{"id":1187,"date":"2025-05-30T11:20:57","date_gmt":"2025-05-30T03:20:57","guid":{"rendered":"https:\/\/eve2333.top\/?p=1187"},"modified":"2025-06-16T13:14:23","modified_gmt":"2025-06-16T05:14:23","slug":"saas%e7%9f%ad%e9%93%be%e6%8e%a5%e7%b3%bb%e7%bb%9f-%e6%96%b0%e6%89%8b%e4%bb%8e%e9%9b%b6%e5%ad%a6%e4%b9%a0-4-%e7%9f%ad%e9%93%be%e6%8e%a5%e5%88%86%e7%bb%84","status":"publish","type":"post","link":"https:\/\/eve2333.top\/?p=1187","title":{"rendered":"SaaS\u77ed\u94fe\u63a5\u7cfb\u7edf-\u65b0\u624b\u4ece\u96f6\u5b66\u4e60 4-\u77ed\u94fe\u63a5\u5206\u7ec4"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">&nbsp;\u77ed\u94fe\u63a5\u6a21\u5757\u529f\u80fd\u5206\u6790<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u77ed\u94fe\u63a5\u8df3\u8f6c\u539f\u7406<\/li>\n\n\n\n<li>\u521b\u5efa\u77ed\u94fe\u63a5\u8868<\/li>\n\n\n\n<li>\u65b0\u589e\u77ed\u94fe\u63a5<\/li>\n\n\n\n<li>Host\u6dfb\u52a0\u57df\u540d\u6620\u5c04\uff08\u77ed\u94fe\u63a5\u4e00\u822c\u90fd\u662f\u6839\u636e\u57df\u540d\u8fdb\u884c\u8df3\u8f6c\uff0c\u672c\u5730\u6d4b\u8bd5\u5f88\u96be\u6709\u90a3\u79cd\u57df\u540d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u672c\u5730host\u7684\u65b9\u5f0f\u6dfb\u52a0\u57df\u540d\u6620\u5c04\u3002\uff09<\/li>\n\n\n\n<li>\u5206\u9875\u67e5\u8be2\u77ed\u94fe\u63a5\u96c6\u5408<\/li>\n\n\n\n<li>\u7f16\u8f91\u77ed\u94fe\u63a5<\/li>\n\n\n\n<li>\u5c06\u77ed\u94fe\u63a5\u5220\u9664\uff08\u56de\u6536\u7ad9\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u6211\u4eec\u5728\u8fd9\u4e2a\u7cfb\u7edf\u4e2d\u9009\u62e9\u521b\u5efa\u4e00\u4e2a\u77ed\u94fe\u63a5\uff0c\u9996\u5148\u8f93\u5165\u4e00\u4e2a\u539f\u59cb\u5730\u5740\uff0c\u4e5f\u5c31\u662f\u6211\u4eec\u8981\u7f29\u77ed\u7684\u957f\u94fe\u63a5\u3002\u8fd9\u65f6\u7cfb\u7edf\u4f1a\u9ed8\u8ba4\u628a\u77ed\u94fe\u63a5\u7684\u6807\u9898\u5e26\u51fa\u6765\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u8fd9\u4e2a\u77ed\u94fe\u63a5\u8bbe\u7f6e\u4e3a\u6c38\u4e45\u6709\u6548\uff0c\u7136\u540e\u70b9\u51fb\u786e\u8ba4\u3002<\/p>\n\n\n\n<p>\u8fd9\u6837\u7cfb\u7edf\u5c31\u4f1a\u6839\u636e\u5b83\u7684\u9ed8\u8ba4\u57df\u540d\u751f\u6210\u4e00\u4e2a\u77ed\u94fe\u63a5\uff0c\u6bd4\u5982 <code>url.cn<\/code>\uff0c\u7136\u540e\u751f\u6210\u4e00\u4e2a\u5bf9\u5e94\u7684\u8def\u5f84\uff0c\u4f8b\u5982 <code>\/abc123<\/code>\u3002\u901a\u8fc7\u8fd9\u4e2a\u77ed\u94fe\u63a5\u8bbf\u95ee\u65f6\uff0c\u7cfb\u7edf\u4f1a\u8df3\u8f6c\u5230\u6700\u521d\u521b\u5efa\u65f6\u586b\u5199\u7684\u90a3\u4e2a\u957f\u94fe\u63a5\uff0c\u8fd9\u5c31\u662f\u77ed\u94fe\u63a5\u6700\u6838\u5fc3\u7684\u539f\u7406\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u6d4b\u8bd5\u4e00\u4e0b\uff0c\u641c\u7d22\u8fd9\u4e2a\u77ed\u94fe\u63a5\uff0cOK\uff0c\u8df3\u8f6c\u6210\u529f\u4e86\u3002<\/p>\n\n\n\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u8fd9\u91cc\u8fd8\u6709\u4e00\u4e9b\u7edf\u8ba1\u4fe1\u606f\uff0c\u6bd4\u5982\u8bbf\u95ee\u6b21\u6570\u3001\u8bbf\u95ee\u4eba\u6570\u3001IP\u6570\u7b49\u76d1\u63a7\u6570\u636e\u3002\u7cfb\u7edf\u8fd8\u63d0\u4f9b\u4e86\u56fe\u8868\u5c55\u793a\uff1a\u53ef\u4ee5\u770b\u5230\u6bcf\u4e2a\u65f6\u95f4\u6bb5\uff08\u5982 24 \u5c0f\u65f6\u5185\u7684\u6bcf\u4e2a\u5c0f\u65f6\uff09\u7684\u8bbf\u95ee\u91cf\u3001\u8bbf\u95ee\u5730\u533a\u3001\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\u548c\u6d4f\u89c8\u5668\u7b49\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e9b\u76d1\u63a7\u529f\u80fd\u975e\u5e38\u4e30\u5bcc\uff0c\u6240\u6709\u7684\u8bbf\u95ee\u6570\u636e\u90fd\u4f1a\u88ab\u8bb0\u5f55\u4e0b\u6765\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u5bf9\u77ed\u94fe\u63a5\u8fdb\u884c\u6392\u5e8f\u7ba1\u7406\u7b49\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u53ef\u80fd\u6709\u4eba\u4f1a\u89c9\u5f97\u8fd9\u4e2a\u529f\u80fd\u770b\u8d77\u6765\u5f88\u7b80\u5355\uff0c\u4f46\u5b9e\u9645\u4e0a\u6070\u6070\u76f8\u53cd\u3002\u8fd9\u7c7b\u77ed\u94fe\u63a5\u7cfb\u7edf\u901a\u5e38\u4f1a\u9762\u4e34<strong>\u6d77\u91cf\u5e76\u53d1\u8bf7\u6c42 <\/strong>\u7684\u6311\u6218\u3002<\/p>\n\n\n\n<p>\u4e3e\u4e2a\u4f8b\u5b50\uff1a\u5982\u679c\u4f60\u628a\u4e00\u4e2a\u77ed\u94fe\u63a5\u53d1\u5e03\u5728\u5fae\u535a\u4e0a\uff0c\u4e00\u65e6\u706b\u8d77\u6765\uff0c\u77ed\u65f6\u95f4\u5185\u53ef\u80fd\u4f1a\u6709\u6210\u5343\u4e0a\u4e07\u7684\u4eba\u540c\u65f6\u70b9\u51fb\uff0c\u8fd9\u65f6\u5019\u6bcf\u79d2\u7684 TPS\uff08Transactions Per Second\uff09\u53ef\u80fd\u4f1a\u8fbe\u5230\u51e0\u5343\u751a\u81f3\u4e0a\u4e07\u3002\u800c\u73b0\u5b9e\u4e2d\uff0c99.999% \u7684\u4e92\u8054\u7f51\u7cfb\u7edf\u90fd\u5f88\u96be\u505a\u5230\u6bcf\u79d2\u5904\u7406\u4e0a\u767e\u6b21\u8bf7\u6c42\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u80fd\u652f\u6491\u8fd9\u79cd\u9ad8\u5e76\u53d1\u8bbf\u95ee\u7684\u7cfb\u7edf\u8bbe\u8ba1\u662f\u975e\u5e38\u6709\u96be\u5ea6\u4e5f\u975e\u5e38\u6709\u4ef7\u503c\u7684\u3002<\/p>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u57fa\u7840\u4e0a\uff0c\u8fd8\u4f1a\u6d89\u53ca\u5f88\u591a\u6280\u672f\u9009\u578b\u7684\u95ee\u9898\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6bd4\u5982\u4f60\u662f\u628a\u77ed\u94fe\u63a5\u7684\u70ed\u70b9\u6570\u636e\u653e\u5230 <strong>Redis\u00a0<\/strong>\u4e2d\uff0c\u8fd8\u662f\u5b58\u50a8\u5728 <strong>MySQL\u00a0<\/strong>\u91cc\uff1f<\/li>\n\n\n\n<li>\u5982\u679c\u653e\u5728 MySQL \u4e2d\uff0c\u5f53\u8bbf\u95ee\u91cf\u6fc0\u589e\u65f6\uff0c\u4f1a\u4e0d\u4f1a\u76f4\u63a5\u628a\u6570\u636e\u5e93\u538b\u57ae\uff1f<\/li>\n\n\n\n<li>\u5982\u679c\u653e\u5728 Redis \u4e2d\uff0c\u53c8\u5982\u4f55\u5e94\u5bf9 Redis \u5b95\u673a\u7684\u60c5\u51b5\uff1f\u600e\u4e48\u4fdd\u8bc1\u5373\u4f7f Redis \u51fa\u73b0\u6545\u969c\uff0c\u6570\u636e\u4f9d\u7136\u4e0d\u4f1a\u4e22\u5931\uff1f\u6216\u8005\u8bf4\u81f3\u5c11\u80fd\u5c3d\u91cf\u4fdd\u8bc1\u6570\u636e\u5b8c\u6574\u6027\uff1f<\/li>\n<\/ul>\n\n\n\n<p>\u5728\u521b\u5efa\u77ed\u94fe\u63a5\u65f6\uff0c\u5982\u679c\u7528\u6237\u6076\u610f\u6784\u9020\u5927\u91cf\u4e0d\u5b58\u5728\u7684\u77ed\u94fe\u63a5\u8bf7\u6c42\uff0c\u5c31\u4f1a\u9020\u6210<strong>\u7f13\u5b58\u7a7f\u900f <\/strong>\u3002\u800c\u5728\u66f4\u65b0\u6216\u5220\u9664\u77ed\u94fe\u63a5\u65f6\uff0c\u5982\u679c\u5927\u91cf\u8bf7\u6c42\u540c\u65f6\u8bbf\u95ee\u540c\u4e00\u4e2a\u5931\u6548\u7684\u7f13\u5b58\u952e\uff0c\u5c31\u53ef\u80fd\u5bfc\u81f4<strong>\u7f13\u5b58\u51fb\u7a7f <\/strong>\u3002<\/p>\n\n\n\n<p>\u4e3a\u4e86\u9632\u6b62\u77ed\u94fe\u63a5\u91cd\u590d\u521b\u5efa\uff0c\u96be\u9053\u6bcf\u6b21\u90fd\u8981\u53bb\u67e5\u4e00\u6b21\u6570\u636e\u5e93\u5417\uff1f\u8fd9\u663e\u7136\u4e0d\u53ef\u884c\u3002\u4e8e\u662f\u6211\u4eec\u5c31\u5f15\u5165\u4e86**\u5e03\u9686\u8fc7\u6ee4\u5668\u6765\u5feb\u901f\u5224\u65ad\u67d0\u4e2a\u77ed\u94fe\u63a5\u662f\u5426\u5df2\u7ecf\u5b58\u5728\u3002&nbsp;<\/p>\n\n\n\n<p>\u9664\u4e86\u7f13\u5b58\u4e4b\u5916\uff0c\u8fd8\u6709\u5927\u91cf\u7684\u7edf\u8ba1\u6570\u636e\u9700\u8981\u5904\u7406\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5730\u533a\u8bbf\u95ee\u5206\u5e03<\/li>\n\n\n\n<li>\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\u548c\u6d4f\u89c8\u5668\u7c7b\u578b<\/li>\n\n\n\n<li>\u8fd9\u4e9b\u4fe1\u606f\u662f\u5982\u4f55\u91c7\u96c6\u548c\u5206\u6790\u7684\uff1f<\/li>\n<\/ul>\n\n\n\n<p>\u6b64\u5916\uff0c\u8fd8\u6709\u4e24\u4e2a\u5173\u952e\u7684\u6570\u636e\u5b58\u50a8\u95ee\u9898\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6d77\u91cf\u7684\u77ed\u94fe\u63a5\u4e0e\u539f\u59cb\u94fe\u63a5\u7684\u6620\u5c04\u5173\u7cfb\u5982\u4f55\u9ad8\u6548\u5b58\u50a8\uff1f<\/li>\n\n\n\n<li>\u5982\u4f55\u5b9e\u73b0\u77ed\u94fe\u63a5\u7684\u53d8\u66f4\u64cd\u4f5c\uff08\u5982\u4fee\u6539\u3001\u5220\u9664\uff09\uff1f\u53d8\u66f4\u65f6\u5982\u4f55\u5904\u7406\u7f13\u5b58\u4e0e\u6570\u636e\u5e93\u4e4b\u95f4\u7684\u4e00\u81f4\u6027\uff1f<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u521b\u5efa\u77ed\u94fe\u63a5\u5206\u7ec4\u6570\u636e\u5e93\u8868<\/h2>\n\n\n\n<p id=\"ua24d2bf7\">\u77ed\u94fe\u63a5\u5206\u7ec4\u5c31\u50cf\u662f\u8c37\u6b4c\u6d4f\u89c8\u5668\u7684\u6536\u85cf\u680f\uff0c\u6807\u8bc6\u7740\u4e0d\u540c\u7f51\u7ad9\u4e0d\u540c\u7684\u8bed\u4e49\u3002\u5982\u679c\u5927\u5bb6\u4f7f\u7528\u77ed\u94fe\u63a5\u7cfb\u7edf\uff0c\u521b\u5efa\u4e0d\u540c\u8bed\u4e49\u7684\u77ed\u94fe\u63a5\u9700\u8981\u5728\u4e00\u4e2a\u5206\u9875\u91cc\u67e5\u8be2\uff0c\u8fd9\u662f\u4e00\u4ef6\u591a\u4e48\u4ee4\u4eba\u6293\u72c2\u7684\u4e8b\u3002<\/p>\n\n\n\n<p id=\"u236643f6\">\u6309\u7167\u4e0d\u540c\u7684\u601d\u8def\u7684\u62c6\u5206\u5f00\uff0c\u8fd9\u6837\u67e5\u8be2\u7684\u65f6\u5019\u5c31\u4f1a\u65b9\u4fbf\u5f88\u591a\u3002\u4e5f\u65b9\u4fbf\u7edf\u8ba1\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u589e\u52a0\u77ed\u94fe\u63a5\u5206\u7ec4<\/li>\n\n\n\n<li>\u4fee\u6539\u77ed\u94fe\u63a5\u5206\u7ec4\uff08\u53ea\u80fd\u4fee\u6539\u540d\u79f0\uff09<\/li>\n\n\n\n<li>\u67e5\u8be2\u77ed\u94fe\u63a5\u5206\u7ec4\u96c6\u5408\uff08\u77ed\u94fe\u63a5\u5206\u7ec4\u6700\u591a10\u4e2a\uff09<\/li>\n\n\n\n<li>\u5220\u9664\u77ed\u94fe\u63a5\u5206\u7ec4<\/li>\n\n\n\n<li>\u77ed\u94fe\u63a5\u5206\u7ec4\u6392\u5e8f<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE TABLE `t_group` (\n  `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT 'ID',\n  `gid` varchar(32) DEFAULT NULL COMMENT '\u5206\u7ec4\u6807\u8bc6',\n  `name` varchar(64) DEFAULT NULL COMMENT '\u5206\u7ec4\u540d\u79f0',\n  `username` varchar(256) DEFAULT NULL COMMENT '\u521b\u5efa\u5206\u7ec4\u7528\u6237\u540d',\n  `sort_order` int(3) DEFAULT NULL COMMENT '\u5206\u7ec4\u6392\u5e8f',\n  `create_time` datetime DEFAULT NULL COMMENT '\u521b\u5efa\u65f6\u95f4',\n  `update_time` datetime DEFAULT NULL COMMENT '\u4fee\u6539\u65f6\u95f4',\n  `del_flag` tinyint(1) DEFAULT NULL COMMENT '\u5220\u9664\u6807\u8bc6 0\uff1a\u672a\u5220\u9664 1\uff1a\u5df2\u5220\u9664',\n  PRIMARY KEY (`id`),\n  UNIQUE KEY `idx_unique_username_gid` (`gid`,`username`) USING BTREE\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;;<\/code><\/pre>\n\n\n\n<p>\u8ddf\u7528\u6237\u8fd9\u79cd\u80af\u5b9a\u662f\u6bd4\u4e0d\u4e86\u7684\uff0c\u6240\u4ee5\u8bf4\u6211\u4eec\u8fd9\u8fb9\u5c31\u76f4\u63a5\u4f7f\u7528\u4ec0\u4e48\uff1f\u76f4\u63a5\u4f7f\u7528\u4e00\u4e2a\u5206\u8868\u7ed3\u6784\uff0c\u76f4\u63a5\u63d0\u4f9b <code>group<\/code> \u8868\u3002<br>\u7136\u540e ID \u6211\u4eec\u5148\u7528\u7b2c\u4e00\u4e2a <code>INT<\/code> \u7c7b\u578b\uff0c\u5c3d\u91cf\u56e0\u4e3a\u5206\u7ec4\u8868\u6211\u4eec\u5047\u8bbe\u540e\u7eed\u53ef\u80fd\u4e0d\u4f1a\u6709\u7279\u522b\u5927\u7684\u6570\u636e\u91cf\uff0c\u4f46\u6211\u4eec\u4e5f\u4e0d\u80fd\u6392\u9664\u8fd9\u79cd\u60c5\u51b5\u3002<br>\u5f53\u4f60\u5bf9\u4e1a\u52a1\u589e\u957f\u66f2\u7ebf\u672a\u77e5\u65f6\uff0c\u4e00\u5207\u90fd\u8981\u6309\u7167\u5206\u8868\u7684\u6d41\u7a0b\u53bb\u505a\u3002\u4f60\u53ef\u4ee5\u5148\u4e0d\u5206\uff0c\u4f46\u540e\u7eed\u5206\u8868\u65f6\u4e0d\u8981\u6709\u592a\u591a\u963b\u788d\u3002<\/p>\n\n\n\n<p>\u4e3e\u4e2a\u5b9e\u9645\u7684\u4f8b\u5b50\uff1a\u5982\u679c\u6211\u4eec\u7528\u4e86 <code>INT(11)<\/code>\uff0c\u5c06\u6765\u505a\u5206\u5e03\u5f0f\u7ec4\u4ef6\u65f6\u9700\u8981\u4fee\u6539\uff0c\u8fd8\u8981\u6e05\u6d17\u4e4b\u524d\u7684\u6570\u636e\uff0c\u8fd9\u975e\u5e38\u4e0d\u53cb\u597d\u3002<br>\u4e0d\u5982\u6211\u4eec\u76f4\u63a5\u4f7f\u7528 <strong>Snowflake\uff08\u6216\u7c7b\u4f3c\u5206\u5e03\u5f0fID\uff09 <\/strong>\uff0c\u76f4\u63a5\u7528\u5206\u5e03\u5f0fID\u5c31\u53ef\u4ee5\u4e86\u3002\u6211\u4eec\u6253\u4e0a\u6807\u8bc6\uff0c\u9996\u5148\u60f3\u4e00\u4e0b\u77ed\u94fe\u63a5\u5206\u7ec4\u9700\u8981\u54ea\u4e9b\u5143\u7d20\uff1f<\/p>\n\n\n\n<p>\u9996\u5148\u8981\u6709 <code>gid<\/code>\uff08\u5206\u7ec4ID\uff09\uff0c\u7136\u540e <code>hr<\/code>\uff08\u53ef\u80fd\u662f\u5b57\u6bb5\u540d\uff0c\u539f\u8bcd\u9700\u786e\u8ba4\uff09\uff0c\u8bbe\u6210 <code>VARCHAR(32)<\/code> \u5176\u5b9e\u5c31\u591f\u4e86\u3002<br><code>dad<\/code> \u662f\u4ec0\u4e48\u6807\u8bc6\uff1f\u77ed\u94fe\u63a5\u5206\u7ec4\u6807\u8bc6\uff0c\u76f4\u63a5\u53eb\u5206\u7ec4\u6807\u8bc6\u3002\u4ec0\u4e48\u610f\u601d\uff1f\u76f8\u5f53\u4e8e\u5206\u7ec4ID\u53ef\u80fd\u4f1a\u5728\u4e1a\u52a1\u4e2d\u4f7f\u7528\uff0c\u6211\u4eec\u5c3d\u91cf\u4e0d\u8981\u7528\u7eaf\u6570\u5b57ID\uff08<code>ID<\/code> \u5b57\u6bb5\u4e0d\u5177\u5907\u8bed\u4e49\u6807\u8bc6\u6027\uff09\uff0c\u53ef\u4ee5\u7528\u4e00\u4e2a\u8f83\u77ed\u7684\u5b57\u7b26\u4e32\u6807\u8bc6\uff0c\u6bd4\u59826\u4f4d\u968f\u673a\u7801\uff0c\u8fd9\u6837\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u66f4\u597d\u5730\u533a\u5206\u3002<br>\u6bd4\u5982\u5728\u4e1a\u52a1\u6c9f\u901a\u65f6\uff0c\u53ef\u4ee5\u660e\u786e\u8bf4 \"gid \u4e0b\u7684\u54ea\u4e2a\u77ed\u94fe\u63a5\" \u6216 \"\u54ea\u4e2a\u5206\u7ec4\"\uff0c\u8d77\u5230\u7c7b\u4f3c\u7528\u6237\u540d\u7684\u6807\u8bc6\u4f5c\u7528\u3002<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\u662f\u77ed\u94fe\u63a5\u7684 <code>name<\/code>\uff0c\u8bbe\u7f6e\u4e3a <code>VARCHAR(64)<\/code>\uff0c\u57fa\u672c\u4e0d\u53ef\u80fd\u51fa\u73b0\u8fc7\u957f\u7684\u5206\u7ec4\u540d\u79f0\u3002<br>\u7136\u540e\u8fd8\u6709\u4e00\u4e2a\u5b57\u6bb5\uff0c\u5e94\u8be5\u662f\u521b\u5efa\u4eba\uff08\u7528\u6237\uff09\u3002\u662f\u54ea\u4e2a\u7528\u6237\u521b\u5efa\u7684\uff1f<br>\u7528\u6237\u7684\u7528\u6237\u540d\u5b57\u6bb5\u6211\u4eec\u76f4\u63a5\u53eb <code>username<\/code> \u597d\u4e86\uff0c\u53d6\u503c\u8bbe\u4e3a <code>VARCHAR(256)<\/code>\u3002<br>\u4e3a\u4ec0\u4e48\u8981\u52a0 <code>username<\/code>\uff1f\u662f\u56e0\u4e3a\u8fd9\u4e9b\u5206\u7ec4\u9700\u8981\u4fdd\u6301\u552f\u4e00\u6027\uff0c\u5373\u540c\u4e00\u4e2a\u7528\u6237\u4e0b\u4e0d\u80fd\u6709\u91cd\u590d\u7684\u5206\u7ec4\u540d\u79f0\uff0c\u4f46\u540c\u4e00\u4e2a\u5206\u7ec4\u540d\u79f0\u53ef\u4ee5\u5728\u4e0d\u540c\u7528\u6237\u4e0b\u5b58\u5728\u3002<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\u662f\u521b\u5efa\u65f6\u95f4\uff08<code>create_time<\/code>\uff09\u548c\u521b\u5efa\u7528\u6237\u540d\uff08<code>creator_username<\/code>\uff09\u3002<br>\u4e3a\u4e86\u4fdd\u8bc1\u552f\u4e00\u6027\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u552f\u4e00\u7d22\u5f15\uff1a<br><code>UNIQUE INDEX idx_name_user (name, username)<\/code>\uff0c\u4f7f\u7528 <code>B+Tree<\/code> \u7c7b\u578b\u3002<\/p>\n\n\n\n<p>\u8fd9\u91cc\u9700\u8981\u6ce8\u610f\u6700\u5de6\u5339\u914d\u539f\u5219\uff1a\u5f88\u591a\u60c5\u51b5\u4e0b\u662f\u76f4\u63a5\u901a\u8fc7 <code>gid<\/code> \u67e5\u8be2\uff0c\u800c <code>name<\/code> \u53ef\u80fd\u4e0d\u4f1a\u5355\u72ec\u4f7f\u7528\u3002<br>\u56e0\u6b64\u7d22\u5f15\u5b57\u6bb5\u987a\u5e8f\u5e94\u4f18\u5148\u653e\u5e38\u7528\u67e5\u8be2\u5b57\u6bb5\uff08\u5982 <code>gid<\/code>\uff09\uff0c\u518d\u653e\u5176\u4ed6\u5b57\u6bb5\uff08\u5982 <code>username<\/code>\uff09\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u5148\u9020\u4e00\u6761\u6d4b\u8bd5\u6570\u636e\uff1a<br>\u7528 <code>RANDOM<\/code> \u751f\u6210\u968f\u673a\u4e2d\u82f1\u6587\u6216\u6570\u5b57\u7ec4\u5408\u7684\u6807\u8bc6\u7801\uff08\u5982 <code>123456<\/code>\uff09\uff0c\u77ed\u94fe\u63a5\u5b9e\u4f8b\u540d\u4e3a <code>\u77ed\u94fe\u63a5\u5b9e\u4f8b<\/code>\uff0c\u7528\u6237\u540d\u4e3a <code>\u9a6c\u4e01<\/code>\uff0c\u5173\u95ed\u65f6\u95f4 <code>close_time<\/code> \u7b49\u3002<\/p>\n\n\n\n<p>\u6700\u540e\u9a8c\u8bc1\u552f\u4e00\u7d22\u5f15\u662f\u5426\u751f\u6548\uff1a\u5982\u679c\u5c1d\u8bd5\u63d2\u5165\u91cd\u590d\u7684 <code>name + username<\/code> \u7ec4\u5408\uff0c\u4f1a\u89e6\u53d1\u7d22\u5f15\u51b2\u7a81\uff0c\u8bc1\u660e\u7ea6\u675f\u5df2\u751f\u6548\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u65b0\u589e\u77ed\u94fe\u63a5\u5206\u7ec4\u529f\u80fd<\/h2>\n\n\n\n<p>\u521b\u5efaGroupDO<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>package com.nageoffer.shortlink.admin.dao.entiry;\n\nimport com.baomidou.mybatisplus.annotation.FieldFill;\nimport com.baomidou.mybatisplus.annotation.TableField;\nimport com.baomidou.mybatisplus.annotation.TableName;\n\nimport lombok.AllArgsConstructor;\nimport lombok.Builder;\nimport lombok.Data;\nimport lombok.NoArgsConstructor;\n\nimport java.util.Date;\n\n\/**\n * \u77ed\u94fe\u63a5\u5206\u7ec4\u5b9e\u4f53\n *\/\n@Data\n@TableName(\"t_group\")\n@Builder\n@NoArgsConstructor\n@AllArgsConstructor\npublic class GroupDO{\n\n    \/**\n     * id\n     *\/\n    private Long id;\n\n    \/**\n     * \u5206\u7ec4\u6807\u8bc6\n     *\/\n    private String gid;\n\n    \/**\n     * \u5206\u7ec4\u540d\u79f0\n     *\/\n    private String name;\n\n    \/**\n     * \u521b\u5efa\u5206\u7ec4\u7528\u6237\u540d\n     *\/\n    private String username;\n\n   \n    \/**\n     * \u521b\u5efa\u65f6\u95f4\n     *\/\n    @TableField(fill = FieldFill.INSERT)\n    private Date createTime;\n    \/**\n     * \u4fee\u6539\u65f6\u95f4\n     *\/\n    @TableField(fill = FieldFill.INSERT_UPDATE)\n    private Date updateTime;\n    \/**\n     * \u5220\u9664\u6807\u8bc60\uff1a\u672a\u5220\u96641\uff1a\u5df2\u5220\u9664\n     *\/\n    @TableField(fill = FieldFill.INSERT)\n    private Integer delFlag;\n}\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>package com.nageoffer.shortlink.admin.service;\nimport com.baomidou.mybatisplus.extension.service.IService;\nimport com.nageoffer.shortlink.admin.dao.entiry.GroupDO;\n\n\nimport java.util.List;\n\n\/**\n * \u77ed\u94fe\u63a5\u5206\u7ec4\u63a5\u53e3\u5c42\n *\/\npublic interface GroupService extends IService&lt;GroupDO&gt; {\n    \/**\n     * \u65b0\u589e\u77ed\u94fe\u63a5\u5206\u7ec4\n     * @param groupName \u77ed\u94fe\u63a5\u5206\u7ec4\u540d\n     *\/\n    void saveGroup(String groupName);\n}<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>package com.nageoffer.shortlink.admin.dao.mapper;\n\nimport com.baomidou.mybatisplus.core.mapper.BaseMapper;\nimport com.baomidou.mybatisplus.extension.service.IService;\nimport com.nageoffer.shortlink.admin.dao.entiry.GroupDO;\n\n\n\/**\n * \u77ed\u94fe\u63a5\u5206\u7ec4\u6301\u4e45\u5c42\n *\/\npublic interface GroupMapper extends BaseMapper&lt;GroupDO&gt; {\n}\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>package com.nageoffer.shortlink.admin.controller;\n\nimport com.nageoffer.shortlink.admin.service.GroupService;\nimport lombok.RequiredArgsConstructor;\nimport org.springframework.web.bind.annotation.RestController;\n\n\/**\n * \u77ed\u94fe\u63a5\u5206\u7ec4\u63a7\u5236\u5c42\n *\/\n@RestController\n@RequiredArgsConstructor\npublic class GroupController {\n    private final GroupService groupService;\n}\n<\/code><\/pre>\n\n\n\n<p>Java\u5b9e\u73b0\u4e00\u4e2a\u968f\u673a\u51fd\u6570\uff0c\u6700\u7ec8\u8f93\u51fa\u7684\u662f\u5305\u542b\u6570\u5b57\u548c\u82f1\u6587\u5b57\u6bcd\u76846\u4f4d\u968f\u673a\u6570\uff0c\u7ed9\u6211\u4e00\u4e2a\u5de5\u5177\u7c7b\uff0c\u5c06utils\u6539\u540dtoolkits\uff0c\u65b0\u5efa\u7c7b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">package com.nageoffer.shortlink.admin.toolkit;\n\nimport java.security.SecureRandom;\n\/**\n * \u5206\u7ec4ID\u968f\u673a\u751f\u6210\u5668\n *\/\npublic final class RandomGenerator {\n\n    private static final String CHARACTERS = \"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\";\n    private static final SecureRandom RANDOM = new SecureRandom();\n\n    \/**\n     * \u751f\u6210\u968f\u673a\u5206\u7ec4ID\n     *\n     * @return \u5206\u7ec4ID\n     *\/\n    public static String generateRandom() {\n        return generateRandom(6);\n    }\n\n    \/**\n     * \u751f\u6210\u968f\u673a\u5206\u7ec4ID\n     *\n     * @param length \u751f\u6210\u591a\u5c11\u4f4d\n     * @return \u5206\u7ec4ID\n     *\/\n    public static String generateRandom(int length) {\n        StringBuilder sb = new StringBuilder(length);\n        for (int i = 0; i &lt; length; i++) {\n            int randomIndex = RANDOM.nextInt(CHARACTERS.length());\n            sb.append(CHARACTERS.charAt(randomIndex));\n        }\n        return sb.toString();\n    }\n}<\/pre>\n\n\n\n<p>\u5728dto\u7684req\u4e2d\u65b0\u5efaShortLinkGroupSaveReqDTO<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">package com.nageoffer.shortlink.admin.dto.req;\n\nimport lombok.Data;\n\n\/**\n * \u77ed\u94fe\u63a5\u5206\u7ec4\u521b\u5efa\u53c2\u6570\n *\/\n@Data\npublic class ShortLinkGroupSaveReqDTO {\n    private String name;\n}\n<\/pre>\n\n\n\n<p>&nbsp;\u76f8\u5e94\u7684GroupController\uff0cGroupService\u548cGroupServiceImpl<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">package com.nageoffer.shortlink.admin.controller;\n\nimport com.nageoffer.shortlink.admin.common.convention.result.Results;\nimport com.nageoffer.shortlink.admin.dto.req.ShortLinkGroupSaveReqDTO;\nimport com.nageoffer.shortlink.admin.service.GroupService;\nimport lombok.RequiredArgsConstructor;\nimport com.nageoffer.shortlink.admin.common.convention.result.Result;\nimport org.springframework.web.bind.annotation.PostMapping;\nimport org.springframework.web.bind.annotation.RequestBody;\nimport org.springframework.web.bind.annotation.RequestParam;\nimport org.springframework.web.bind.annotation.RestController;\n\n\/**\n * \u77ed\u94fe\u63a5\u5206\u7ec4\u63a7\u5236\u5c42\n *\/\n@RestController\n@RequiredArgsConstructor\npublic class GroupController {\n    private final GroupService groupService;\n\n    @PostMapping(\"\/api\/short-link\/v1\/group\")\n    public Result&lt;Void&gt;save(@RequestBody ShortLinkGroupSaveReqDTO requestParam){\n        groupService.saveGroup(requestParam.getName());\n        return Results.success();\n    }\n\n}\n\n<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">package com.nageoffer.shortlink.admin.service;\nimport com.baomidou.mybatisplus.extension.service.IService;\nimport com.nageoffer.shortlink.admin.dao.entiry.GroupDO;\n\n\nimport java.util.List;\n\n\/**\n * \u77ed\u94fe\u63a5\u5206\u7ec4\u63a5\u53e3\u5c42\n *\/\npublic interface GroupService extends IService&lt;GroupDO&gt; {\n    \/**\n     * \u65b0\u589e\u77ed\u94fe\u63a5\u5206\u7ec4\n     * @param groupName \u77ed\u94fe\u63a5\u5206\u7ec4\u540d\n     *\/\n    void saveGroup(String groupName);\n}\n<\/pre>\n\n\n\n<p>&nbsp;\u5728\u6bcf\u4e2aDO\u91cc\u9762\u90fdmp\u7684\u81ea\u52a8\u586b\u5145\u5f88\u9ebb\u70e6\uff0c\u5728common\u5305\u4e0b\u5efa\u7acbdatabase\u5305\uff0c\u65b0\u5efaBaseDO\u6587\u4ef6<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>package com.nageoffer.shortlink.admin.common.database;\n\nimport com.baomidou.mybatisplus.annotation.FieldFill;\nimport com.baomidou.mybatisplus.annotation.TableField;\nimport lombok.Data;\n\nimport java.util.Date;\n\n@Data\npublic class BaseDO {\n        \/**\n         * \u521b\u5efa\u65f6\u95f4\n         *\/\n        @TableField(fill = FieldFill.INSERT)\n        private Date createTime;\n        \/**\n         * \u4fee\u6539\u65f6\u95f4\n         *\/\n        @TableField(fill = FieldFill.INSERT_UPDATE)\n        private Date updateTime;\n        \/**\n         * \u5220\u9664\u6807\u8bc60\uff1a\u672a\u5220\u96641\uff1a\u5df2\u5220\u9664\n         *\/\n        @TableField(fill = FieldFill.INSERT)\n        private Integer delFlag;\n}\n<\/code><\/pre>\n\n\n\n<p>\u5c06GroupDO\u548cUserDO\u90fdextends BaseDO&nbsp;<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">public class GroupDO extends BaseDO \n..............................................................\npublic class UserDO extends BaseDO<\/pre>\n\n\n\n<p>\u00a0\u662f\u7684\u6211\u4eec\u6210\u529f\u751f\u6210\u4e86<img loading=\"lazy\" decoding=\"async\" height=\"71\" width=\"1041\" src=\"https:\/\/i-blog.csdnimg.cn\/direct\/265f34099d7d4cd09fbbdaea739b8f54.png\" alt=\"\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u67e5\u8be2\u77ed\u94fe\u63a5\u5206\u7ec4\u529f\u80fd<\/h2>\n\n\n\n<p>\u77ed\u94fe\u63a5\u5206\u7ec4\u4e2d\u5e94\u8be5\u652f\u6301\u81ea\u5b9a\u4e49&nbsp;sort_order\uff0c\u8fd9\u4e2a\u5728\u521b\u5efa\u6570\u636e\u5e93\u5c31\u5df2\u7ecf\u5b9a\u4e49\u597d\u4e86\u3002\u67091\u548c0\u4e24\u4e2a\u6570\u636e\uff0c1\u5728\u524d\u9762\u3002\u4f46\u662f\u5462\u5c31\u662f\u5f88\u591a\u60c5\u51b5\u4e0b\u6211\u4eec\u521d\u59cb\u5316\u7684\u65f6\u5019\u628a\u8fd9\u4e2a&nbsp;sort_order\u7ed9\u6dfb\u52a0\u8fdb\u6765\u9ed8\u8ba4\u662f0\uff0c<br>\u56e0\u6b64\u8981\u5728\u540e\u9762\u52a0\u4e00\u4e2aupdate_time\uff0c\u7528\u4e24\u4e2a\u5b57\u6bb5\u505a\u6392\u5e8f\u3002\u76f8\u5f53\u4e8e\u5982\u679c\u8bf4\u4f60\u7684&nbsp;sort_order\u662f\u76f8\u540c\u7684\uff0c\u90a3\u4e48\u518d\u7528updatetime\u53bb\u505a\u4e00\u5c42\u6392\u5e8f<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/**\n * \u77ed\u94fe\u63a5\u5206\u7ec4\u5b9e\u4f53\n *\/\n@Data\n@TableName(\"t_group\")\n@Builder\n@NoArgsConstructor\n@AllArgsConstructor\npublic class GroupDO extends BaseDO {\n\n    \/**\n     * id\n     *\/\n    private Long id;\n\n    \/**\n     * \u5206\u7ec4\u6807\u8bc6\n     *\/\n    private String gid;\n\n    \/**\n     * \u5206\u7ec4\u540d\u79f0\n     *\/\n    private String name;\n\n    \/**\n     * \u521b\u5efa\u5206\u7ec4\u7528\u6237\u540d\n     *\/\n    private String username;\n\n    \/**\n     * \u5206\u7ec4\u6392\u5e8f\n     *\/\n    private Integer sortOrder;\n}\n<\/code><\/pre>\n\n\n\n<p>impl\u4e2d\u8bbe\u7f6e\u521d\u59cb\u5316<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">@Override\npublic void saveGroup(String groupName) {\n    String gid;\n    do {\n        gid = RandomGenerator.generateRandom();\n    } while (!hasGid(gid));\n    GroupDO groupDO = GroupDO.builder()\n            .gid(gid)\n            .sortOrder(0)\/\/\u9ed8\u8ba4\u662f0\n            .name(groupName)\n            .build();\n    baseMapper.insert(groupDO);\n}\n<\/pre>\n\n\n\n<p>&nbsp;\u5728resq\u4e0b\u65b0\u5efaShortLinkGroupRespDTO<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">package com.nageoffer.shortlink.admin.dto.resq;\n\nimport lombok.Data;\n\n\/**\n * \u77ed\u94fe\u63a5\u5206\u7ec4\u8fd4\u56de\u5b9e\u4f53\u5bf9\u8c61\n *\/\n@Data\npublic class ShortLinkGroupRespDTO {\n    \/**\n     * \u5206\u7ec4\u6807\u8bc6\n     *\/\n    private String gid;\n    \/**\n     * \u5206\u7ec4\u540d\u79f0\n     *\/\n    private String name;\n    \/**\n     * \u521b\u5efa\u5206\u7ec4\u7528\u6237\u540d\n     *\/\n    private String username;\n    \/**\n     * \u5206\u7ec4\u6392\u5e8f\n     *\/\n    private Integer sortOrder;\n}\n<\/pre>\n\n\n\n<p>&nbsp;\u4e66\u5199Service\u548ccontroller<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">@GetMapping(\"\/api\/short-link\/v1\/group\")\npublic Result&lt;List&lt;ShortLinkGroupRespDTO&gt;&gt;listGroup(){\n    return Results.success(groupService.listGroup());\n}<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">\/**\n * \u67e5\u8be2\u7528\u6237\u77ed\u94fe\u63a5\u5206\u7ec4\u96c6\u5408\n * @return \u7528\u6237\u77ed\u94fe\u63a5\u5206\u7ec4\u96c6\u5408\n *\/\nList&lt;ShortLinkGroupRespDTO&gt; listGroup();<\/pre>\n\n\n\n<p>&nbsp;\u6211\u4eec\u8981\u5e72\u4ec0\u4e48\uff1f\u8981\u4ece\u6211\u4eec\u5f53\u524d\u7684\u8bf7\u6c42\u91cc\u9762\u83b7\u53d6\u7528\u6237\u540d\u5bf9\u5427\uff1f\u56e0\u4e3a\u8fd9\u91cc\u6211\u4eec\u73b0\u5728\u7528\u6237\u540d\u8fd9\u91cc\u8fd8\u6ca1\u505a\uff0c\u6240\u4ee5\u8bf4\u76f4\u63a5\u5c31\u8fd4\u56de\u4e00\u4e2anull\u5c31\u53ef\u4ee5\u4e86\uff0c\u6211\u4eec\u73b0\u5728\u76f8\u5f53\u4e8e\u65b0\u589e\u63d2\u5165\u7684\u65f6\u5019\u662fnull\uff0c\u7136\u540e\u4f60\u7528now\u53bb\u83b7\u53d6\u5b83\u4e00\u6837\u7684\u83b7\u53d6\u5f97\u51fa\u6765\u597d\u5427\uff1f\u7136\u540e\u6211\u4eec\u8fd9\u91cc\u7528\u4e00\u4e2a\u7ef4\u514b\u65af PPS website\u7b2c\u4e8cnumber query\u3002\u7136\u540e\u7528\u4e00\u4e2agirl\u7ed9\u4ed6\u4e22\u3002\u7b2c\u4e8c\u8fd9\u91cc\u8fd8\u4e0d\u884c\uff0c\u70b9Q\u76d6\u8d77\u6765\u3002 Get your name\uff0c\u7136\u540e\u5148\u8bbe\u4e2a\u7136\u540e\u8fd9\u91cc\u7684\u8bdd\u6211\u4eec\u8981\u8bbe\u7f6eorder by ask\uff0c\u7136\u540e\u8fd9\u91cc\u7684\u8bdd\u7b2c\u4e00\u4e2a\u5c31\u662f\u76d6\u7279\u5e94\u8be5\u662fsalt sort of\uff0c\u7136\u540e\u8fd8\u8981\u6709\u4e00\u5c42\u53eb\u76d6 update time\u3002\u7136\u540e\u8fd9\u91cc\u4e0d\u8981\u5fd8\u4e86\u4e00\u4e2a\u4e1c\u897f\uff0c\u90a3\u5c31\u662f\u6211\u4eec\u7684EQ\u8fd9\u91cc\u8981\u7ed9\u5b83\u52a0\u4e0a\u4e00\u4e2a\u7684delflag\u90fd\u9700\u8981\u662f\u751f\u6548\u4e2d\u7684\uff0c\u7136\u540e\u505a\u4e00\u4e2a\u67e5\u8be2\uff0c\u7136\u540ebaseMapper.selectList(queryWrapper) \u3002List&lt;GroupDO&gt;groupDOList\u7136\u540e\u7ed9\u4ed6\u8fd4\u56deBeanUtil\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>    @Override\n    public List&lt;ShortLinkGroupRespDTO&gt; listGroup(){\n    \/\/ TODO \u83b7\u53d6\u7528\u6237\u540d\n        LambdaQueryWrapper&lt;GroupDO&gt; queryWrapper = Wrappers.lambdaQuery(GroupDO.class)\n                .eq(GroupDO::getDelFlag, 0)\n                .eq(GroupDO::getUsername,null)\n                .orderByDesc(GroupDO::getSortOrder, GroupDO::getUpdateTime);\n        List&lt;GroupDO&gt; groupDOList = baseMapper.selectList(queryWrapper);\n        return BeanUtil.copyToList(groupDOList, ShortLinkGroupRespDTO.class);\n    }<\/code><\/pre>\n\n\n\n<p>apifox\u6ca1\u6709\u5982\u9884\u6599\u6240\u793a\u8fd4\u56de\u6570\u636e\u5e93\u91cc\u7684\u4f60\u521a\u521a\u6ce8\u518c\u7684\u8bb0\u5f55&nbsp;\uff0c\u56e0\u6b64\u627ebug<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"179\" width=\"1080\" src=\"https:\/\/i-blog.csdnimg.cn\/direct\/b562907db6d94132a13346179bbbf9fa.png\" alt=\"\">\u6392\u5e8f\u987a\u5e8f\u8fd4\u56de \u5728\u6570\u636e\u5e93\u5148\u586b\u5199\u6570\uff0c\u8fd9\u65f6\u5982\u671f\u8fd4\u56de\uff0c\u5e76\u4e14\u53ef\u4ee5<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"507\" width=\"682\" src=\"https:\/\/i-blog.csdnimg.cn\/direct\/1f86851ac0c546e6a349eebdd2d2c3d5.png\" alt=\"\"><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>1.\u6570\u636e\u5e93\u4e2d\u7684null\u4e0d\u7b49\u4e8e\u4efb\u4f55\u503c\uff0c\u5305\u62ec\u81ea\u8eab\uff0ceq\u4f20null\u5e95\u5c42\u4f1a\u628asql\u5199\u6210where username = null\uff0c\u6240\u4ee5\u83b7\u53d6\u4e0d\u5230\u503c\uff0c\u53ea\u80fd\u7528 where username is null\u3002\u4ee3\u7801\u91cc\u9762\u7684\u8bdd\u5199\u6210wrapper.isNull(username)\u5c31\u53ef\u4ee5\u83b7\u53d6\u5230\u4e86&nbsp;<\/p>\n\n\n\n<p>2.\u8fd9\u6837\u5c31\u6ca1\u8b66\u544a\u4e86 .orderByDesc(List.of(GroupDO::getSortOrder, GroupDO::getUpdateTime));<strong>\u4e8b\u5b9e\u4e0a\u5347\u7ea7 mybatis-plus \u5c31\u597d\u4e86\uff0c\u4f60\u6539\u4e0bpom\u7248\u672c\uff0c\u4e0d\u8981<\/strong>3.5.3.1<\/p>\n\n\n\n<p><a href=\"https:\/\/github.com\/baomidou\/mybatis-plus\/issues\/3720\" target=\"_blank\"  rel=\"nofollow\" >\u4f7f\u7528\u4e86orderByDesc()\u6216\u8005orderByAsc()\uff0cide\u4f1a\u63d0\u793a\uff1aUnchecked generics array creation for varargs parameter \u00b7 Issue #3720 \u00b7 baomidou\/mybatis-plus<\/a><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u62e6\u622a\u5668\u5c01\u88c5\u7528\u6237\u4e0a\u4e0b\u6587\u529f\u80fd<\/h2>\n\n\n\n<p>\u5c31\u662f\u5c01\u88c5\u6211\u4eec\u7684\u7528\u6237\u4e0a\u4e0b\u6587\uff0c\u6253\u7b97\u8ddf\u7f51\u5173\u4e00\u8d77\u505a\u7684\uff0c\u6211\u4eec\u6709\u5f88\u591a\u7684\u65b9\u6cd5\u90fd\u9700\u8981\u4f9d\u8d56\u8fd9\u4e2a\u4ece\u5f53\u524d\u8bf7\u6c42\u91cc\u9762\u83b7\u53d6\u4e0a\u4e0b\u6587<\/p>\n\n\n\n<p>&nbsp;common\u4e2d\u65b0\u5efabiz.user\uff0cUserInfoDTO\u6587\u4ef6<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">package com.nageoffer.shortlink.admin.common.biz.user;\n\nimport lombok.AllArgsConstructor;\nimport lombok.Builder;\nimport lombok.Data;\nimport lombok.NoArgsConstructor;\n\n\/**\n * \u7528\u6237\u4fe1\u606f\u5b9e\u4f53\n *\/\n@Data\n@NoArgsConstructor\n@AllArgsConstructor\n@Builder\npublic class UserInfoDTO {\n\n    \/**\n     * \u7528\u6237 ID\n     *\/\n    private String userId;\n\n    \/**\n     * \u7528\u6237\u540d\n     *\/\n    private String username;\n\n    \/**\n     * \u771f\u5b9e\u59d3\u540d\n     *\/\n    private String realName;\n\n    \/**\n     * \u7528\u6237 Token\n     *\/\n    private String token;\n}<\/pre>\n\n\n\n<p>&nbsp;\u521b\u5efaUSerContext\u6587\u4ef6<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">package com.nageoffer.shortlink.admin.common.biz.user;\nimport com.alibaba.ttl.TransmittableThreadLocal;\n\nimport java.util.Optional;\n\n\/**\n * \u7528\u6237\u4e0a\u4e0b\u6587\n *\/\npublic final class UserContext {\n\n    private static final ThreadLocal&lt;UserInfoDTO&gt; USER_THREAD_LOCAL = new TransmittableThreadLocal&lt;&gt;();\n\n    \/**\n     * \u8bbe\u7f6e\u7528\u6237\u81f3\u4e0a\u4e0b\u6587\n     *\n     * @param user \u7528\u6237\u8be6\u60c5\u4fe1\u606f\n     *\/\n    public static void setUser(UserInfoDTO user) {\n        USER_THREAD_LOCAL.set(user);\n    }\n\n    \/**\n     * \u83b7\u53d6\u4e0a\u4e0b\u6587\u4e2d\u7528\u6237 ID\n     *\n     * @return \u7528\u6237 ID\n     *\/\n    public static String getUserId() {\n        UserInfoDTO userInfoDTO = USER_THREAD_LOCAL.get();\n        return Optional.ofNullable(userInfoDTO).map(UserInfoDTO::getUserId).orElse(null);\n    }\n\n    \/**\n     * \u83b7\u53d6\u4e0a\u4e0b\u6587\u4e2d\u7528\u6237\u540d\u79f0\n     *\n     * @return \u7528\u6237\u540d\u79f0\n     *\/\n    public static String getUsername() {\n        UserInfoDTO userInfoDTO = USER_THREAD_LOCAL.get();\n        return Optional.ofNullable(userInfoDTO).map(UserInfoDTO::getUsername).orElse(null);\n    }\n\n    \/**\n     * \u83b7\u53d6\u4e0a\u4e0b\u6587\u4e2d\u7528\u6237\u771f\u5b9e\u59d3\u540d\n     *\n     * @return \u7528\u6237\u771f\u5b9e\u59d3\u540d\n     *\/\n    public static String getRealName() {\n        UserInfoDTO userInfoDTO = USER_THREAD_LOCAL.get();\n        return Optional.ofNullable(userInfoDTO).map(UserInfoDTO::getRealName).orElse(null);\n    }\n\n    \/**\n     * \u83b7\u53d6\u4e0a\u4e0b\u6587\u4e2d\u7528\u6237 Token\n     *\n     * @return \u7528\u6237 Token\n     *\/\n    public static String getToken() {\n        UserInfoDTO userInfoDTO = USER_THREAD_LOCAL.get();\n        return Optional.ofNullable(userInfoDTO).map(UserInfoDTO::getToken).orElse(null);\n    }\n\n    \/**\n     * \u6e05\u7406\u7528\u6237\u4e0a\u4e0b\u6587\n     *\/\n    public static void removeUser() {\n        USER_THREAD_LOCAL.remove();\n    }\n}\n<\/pre>\n\n\n\n<p>\u7528\u6237\u4e0a\u4e0b\u6587\u6307\u7684\u662f\u5f53\u4f60\u5728\u8fd9\u4e2a\u6211\u4eec\u5462\u62e6\u622a\u5668\u91cc\u9762\uff0c\u5728\u4f60\u65b9\u6cd5\u8fdb\u5165\u5230\u6211\u4eecspringboot\u4e4b\u540e\uff0c\u6211\u4eec\u62e6\u622a\u5230\u4f60\u7684TOKEN\uff0c\u5c31\u662f\u90a3\u4e2a\u67e5\u8be2\u7528\u6237\u540d\u662f\u5426\u53ef\u7528\uff0c\u5982\u679c\u6709\u7684\u8bdd\u5c31\u653e\u5230\u5f53\u524d\u7684THREAD\u5c31\u662f\u8fd9\u4e2a\u8bf7\u6c42\u91cc\u9762\uff0c\u8bf7\u6c42\u4e0d\u7ba1\u662fcontroller\u8fd8\u662fservice\u90fd\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e9b\u51fd\u6570\u83b7\u5f97\u4fe1\u606f\uff1a\u4e00\u79cd\u5c31\u662f\u4f60\u8981\u83b7\u53d6\u5f53\u5e74\u767b\u5f55\u4fe1\u606f\uff0c\u8fd8\u8981\u901a\u8fc7\u91cc\u9762\u5404\u79cd\u65b9\u6cd5\u8c03\u7528<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\u5199\u4e00\u4e2a\u8fc7\u6ee4\u5668&nbsp;<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">package com.nageoffer.shortlink.admin.common.biz.user;\n\nimport com.alibaba.fastjson2.JSON;\nimport jakarta.servlet.Filter;\nimport jakarta.servlet.FilterChain;\nimport jakarta.servlet.ServletException;\nimport jakarta.servlet.ServletRequest;\nimport jakarta.servlet.ServletResponse;\nimport jakarta.servlet.http.HttpServletRequest;\nimport lombok.RequiredArgsConstructor;\nimport org.springframework.data.redis.core.StringRedisTemplate;\nimport org.springframework.util.StringUtils;\n\nimport java.io.IOException;\nimport java.net.URLDecoder;\n\nimport static java.nio.charset.StandardCharsets.UTF_8;\n\n\/**\n * \u7528\u6237\u4fe1\u606f\u4f20\u8f93\u8fc7\u6ee4\u5668\n *\/\n@RequiredArgsConstructor\npublic class UserTransmitFilter implements Filter {\n    private final StringRedisTemplate stringRedisTemplate;\n\n    @Override\n    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {\n        HttpServletRequest httpServletRequest = (HttpServletRequest) servletRequest;\n        String username = httpServletRequest.getHeader(\"username\");\n        String token = httpServletRequest.getHeader(\"token\");\n        Object userInfoJsonStr =stringRedisTemplate.opsForHash().get(\"login_\"+username,token);\n        if (userInfoJsonStr != null) {\n            UserInfoDTO userInfoDTO = JSON.parseObject(userInfoJsonStr.toString(), UserInfoDTO.class);\n            UserContext.setUser(userInfoDTO);\n        }\n        try {\n            filterChain.doFilter(servletRequest, servletResponse);\n        } finally {\n            UserContext.removeUser();\n        }\n    }\n}<\/pre>\n\n\n\n<p>\u5728config\u4e2d\u6dfb\u52a0\u76f8\u5e94\u7684\u58f0\u660eUserConfiguration&nbsp;<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">package com.nageoffer.shortlink.admin.config;\n\nimport com.nageoffer.shortlink.admin.common.biz.user.UserTransmitFilter;\nimport org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;\nimport org.springframework.boot.web.servlet.FilterRegistrationBean;\nimport org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.Configuration;\nimport org.springframework.data.redis.core.StringRedisTemplate;\n\n\/**\n * \u7528\u6237\u914d\u7f6e\u81ea\u52a8\u88c5\u914d\n *\/\n@Configuration\npublic class UserConfiguration {\n\n    \/**\n     * \u7528\u6237\u4fe1\u606f\u4f20\u9012\u8fc7\u6ee4\u5668\n     *\/\n    @Bean\n    public FilterRegistrationBean&lt;UserTransmitFilter&gt; globalUserTransmitFilter(StringRedisTemplate stringRedisTemplate) {\n        FilterRegistrationBean&lt;UserTransmitFilter&gt; registration = new FilterRegistrationBean&lt;&gt;();\n        registration.setFilter(new UserTransmitFilter(stringRedisTemplate));\n        registration.addUrlPatterns(\"\/*\");\n        registration.setOrder(0);\n        return registration;\n    }\n}\n<\/pre>\n\n\n\n<p>GroupServicelmpl.java&nbsp;\u8bbe\u7f6e\u7528\u6237\u540d\uff0c\u4f7f\u7528getUsername\u83b7\u5f97<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>    @Override\n    public void saveGroup(String groupName) {\n        String gid;\n        do {\n            gid = RandomGenerator.generateRandom();\n        } while (!hasGid(gid));\n        GroupDO groupDO = GroupDO.builder()\n                .gid(gid)\n                .sortOrder(0)\n                .username(UserContext.getUsername())\n                .name(groupName)\n                .build();\n        baseMapper.insert(groupDO);\n    }\n\n    @Override\n    public List&lt;ShortLinkGroupRespDTO&gt; listGroup(){\n    \/\/ TODO \u4ece\u5f53\u524d\u4e0a\u4e0b\u6587\u83b7\u53d6\u7528\u6237\u540d\n        LambdaQueryWrapper&lt;GroupDO&gt; queryWrapper = Wrappers.lambdaQuery(GroupDO.class)\n                .eq(GroupDO::getDelFlag, 0)\n                .eq(GroupDO::getUsername,UserContext.getUsername())\n                .orderByDesc(GroupDO::getSortOrder, GroupDO::getUpdateTime);\n        List&lt;GroupDO&gt; groupDOList = baseMapper.selectList(queryWrapper);\n        return BeanUtil.copyToList(groupDOList, ShortLinkGroupRespDTO.class);\n    }\n\n    private boolean hasGid(String gid) {\n        LambdaQueryWrapper&lt;GroupDO&gt; queryWrapper = Wrappers.lambdaQuery(GroupDO.class)\n                .eq(GroupDO::getGid, gid)\n        .eq(GroupDO::getUsername, UserContext.getUsername());\n        GroupDO hasGroupFlag = baseMapper.selectOne(queryWrapper);\n        return hasGroupFlag == null;\n    }<\/code><\/pre>\n\n\n\n<p>&nbsp;UserInfoDTO\u8bbe\u7f6e\u6210\u8fd9\u4e2a\uff0c\u76f8\u5bf9\u4e8e\u53cd\u5e8f\u5217\u5316\u7684\u65f6\u5019\uff0c\u4e0d\u8981userid\u76f4\u63a5id\u53bb\u505a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">@JSONField(name=\"id\")\nprivate String userId;<\/pre>\n\n\n\n<p>&nbsp;\u628a\u5b83\u7ed9\u8bbe\u7f6e\u5230\u4e00\u4e2aThreadLocal\uff0c\u76f8\u5f53\u4e8e\u53ea\u8981\u4f60\u662f\u5728\u5f53\u524d\u7684\u8fd9\u4e2a\u7ebf\u7a0b\uff0c\u4e0d\u7ba1\u4f60\u5728\u54ea\u4e00\u4e2a\u5730\u65b9\u83b7\u53d6\uff0c\u90fd\u53ef\u4ee5\u83b7\u53d6\u5230\u5f53\u524d\u7684\u7528\u6237\u4e0a\u4e0b\u6587\uff0c\u5e76\u4e14\u4f7f\u7528\u963f\u91cc\u5df4\u5df4\u7684\u5b89\u5168\u7ebf\u7a0bTransmittableThreadLocal<br>\u6211\u4eec\u9ed8\u8ba4\u7684ThreadLocal\u8de8\u7ebf\u7a0b\u5c31\u5931\u6548\u4e86\uff0c\u5982\u679c\u662f\u7236\u5b50\u7ebf\u7a0b\u7684\u8bdd\uff0c\u8fd8\u52c9\u5f3a\u6709\u4e00\u4e2a\u65f6\u95f4\u7c7b\u53ef\u4ee5\u4f20\u9012\uff0c\u4f46\u662f\u6ca1\u6709\u5173\u7cfb\u7684\u8de8\u7ebf\u7a0b\u7684\u4f20\u9012\u4e0d\u80fd\uff0c<a href=\"https:\/\/zhuanlan.zhihu.com\/p\/28501035\" target=\"_blank\"  rel=\"nofollow\" >ThreadLocal\u7236\u5b50\u7ebf\u7a0b\u4f20\u9012\u5b9e\u73b0\u65b9\u6848 - \u77e5\u4e4e<\/a><\/p>\n\n\n\n<p>&nbsp;\u53ef\u4ee5\u770b\u770bTransmittableThreadLocal\u539f\u7406\uff0c\u5927\u6982\u6e90\u7801<\/p>\n\n\n\n<p>\u5148\u65b0\u589e\u4e4b\u540e\u7136\u540e\u7ee7\u7eed\u6267\u884c\u540e\u7eed\u7684\u8fc7\u6ee4\u5668\uff0c\u7136\u540e\u6267\u884c\u5b8c\u4e86\u4e4b\u540e\uff0c\u4ed6\u5728\u6700\u540e\u7684\u8bdd\u4f1a\u628a\u7ed9remove\u6389\uff0c\u76f8\u5f53\u4e8e\u628a\u4ece\u7528\u6237\u4fe1\u606f\u4ece\u5f53\u524d\u7684\u7ebf\u7a0b\u4e0a\u4e0b\u6587\u91cc\u9762\u7ed9\u5b83\u62b9\u6389\uff0c\u9632\u6b62\u5185\u5b58\u6cc4\u9732\uff0c\u76f4\u63a5\u7ed9\u4ed6\u8c03remove<\/p>\n\n\n\n<p>UserTransmitFilter.java\u7528\u6237\u4fe1\u606f=null\uff0c\u90a3\u4ed6\u80af\u5b9a\u662f\u9700\u8981\u767b\u5f55\u7684&nbsp;\uff0c\u8981\u4e0d\u7136\u4f60\u4e0d\u5c31\u4e1a\u52a1\u53ef\u80fd\u4f1a\u51fa\u95ee\u9898\u5417\uff0c\u6211\u4eec\u4ee3\u7801\u91cc\u9762\u8fd9\u4e48\u7528\u4e86\uff0c\u5b9e\u9645\u60c5\u51b5\u662f\u6211\u4eec\u662f\u8981\u5728\u7f51\u5173\u5c42\u9762\u53bb\u505a\u8fd9\u4e2a\u4e8b\uff1b\u4e3a\u4e86\u540e\u7eed\u6d4b\u8bd5\u65b9\u4fbf\uff0c<\/p>\n\n\n\n<p>&nbsp;\u4f5c\u8005\u63d0\u5230\u65f6\u95f4\u592a\u957f\uff0c\u6362\u621030DAYs\u6bd4\u8f83\u597d\uff0cUserServiceImpl\u91cc\u9762<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">stringRedisTemplate.expire(\"login_\" + requestParam.getUsername(), 30L, TimeUnit.DAYS);<\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>1.<strong>\u5927\u5bb6\u53ef\u80fd\u5728\u8fd9\u4e00\u8282\u9047\u5230\u8fc7\u6ee4\u5668\u7684\u62a5\u9519\u95ee\u9898\uff0c\u8fd9\u662f\u56e0\u4e3a\u6ca1\u6709\u8fc7\u6ee4\u5668\u6ca1\u6709\u5c06\u767b\u5f55\u63a5\u53e3\u653e\u884c\uff0c\u6240\u4ee5\u4f1a\u51fa\u73b0\u95ee\u9898\u3002\u4e0b\u4e00\u8282\u89c6\u9891\u4f1a\u89e3\u51b3\uff0c\u8bf7\u6b63\u5e38\u5411\u540e\u770b\u4e00\u8282\u5c31\u597d\u3002<\/strong><\/p>\n\n\n\n<p>\u5f53\u524d\u8fc7\u6ee4\u5668\u914d\u7f6e\u4e3a\u62e6\u622a\u6240\u6709\u8def\u5f84\uff08<code>\/*<\/code>\uff09\uff0c\u5305\u62ec\u767b\u5f55\u63a5\u53e3\u3002\u672a\u767b\u5f55\u65f6\uff0cRedis\u4e2d\u65e0\u7528\u6237\u4fe1\u606f\uff0c\u5bfc\u81f4\u8fc7\u6ee4\u5668\u65e0\u6cd5\u8bbe\u7f6e\u7528\u6237\u4e0a\u4e0b\u6587\uff0c\u8fdb\u800c\u963b\u6b62\u767b\u5f55\u8bf7\u6c42\u3002<\/p>\n\n\n\n<p><strong>\u89e3\u51b3\u65b9\u6848 <\/strong>\uff1a\u9700\u5728\u8fc7\u6ee4\u5668\u4e2d\u6392\u9664\u767b\u5f55\u63a5\u53e3\u7684URL\uff0c\u4f8b\u5982<br>\u6216\u5728 <code>doFilter<\/code> \u65b9\u6cd5\u4e2d\u6dfb\u52a0\u8def\u5f84\u68c0\u67e5\u903b\u8f91\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>registration.addUrlPatterns(\"\/*\");\nregistration.addInitParameter(\"excludedUrls\", \"\/api\/short-link\/v1\/user\/login\");<\/code><\/pre>\n\n\n\n<p>2.\u8fc7\u6ee4\u5668\u8bbe\u7f6e\u4e86registration.addUrlPatterns(\"\/*\"); \u662f\u4e0d\u662f\u767b\u5f55\u63a5\u53e3\u4e5f\u88ab\u62e6\u4f4f\u4e86\uff0cRedis\u91cc\u6ca1\u6709\u6570\u636e\u65f6\u548b\u767b\u5f55\u5462\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fc7\u6ee4\u5668\u5f3a\u5236\u8981\u6c42\u8bf7\u6c42\u643a\u5e26\u5408\u6cd5Token\uff08\u4eceRedis\u4e2d\u83b7\u53d6\u7528\u6237\u4fe1\u606f\uff09\uff0c\u4f46\u767b\u5f55\u63a5\u53e3\u672c\u8eab\u9700\u8981\u5141\u8bb8\u533f\u540d\u8bbf\u95ee\u3002<\/li>\n\n\n\n<li><strong>\u4fee\u6539\u8fc7\u6ee4\u5668\u8def\u5f84 <\/strong>\uff1a\u5c06 <code>addUrlPatterns(\"\/*\")<\/code> \u6539\u4e3a <code>addUrlPatterns(\"\/api\/*\")<\/code>\uff0c\u6392\u9664 <code>\/login<\/code> \u7b49\u516c\u5171\u63a5\u53e3\u3002<\/li>\n\n\n\n<li><strong>\u52a8\u6001\u653e\u884c\u903b\u8f91 <\/strong>\uff1a\u5728 <code>doFilter<\/code> \u4e2d\u5224\u65adURL\u662f\u5426\u4e3a\u767b\u5f55\u63a5\u53e3\uff0c\u82e5\u5339\u914d\u5219\u76f4\u63a5\u653e\u884c\uff1a<code>if (\"\/api\/short-link\/v1\/user\/login\".equals(httpServletRequest.getRequestURI())) { filterChain.doFilter(servletRequest, servletResponse); return; }<\/code><img loading=\"lazy\" decoding=\"async\" height=\"15\" width=\"15\" src=\"blob:https:\/\/eve2333.top\/597aca71-a542-4929-958c-00282c718b77\"><\/li>\n<\/ul>\n\n\n\n<p>3.\u8fd9\u91cc\u7528mvc\u7684\u62e6\u622a\u5668\u662f\u4e0d\u662f\u4f1a\u66f4\u597d\u4e00\u70b9\uff0c\u611f\u89c9\u62e6\u622a\u5668\u66f4\u597d<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\u5bf9\u6bd4\u7ef4\u5ea6<\/strong><\/th><th><strong>\u8fc7\u6ee4\u5668\uff08Filter\uff09<\/strong><\/th><th><strong>\u62e6\u622a\u5668\uff08Interceptor\uff09<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>\u4f5c\u7528\u5c42\u7ea7<\/strong><\/td><td>Servlet\u89c4\u8303\uff0c\u4f5c\u7528\u4e8e\u6240\u6709\u8bf7\u6c42\uff08\u5305\u62ec\u9759\u6001\u8d44\u6e90\uff09<\/td><td>Spring MVC\uff0c\u4ec5\u4f5c\u7528\u4e8e\u63a7\u5236\u5668\u65b9\u6cd5<\/td><\/tr><tr><td><strong>\u9002\u7528\u573a\u666f<\/strong><\/td><td>\u5168\u5c40\u8bf7\u6c42\u5904\u7406\uff08\u5982\u65e5\u5fd7\u3001\u8de8\u57df\u3001\u7528\u6237\u4e0a\u4e0b\u6587\uff09<\/td><td>\u63a7\u5236\u5668\u7ea7\u522b\u7684\u903b\u8f91\uff08\u5982\u6743\u9650\u6821\u9a8c\u3001\u53c2\u6570\u7ed1\u5b9a\uff09<\/td><\/tr><tr><td><strong>\u7075\u6d3b\u6027<\/strong><\/td><td>\u9700\u624b\u52a8\u5904\u7406URL\u5339\u914d<\/td><td>\u53ef\u7ed3\u5408<code>@RequestMapping<\/code>\u6ce8\u89e3\u7cbe\u786e\u5339\u914d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5f53\u524d\u573a\u666f\u9002\u7528\u8fc7\u6ee4\u5668 <\/strong>\uff1a\u7528\u6237\u4e0a\u4e0b\u6587\u9700\u5728\u8bf7\u6c42\u65e9\u671f\u8bbe\u7f6e\uff0c\u4e14\u53ef\u80fd\u6d89\u53ca\u975e\u63a7\u5236\u5668\u7684\u8bf7\u6c42\u5904\u7406\uff08\u5982WebSocket\uff09\u3002<\/li>\n\n\n\n<li><strong>\u62e6\u622a\u5668\u4f18\u52bf <\/strong>\uff1a\u82e5\u4ec5\u9700\u5728\u63a7\u5236\u5668\u65b9\u6cd5\u6267\u884c\u524d\u8bbe\u7f6e\u4e0a\u4e0b\u6587\uff0c\u62e6\u622a\u5668\u66f4\u8f7b\u91cf\u4e14\u4e0eSpring\u96c6\u6210\u66f4\u7d27\u5bc6\u3002<\/li>\n<\/ul>\n\n\n\n<p>4.\u4ece\u540e\u9762\u56de\u6765\u7684\uff0c\u8fd9\u91cc\u62e6\u622a\u5668\u7684\u4f5c\u7528\u6709\u70b9\u5c40\u9650\uff0c\u4ec5\u4ec5\u53ea\u9a8c\u8bc1\u4e86\u7528\u6237\u662f\u5426\u767b\u5f55\uff0c\u4f46\u53ea\u8981\u4e00\u4e2a\u7528\u6237\u767b\u9646\u4e86\uff0c\u4ed6\u5c31\u53ef\u4ee5\u8bbf\u95ee\u522b\u7684\u7528\u6237\u7684\u77ed\u94fe\u63a5\u4fe1\u606f<\/p>\n\n\n\n<p><strong>\u4fee\u590d\u65b9\u6848 <\/strong>\uff1a<br><strong>\u4e1a\u52a1\u5c42\u6821\u9a8c <\/strong>\uff1a\u5728\u6570\u636e\u5e93\u67e5\u8be2\u65f6\u5f3a\u5236\u52a0\u5165 <code>username<\/code> \u6761\u4ef6\uff08\u5982\u4ee3\u7801\u4e2d <code>UserContext.getUsername()<\/code>\uff09\uff0c\u786e\u4fdd\u7528\u6237\u4ec5\u80fd\u8bbf\u95ee\u81ea\u8eab\u6570\u636e\u3002<br><strong>\u7edf\u4e00\u6743\u9650\u6821\u9a8c <\/strong>\uff1a\u4f7f\u7528Spring Security\u6216\u81ea\u5b9a\u4e49\u6ce8\u89e3\uff08\u5982 <code>@CheckUserAccess<\/code>\uff09\u5728\u65b9\u6cd5\u7ea7\u522b\u6821\u9a8c\u6743\u9650\u3002<\/p>\n\n\n\n<p>5.admin.common.biz.user\u4e2dUserInfoDTO\u7684\u7528\u6237id\u662fString\u7c7b\u578b\uff0c\u800cadmin.dao.entity\u4e2dUserDO\u7684\u7528\u6237id\u662fLong\u7c7b\u578b\uff0c\u4f1a\u6709\u5f71\u54cd\u5417\uff1f\u6211\u8bb0\u5f97\u505a\u4e86\u8f6c\u6362\uff0c\u6700\u7ec8<strong>\u4e0d\u4f1a\u6709\u95ee\u9898<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6f5c\u5728\u98ce\u9669 <\/strong>\uff1a\u82e5\u6570\u636e\u5e93\u5b57\u6bb5\u4e3a <code>BIGINT<\/code>\uff08\u5bf9\u5e94Java <code>Long<\/code>\uff09\uff0c\u800cUserInfoDTO\u4f7f\u7528 <code>String<\/code>\uff0c\u9700\u786e\u4fdd\u5e8f\u5217\u5316\/\u53cd\u5e8f\u5217\u5316\u65f6\u6b63\u786e\u8f6c\u6362\u3002<\/li>\n\n\n\n<li><strong>\u6b63\u786e\u6027\u6761\u4ef6 <\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u5b58\u50a8\u65f6 <\/strong>\uff1a\u5c06 <code>Long<\/code> \u8f6c\u6362\u4e3a <code>String<\/code>\uff08\u5982 <code>user.setId(userDO.getId().toString())<\/code>\uff09\u3002<\/li>\n\n\n\n<li><strong>\u8bfb\u53d6\u65f6 <\/strong>\uff1a\u786e\u4fdd <code>JSON.parseObject(...)<\/code> \u80fd\u6b63\u786e\u89e3\u6790 <code>String<\/code> \u5230 <code>Long<\/code>\uff08FastJSON2\u9ed8\u8ba4\u652f\u6301\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>6.\u4e3a\u4ec0\u4e48\u4e0d\u7528session\u6765\u7ba1\u7406\u5462\uff0c\u6709\u73b0\u6210\u7684\u5e93\u53ef\u7528\u3002spring security\u5c31\u53ef\u4ee5\u3002\u56e0\u4e3aSpring\u6743\u9650\u6846\u67b6\u6bd4\u8f83\u590d\u6742\uff0c\u77ed\u94fe\u63a5\u7cfb\u7edf\u91cd\u70b9\u4e0d\u5728\u7528\u6237\uff0c\u6240\u4ee5\u7528\u4e00\u79cd\u7b80\u5355\u65b9\u6848\u5b9e\u73b0\u767b\u5f55\u3002\u5e02\u573a\u4e0a\u7684Spring\u6743\u9650\u6846\u67b6\u4ee5\u53caSaToken\u90fd\u633a\u4e0d\u9519\u7684<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Session\u7684\u5c40\u9650\u6027 <\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u5355\u673a\u90e8\u7f72 <\/strong>\uff1aSession\u4f9d\u8d56\u670d\u52a1\u5668\u5185\u5b58\uff0c\u65e0\u6cd5\u6a2a\u5411\u6269\u5c55\u3002<\/li>\n\n\n\n<li><strong>\u5206\u5e03\u5f0f\u90e8\u7f72 <\/strong>\uff1a\u9700\u5f15\u5165 <code>Spring Session<\/code> + Redis\uff0c\u590d\u6742\u5ea6\u4e0e\u5f53\u524d\u65b9\u6848\u76f8\u5f53\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Spring Security\u4f18\u52bf <\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u63d0\u4f9b\u5b8c\u6574\u7684\u8ba4\u8bc1\u3001\u6388\u6743\u673a\u5236\uff08\u5982RBAC\u3001OAuth2\uff09\u3002<\/li>\n\n\n\n<li>\u5b89\u5168\u6027\u66f4\u9ad8\uff08\u5982\u9632CSRF\u3001XSS\u653b\u51fb\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u9879\u76ee\u9009\u62e9\u5408\u7406\u6027 <\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u77ed\u671f\u76ee\u6807 <\/strong>\uff1a\u5feb\u901f\u5b9e\u73b0\u57fa\u7840\u529f\u80fd\uff0c\u9002\u5408\u6559\u5b66\u6216\u539f\u578b\u5f00\u53d1\u3002<\/li>\n\n\n\n<li><strong>\u957f\u671f\u5efa\u8bae <\/strong>\uff1a\u751f\u4ea7\u73af\u5883\u5e94\u4f7f\u7528Spring Security\u6216SaToken\u7b49\u6210\u719f\u6846\u67b6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>7.\u8fd9\u91cc\u4e3a\u4ec0\u4e48\u7528\u8fc7\u6ee4\u5668\u4e0d\u7528\u62e6\u622a\u5668\uff0c\u8fd8\u662f\u8bf4\u90fd\u53ef\u4ee5\uff1f<\/p>\n\n\n\n<p>\u8fc7\u6ee4\u5668\u662fjavaweb\u7684\uff0c\u62e6\u622a\u5668\u662fspring\u7684\u6709\u533a\u522b<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8fc7\u6ee4\u5668\uff08Filter\uff09 <\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u4f18\u70b9 <\/strong>\uff1a\u4f5c\u7528\u4e8e\u6240\u6709\u8bf7\u6c42\uff0c\u5305\u62ec\u975eSpring MVC\u7684\u8d44\u6e90\uff08\u5982\u9759\u6001\u6587\u4ef6\u3001WebSocket\uff09\u3002<\/li>\n\n\n\n<li><strong>\u7f3a\u70b9 <\/strong>\uff1a\u9700\u624b\u52a8\u5904\u7406URL\u5339\u914d\uff0c\u4e0eSpring\u8026\u5408\u5ea6\u4f4e\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u62e6\u622a\u5668\uff08Interceptor\uff09 <\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u4f18\u70b9 <\/strong>\uff1a\u4e0eSpring MVC\u96c6\u6210\u7d27\u5bc6\uff0c\u53ef\u8bbf\u95ee <code>HandlerMethod<\/code>\u3001<code>ModelAndView<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u7f3a\u70b9 <\/strong>\uff1a\u65e0\u6cd5\u62e6\u622a\u975e\u63a7\u5236\u5668\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7ed3\u8bba <\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u5f53\u524d\u573a\u666f\u5408\u7406 <\/strong>\uff1a\u7528\u6237\u4e0a\u4e0b\u6587\u9700\u5168\u5c40\u751f\u6548\uff0c\u8fc7\u6ee4\u5668\u66f4\u5408\u9002\u3002<\/li>\n\n\n\n<li><strong>\u66ff\u4ee3\u65b9\u6848 <\/strong>\uff1a\u82e5\u4ec5\u9700\u5728\u63a7\u5236\u5668\u65b9\u6cd5\u4e2d\u4f7f\u7528\u7528\u6237\u4fe1\u606f\uff0c\u62e6\u622a\u5668\u66f4\u7b80\u6d01\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u4fee\u6539\u77ed\u94fe\u63a5\u5206\u7ec4\u529f\u80fd<\/h2>\n\n\n\n<p>\u5728dto\u4e2d\u7684req\u521b\u5efa\u4fee\u6539\u7684\u53c2\u6570\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f\u4e2a\u540d\u5b57<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">package com.nageoffer.shortlink.admin.dto.req;\n\nimport lombok.Data;\n\n\/**\n * \u77ed\u94fe\u63a5\u5206\u7ec4\u4fee\u6539\u53c2\u6570\n *\/\n@Data\npublic class ShortLinkGroupUpdateReqDTO {\n    \/**\n     * \u5206\u7ec4\u540d\n     *\/\n    private String name;\n    \/**\n     * \u5206\u7ec4\u6807\u6ce8\n     *\/\n    private String gid;\n}\n<\/pre>\n\n\n\n<p>&nbsp;\u5728Controller\u548cService\u6dfb\u52a0\uff0c\u8fd8\u6709impl<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">@Override\npublic void updateGroup(ShortLinkGroupUpdateReqDTO requestParam){\n    LambdaUpdateWrapper&lt;GroupDO&gt; updateWrapper = Wrappers.lambdaUpdate(GroupDO.class)\n            .eq(GroupDO::getUsername, UserContext.getUsername())\n            .eq(GroupDO::getGid, requestParam.getGid())\n            .eq(GroupDO::getDelFlag, 0);\n    GroupDO groupDO = new GroupDO();\n    groupDO.setName(requestParam.getName());\n    baseMapper.update(groupDO, updateWrapper);\n}<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">\/**\n * \u4fee\u6539\u77ed\u94fe\u63a5\u5206\u7ec4\u540d\u79f0\n *\/\n@PutMapping(\"\/api\/short-link\/v1\/group\")\npublic Result&lt;Void&gt;update(@RequestBody ShortLinkGroupUpdateReqDTO requestParam){\n    groupService.updateGroup(requestParam);\n    return Results.success();\n}<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">\/**\n * \u4fee\u6539\u77ed\u94fe\u63a5\u5206\u7ec4\n * @param requestParam \u77ed\u94fe\u63a5\n *\/\nvoid updateGroup(ShortLinkGroupUpdateReqDTO requestParam);<\/pre>\n\n\n\n<p>&nbsp;\u6211\u4eec\u5728UserConfiguration\u8bbe\u7f6e\u6392\u9664\u7684url\u597d\u50cf\u6ca1\u6709\u8fd9\u4e2a\u8bed\u6cd5\uff1f\u76f4\u63a5\u5728USerTransmitFilter\u91cc\u9762\uff1a<br>\uff08\u5b9e\u9645\u4e0a\u662f\u7528\u6237\u767b\u5f55\u62e6\u622a\u5668\u4e2d\u5ffd\u7565\u767b\u5f55\u63a5\u53e3\uff09<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">@Override\npublic void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {\n    HttpServletRequest httpServletRequest = (HttpServletRequest) servletRequest;\n    String requestURI = httpServletRequest.getRequestURI();\n    if(!Objects.equals(requestURI,\"\/api\/short-link\/v1\/user\/login\")){\n        String username = httpServletRequest.getHeader(\"username\");\n        String token = httpServletRequest.getHeader(\"token\");\n        Object userInfoJsonStr =stringRedisTemplate.opsForHash().get(\"login_\"+username,token);\n        if (userInfoJsonStr != null) {\n            UserInfoDTO userInfoDTO = JSON.parseObject(userInfoJsonStr.toString(), UserInfoDTO.class);\n            UserContext.setUser(userInfoDTO);\n        }\n    }\n    try {\n        filterChain.doFilter(servletRequest, servletResponse);\n    } finally {\n        UserContext.removeUser();\n    }\n}<\/pre>\n\n\n\n<p>\u53f3\u4e0a\u89d2\u53ef\u4ee5\u9009\u62e9\u6dfb\u52a0\u5168\u5c40\u53c2\u6570\uff0c\u8bb0\u5f97\u5148\u767b\u5f55\uff0c\u56e0\u4e3a\u8bbe\u7f6e\u768430min\u8fc7\u671f\uff0c\u73b0\u5728\u5df2\u7ecf\u6539\u621030days\u4e86<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"413\" width=\"1783\" src=\"https:\/\/i-blog.csdnimg.cn\/direct\/57351aa0ac5743669c4253e1f06b73c3.png\" alt=\"\"><\/p>\n\n\n\n<p>\u00a0\u8fd9\u91cc\u53ef\u80fd\u4f1a\u6709\u62a5\u9519\uff0c\u8bf7\u770b\u4e0b\u4e00\u7bc7\u6587\u7ae0\u7684\u201d\u4fee\u6b63\u9519\u8bef\u201c\u90e8\u5206<img loading=\"lazy\" decoding=\"async\" height=\"252\" width=\"1037\" src=\"https:\/\/i-blog.csdnimg.cn\/direct\/697e16a67a164e6fa0f2f57966a289ae.png\" alt=\"\"><img loading=\"lazy\" decoding=\"async\" height=\"508\" width=\"683\" src=\"https:\/\/i-blog.csdnimg.cn\/direct\/4ade1a286c08494bad37d3b8348ac2e5.png\" alt=\"\"><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>&nbsp;\u963f\u91cc\u7684TTL\u5e94\u8be5\u53ea\u662f\u89e3\u51b3\u4e86\u5728\u540c\u4e00\u53f0JVM\u4e0b\uff0c\u4e0d\u540c\u7ebf\u7a0b\u95f4ThreadLocal\u7684\u590d\u7528\u5427\uff0c\u53ef\u662f\u770b\u5230\u73b0\u5728\u53d1\u73b0\u8fd9\u4e2a\u9879\u76ee\u5e94\u8be5\u662f\u5fae\u670d\u52a1\u67b6\u6784\uff0c\u662f\u5728\u5206\u5e03\u5f0f\u73af\u5883\u4e0b\u7684\uff0c\u90a3\u4e48\u5728\u670d\u52a1\u4e92\u76f8\u8c03\u7528\u7684\u8fc7\u7a0b\u4e2dTTL\u5c31\u4e0d\u80fd\u7ef4\u62a4ThreadLocal\u4fdd\u5b58\u7684\u4fe1\u606f\u4e86\u5427\uff0c\u8fd9\u4e2a\u65f6\u5019\u600e\u4e48\u89e3\u51b3\uff1f<\/p>\n\n\n\n<p>\u7528JWT token\u6765\u4ee3\u66ff\u5f53\u524d\u8fd9\u4e2a\u767b\u5f55\u65b9\u5f0f\u4e0d\u77e5\u9053\u884c\u4e0d\u884c\uff0c\u8fd9\u6837\u5c31\u662fstateless\u4e86\u3002<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>&nbsp;\u597d\u9ebb\u70e6\u554a\uff0c\u73b0\u5728\u521b\u5efa\u4e00\u4e2a\u7528\u6237<\/p>\n\n\n\n<p>{<\/p>\n\n\n\n<p>&nbsp; &nbsp; \"username\":\"markdown\",<\/p>\n\n\n\n<p>&nbsp; &nbsp; \"password\":\"114514\",<\/p>\n\n\n\n<p>&nbsp; &nbsp; \"realName\":\"\u5f31\u6c34\u4e09\u5343\",<\/p>\n\n\n\n<p>&nbsp; &nbsp; \"phone\":\"13869696969\",<\/p>\n\n\n\n<p>&nbsp; &nbsp; \"mail\":\"1256789@qq.com\"<\/p>\n\n\n\n<p>}<br>\u8fd9\u4e2a\u53f7\u5728user15\u91cc\u9762\uff0c\"token\": \"23cb2507-040b-438d-aefe-1e253ce2ac9e\"<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u5220\u9664\u77ed\u94fe\u63a5\u5206\u7ec4\u529f\u80fd<\/h2>\n\n\n\n<p>&nbsp;\u5220\u9664\u4e00\u822c\u90fd\u662f\u8f6f\u5220\u9664\uff0c\u6240\u4ee5\u4e00\u822c\u662fupdate\u53bb\u505a\uff0c\u6539\u6539\u6807\u8bc6\u5c31\u597d<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\/**\n * \u5220\u9664\u77ed\u94fe\u63a5\u5206\u7ec4\n *\/\n@DeleteMapping(\"\/api\/short-link\/v1\/group\")\npublic Result&lt;Void&gt;delete(@RequestParam String gid){\n    groupService.deleteGroup(gid);\n    return Results.success();\n}<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">\/**\n * \u5220\u9664\u77ed\u94fe\u63a5\u5206\u7ec4\n * @param gid \u77ed\u94fe\u63a5\u5206\u7ec4\u6807\u8bc6\n *\/\nvoid deleteGroup(String gid);<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">@Override\npublic void deleteGroup(String gid) {\n    LambdaUpdateWrapper&lt;GroupDO&gt; updateWrapper = Wrappers.lambdaUpdate(GroupDO.class)\n            .eq(GroupDO::getUsername, UserContext.getUsername())\n            .eq(GroupDO::getGid, gid)\n            .eq(GroupDO::getDelFlag, 0);\n    GroupDO groupDO = new GroupDO();\n    groupDO.setDelFlag(1);\n    baseMapper.update(groupDO, updateWrapper);\n}<\/pre>\n\n\n\n<p>\u5f53\u524d\u7528\u6237\u4e0b\u7684gid\u88ab\u5220\u9664\u524d\u662f\u6b63\u5e38\u76840\uff0c\u73b0\u5728set\u662f1\u4e86<\/p>\n\n\n\n<p>\u00a0<img loading=\"lazy\" decoding=\"async\" height=\"165\" width=\"1017\" src=\"https:\/\/i-blog.csdnimg.cn\/direct\/9efe4a5f166945ee9653161dc2496fab.png\" alt=\"\"><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>1.\u8fd9\u91cc\u5220\u9664\u5206\u7ec4\u7684\u65f6\u5019\uff0c\u4e0d\u9700\u8981\u5c06\u5206\u7ec4\u4e0b\u7684\u6240\u6709\u77ed\u94fe\u63a5\u4e5f\u5220\u9664\u5417\uff1f<\/p>\n\n\n\n<p>2.\u4f1a\u4e0d\u4f1a\u6709\u8fd9\u79cd\u60c5\u51b5\u51fa\u73b0\uff1a\u5206\u7ec4\u5df2\u7ecf\u5220\u9664\u4e86\u4f46\u662f\u5206\u7ec4\u4e0b\u7684\u77ed\u94fe\u63a5\u6ca1\u6709\u5220\u9664\u3002\u540e\u7eed\u65b0\u589e\u5206\u7ec4\u65f6\u968f\u673a\u7684gid\u4e0e\u4e4b\u524d\u5df2\u5220\u9664\u5206\u7ec4\u7684gid\u76f8\u540c\uff0c\u5bfc\u81f4\u65b0\u589e\u7684\u8fd9\u4e2a\u5206\u7ec4\u4e2d\u51fa\u73b0\u4e86\u539f\u6765\u5df2\u88ab\u5220\u9664\u5206\u7ec4\u91cc\u7684\u77ed\u94fe\u63a5\uff1f<\/p>\n\n\n\n<p>\u95ee\u98981\uff1a\u5220\u9664\u5206\u7ec4\u65f6\u662f\u5426\u9700\u8981\u5220\u9664\u5176\u4e0b\u7684\u77ed\u94fe\u63a5\uff1f<br>\u56de\u7b54\u6b63\u786e\u6027\uff1a\u2705 \u6b63\u786e\uff08\u9700\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u5224\u65ad\uff09<br>\u5206\u6790 \uff1a<br>\u5f53\u524d\u903b\u8f91\u4ec5\u5bf9\u5206\u7ec4\u8fdb\u884c\u8f6f\u5220\u9664\uff08del_flag = 1\uff09\uff0c\u4f46\u672a\u5904\u7406\u5206\u7ec4\u4e0b\u7684\u77ed\u94fe\u63a5\u3002\u8fd9\u79cd\u8bbe\u8ba1\u53ef\u80fd\u5b58\u5728\u4ee5\u4e0b\u95ee\u9898\uff1a<\/p>\n\n\n\n<p>\u6570\u636e\u5197\u4f59 \uff1a\u77ed\u94fe\u63a5\u4ecd\u5173\u8054\u5230\u5df2\u5220\u9664\u7684\u5206\u7ec4GID\uff0c\u53ef\u80fd\u5360\u7528\u5b58\u50a8\u7a7a\u95f4\u3002<br>\u6570\u636e\u6df7\u4e71\u98ce\u9669 \uff1a<br>\u82e5\u540e\u7eed\u65b0\u589e\u5206\u7ec4\u65f6\u590d\u7528\u76f8\u540c\u7684GID\uff08\u4f8b\u5982\u901a\u8fc7\u968f\u673a\u751f\u6210\uff09\uff0c\u65b0\u5206\u7ec4\u4f1a\u610f\u5916\u5305\u542b\u65e7\u5206\u7ec4\u7684\u77ed\u94fe\u63a5\uff08\u5c24\u5176\u662f\u672a\u5220\u9664\u7684\u77ed\u94fe\u63a5\uff09\u3002<br>\u77ed\u94fe\u63a5\u67e5\u8be2\u903b\u8f91\u82e5\u672a\u6821\u9a8c\u5206\u7ec4\u72b6\u6001\uff08\u5982 del_flag = 0\uff09\uff0c\u53ef\u80fd\u5bfc\u81f4\u4e1a\u52a1\u9519\u8bef\uff08\u5982\u663e\u793a\u5df2\u5220\u9664\u5206\u7ec4\u7684\u77ed\u94fe\u63a5\uff09\u3002<br>\u89e3\u51b3\u65b9\u6848 \uff1a<\/p>\n\n\n\n<p>\u8f6f\u5220\u9664\u5206\u7ec4 + \u77ed\u94fe\u63a5\u9694\u79bb \uff1a<br>\u5728\u5220\u9664\u5206\u7ec4\u65f6\uff0c\u540c\u6b65\u66f4\u65b0\u77ed\u94fe\u63a5\u7684 group_id \u6216 del_flag\uff0c\u786e\u4fdd\u5176\u4e0e\u5df2\u5220\u9664\u5206\u7ec4\u89e3\u7ed1\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u5220\u9664\u5206\u7ec4\u65f6\uff0c\u540c\u6b65\u66f4\u65b0\u8be5\u5206\u7ec4\u4e0b\u7684\u6240\u6709\u77ed\u94fe\u63a5\nLambdaUpdateWrapper&lt;ShortLinkDO&gt; shortLinkWrapper = Wrappers.lambdaUpdate(ShortLinkDO.class)\n&nbsp; &nbsp; .eq(ShortLinkDO::getGroupId, gid);\nShortLinkDO shortLinkDO = new ShortLinkDO();\nshortLinkDO.setDelFlag(1); \/\/ \u8f6f\u5220\u9664\u77ed\u94fe\u63a5\nshortLinkMapper.update(shortLinkDO, shortLinkWrapper);<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1\" height=\"1\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/06\/1749305675-image-3.gif\" alt=\"\" class=\"wp-image-1188\" title=\"\u70b9\u51fb\u5e76\u62d6\u62fd\u4ee5\u79fb\u52a8\"\/><\/figure>\n\n\n\n<p>\u786c\u5220\u9664\u5206\u7ec4 + \u7ea7\u8054\u5220\u9664 \uff1a<br>\u82e5\u4e1a\u52a1\u5141\u8bb8\u7269\u7406\u5220\u9664\uff0c\u53ef\u76f4\u63a5\u5220\u9664\u5206\u7ec4\u53ca\u5176\u5173\u8054\u7684\u77ed\u94fe\u63a5\uff08\u9700\u6570\u636e\u5e93\u5916\u952e\u7ea6\u675f\u652f\u6301\uff09\u3002<\/p>\n\n\n\n<p>\u95ee\u98982\uff1a\u65b0\u589e\u5206\u7ec4\u590d\u7528GID\u662f\u5426\u4f1a\u5bfc\u81f4\u77ed\u94fe\u63a5\u5f52\u5c5e\u6df7\u4e71\uff1f<br>\u56de\u7b54\u6b63\u786e\u6027\uff1a\u2705 \u6b63\u786e\uff08\u5b58\u5728\u98ce\u9669\uff09<br>\u5206\u6790 \uff1a<\/p>\n\n\n\n<p>GID\u751f\u6210\u7b56\u7565\u7f3a\u9677 \uff1a\u5f53\u524d\u4f7f\u7528\u968f\u673a\u751f\u6210\u7684GID\uff08\u5982 RandomGenerator.generateRandom()\uff09\uff0c\u672a\u4fdd\u8bc1\u5168\u5c40\u552f\u4e00\u6027\u3002\u82e5\u590d\u7528\u5df2\u5220\u9664\u5206\u7ec4\u7684GID\uff0c\u53ef\u80fd\u5bfc\u81f4\u65b0\u5206\u7ec4\u5305\u542b\u65e7\u5206\u7ec4\u7684\u77ed\u94fe\u63a5\uff08\u5c24\u5176\u662f\u672a\u5220\u9664\u7684\u77ed\u94fe\u63a5\uff09\u3002<br>\u98ce\u9669\u573a\u666f \uff1a<br>\u5206\u7ec4A\uff08GID=abc123\uff09\u88ab\u8f6f\u5220\u9664\uff0c\u5176\u77ed\u94fe\u63a5\u672a\u6e05\u7406\u3002<br>\u65b0\u5efa\u5206\u7ec4B\uff0cGID\u6070\u597d\u4e5f\u4e3aabc123\u3002<br>\u67e5\u8be2\u5206\u7ec4B\u65f6\uff0c\u77ed\u94fe\u63a5\u5217\u8868\u4e2d\u5305\u542b\u5206\u7ec4A\u7684\u77ed\u94fe\u63a5\uff08\u56e0GID\u76f8\u540c\u4e14\u672a\u5220\u9664\uff09\u3002<br>\u4fee\u590d\u65b9\u6848 \uff1a<\/p>\n\n\n\n<p>GID\u5168\u5c40\u552f\u4e00\u6027\u6821\u9a8c \uff1a<br>\u5728\u751f\u6210GID\u65f6\uff0c\u68c0\u67e5\u6570\u636e\u5e93\u4e2d\u662f\u5426\u5df2\u5b58\u5728\u76f8\u540cGID\uff08\u5305\u62ec\u5df2\u5220\u9664\u7684\u8bb0\u5f55\uff09\uff0c\u907f\u514d\u590d\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>String newGid;\ndo {\n&nbsp; &nbsp; newGid = RandomGenerator.generateRandom();\n} while (groupMapper.existsGid(newGid)); \/\/ \u81ea\u5b9a\u4e49\u65b9\u6cd5\u6821\u9a8cGID\u662f\u5426\u5df2\u5b58\u5728<\/code><\/pre>\n\n\n\n<p>\u903b\u8f91\u5220\u9664\u77ed\u94fe\u63a5 \uff1a<br>\u5728\u5220\u9664\u5206\u7ec4\u65f6\uff0c\u540c\u6b65\u8f6f\u5220\u9664\u5176\u5173\u8054\u7684\u77ed\u94fe\u63a5\uff08\u5982 del_flag = 1\uff09\uff0c\u786e\u4fdd\u65b0\u5206\u7ec4\u4e0d\u4f1a\u7ee7\u627f\u65e7\u6570\u636e\u3002<br>\u77ed\u94fe\u63a5\u5f52\u5c5e\u6821\u9a8c \uff1a<br>\u67e5\u8be2\u77ed\u94fe\u63a5\u65f6\uff0c\u5f3a\u5236\u6821\u9a8c\u5176\u5173\u8054\u7684\u5206\u7ec4\u72b6\u6001\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>LambdaQueryWrapper&lt;ShortLinkDO&gt; queryWrapper = Wrappers.lambdaQuery(ShortLinkDO.class)\n&nbsp; &nbsp; .eq(ShortLinkDO::getGroupId, gid)\n&nbsp; &nbsp; .eq(ShortLinkDO::getDelFlag, 0)\n&nbsp; &nbsp; .exists(GroupDO.class, groupWrapper -&gt; groupWrapper\n&nbsp; &nbsp; &nbsp; &nbsp; .eq(GroupDO::getGid, gid)\n&nbsp; &nbsp; &nbsp; &nbsp; .eq(GroupDO::getDelFlag, 0)); \/\/ \u786e\u4fdd\u5206\u7ec4\u672a\u88ab\u5220\u9664<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1\" height=\"1\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/06\/1749305675-image-2.gif\" alt=\"\" class=\"wp-image-1191\" title=\"\u70b9\u51fb\u5e76\u62d6\u62fd\u4ee5\u79fb\u52a8\"\/><\/figure>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u77ed\u94fe\u63a5\u5206\u7ec4\u6392\u5e8f\u529f\u80fd<\/h2>\n\n\n\n<p>\u6bd4\u5982\u7528\u6237\u5728\u524d\u6392\u62d6\u52a8\u4e86\u5206\u7ec4\u7684\u4f4d\u7f6e\uff0c\u4e5f\u5c31\u662f\u91cd\u65b0\u6392\u5e8f\uff0c\u90a3\u4e48\u524d\u7aef\u5c31\u5e94\u8be5\u4f20\u4e00\u4e2a\u987a\u5e8f\u8fc7\u6765\uff0c\u4e5f\u5c31\u662f\u8fd9\u4e2a\u63a5\u53e3\u8fdb\u884c\u4fee\u6539sortOrder\u5b57\u6bb5<\/p>\n\n\n\n<p>\u8ba9\u524d\u7aef\u628a\u6240\u6709\u7684\u77ed\u94fe\u63a5\u5206\u7ec4\u4f20\u8fc7\u6765\uff0c\u7136\u540e\u53bb\u628a\u5b83\u6392\u5e8f\u8fc7\u7684\u90a3\u4e2a\u5206\u7ec4\u7ed9\u6211\u4eec\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u5373\u53ef<\/p>\n\n\n\n<p>\u5728dto\u7684req\u4e2d\u65b0\u5efaShortLinkGroupSortReqDTO<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">package com.nageoffer.shortlink.admin.dto.req;\n\nimport lombok.Data;\n\n\/**\n * \u77ed\u94fe\u63a5\u5206\u7ec4\u6392\u5e8f\u53c2\u6570\n *\/\n@Data\npublic class ShortLinkGroupSortReqDTO {\n    \/**\n     * \u5206\u7ec4id\n     *\/\n    private String gid;\n    \/**\n     * \u6392\u5e8f\n     *\/\n    private Integer sortOrder;\n}\n<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">    \/**\n     * \u6392\u5e8f\u77ed\u94fe\u63a5\u5206\u7ec4\n     * @param requestParam \u77ed\u94fe\u63a5\u5206\u7ec4\u6392\u5e8f\u6807\u8bc6\n     *\/\n    void sortGroup(List&lt;ShortLinkGroupSortReqDTO&gt; requestParam);\n<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">@Override\npublic void sortGroup(List&lt;ShortLinkGroupSortReqDTO&gt; requestParam)\n{\n    requestParam.forEach(each -&gt; {\n        GroupDO groupDO =GroupDO.builder()\n                .sortOrder(each.getSortOrder())\n                .build();\n        LambdaUpdateWrapper&lt;GroupDO&gt;updateWrapper = Wrappers.lambdaUpdate(GroupDO.class)\n                .eq(GroupDO::getUsername, UserContext.getUsername())\n                .eq(GroupDO::getGid, each.getGid())\n                .eq(GroupDO::getDelFlag, 0);\n        baseMapper.update(groupDO, updateWrapper);\n    });\n}<\/pre>\n\n\n\n<p>&nbsp;\u6211\u4eec\u5728\u6570\u636e\u5e93\u4e2d\u65b0\u5efa\u4e24\u4e2a\u6570\u636e<\/p>\n\n\n\n<p>1924109143078203393&nbsp;&nbsp; &nbsp;Vp1eSP&nbsp;&nbsp; &nbsp;\u4e54\u601d\u4f73&nbsp;&nbsp; &nbsp;markdown&nbsp;&nbsp; &nbsp;1&nbsp;&nbsp; &nbsp;2025-05-18 22:25:43&nbsp;&nbsp; &nbsp;2025-05-18 22:25:43&nbsp;&nbsp; &nbsp;0<br>1924109143078203390&nbsp;&nbsp; &nbsp;Vp1eSZ&nbsp;&nbsp; &nbsp;\u4e54\u601d\u4f73&nbsp;&nbsp; &nbsp;markdown&nbsp;&nbsp; &nbsp;1&nbsp;&nbsp; &nbsp;2025-05-18 22:25:43&nbsp;&nbsp; &nbsp;2025-05-18 22:25:43&nbsp;&nbsp; &nbsp;0<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"847\" width=\"1387\" src=\"https:\/\/i-blog.csdnimg.cn\/direct\/fe30d034f5304eb891b4880e6e35e12c.png\" alt=\"\"><\/p>\n\n\n\n<p>&nbsp;\u6211\u4eec\u8fd9\u4e2a\u53c2\u6570\u5c31\u8ba9\u524d\u7aef\u53bb\u8ddf\u6211\u4eec\u4f20\u5c31\u597d\u4e86\uff0c\u5c31\u5728\u524d\u7aef\u8fd9\u8fb9\u628a\u6392\u5e8fsortOrder\u5f04\u597d\uff0c\u628a\u53c2\u6570\u7ed9\u6211\u4eec\u4e00\u4e2a\u6570\u7ec4\u7684\u7136\u540e\u6211\u4eec\u628a\u8fd9\u4e9b\u5168\u90e8\u90fd\u7ed9\u5f53\u524d\u7528\u6237\u7684\u5168\u90e8\u590d\u5236\u5373\u53ef<\/p>\n\n\n\n<p>\u80fd\u5426\u6279\u91cf\u53bb\u505a\u5462\uff1f\uff1f\uff1f<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>1.<\/p>\n\n\n\n<p>\u5fc3\u6001\u8981\u597d\u6602\uff1amybatis-plus\u6709\u4e2alambdaupdate\u65b9\u6cd5\u53ef\u4ee5\u76f4\u63a5set sortOrder,\u611f\u89c9\u6ca1\u5fc5\u8981\u518d\u53bb\u5199wrapper\u548c\u6784\u9020\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61<\/p>\n\n\n\n<p>2024-02-03 12:08<\/p>\n\n\n\n<p>\u9a6c\u4e01&nbsp;\u56de\u590d&nbsp;\u5fc3\u6001\u8981\u597d\u6602\uff1a\u5982\u679c\u90fd\u80fd\u5b9e\u73b0\u7c7b\u4f3c\u7684\u6548\u679c\u7684\u8bdd\uff0c\u5b9e\u73b0\u8fc7\u7a0b\u53ef\u80fd\u6709\u591a\u4e2a\uff0c\u770b\u5927\u5bb6\u7684\u4e60\u60ef\u5c31\u597d<\/p>\n\n\n\n<p>2024-03-26 12:49<\/p>\n\n\n\n<p>\u4e0d\u4f1apop\u4e0d\u6539\u540d&nbsp;\u56de\u590d&nbsp;\u5fc3\u6001\u8981\u597d\u6602\uff1a\u611f\u8c22\u5206\u4eab\u601d\u8def\uff0c\u4ee3\u7801\u5982\u4e0b public void sortGroup(List&lt;ShortLinkGroupSortReqDTO&gt; requestParam) { requestParam.forEach(each -&gt; { LambdaUpdateWrapper&lt;GroupDO&gt; updateWrapper = Wrappers.lambdaUpdate(GroupDO.class) .set(GroupDO::getSortOrder, each.getSortOrder()) .eq(GroupDO::getGid, each.getGid()) .eq(GroupDO::getDelFlag, 0); update(updateWrapper); }); }<\/p>\n\n\n\n<p>2024-03-30 13:54<\/p>\n\n\n\n<p>lovqq&nbsp;\u56de\u590d&nbsp;\u5fc3\u6001\u8981\u597d\u6602\uff1a``` list.forEach(groupSortReqDto -&gt; lambdaUpdate() .set(Group::getSortOrder, groupSortReqDto.getSortOrder()) .eq(Group::getUsername, UserContext.getUsername()) .eq(Group::getDelFlag, 0) .eq(Group::getGid, groupSortReqDto.getGid()) .update()); ```<\/p>\n\n\n\n<p>2025-02-05 23:16<\/p>\n\n\n\n<p>\u964c\u6155\u8f9e&nbsp;\u56de\u590d&nbsp;\u5fc3\u6001\u8981\u597d\u6602\uff1a\u81ea\u52a8\u586b\u5145\u5b57\u6bb5\uff08\u5982 createTime, updateTime, createBy, updateBy \u7b49\uff09\u901a\u5e38\u4f9d\u8d56\u4e8e MetaObjectHandler \u63a5\u53e3\u6765\u8fdb\u884c\u7edf\u4e00\u5904\u7406\uff0c\u800c\u5b83\u7684\u89e6\u53d1\u673a\u5236\u53ea\u5728 BaseMapper \u7684 insert\/update \u65b9\u6cd5 \u4e2d\u81ea\u52a8\u542f\u7528\u3002 \u81ea\u52a8\u586b\u5145\u5b57\u6bb5\u7684\u673a\u5236\uff0c\u662f\u7531 MyBatis-Plus \u5185\u90e8\u62e6\u622a\u5668 \u5728\u6267\u884c BaseMapper.insert() \u548c BaseMapper.updateById() \u7b49\u65b9\u6cd5\u65f6\u89e6\u53d1\u7684\u3002 \u5982\u679c\u4f60\u8c03\u7528\u7684\u662f\u81ea\u5b9a\u4e49\u7684 IService.save() \u6216 update() \u65b9\u6cd5\uff0cMyBatis-Plus \u4f1a\u8fdb\u4e00\u6b65\u4f20\u9012\u7ed9 BaseMapper\uff0c\u6b64\u65f6\u4ecd\u80fd\u89e6\u53d1\u81ea\u52a8\u586b\u5145\u3002 \u4f46\u5982\u679c\u4f60\u5728 IService \u5b9e\u73b0\u7c7b\u4e2d\u4f7f\u7528\u4e86 \u81ea\u5b9a\u4e49 SQL\uff0c\u6216\u8005\u8c03\u7528\u7684\u662f \u975e MyBatis-Plus \u7684\u66f4\u65b0\u903b\u8f91\uff0c\u5c31\u4e0d\u4f1a\u89e6\u53d1\u81ea\u52a8\u586b\u5145\u673a\u5236\u3002 this.lambdaUpdate() .eq(...) .set(...) .update(); \/\/ \u274c \u6b64\u65b9\u6cd5\u6784\u5efa\u7684\u662f\u4e00\u4e2a UPDATE SQL\uff0c\u4e0d\u4f1a\u81ea\u52a8\u586b\u5145<\/p>\n\n\n\n<p>2.Wzzzzz.\ud83c\udf6b\uff1aDone\uff0c\u7a0d\u5fae\u4fee\u6539\u4e86\u4e0b\uff1a\/\/ list\u8f6c\u4e3amap Map&lt;String, Integer&gt; sortMap = linkGroupSortReqDTOS.stream() .collect(Collectors.toMap(ShortLinkGroupSortReqDTO::getGid, ShortLinkGroupSortReqDTO::getSortOrder)); \/\/ \u8fd9\u91cc\u67e5\u8be2\u4e00\u6b21\u662f\u4e3a\u4e86\u540e\u7eed\u6279\u91cf\u66f4\u65b0\u65f6\u80fd\u591f\u6839\u636eid\u8fdb\u884c\u5339\u914d\u66f4\u65b0 List&lt;GroupDO&gt; groupList = this.lambdaQuery().eq(GroupDO::getUsername, UserContext.getUsername()) .in(GroupDO::getGid, sortMap.keySet()) .eq(GroupDO::getDelFlag, 0) .list(); \/\/ \u4fee\u6539\u6392\u5e8f\u503c groupList.forEach(group -&gt; group.setSortOrder(sortMap.getOrDefault(group.getGid(), 0))); \/\/ \u6279\u91cf\u66f4\u65b0 this.updateBatchById(groupList);<\/p>\n\n\n\n<p>2025-02-07 17:28<\/p>\n\n\n\n<p>\u809a\u5706\u5706&nbsp;\u56de\u590d&nbsp;Wzzzzz.\ud83c\udf6b\uff1a\u6700\u540e\u4e00\u884c\u81ea\u8c03\u7528\u4f1a\u5bfc\u81f4\u4e8b\u52a1\u5931\u6548<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u95ee\u98981\uff1aMyBatis-Plus\u7684LambdaUpdateWrapper\u662f\u5426\u53ef\u76f4\u63a5\u8bbe\u7f6e\u5b57\u6bb5\u503c\uff1f<\/strong><\/h3>\n\n\n\n<p><strong>\u56de\u7b54\u6b63\u786e\u6027\uff1a\u2705 \u6b63\u786e\uff08\u9700\u6ce8\u610f\u81ea\u52a8\u586b\u5145\u903b\u8f91\uff09<\/strong><br><strong>\u5206\u6790 <\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u539f\u4ee3\u7801\u903b\u8f91 <\/strong>\uff1a <code>GroupDO groupDO = GroupDO.builder().sortOrder(each.getSortOrder()).build(); LambdaUpdateWrapper&lt;GroupDO> updateWrapper = Wrappers.lambdaUpdate(GroupDO.class) .eq(GroupDO::getUsername, UserContext.getUsername()) .eq(GroupDO::getGid, each.getGid()) .eq(GroupDO::getDelFlag, 0); baseMapper.update(groupDO, updateWrapper);<\/code><img loading=\"lazy\" decoding=\"async\" height=\"15\" width=\"15\" src=\"blob:https:\/\/eve2333.top\/da91b72d-d3c5-4af6-a664-78e2c6e1a521\"> \u8be5\u65b9\u5f0f\u901a\u8fc7\u6784\u9020 <code>GroupDO<\/code> \u5bf9\u8c61\u5e76\u4f20\u5165 <code>update()<\/code> \u65b9\u6cd5\uff0cMyBatis-Plus \u4f1a\u81ea\u52a8\u5c06\u975e\u7a7a\u5b57\u6bb5\u66f4\u65b0\u5230\u6570\u636e\u5e93\u3002<\/li>\n\n\n\n<li><strong>\u4f18\u5316\u65b9\u6848 <\/strong>\uff1a <code>this.lambdaUpdate() .set(Group::getSortOrder, groupSortReqDto.getSortOrder()) .eq(Group::getGid, groupSortReqDto.getGid()) .eq(Group::getUsername, UserContext.getUsername()) .eq(Group::getDelFlag, 0) .update();<\/code><img loading=\"lazy\" decoding=\"async\" height=\"15\" width=\"15\" src=\"blob:https:\/\/eve2333.top\/6969f3a4-02df-4d41-9161-4bee46af4a2e\">\n<ul class=\"wp-block-list\">\n<li><strong>\u4f18\u70b9 <\/strong>\uff1a\u65e0\u9700\u6784\u9020 <code>GroupDO<\/code> \u5bf9\u8c61\uff0c\u4ee3\u7801\u66f4\u7b80\u6d01\u3002<\/li>\n\n\n\n<li><strong>\u6ce8\u610f\u4e8b\u9879 <\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u81ea\u52a8\u586b\u5145\u5b57\u6bb5\u5931\u6548 <\/strong>\uff1a\u82e5 <code>sortOrder<\/code> \u66f4\u65b0\u4f9d\u8d56 <code>MetaObjectHandler<\/code> \u7684\u81ea\u52a8\u586b\u5145\u903b\u8f91\uff08\u5982 <code>@TableField(fill = FieldFill.INSERT_UPDATE)<\/code>\uff09\uff0c\u6b64\u65b9\u5f0f\u4e0d\u4f1a\u89e6\u53d1\u81ea\u52a8\u586b\u5145\u3002<\/li>\n\n\n\n<li><strong>\u6027\u80fd\u5dee\u5f02 <\/strong>\uff1a\u4e24\u79cd\u65b9\u5f0f\u751f\u6210\u7684 SQL \u8bed\u53e5\u76f8\u540c\uff0c\u6027\u80fd\u65e0\u663e\u8457\u5dee\u5f02\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>\u7ed3\u8bba <\/strong>\uff1a\u4e24\u79cd\u65b9\u5f0f\u5747\u6b63\u786e\uff0c\u4f46\u9700\u6839\u636e\u662f\u5426\u4f9d\u8d56\u81ea\u52a8\u586b\u5145\u903b\u8f91\u9009\u62e9\u5408\u9002\u65b9\u6848\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u95ee\u98982\uff1a\u6279\u91cf\u66f4\u65b0\u65f6\u7684\u4e8b\u52a1\u7ba1\u7406\u662f\u5426\u5931\u6548\uff1f<\/strong><\/h3>\n\n\n\n<p><strong>\u56de\u7b54\u6b63\u786e\u6027\uff1a\u2705 \u6b63\u786e\uff08\u4e8b\u52a1\u5931\u6548\u98ce\u9669\u5b58\u5728\uff09<\/strong><br><strong>\u5206\u6790 <\/strong>\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u4f18\u5316\u4ee3\u7801\u903b\u8f91<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ 1. \u8f6c\u6362\u4e3a Map\nMap&lt;String, Integer&gt; sortMap = linkGroupSortReqDTOS.stream()\n    .collect(Collectors.toMap(ShortLinkGroupSortReqDTO::getGid, ShortLinkGroupSortReqDTO::getSortOrder));\n\n\/\/ 2. \u67e5\u8be2\u6240\u6709\u76f8\u5173\u5206\u7ec4\nList&lt;GroupDO&gt; groupList = this.lambdaQuery()\n    .eq(GroupDO::getUsername, UserContext.getUsername())\n    .in(GroupDO::getGid, sortMap.keySet())\n    .eq(GroupDO::getDelFlag, 0)\n    .list();\n\n\/\/ 3. \u66f4\u65b0\u6392\u5e8f\u503c\ngroupList.forEach(group -&gt; group.setSortOrder(sortMap.getOrDefault(group.getGid(), 0)));\n\n\/\/ 4. \u6279\u91cf\u66f4\u65b0\nthis.updateBatchById(groupList);<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u4e8b\u52a1\u5931\u6548\u98ce\u9669<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u539f\u56e0 <\/strong>\uff1a\u82e5 <code>updateBatchById<\/code> \u662f\u81ea\u5b9a\u4e49\u65b9\u6cd5\u4e14\u5728\u540c\u4e00\u4e2a\u7c7b\u4e2d\u88ab\u76f4\u63a5\u8c03\u7528\uff08\u5982 <code>this.updateBatchById(...)<\/code>\uff09\uff0cSpring \u7684\u4e8b\u52a1\u4ee3\u7406\uff08\u57fa\u4e8e AOP\uff09\u4e0d\u4f1a\u751f\u6548\u3002<\/li>\n\n\n\n<li><strong>\u89e3\u51b3\u65b9\u6848 <\/strong>\uff1a\n<ol class=\"wp-block-list\">\n<li><strong>\u6ce8\u5165\u81ea\u8eab Bean <\/strong>\uff1a <code>@Autowired private GroupService groupService; groupService.updateBatchById(groupList); \/\/ \u901a\u8fc7\u4ee3\u7406\u5bf9\u8c61\u8c03\u7528<\/code><img loading=\"lazy\" decoding=\"async\" height=\"15\" width=\"15\" src=\"blob:https:\/\/eve2333.top\/b5c9d892-1afe-47b1-82a6-b7ffc2833e8b\"><\/li>\n\n\n\n<li><strong>\u4f7f\u7528 AopContext <\/strong>\uff1a <code>((GroupService) AopContext.currentProxy()).updateBatchById(groupList);<\/code><img loading=\"lazy\" decoding=\"async\" height=\"15\" width=\"15\" src=\"blob:https:\/\/eve2333.top\/75f0572a-ace4-422f-91d2-dbf387e25ca5\"><\/li>\n\n\n\n<li><strong>\u4e8b\u52a1\u6ce8\u89e3\u6dfb\u52a0\u5230\u65b9\u6cd5 <\/strong>\uff1a\u786e\u4fdd <code>updateBatchById<\/code> \u65b9\u6cd5\u672c\u8eab\u5e26\u6709 <code>@Transactional<\/code> \u6ce8\u89e3\uff0c\u5e76\u5728 Spring \u914d\u7f6e\u4e2d\u542f\u7528\u4e8b\u52a1\u7ba1\u7406\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>\u7ed3\u8bba <\/strong>\uff1a\u809a\u5706\u5706\u7684\u56de\u590d\u6b63\u786e\uff0c\u81ea\u8c03\u7528\u786e\u5b9e\u4f1a\u5bfc\u81f4\u4e8b\u52a1\u5931\u6548\uff0c\u9700\u901a\u8fc7\u4ee3\u7406\u5bf9\u8c61\u8c03\u7528\u4ee5\u786e\u4fdd\u4e8b\u52a1\u751f\u6548\u3002 \u200b<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp;\u77ed\u94fe\u63a5\u6a21\u5757\u529f\u80fd\u5206\u6790 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