{"id":1032,"date":"2025-04-27T15:55:53","date_gmt":"2025-04-27T07:55:53","guid":{"rendered":"https:\/\/eve2333.top\/?p=1032"},"modified":"2025-04-27T16:32:49","modified_gmt":"2025-04-27T08:32:49","slug":"%e9%bb%91%e9%a9%ac%e7%82%b9%e8%af%84redis%e6%94%b9-part-6","status":"publish","type":"post","link":"https:\/\/eve2333.top\/?p=1032","title":{"rendered":"\u9ed1\u9a6c\u70b9\u8bc4redis\u6539 part 6"},"content":{"rendered":"\n<h2 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y\uff0c\u90a3\u5927\u5bb6\u4e00\u770b\u5c31\u77e5\u9053\u4e86\u554a\uff0c\u770b\u8fd9\u4e2a\u503c\u662f\u7ecf\u7eac\u5ea6\u7684\uff0c\u90a3\u8fd9\u4e2a\u7ecf\u7eac\u5ea6\u554a\u5c31\u662f\u5f53\u524d\u767b\u5f55\u8fd9\u4e2a\u7528\u6237\u4ed6\u7684\u4e00\u4e2a\u5750\u6807\uff0c\u5c06\u6765\u6211\u4eec\u8981\u641c\u7684\u5462\u5c31\u662f\u5b83\u9644\u8fd1\u7684\u8fd9\u4e9b\u5546\u6237\uff0c\u6309\u7167\u8ddd\u79bb\u53bb\u505a\u4e2a\u6392\u5e8f\u3002\u90a3\u8fd9\u4e2a\u7528\u6237\u7684\u5750\u6807\u54ea\u513f\u6765\u7684\u5462\uff1f\u5982\u679c\u662f\u5728\u771f\u5b9e\u7684\u6848\u4f8b\u5f53\u4e2d\uff0c\u80af\u5b9a\u662f\u7531\u54b1\u4eec\u7684app\u4ece\u540e\u53f0\u83b7\u53d6\uff0c\u5f53\u524d\u7684\u8fd9\u4e2a\u624b\u673a\u6240\u5728\u7684\u4f4d\u7f6e\u554a\uff0c\u54b1\u4eec\u8fd9\u513f\u5462\u5c31\u76f4\u63a5\u5728\u524d\u53f0\u5199\u6b7b\u4e86\u597d\u3002<\/p>\n\n\n\n<p>\u90a3\u4e48\u6211\u4eec\u62ff\u5230\u8fd9\u4e9b\u4fe1\u606f\u4e86\u4ee5\u540e\u4f20\u5230\u540e\u53f0\u4e86\uff0c\u90a3\u540e\u53f0\u5c31\u53ef\u4ee5\u6839\u636e`typeId`\u505a\u8fc7\u6ee4\uff0c\u53bb\u641c\u7d22\u5230\u76f8\u540c\u7c7b\u578b\u7684\u8fd9\u4e9b\u5546\u5bb6\uff0c\u7136\u540e\u518d\u5229\u7528current\u9875\u7801\u53bb\u505a\u5206\u9875\uff0c\u518d\u5229\u7528\u8fd9\u79cd\u7ecf\u7eac\u5ea6\u53bb\u505a\u4e00\u4e2a\u6392\u5e8f\u5c31\u884c\u4e86\u3002\u6700\u540e\u5462\u8fd4\u56de\u7684\u81ea\u7136\u5c31\u662f\u67e5\u8be2\u5230\u7684\u6240\u6709\u5546\u5bb6\uff0c\u5f62\u6210\u7684\u4e00\u4e2a\u96c6\u5408\u4e86\u554a\u3002\u90a3\u5230\u8fd9\u91cc\u5462\uff0c\u8fd9\u4e2a\u63a5\u53e3\u7684\u5206\u6790\u5c31\u5b8c\u6210\u4e86\u3002\u4f46\u662f\u6211\u4eec\u522b\u7740\u6025\u554a\uff0c\u53bb\u5b9e\u73b0\u8fd9\u4e2a\u63a5\u53e3\u554a\uff0c\u540c\u5b66\u4eec\u60f3\u60f3\u770b\uff0c\u73b0\u5728\u6211\u4eec\u7684\u5546\u5bb6\u7684\u4fe1\u606f\u90fd\u4fdd\u5b58\u5728\u54ea\u91cc\uff1f\u54ce\uff0c\u662f\u4e0d\u662f\u4fdd\u5b58\u5728\u6570\u636e\u5e93\u554a\uff1f\u90a3\u6211\u4eec\u53ef\u4ee5\u6765\u770b\u4e00\u4e0b\uff0c\u6211\u4eec\u6253\u5f00\u6570\u636e\u5e93\uff0c\u5728\u8fd9\u91cc\u554a\uff0c`tb_shop`\uff0c\u5c31\u662f\u6211\u4eec\u7684\u5546\u6237\u8868\u4e86\u3002\u90a3\u8fd9\u5f20\u8868\u91cc\u9762\u5462\u6709\u5f88\u591a\u7684\u5b57\u6bb5\u554a\uff0c\u5176\u4e2d\u6709\u4e00\u4e2a\u5c31\u662f`typeId`\u4ee3\u8868\u7684\u662f\u5e97\u94fa\u7684\u7c7b\u578b\u3002\u5728\u8fd9\u91cc\u8fb9\u5462\u6211\u4eec\u73b0\u5728\u6570\u636e\u91cf\u5e76\u4e0d\u591a\u554a\uff0c\u5176\u4e2d\u5462\u4ed6\u628aid\u4e3a\u4e00\u7684\uff0c\u5c31\u662f\u6240\u6709\u7684\u7f8e\u98df\u6709\u5173\u7684\u5e97\u94fa\u554a\uff0c\u4ed6\u628aid\u4e3a\u4e8c\u7684\u5c31\u662f\u6240\u6709KTV\u6709\u5173\u7684<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"374\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742660-image-1024x374.png\" alt=\"\" class=\"wp-image-1038\" srcset=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742660-image-1024x374.png 1024w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742660-image-300x110.png 300w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742660-image-768x281.png 768w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742660-image.png 1524w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u90a3\u73b0\u5728\u8fd9\u4e2a\u63a5\u53e3\u600e\u4e48\u662f\u9a8c\u8bc1\u7684\uff0c\u5c31\u662f\u524d\u7aef\u53d1\u8fc7\u6765\u7684`typeId`\uff0c\u4ed6\u4f1a\u6765\u8fd9\u57fa\u4e8e`typeId`\u505a\u8fc7\u6ee4\uff0c\u7136\u540e\u5462\u627e\u5230\u5bf9\u5e94\u7684\u5e97\u94fa\uff0c\u7136\u540e\u505a\u5206\u9875\u8fd4\u56de\u5230\u524d\u7aef\u3002\u4e0d\u8fc7\u6211\u4eec\u5c06\u6765\u8981\u5b9e\u73b0\u7684\u5440\uff0c\u9664\u4e86\u6839\u636e`typeId`\u8fc7\u6ee4\u4ee5\u5916\uff0c\u662f\u4e0d\u662f\u8fd8\u8981\u6309\u7167\u5730\u7406\u5750\u6807\u53bb\u641c\u7d22\u9644\u8fd1\u7684\u5546\u5bb6\u5440\uff0c\u5509\u8fd8\u8981\u6309\u8ddd\u79bb\u6392\u5e8f\u3002\u90a3\u8fd9\u6837\u7684\u529f\u80fd\u5728\u6211\u4eec\u7684\u6570\u636e\u5e93\u91cc\u80fd\u5b9e\u73b0\u5417\uff1f\u5509\u663e\u7136\u4e0d\u80fd\u554a\u3002\u90a3\u8981\u60f3\u5b9e\u73b0\u6211\u4eec\u5fc5\u987b\u5e72\u561b\uff0c\u6211\u4eec\u5fc5\u987b\u8981\u628a\u5e97\u94fa\u5f53\u4e2d\u7684\u8fd9\u4e9b\u7ecf\u7eac\u5ea6\u5750\u6807\u554a\u7b49\u7b49\u4fe1\u606f\u5bfc\u5165\u5230Redis\u5f53\u4e2d\u7684Geo\u7c7b\u578b\u7684\u6570\u636e\u7ed3\u6784\u5f53\u4e2d\u3002\u4e0d\u8fc7\u5440\u8fd9\u91cc\u6709\u4e00\u70b9\u9700\u8981\u6ce8\u610f\u554a\uff0c\u6211\u4eec\u7684Geo\u7c7b\u578b\u4ed6\u5728\u5b58\u50a8\u7684\u65f6\u5019\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u8bb0\u4e0d\u8bb0\u5f97\u5b83\u91cc\u8fb9\u7684\u53c2\u6570\u5462\uff0c\u5176\u5b9e\u4e3b\u8981\u5c31\u662f\u4e00\u4e2amember\uff0c\u4e00\u4e2a\u7ecf\u5ea6\u548c\u4e00\u4e2a\u7eac\u5ea6\u3002\u7ecf\u7eac\u5ea6\u5bf9\u5e94\u5230\u6211\u4eec\u6570\u636e\u5e93\u8868\u91cc\u5c31\u662fxy\uff0c\u800cmember\u6211\u4eec\u5b58\u4ec0\u4e48\u5462\uff0c\u662f\u4e0d\u662f\u628a\u6574\u4e2a\u5e97\u94fa\u7684\u4fe1\u606f\u90fd\u585e\u5230\u90a3\u4e2amember\u91cc\u53bb\u5462\uff0c\u663e\u7136\u4e0d\u5408\u9002\u5427\u3002\u90a3Redis\u6bd5\u7adf\u662f\u5185\u5b58\u5b58\u50a8\u554a\uff0c\u5b83\u7684\u7a7a\u95f4\u5360\u7528\u4e86\u592a\u591a\u4e86\u4e5f\u4e0d\u592a\u597d\u3002\u6240\u4ee5\u8bf4\u5462\u5728\u8fd9\u4e2a\u5730\u65b9\u6211\u7684\u5efa\u8bae\u662f\u554a\uff0c\u8fd9\u4e2amember\u554a\uff0c\u6211\u4eec\u76f4\u63a5\u5b58\u4e00\u4e2a\u5e97\u94fa\u7684id\u5c31\u53ef\u4ee5\u4e86\u3002\u4e5f\u5c31\u662f\u8bf4\u6211\u4eec\u5c06\u6765\u628a\u8fd9\u4e9b\u6570\u636e\u5bfc\u5165list\u7684\u65f6\u5019\uff0c\u5b58\u5e97\u94faid\u548c\u7ecf\u7eac\u5ea6\u5750\u6807\uff0c\u5c06\u6765\u6211\u4eec\u8981\u53bb\u641c\u7d22\u9644\u8fd1\u5e97\u94fa\u7684\u65f6\u5019\uff0c\u6839\u636e\u7ecf\u7eac\u5ea6\u5750\u6807\u53bb\u8fdb\u884c\u7b5b\u9009\uff0c\u7b5b\u9009\u4ee5\u540e\u5f97\u5230\u7684\u662f\u4ec0\u4e48\uff0c\u7136\u540e\u6211\u4eec\u518d\u62ffid\u6765\u6570\u636e\u5e93\u91cc\uff0c\u6839\u636eid\u67e5\u6211\u4eec\u7684\u6570\u636e\u5e93\u6548\u7387\u4e0a\u8fd8\u662f\u53ef\u4ee5\u63a5\u53d7\u7684\uff0c\u5bf9\u4e0d\u5bf9\uff1f\u5509\u8fd9\u662f\u6211\u4eec\u5c06\u6765\u5b9e\u73b0\u7684\u4e00\u4e2a\u601d\u8def\u554a\u3002\u4f46\u662f\u4e8b\u60c5\u5230\u8fd9\u8fd8\u6ca1\u5b8c\u554a\uff0c\u8fd9\u91cc\u554a\u8fd8\u6709\u4e00\u4e2a\u95ee\u9898\u9700\u8981\u6211\u4eec\u53bb\u5206\u6790\uff0c\u6211\u4eec\u56de\u5230PPT\u770b\u4e00\u4e0b\uff0c\u5927\u5bb6\u522b\u5fd8\u4e86\u8fd9\u91cc\u6211\u4eec\u7684\u641c\u7d22\u6709\u4e00\u4e2a\u9650\u5236\u6761\u4ef6\uff0c\u5c31\u662f\u8981\u6839\u636e\u7c7b\u578bid\u505a\u8fc7\u6ee4\uff0c\u4f60\u8981\u77e5\u9053\u6211\u4eec\u521a\u624d\u5546\u91cf\u4e86\uff0c\u6211\u4eec\u5b58\u5230Redis\u91cc\u9762\u7684\u4ec5\u4ec5\u662f\u5750\u6807\uff0c\u8fd8\u6709\u5e97\u94fa\u7684id\uff0c\u6839\u672c\u5c31\u6ca1\u6709\u7c7b\u578bid\uff0c\u6240\u4ee5\u4f60\u80fd\u8fc7\u6ee4\u5417\uff1f\u8fc7\u6ee4\u4e0d\u4e86\u3002<\/p>\n\n\n\n<p>\u9644\u8fd1\u5546\u6237\u641c\u7d22<br>\u6309\u7167\u5546\u6237\u7c7b\u578b\u505a\u5206\u7ec4\uff0c\u7c7b\u578b\u76f8\u540c\u7684\u5546\u6237\u4f5c\u4e3a\u540c\u4e00\u7ec4\uff0c\u4ee5typeld\u4e3akey\u5b58\u5165\u540c\u4e00\u4e2aGEO\u96c6\u5408\u4e2d\u5373\u53ef&nbsp;&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"649\" height=\"356\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742667-image.png\" alt=\"\" class=\"wp-image-1039\" srcset=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742667-image.png 649w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742667-image-300x165.png 300w\" sizes=\"auto, (max-width: 649px) 100vw, 649px\" \/><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>@Test\nvoid loadShopData(){\n    \/\/ 1. \u67e5\u8be2\u6240\u6709\u5e97\u94fa\u4fe1\u606f\uff08\u82e5\u6570\u636e\u91cf\u5927\u53ef\u5206\u6279\u67e5\u8be2\uff0c\u6b64\u5904\u56e0\u6570\u636e\u91cf\u5c0f\u76f4\u63a5\u67e5\u8be2\u5168\u90e8\uff09\n    List&lt;Shop> list = shopService.list();\n    \n    \/\/ 2. \u6309\u7c7b\u578bID\u5206\u7ec4\uff0c\u4f7f\u7528Stream API\u4f18\u96c5\u5b9e\u73b0\u5206\u7ec4\u903b\u8f91\n    \/\/ key: \u5e97\u94fa\u7c7b\u578bID\uff0cvalue: \u540c\u7c7b\u578b\u5e97\u94fa\u96c6\u5408\n    Map&lt;Long, List&lt;Shop>> map = list.stream()\n        .collect(Collectors.groupingBy(Shop::getTypeId));\n    \n    \/\/ 3. \u5206\u6279\u5199\u5165Redis GEO\uff0c\u4f18\u5316\u7f51\u7edc\u5ef6\u8fdf\n    map.forEach((typeId, shops) -> {\n        \/\/ 3.1 \u521b\u5efaRedis GEO\u952e\uff0c\u683c\u5f0f\uff1ashop:geo:{typeId}\n        String key = \"shop:geo:\" + typeId;\n        \n        \/\/ 3.2 \u6784\u5efa\u5730\u7406\u4f4d\u7f6e\u96c6\u5408\uff0c\u6279\u91cf\u64cd\u4f5c\u63d0\u5347\u6548\u7387\n        List&lt;RedisGeoCommands.GeoLocation&lt;String>> locations = new ArrayList&lt;>(shops.size());\n        shops.forEach(shop -> {\n            \/\/ \u5c06\u5e97\u94faID\u4f5c\u4e3amember\uff0c\u7ecf\u7eac\u5ea6\u5c01\u88c5\u4e3aPoint\u5bf9\u8c61\n            locations.add(new RedisGeoCommands.GeoLocation&lt;>(\n                shop.getId().toString(), \n                new Point(shop.getX(), shop.getY())\n            ));\n        });\n        \n        \/\/ 3.3 \u6279\u91cf\u5199\u5165Redis\uff0c\u5355\u6b21\u8bf7\u6c42\u5b8c\u6210\u6240\u6709\u540c\u7c7b\u578b\u5e97\u94fa\u7684\u5730\u7406\u4f4d\u7f6e\u5b58\u50a8\n        \/\/ \u5bf9\u6bd4\u5355\u6761\u63d2\u5165\uff0c\u6279\u91cf\u64cd\u4f5c\u663e\u8457\u51cf\u5c11\u7f51\u7edc\u5f80\u8fd4\u65f6\u5ef6\n        stringRedisTemplate.opsForGeo().add(key, locations);\n    });\n}\n\/\/\u8fd0\u884ctest\uff0c\u53ef\u4ee5\u770b\u5230geo\u4e2d\u5b58\u57281\u548c2\uff0c\u5bf9\u5e94\u7684\u7c7b\u578b\u662f\u9910\u5385\u548cktv<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"445\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742673-image-1024x445.png\" alt=\"\" class=\"wp-image-1040\" srcset=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742673-image-1024x445.png 1024w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742673-image-300x130.png 300w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742673-image-768x334.png 768w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742673-image-1536x668.png 1536w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742673-image.png 1991w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>SpringDataRedis\u76842.3.9\u7248\u672c\u5e76\u4e0d\u652f\u6301Redis6.2\u63d0\u4f9b\u7684GEOSEARCH\u547d\u4ee4\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u63d0\u793a\u5176\u7248\u672c\uff0c\u4fee\u6539\u81ea\u5df1\u7684POM\u6587\u4ef6\uff0c\u5185\u5bb9\u5982\u4e0b\uff1a&nbsp;\u6309\u7167\u8001\u5e08\u89c6\u9891\u4e2d\u53ef\u4ee5\u6309\u7167mavenhelper\u63d2\u4ef6\uff0c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>    &lt;dependencies&gt;\n        &lt;dependency&gt;\n            &lt;groupId&gt;org.springframework.boot&lt;\/groupId&gt;\n            &lt;artifactId&gt;spring-boot-starter-data-redis&lt;\/artifactId&gt;\n            &lt;exclusions&gt;\n                &lt;exclusion&gt;\n                    &lt;artifactId&gt;lettuce-core&lt;\/artifactId&gt;\n                    &lt;groupId&gt;io.lettuce&lt;\/groupId&gt;\n                &lt;\/exclusion&gt;\n                &lt;exclusion&gt;\n                    &lt;artifactId&gt;spring-data-redis&lt;\/artifactId&gt;\n                    &lt;groupId&gt;org.springframework.data&lt;\/groupId&gt;\n                &lt;\/exclusion&gt;\n            &lt;\/exclusions&gt;\n        &lt;\/dependency&gt;\n        &lt;dependency&gt;\n            &lt;groupId&gt;org.springframework.data&lt;\/groupId&gt;\n            &lt;artifactId&gt;spring-data-redis&lt;\/artifactId&gt;\n            &lt;version&gt;2.6.2&lt;\/version&gt;\n        &lt;\/dependency&gt;\n        &lt;dependency&gt;\n            &lt;groupId&gt;io.lettuce&lt;\/groupId&gt;\n            &lt;artifactId&gt;lettuce-core&lt;\/artifactId&gt;\n            &lt;version&gt;6.1.6.RELEASE&lt;\/version&gt;\n        &lt;\/dependency&gt;<\/code><\/pre>\n\n\n\n<p>&nbsp;\u4fee\u6539shopcontroller\uff0cservice\u548cimpl<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>   @GetMapping(\"\/of\/type\")\n    public Result queryShopByType(\n            @RequestParam(\"typeId\") Integer typeId,\n            @RequestParam(value = \"current\", defaultValue = \"1\") Integer current,\n            @RequestParam(value = \"x\",required = false) Double x,\n            @RequestParam(value = \"y\",required = false) Double y\n    ) {\n        return shopService.queryShopByType(typeId,current,x,y);\n    }\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>    @Override\n    public Result queryShopByType(Integer typeId, Integer current, Double x, Double y) {\n        \/\/ 1. \u5224\u65ad\u662f\u5426\u9700\u8981\u6839\u636e\u5750\u6807\u67e5\u8be2\n        if (x == null || y == null) {\n            \/\/ \u4e0d\u9700\u8981\u5750\u6807\u67e5\u8be2\uff0c\u6309\u6570\u636e\u5e93\u67e5\u8be2\n            Page&lt;Shop&gt; page = query()\n                    .eq(\"type_id\", typeId)\n                    .page(new Page&lt;&gt;(current, SystemConstants.DEFAULT_PAGE_SIZE));\n            \/\/ \u8fd4\u56de\u6570\u636e\n            return Result.ok(page.getRecords());\n        }\n\n        \/\/ 2. \u8ba1\u7b97\u5206\u9875\u53c2\u6570\n        int from = (current - 1) * SystemConstants.DEFAULT_PAGE_SIZE;\n        int end = current * SystemConstants.DEFAULT_PAGE_SIZE;\n\n        \/\/ 3. \u67e5\u8be2redis\uff0c\u6309\u7167\u8ddd\u79bb\u6392\u5e8f\uff0c\u5206\u9875\u3002\u7ed3\u679c\uff1ashopId.distance\n        String key = SHOP_GEO_KEY + typeId;\n        GeoResults&lt;RedisGeoCommands.GeoLocation&lt;String&gt;&gt; results = stringRedisTemplate.opsForGeo() \/\/ GEOSEARCH key BYLONLAT x y BYRADIUS 10 WITHDISTANCE\n                .search(\n                        key,\n                        GeoReference.fromCoordinate(x, y),\n                        new Distance(5000),\n                        RedisGeoCommands.GeoSearchCommandArgs.newGeoSearchArgs().includeDistance().limit(end)\n                );\n        \/\/ 4. \u89e3\u6790\u51faid\n        if (results == null) {\n            return Result.ok(Collections.emptyList());\n        }\n        List&lt;GeoResult&lt;RedisGeoCommands.GeoLocation&lt;String&gt;&gt;&gt; list = results.getContent();\n        if (list.size() &lt;= from) {\n        \/\/\u6ca1\u6709\u4e0b\u4e00\u9875\u4e86\uff0c\u7ed3\u675f\n            return Result.ok(Collections.emptyList());\n        }\n        \/\/ 4.1. \u622a\u53d6 from ~ end \u7684\u90e8\u5206\n        Map&lt;String, Distance&gt; distanceMap = new HashMap&lt;&gt;(list.size());\n        List&lt;Long&gt; ids = new ArrayList&lt;&gt;(list.size());\n        list.stream().skip(from).forEach(result -&gt; {\n            \/\/ 4.2. \u83b7\u53d6\u5e97\u94faid\n            String shopIdStr = result.getContent().getName();\n            ids.add(Long.valueOf(shopIdStr));\n            \/\/ 4.3. \u83b7\u53d6\u8ddd\u79bb\n            Distance distance = result.getDistance();\n            distanceMap.put(shopIdStr, distance);\n        });\n        \/\/ 5. \u6839\u636eid\u67e5\u8be2Shop\n        String idStr = StrUtil.join(\",\", ids);\n        List&lt;Shop&gt; shops = query().in(\"id\", ids).last(\"ORDER BY FIELD(id,\" + idStr + \")\").list();\n        for(Shop shop:shops){\n            shop.setDistance(distanceMap.get(shop.getId().toString()).getValue());\n        }\n\n        return Result.ok(shops);\n    }<\/code><\/pre>\n\n\n\n<p>\u4e0d\u518d\u50cf\u539f\u6765\u90a3\u6837\u7b2c\u4e00\u4e2a\u662f101\u8336\u9910\u5385\u4e86\uff0c \u7b2c\u4e00\u4e2a\u662f\u70e4\u8089\u4e86\uff0c\u8ddd\u79bb170m\uff0c\u5f80\u4e0b\u6ed1\u4e5f\u4f1a\u51fa\u73b0\u5176\u4ed6\u7684\u9910\u5385<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"465\" height=\"571\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742707-image.png\" alt=\"\" class=\"wp-image-1042\" style=\"width:220px;height:auto\" srcset=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742707-image.png 465w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742707-image-244x300.png 244w\" sizes=\"auto, (max-width: 465px) 100vw, 465px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"514\" height=\"787\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742698-image.png\" alt=\"\" class=\"wp-image-1041\" style=\"width:203px;height:auto\" srcset=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742698-image.png 514w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742698-image-196x300.png 196w\" sizes=\"auto, (max-width: 514px) 100vw, 514px\" \/><\/figure>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5224\u65ad\u662f\u5426\u9700\u8981\u5730\u7406\u67e5\u8be2<\/strong><br>\u9996\u5148\u68c0\u67e5\u7528\u6237\u662f\u5426\u63d0\u4f9b\u4e86\u7ecf\u7eac\u5ea6\u53c2\u6570x\u548cy\u3002\u5982\u679c\u4efb\u610f\u4e00\u4e2a\u4e3a\u7a7a\uff0c\u8bf4\u660e\u4e0d\u9700\u8981\u5730\u7406\u8303\u56f4\u67e5\u8be2\uff0c\u76f4\u63a5\u6309\u4f20\u7edf\u65b9\u5f0f\u4ece\u6570\u636e\u5e93\u5206\u9875\u67e5\u8be2\u3002\u6839\u636e\u7c7b\u578bID\uff08typeId\uff09\u7b5b\u9009\u8bb0\u5f55\uff0c\u4f7f\u7528MyBatis-Plus\u7684\u5206\u9875\u529f\u80fd\uff0c\u6bcf\u9875\u5927\u5c0f\u91c7\u7528\u7cfb\u7edf\u5e38\u91cf\u9ed8\u8ba4\u503c\uff08\u59825\u6761\uff09\uff0c\u8fd4\u56de\u5f53\u524d\u9875\u7684\u5e97\u94fa\u6570\u636e\u3002<\/li>\n\n\n\n<li><strong>\u8ba1\u7b97\u5206\u9875\u8303\u56f4<\/strong><br>\u5f53\u9700\u8981\u5730\u7406\u67e5\u8be2\u65f6\uff0c\u6839\u636e\u5f53\u524d\u9875\u7801\uff08current\uff09\u548c\u56fa\u5b9a\u6bcf\u9875\u5927\u5c0f\uff08\u59825\u6761\uff09\uff0c\u8ba1\u7b97\u9700\u8981\u83b7\u53d6\u7684\u6570\u636e\u533a\u95f4\u3002\u4f8b\u5982\u7b2c1\u9875\u53d60-5\u6761\uff0c\u7b2c2\u9875\u53d65-10\u6761\u3002\u901a\u8fc7<code>(current-1)*pageSize<\/code>\u786e\u5b9a\u8d77\u59cb\u4f4d\u7f6e\uff0c<code>current*pageSize<\/code>\u786e\u5b9a\u7ed3\u675f\u4f4d\u7f6e\u3002<\/li>\n\n\n\n<li><strong>Redis\u5730\u7406\u641c\u7d22<\/strong><br>\u6784\u5efaRedis\u7684Geo\u67e5\u8be2\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528\u56fa\u5b9a\u524d\u7f00\uff08\u5982<code>shop:geo:<\/code>\uff09\u62fc\u63a5\u7c7b\u578bID\u4f5c\u4e3aRedis\u952e<\/li>\n\n\n\n<li>\u4ee5\u7528\u6237\u63d0\u4f9b\u7684\u7ecf\u7eac\u5ea6\uff08x,y\uff09\u4f5c\u4e3a\u5706\u5fc3<\/li>\n\n\n\n<li>\u8bbe\u7f6e\u534a\u5f84\u8303\u56f4\uff08\u59825000\u7c73\uff09<\/li>\n\n\n\n<li>\u8981\u6c42\u8fd4\u56de\u7ed3\u679c\u5305\u542b\u8ddd\u79bb\u4fe1\u606f<\/li>\n\n\n\n<li>\u901a\u8fc7limit\u53c2\u6570\u9650\u5236\u8fd4\u56de\u6570\u91cf\uff08\u53d6\u7ed3\u675f\u4f4d\u7f6e\u7684\u503c\uff0c\u5982\u7b2c2\u9875\u53d610\u6761\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u89e3\u6790\u641c\u7d22\u7ed3\u679c<\/strong><br>\u68c0\u67e5Redis\u8fd4\u56de\u7ed3\u679c\u662f\u5426\u4e3a\u7a7a\u3002\u82e5\u7ed3\u679c\u4e0d\u8db3\u4e00\u4e2a\u5b8c\u6574\u5206\u9875\uff08\u5982\u7b2c3\u9875\u53ea\u67092\u6761\u6570\u636e\u4f46\u8bf7\u6c425\u6761\uff09\uff0c\u76f4\u63a5\u8fd4\u56de\u7a7a\u5217\u8868\u3002\u5426\u5219\u904d\u5386\u7ed3\u679c\uff0c\u63d0\u53d6\u5e97\u94faID\u5e76\u8bb0\u5f55\u5bf9\u5e94\u7684\u8ddd\u79bb\u503c\uff0c\u540c\u65f6\u622a\u53d6\u5f53\u524d\u5206\u9875\u533a\u95f4\u7684\u6570\u636e\uff08\u5982\u7b2c2\u9875\u53d6\u7d22\u5f155\u523010\u7684\u6761\u76ee\uff09\u3002<\/li>\n\n\n\n<li><strong>\u6570\u636e\u5e93\u7cbe\u51c6\u67e5\u8be2<\/strong><br>\u6839\u636e\u63d0\u53d6\u7684\u5e97\u94faID\u96c6\u5408\uff0c\u4f7f\u7528SQL\u7684<code>IN<\/code>\u8bed\u53e5\u6279\u91cf\u67e5\u8be2\u6570\u636e\u5e93\u3002\u7279\u522b\u6dfb\u52a0<code>ORDER BY FIELD<\/code>\u8bed\u53e5\uff0c\u786e\u4fdd\u8fd4\u56de\u987a\u5e8f\u4e0eRedis\u5730\u7406\u641c\u7d22\u7ed3\u679c\u7684\u987a\u5e8f\u4e00\u81f4\uff0c\u907f\u514d\u6570\u636e\u9519\u4f4d\u3002<\/li>\n\n\n\n<li><strong>\u8865\u5145\u8ddd\u79bb\u4fe1\u606f<\/strong><br>\u5c06Redis\u83b7\u53d6\u7684\u8ddd\u79bb\u503c\u56de\u586b\u5230\u5e97\u94fa\u5bf9\u8c61\u4e2d\u3002\u904d\u5386\u6570\u636e\u5e93\u67e5\u8be2\u7ed3\u679c\uff0c\u6839\u636e\u6bcf\u4e2a\u5e97\u94fa\u7684ID\u4ece\u8ddd\u79bb\u6620\u5c04\u8868\u4e2d\u67e5\u627e\u5bf9\u5e94\u503c\uff0c\u8bbe\u7f6e\u5230\u5bf9\u8c61\u7684distance\u5c5e\u6027\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u5173\u952e\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Redis\u7684limit\u53c2\u6570\u9700\u8981\u53d6\u5206\u9875\u7ed3\u675f\u4f4d\u7f6e\u7684\u503c\uff08\u5982\u7b2c2\u9875\u53d610\uff09\uff0c\u56e0\u4e3aRedis\u4f1a\u8fd4\u56de\u4ece\u7b2c1\u6761\u5230\u7b2c10\u6761\u7684\u6570\u636e\uff0c\u540e\u7eed\u9700\u81ea\u884c\u622a\u53d65-10\u6761\u90e8\u5206<\/li>\n\n\n\n<li>\u6570\u636e\u5e93\u67e5\u8be2\u5fc5\u987b\u4f7f\u7528<code>ORDER BY FIELD<\/code>\u4fdd\u6301\u4e0eRedis\u7ed3\u679c\u987a\u5e8f\u4e00\u81f4<\/li>\n\n\n\n<li>\u8ddd\u79bb\u5355\u4f4d\u9700\u4e0eRedis\u5b58\u50a8\u65f6\u7684\u5355\u4f4d\uff08\u7c73\uff09\u4fdd\u6301\u4e00\u81f4<\/li>\n\n\n\n<li>\u9700\u8981\u5904\u7406\u8fb9\u754c\u60c5\u51b5\uff08\u5982\u6700\u540e\u4e00\u9875\u6570\u636e\u4e0d\u8db3\u3001\u65e0\u641c\u7d22\u7ed3\u679c\u7b49\uff09 if (list.size() &lt;= from) { \/\/\u6ca1\u6709\u4e0b\u4e00\u9875\u4e86\uff0c\u7ed3\u675f return Result.ok(Collections.emptyList()); }<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u7528\u6237\u7b7e\u5230&nbsp;<\/h2>\n\n\n\n<p>BitMap\u7528\u6cd5<br>\u5047\u5982\u6211\u4eec\u7528\u4e00\u5f20\u8868\u6765\u5b58\u50a8\u7528\u6237\u7b7e\u5230\u4fe1\u606f\uff0c\u5176\u7ed3\u6784\u5e94\u8be5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE TABLE `tb_sign` (\n  `id` bigint unsigned NOT NULL AUTO_INCREMENT COMMENT '\u4e3b\u952e',\n  `user_id` bigint unsigned NOT NULL COMMENT '\u7528\u6237id',\n  `year` year NOT NULL COMMENT '\u7b7e\u5230\u7684\u5e74',\n  `month` tinyint NOT NULL COMMENT '\u7b7e\u5230\u7684\u6708',\n  `date` date NOT NULL COMMENT '\u7b7e\u5230\u7684\u65e5\u671f',\n  `is_backup` tinyint unsigned DEFAULT NULL COMMENT '\u662f\u5426\u8865\u7b7e',\n  PRIMARY KEY (`id`) USING BTREE\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci ROW_FORMAT=COMPACT;<\/code><\/pre>\n\n\n\n<p>\u5047\u5982\u67091000\u4e07\u7528\u6237\uff0c\u5e73\u5747\u6bcf\u4eba\u6bcf\u5e74\u7b7e\u5230\u6b21\u6570\u4e3a10\u6b21\uff0c\u5219\u8fd9\u5f20\u8868\u4e00\u5e74\u7684\u6570\u636e\u91cf\u4e3a1\u4ebf\u6761<br>\u6bcf\u7b7e\u5230\u4e00\u6b21\u9700\u8981\u4f7f\u7528\uff088+8+1+1+3+1\uff09\u517122\u5b57\u8282\u7684\u5185\u5b58\uff0c\u4e00\u4e2a\u6708\u5219\u6700\u591a\u9700\u8981600\u591a\u5b57\u8282<\/p>\n\n\n\n<p>\u56e0\u6b64\u6a21\u62df\u7b7e\u5230\u5361\uff0cBitMap\u7528\u6cd5\uff0c\u6211\u4eec\u6309\u6708\u6765\u7edf\u8ba1\u7528\u6237\u7b7e\u5230\u4fe1\u606f\uff0c\u7b7e\u5230\u8bb0\u5f55\u4e3a1\uff0c\u672a\u7b7e\u5230\u5219\u8bb0\u5f55\u4e3a0.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"975\" height=\"213\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742723-image.png\" alt=\"\" class=\"wp-image-1044\" srcset=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742723-image.png 975w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742723-image-300x66.png 300w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742723-image-768x168.png 768w\" sizes=\"auto, (max-width: 975px) 100vw, 975px\" \/><\/figure>\n\n\n\n<p>\u628a\u6bcf\u4e00\u4e2abit\u4f4d\u5bf9\u5e94\u5f53\u6708\u7684\u6bcf\u4e00\u5929\uff0c\u5f62\u6210\u4e86\u6620\u5c04\u5173\u7cfb\u3002\u75280\u548c1\u6807\u793a\u4e1a\u52a1\u72b6\u6001\uff0c\u8fd9\u79cd\u601d\u8def\u5c31\u79f0\u4e3a\u4f4d\u56fe\uff08BitMap\uff09\u3002Redis\u4e2d\u662f\u5229\u7528string\u7c7b\u578b\u6570\u636e\u7ed3\u6784\u5b9e\u73b0BitMap\uff0c\u56e0\u6b64\u6700\u5927\u4e0a\u9650\u662f512M\uff0c\u8f6c\u6362\u4e3abit\u5219\u662f2^32\u4e2abit\u4f4d\u3002\uff08\u6709\u70b9\u50cf\u725b\u903c\u7684\u72b6\u6001\u538b\u7f29dp\uff09<\/p>\n\n\n\n<p>Redis\u4e2d\u662f\u5229\u7528string\u7c7b\u578b\u6570\u636e\u7ed3\u6784\u5b9e\u73b0BitMap\uff0c\u56e0\u6b64\u6700\u5927\u4e0a\u9650\u662f512M\uff0c\u8f6c\u6362\u4e3abit\u5219\u662f2^32\u4e2abit\u4f4d\u3002<\/p>\n\n\n\n<p>BitMap\u7684\u64cd\u4f5c\u547d\u4ee4\u6709\uff1a<br>SETBIT\uff1a\u5411\u6307\u5b9a\u4f4d\u7f6e\uff08offset\uff09\u5b58\u5165\u4e00\u4e2a0\u62161<br>GETBIT\uff1a\u83b7\u53d6\u6307\u5b9a\u4f4d\u7f6e\uff08offset\uff09\u7684bit\u503c<br>BITCOUNT\uff1a\u7edf\u8ba1BitMap\u4e2d\u503c\u4e3a1\u7684bit\u4f4d\u7684\u6570\u91cf<br>BITFIELD\uff1a\u64cd\u4f5c\uff08\u67e5\u8be2\u3001\u4fee\u6539\u3001\u81ea\u589e\uff09BitMap\u4e2dbit\u6570\u7ec4\u4e2d\u7684\u6307\u5b9a\u4f4d\u7f6e\uff08offset\uff09\u7684\u503c<br>BITFIELD_RO\uff1a\u83b7\u53d6BitMap\u4e2dbit\u6570\u7ec4\uff0c\u5e76\u4ee5\u5341\u8fdb\u5236\u5f62\u5f0f\u8fd4\u56de<br>BITOP\uff1a\u5c06\u591a\u4e2aBitMap\u7684\u7ed3\u679c\u505a\u4f4d\u8fd0\u7b97\uff08\u4e0e\u3001\u6216\u3001\u5f02\u6216\uff09<br>BITPOS\uff1a\u67e5\u627ebit\u6570\u7ec4\u4e2d\u6307\u5b9a\u8303\u56f4\u5185\u7b2c\u4e00\u4e2a0\u62161\u51fa\u73b0\u7684\u4f4d\u7f6e<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"463\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742729-image.png\" alt=\"\" class=\"wp-image-1045\" srcset=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742729-image.png 768w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742729-image-300x181.png 300w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<p>\u597d\u540c\u5b66\u4eec\uff0c\u5728\u521a\u624d\u6211\u4eec\u5df2\u7ecf\u719f\u6089\u4e86`bitmap`\u7684\u57fa\u672c\u7528\u6cd5\uff0c\u4e0b\u9762\u5462\u6211\u4eec\u5c31\u5229\u7528\u5b83\u6765\u5b9e\u73b0\u4e00\u4e0b\u7b7e\u5230\u7684\u529f\u80fd\u554a\u3002\u5728\u8fd9\u513f\u6211\u5df2\u7ecf\u628a\u9700\u6c42\u7ed9\u7f57\u5217\u51fa\u6765\u4e86\uff0c\u9700\u6c42\u8bf4\u8ba9\u6211\u4eec\u5b9e\u73b0\u7b7e\u5230\u7684\u63a5\u53e3\uff0c\u5c06\u5f53\u524d\u7528\u6237\u5f53\u5929\u7684\u7b7e\u5230\u4fe1\u606f\u4fdd\u5b58\u5230Redis\u5f53\u4e2d\u3002\u800c\u8fd9\u91cc\u8bf7\u6c42\u7684\u65b9\u5f0f\u5462\u7528\u4e86POST\u4ee3\u8868\u65b0\u589e\uff0c\u8bf7\u6c42\u7684\u8def\u5f84\u5462\u662f`\/user\/sign`\uff0c\u90a3\u4ee3\u8868\u5c31\u662f\u7b7e\u5230\u4e86\u554a\u3002\u8bf7\u6c42\u7684\u53c2\u6570\u662f\u6ca1\u6709\u8fd4\u56de\u503c\uff0c\u4ec0\u4e48\u53c2\u6570\u90fd\u6ca1\u6709\uff0c\u8ba9\u6211\u53bb\u7b7e\u5230\u3002\u5927\u5bb6\u5e94\u8be5\u8fd8\u8bb0\u5f97\u5427\uff0c\u6211\u4eec\u4e4b\u524d\u8bb2\u8fc7\u5b9e\u9a8c\u7b7e\u5230\uff0c\u6700\u7ec8\u683c\u5f0f\u662f\u4e0d\u662f\u8fd9\u6837\u5b50\u7684\uff0c\u6211\u4eec\u4f1a\u4e0e\u7528\u6237\u7ed3\u5408\u8fd9\u4e2a\u5e74\u548c\u6708\u4f5c\u4e3akey\uff0c\u56e0\u4e3a\u5462\u7b7e\u5230\u5f80\u5f80\u662f\u4ee5\u6708\u4e3a\u7edf\u8ba1\u5355\u4f4d\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u5e0c\u671b\u6bcf\u4e2a\u7528\u6237\u6bcf\u4e2a\u6708\u7684\u7b7e\u5230\u60c5\u51b5\uff0c\u653e\u5230\u4e00\u4e2abitmap\u91cc\uff0c\u65b9\u4fbf\u6211\u4eec\u5c06\u6765\u53bb\u505a\u7edf\u8ba1\u4e86\u3002\u6240\u4ee5\u5462\u6211\u4eec\u7684key\u5462\u5c31\u6709\u7528\u6237\u548c\u65e5\u671f\u554a\u4e24\u90e8\u5206\u7ec4\u6210\uff0c\u90a3\u8fd9\u6837\u4e00\u6765\u8981\u60f3\u5b9e\u73b0\u8fd9\u6837\u7684\u529f\u80fd\uff0c\u662f\u4e0d\u662f\u81f3\u5c11\u8981\u77e5\u9053\u7528\u6237\u4fe1\u606f\uff0c\u8fd8\u6709\u5e74\u548c\u6708\u7684\u4fe1\u606f\uff0c\u8fd8\u6709\u4f60\u8ba9\u6211\u7b7e\u5230\u7b7e\u7684\u662f\u7b2c\u51e0\u4e2a\u6bd4\u7279\u4f4d\u554a\uff0c\u662f\u4e0d\u662f\u8fd8\u5f97\u77e5\u9053\u5bf9\u5e94\u7684\u65e5\u671f\u4fe1\u606f\u554a\uff0c\u5e74\u6708\u65e5\u90fd\u5f97\u77e5\u9053\uff0c\u7ed3\u679c\u5462\u4f60\u73b0\u5728\u5565\u90fd\u4e0d\u7ed9\u6211\uff0c\u90a3\u6211\u600e\u4e48\u53bb\u5b9e\u73b0\u8fd9\u4e2a\u7b7e\u5230\u5509\uff0c\u4ed6\u8bf4\u4e86\uff0c\u662f\u5c06\u5f53\u524d\u7528\u6237\uff0c\u662f\u6211\u4eec\u767b\u5f55\u7684\u8fd9\u4e2a\u7528\u6237\uff0c\u5f53\u5929\uff0c\u5c31\u662f\u73b0\u5728\uff0c\u6240\u4ee5\u8ba9\u4ed6\u73b0\u5728\u65f6\u95f4\uff0c\u53ef\u4ee5\u7528\u4ee3\u7801\u76f4\u63a5\u83b7\u53d6\uff0c\u56e0\u6b64\u8fd9\u51e0\u4e2a\u4e1c\u897f\u90fd\u4e0d\u9700\u8981\u524d\u7aef\uff0c\u662f\u76f4\u63a5\u5c31\u641e\u5b9a\u4e86\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u554a\u7b7e\u5230\u529f\u80fd\u662f\u65e0\u53c2\u7684\uff0c\u90a3\u5c06\u6765\u5982\u679c\u4f60\u8981\u5b9e\u73b0\u4ec0\u4e48\u8865\u7b7e\u4e4b\u7c7b\u7684\uff0c\u4f60\u518d\u8ba9\u4ed6\u4f20\u65e5\u671f\u662f\u4e0d\u662f\u5c31ok\u4e86\u3002\u597d\uff0c\u8fd9\u662f\u6211\u4eec\u6574\u4e2a\u63a5\u53e3\u7684\u4e00\u4e9b\u8981\u6c42\u554a\uff0c\u90a3\u6211\u4eec\u4e4b\u524d\u8bb2\u7684\u65f6\u5019\uff0cbitmap\u8bb2\u7684\u662f\u547d\u4ee4\u554a\uff0c\u90a3\u73b0\u5728\u54b1\u4eec\u7528java\u4ee3\u7801\u5b9e\u73b0\u4e86\u5440\uff0c\u8fd9\u91cc\u5462\u6709\u4e00\u4e2a\u63d0\u793a\u544a\u8bc9\u6211\u4eec\u4e86\uff0c\u8bf4bitmap\u5e95\u5c42\u662fspring\u7c7b\u578b\u5b9e\u73b0\u7684\u554a\uff0c\u662f\u6211\u4eecredis\u91cc\u9762\u7684spring\u5b9e\u73b0\u7684\u554a\uff0c\u6240\u4ee5\u8bf4\u5462\u6211\u4eec\u7684spring\u5728\u505aapi\u5c01\u88c5\u7684\u65f6\u5019\uff0c\u628a\u5bf9\u4e8ebitmap\u7684\u64cd\u4f5c\u4e00\u8d77\u5c01\u88c5\u5230\u5b57\u7b26\u4e32\u91cc\u9762\u53bb\u4e86\uff0c\u90a3\u6211\u4eec\u77e5\u9053\u5728redis templating\uff0c\u5b83\u662f\u4e0d\u662f\u6709open for value ops for hash\u54c8\uff0c\u5e0cset\u5440\uff0c\u54ce\u4f46\u662f\u4ed6\u6ca1\u6709opposable bitmap\u554a\uff0c\u56e0\u4e3a\u5462\u76f8\u5173\u7684\u90fd\u5c01\u88c5\u5230\u4e86\u5b57\u7b26\u4e32\u64cd\u4f5c\u4e86\uff0c\u53eba value\uff0c\u56e0\u6b64\u8fd9\u91cc\u62ff\u7684\u662fvalue operation\uff0c\u6240\u4ee5\u6211\u4eec\u5c06\u6765\u64cd\u4f5c\u5e76web\u7684\u65f6\u5019\u4e00\u5b9a\u8981\u8bb0\u4f4f\u554a\uff0c\u62ff\u7684\u662fvalue\u76f8\u5173\u64cd\u4f5c\u5b57\u7b26\u4e32\u64cd\u4f5c\uff0c\u7136\u540e\u91cc\u9762\u63d0\u4f9b\u4e86set bit get bit field\u7684\u4e09\u4e2a\u51fd\u6570\uff0c\u90a3set bit\u662f\u4e0d\u662f\u5c31\u53ef\u4ee5\u5b9e\u73b0\u7b7e\u5230\u529f\u80fd\uff0c\u7136\u540e\u8fd9\u91cc\u7684\u4e09\u4e2a\u53c2\u6570\u5206\u522b\u5c31\u662f\u6211\u4eec\u7684key\uff0c\u7136\u540e\u6211\u4eec\u7684offset\uff0c\u7136\u540e\u5c31\u662ftrue\u548cfalse\u4ee3\u8868\u96f6\u548c\u4e00\u554a\uff0c\u5c31\u662fk\u662f\u8c01\u7ed9\u54ea\u4e00\u5929\u7b7e\u5230\u554a\uff0c\u7b7e\u7684\u662ftrue\u8fd8\u662ffalse\u3002<\/p>\n\n\n\n<p>&nbsp;UserController\u548cservice\u8fd8\u6709impl<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">@PostMapping(\"\/sign\")\npublic Result sign(){\n    return userService.sign();\n}<\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>    @Override\n    public Result sign() {\n        \/\/ 1. \u83b7\u53d6\u5f53\u524d\u767b\u5f55\u7528\u6237\n        Long userId = UserHolder.getUser().getId();\n        \/\/ 2. \u83b7\u53d6\u65e5\u671f\n        LocalDateTime now = LocalDateTime.now();\n        \/\/ 3. \u62fc\u63a5key\n        String keySuffix = now.format(DateTimeFormatter.ofPattern(\"yyyyMM\"));\n        String key = USER_SIGN_KEY + userId + keySuffix;\n        \/\/ 4. \u83b7\u53d6\u4eca\u5929\u662f\u672c\u6708\u7684\u7b2c\u51e0\u5929\n        int dayOfMonth = now.getDayOfMonth();\n        \/\/ 5. \u5199\u5165Redis SETBIT key offset 1\n        stringRedisTemplate.opsForValue().setBit(key, dayOfMonth - 1, true);\n        return Result.ok();\n    }<\/code><\/pre>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"15\" src=\"blob:https:\/\/eve2333.top\/644bf35b-0b1d-4cc9-b0b5-dab88264800a\" width=\"15\"><\/p>\n\n\n\n<p>\u6570\u636e\u5e93\u5e94\u8be5\u5b58\u4e00\u4efd\uff0c\u8fdf\u5230\u529f\u80fd\uff0c\u7b7e\u5230\u65f6\u95f4\u8fd8\u6ca1\u5b9e\u73b0\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"732\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742735-image-1024x732.png\" alt=\"\" class=\"wp-image-1046\" srcset=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742735-image-1024x732.png 1024w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742735-image-300x215.png 300w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742735-image-768x549.png 768w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742735-image.png 1141w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u6211\u4eec\u5728redis\u4e2d\u68c0\u9a8c\u4e00\u4e0b\uff0c \u6b63\u597d\u4eca\u5929\u662f4.27\u53f7\uff0c\u4e00\u4e2a\u5b57\u82828\u4f4d\uff0c\u56e0\u6b64\u4e3a\u4e86\u5b58\u50a8\u4e00\u517132\u4e2a\uff0c\u6240\u4ee5\u540e\u9762\u8fd8\u67095\u4e2a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"988\" height=\"392\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742742-image.png\" alt=\"\" class=\"wp-image-1047\" srcset=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742742-image.png 988w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742742-image-300x119.png 300w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742742-image-768x305.png 768w\" sizes=\"auto, (max-width: 988px) 100vw, 988px\" \/><\/figure>\n\n\n\n<p>&nbsp;&nbsp;\u95ee\u98981\uff1a\u4ec0\u4e48\u53eb\u505a\u8fde\u7eed\u7b7e\u5230\u5929\u6570\uff1f<br>\u4ece\u6700\u540e\u4e00\u6b21\u7b7e\u5230\u5f00\u59cb\u5411\u524d\u7edf\u8ba1\uff0c\u76f4\u5230\u9047\u5230\u7b2c\u4e00\u6b21\u672a\u7b7e\u5230\u4e3a\u6b62\uff0c\u8ba1\u7b97\u603b\u7684\u7b7e\u5230\u6b21\u6570\uff0c\u5c31\u662f\u8fde\u7eed\u7b7e\u5230\u5929\u6570\u3002<br>111000110110001011101111101111<\/p>\n\n\n\n<p>\u95ee\u98982\uff1a\u5982\u4f55\u5f97\u5230\u672c\u6708\u5230\u4eca\u5929\u4e3a\u6b62\u7684\u6240\u6709\u7b7e\u5230\u6570\u636e\uff1f<br>BITFIELD key GET u[dayOfMonth] 0<\/p>\n\n\n\n<p>\u95ee\u98983\uff1a\u5982\u4f55\u4ece\u540e\u5411\u524d\u904d\u5386\u6bcf\u4e2abit\u4f4d\uff1f<br>\u4e0e1\u505a\u4e0e\u8fd0\u7b97\uff0c\u5c31\u80fd\u5f97\u5230\u6700\u540e\u4e00\u4e2abit\u4f4d\u3002\u968f\u540e\u53f3\u79fb1\u4f4d\uff0c\u4e0b\u4e00\u4e2abit\u4f4d\u5c31\u6210\u4e3a\u4e86\u6700\u540e\u4e00\u4e2abit\u4f4d\u3002<\/p>\n\n\n\n<p>\u9700\u6c42\uff1a\u5b9e\u73b0\u4e0b\u9762\u63a5\u53e3\uff0c\u7edf\u8ba1\u5f53\u524d\u7528\u6237\u622a\u6b62\u5f53\u524d\u65f6\u95f4\u5728\u672c\u6708\u7684\u8fde\u7eed\u7b7e\u5230\u5929\u6570<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td>\u8bf4\u660e<\/td><\/tr><tr><td>\u8bf7\u6c42\u65b9\u5f0f<\/td><td>GET<\/td><\/tr><tr><td>\u8bf7\u6c42\u8def\u5f84<\/td><td>\/user\/sign\/count<\/td><\/tr><tr><td>\u8bf7\u6c42\u53c2\u6570<\/td><td>\u65e0<\/td><\/tr><tr><td>\u8fd4\u56de\u503c<\/td><td>\u8fde\u7eed\u7b7e\u5230\u5929\u6570<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u5b9e\u73b0\u4e00\u4e2a\u7b7e\u5230\u529f\u80fd\uff0c\u8be5\u529f\u80fd\u5c06\u5f53\u524d\u7528\u6237\u5f53\u5929\u7684\u7b7e\u5230\u4fe1\u606f\u4fdd\u5b58\u5230Redis\u4e2d\u3002\u8bf7\u6c42\u65b9\u5f0f\u4f7f\u7528POST\uff0c\u4ee3\u8868\u65b0\u589e\uff0c\u8bf7\u6c42\u8def\u5f84\u662f<code>\/user\/sign<\/code>\uff0c\u4ee3\u8868\u7b7e\u5230\u64cd\u4f5c\u3002\u8bf7\u6c42\u53c2\u6570\u6ca1\u6709\uff0c\u8fd4\u56de\u503c\u4e5f\u6ca1\u6709\uff0c\u610f\u5473\u7740\u8fd9\u4e2a\u63a5\u53e3\u662f\u65e0\u53c2\u7684\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u83b7\u53d6\u5f53\u524d\u767b\u5f55\u7528\u6237\u7684\u4fe1\u606f\u4ee5\u53ca\u5f53\u524d\u65e5\u671f\u6765\u5b9e\u73b0\u8fd9\u4e2a\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4e86\u89e3<code>bitmap<\/code>\u7684\u57fa\u672c\u7528\u6cd5\u3002\u5728Redis\u4e2d\uff0c<code>bitmap<\/code>\u53ef\u4ee5\u7528\u6765\u5b58\u50a8\u7b7e\u5230\u4fe1\u606f\u3002\u6211\u4eec\u5c06\u7528\u6237ID\u548c\u5e74\u6708\u4f5c\u4e3akey\uff0c\u56e0\u4e3a\u7b7e\u5230\u901a\u5e38\u4ee5\u6708\u4e3a\u7edf\u8ba1\u5355\u4f4d\uff0c\u6240\u4ee5\u6211\u4eec\u5e0c\u671b\u6bcf\u4e2a\u7528\u6237\u6bcf\u4e2a\u6708\u7684\u7b7e\u5230\u60c5\u51b5\u90fd\u653e\u5728\u4e00\u4e2a<code>bitmap<\/code>\u91cc\uff0c\u65b9\u4fbf\u5c06\u6765\u8fdb\u884c\u7edf\u8ba1\u3002<\/p>\n\n\n\n<p>\u8981\u5b9e\u73b0\u7b7e\u5230\u529f\u80fd\uff0c\u6211\u4eec\u9700\u8981\u77e5\u9053\u7528\u6237\u4fe1\u606f\u3001\u5e74\u548c\u6708\u7684\u4fe1\u606f\uff0c\u4ee5\u53ca\u5bf9\u5e94\u7684\u65e5\u671f\u4fe1\u606f\u3002\u8fd9\u4e9b\u4fe1\u606f\u90fd\u4e0d\u9700\u8981\u524d\u7aef\u4f20\u9012\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u5728\u540e\u7aef\u83b7\u53d6\u3002\u7b7e\u5230\u529f\u80fd\u662f\u65e0\u53c2\u7684\uff0c\u4f46\u5982\u679c\u672a\u6765\u9700\u8981\u5b9e\u73b0\u8865\u7b7e\u4e4b\u7c7b\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u8ba9\u7528\u6237\u4f20\u9012\u65e5\u671f\u53c2\u6570\u3002<\/p>\n\n\n\n<p>\u5728Redis\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<code>SETBIT<\/code>\u547d\u4ee4\u6765\u5b9e\u73b0\u7b7e\u5230\u529f\u80fd\uff0c\u5176\u4e2d\u4e09\u4e2a\u53c2\u6570\u5206\u522b\u662fkey\u3001offset\u548cvalue\u3002\u8fd9\u91cc\u7684key\u662f\u6211\u4eec\u7684<code>bitmap<\/code> key\uff0coffset\u662f\u504f\u79fb\u91cf\uff0cvalue\u662f\u7b7e\u5230\u72b6\u6001\uff080\u62161\uff09\u3002<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Java\u4ee3\u7801\u6765\u5b9e\u73b0\u8fd9\u4e2a\u7edf\u8ba1\u8fde\u7eed\u7b7e\u5230\u6b21\u6570\u7684\u529f\u80fd\u3002\u6211\u4eec\u9700\u8981\u4ece\u6700\u540e\u4e00\u6b21\u7b7e\u5230\u5f00\u59cb\u5411\u524d\u7edf\u8ba1\uff0c\u76f4\u5230\u9047\u5230\u7b2c\u4e00\u6b21\u672a\u7b7e\u5230\u4e3a\u6b62\uff0c\u7136\u540e\u8ba1\u7b97\u603b\u7684\u7b7e\u5230\u6b21\u6570\uff0c\u5373\u8fde\u7eed\u7b7e\u5230\u6b21\u6570\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b9e\u73b0\u8fd9\u4e2a\u529f\u80fd\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u83b7\u53d6\u5f53\u524d\u6708\u4efd\u6240\u6709\u7b7e\u5230\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u4ece\u6700\u540e\u4e00\u6b21\u7b7e\u5230\u5f00\u59cb\u5411\u524d\u7edf\u8ba1\uff0c\u76f4\u5230\u9047\u5230\u7b2c\u4e00\u6b21\u672a\u7b7e\u5230\u4e3a\u6b62\u3002<\/li>\n\n\n\n<li>\u8ba1\u7b97\u603b\u7684\u7b7e\u5230\u6b21\u6570\uff0c\u5373\u8fde\u7eed\u7b7e\u5230\u6b21\u6570\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u5728Java\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<code>for<\/code>\u5faa\u73af\u548c<code>if<\/code>\u8bed\u53e5\u6765\u5b9e\u73b0\u8fd9\u4e2a\u903b\u8f91\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u83b7\u53d6\u5f53\u524d\u7528\u6237\u5f53\u6708\u7684\u7b7e\u5230\u8bb0\u5f55\uff0c\u7136\u540e\u4ece\u6700\u540e\u4e00\u4e2a\u7b7e\u5230\u8bb0\u5f55\u5f00\u59cb\u5411\u524d\u904d\u5386\uff0c\u76f4\u5230\u9047\u5230\u672a\u7b7e\u5230\u7684\u8bb0\u5f55\u3002\u5728\u904d\u5386\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u4e00\u4e2a\u8ba1\u6570\u5668\u6765\u8bb0\u5f55\u7b7e\u5230\u6b21\u6570\uff0c\u6bcf\u9047\u5230\u4e00\u4e2a\u7b7e\u5230\u8bb0\u5f55\uff0c\u8ba1\u6570\u5668\u52a0\u4e00\uff0c\u76f4\u5230\u9047\u5230\u672a\u7b7e\u5230\u7684\u8bb0\u5f55\u4e3a\u6b62\u3002<\/p>\n\n\n\n<p>\u6700\u540e\uff0c\u6211\u4eec\u5c06\u8fd9\u4e2a\u8ba1\u6570\u5668\u7684\u503c\u8fd4\u56de\uff0c\u5b83\u5c31\u4ee3\u8868\u4e86\u7528\u6237\u5728\u672c\u6708\u7684\u8fde\u7eed\u7b7e\u5230\u5929\u6570\u3002&nbsp;<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>    @GetMapping(\"\/sign\/count\")\n    public Result signCount(){\n        return userService.signCount();\n    }<\/code><\/pre>\n\n\n\n<p>&nbsp;UserControl\u4fee\u6539\u5982\u4e0b\uff0c\u8fde\u5e26service\uff0cimpl\u4e00\u8d77<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>    @Override\n    public Result signCount() {\n        Long userId = UserHolder.getUser().getId();\n        LocalDateTime now = LocalDateTime.now();\n        String keySuffix = now.format(DateTimeFormatter.ofPattern(\"yyyyMM\"));\n        String key = USER_SIGN_KEY + userId + keySuffix;\n        int dayOfMonth = now.getDayOfMonth();\n        \/\/5\uff0c\u83b7\u53d6\u672c\u6708\u622a\u6b62\u4eca\u5929\u4e3a\u6b62\u7684\u6240\u6709\u7684\u7b7e\u5230\u8bb0\u5f55\uff0c\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u5341\u8fdb\u5236\u7684\u6570\u5b57 BITFIELD sign:5:202504 GET u14 0\n        List&lt;Long&gt;result =stringRedisTemplate.opsForValue().bitField(\n                key,\n                BitFieldSubCommands.create()\n                        .get(BitFieldSubCommands.BitFieldType.unsigned(dayOfMonth)).valueAt(0)\n        );\n        Long num =result.get(0);\n        if(result.isEmpty() || result ==null){\n            \/\/\u6ca1\u6709\u4efb\u4f55\u7b7e\u5230\n            return Result.ok(0);\n        }\n        \/\/6.\u5faa\u73af\u904d\u5386\n        int count=0;\n        while(true){\n            \/\/6.1.\u8ba9\u8fd9\u4e2a\u6570\u5b57\u4e0e1\u505a\u4e0e\u8fd0\u7b97\uff0c\u5f97\u5230\u6570\u5b57\u7684\u6700\u540e\u4e00\u4e2abit\u4f4d\n            if((num&amp;1) == 0){\n                \/\/\u5982\u679c\u4e3a0\uff0c\u8bf4\u660e\u672a\u7b7e\u5230\uff0c\u7ed3\u675f\n                \/\/\u5982\u679c\u4e0d\u4e3a0\uff0c\u8bf4\u660e\u5df2\u7b7e\u5230\uff0c\u8ba1\u6570\u5668+1\n                break;\n            }else{\n                count++;\n            }\n            \/\/\u628a\u6570\u5b57\u53f3\u79fb\u4e00\u4f4d\uff0c\u629b\u5f03\u6700\u540e\u4e00\u4e2abit\u4f4d\uff0c\u7ee7\u7eed\u4e0b\u4e00\u4e2abit\u4f4d\n            num &gt;&gt;&gt;= 1;\n        }\n        return Result.ok(count);\n    }<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u53ef\u5728Redis\u5ba2\u6237\u7aef\u4f7f\u7528<code>BITFIELD sign:5:202504 GET u14 0<\/code>\u9a8c\u8bc1\u6570\u636e<\/li>\n\n\n\n<li>\u4f7f\u7528<code>SETBIT sign:5:202504 0 1<\/code>\u6a21\u62df\u7b7e\u5230\u6570\u636e<\/li>\n\n\n\n<li>\u6ce8\u610f\u6708\u4efd\u5207\u6362\u65f6\u7684\u952e\u53d8\u5316\uff08\u59824\u6708-&gt;5\u6708\u4f1a\u751f\u6210\u65b0\u952e\uff09<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>@Override\npublic Result signCount() {\n    \/\/ \u83b7\u53d6\u5f53\u524d\u7528\u6237ID\uff08\u4ece\u7ebf\u7a0b\u4e0a\u4e0b\u6587\u83b7\u53d6\u767b\u5f55\u7528\u6237\u4fe1\u606f\uff09\n    Long userId = UserHolder.getUser().getId();\n    \n    \/\/ \u83b7\u53d6\u5f53\u524d\u65e5\u671f\u65f6\u95f4\n    LocalDateTime now = LocalDateTime.now();\n    \n    \/\/ \u751f\u6210Redis\u952e\u7684\u540e\u7f00\uff08\u683c\u5f0f\uff1ayyyyMM\uff0c\u4f8b\u5982\"202504\"\uff09\n    String keySuffix = now.format(DateTimeFormatter.ofPattern(\"yyyyMM\"));\n    \n    \/\/ \u6784\u5efa\u5b8c\u6574\u7684Redis\u952e\uff08\u683c\u5f0f\uff1asign:\u7528\u6237ID:yyyyMM\uff09\n    String key = USER_SIGN_KEY + userId + keySuffix;\n    \n    \/\/ \u83b7\u53d6\u5f53\u524d\u65e5\u671f\u662f\u672c\u6708\u7684\u7b2c\u51e0\u5929\uff08\u7528\u4e8e\u786e\u5b9a\u67e5\u8be2\u7684bit\u4f4d\u6570\uff09\n    int dayOfMonth = now.getDayOfMonth();\n\n    \/\/ \u4f7f\u7528Redis BitField\u547d\u4ee4\u83b7\u53d6\u672c\u6708\u622a\u6b62\u4eca\u5929\u7684\u7b7e\u5230\u8bb0\u5f55 &#91;&#91;7]]\n    List&lt;Long&gt; result = stringRedisTemplate.opsForValue().bitField(\n        key,\n        BitFieldSubCommands.create()\n            \/\/ \u5b9a\u4e49BITFIELD GET\u5b50\u547d\u4ee4\uff1a\u65e0\u7b26\u53f7\u6574\u6570\uff0c\u957f\u5ea6\u4e3a\u5f53\u524d\u65e5\u671f\u5929\u6570\uff0c\u4ece\u7b2c0\u4f4d\u5f00\u59cb\u8bfb\u53d6\n            .get(BitFieldSubCommands.BitFieldType.unsigned(dayOfMonth)).valueAt(0)\n    );\n\n    \/\/ \u5904\u7406Redis\u8fd4\u56de\u7ed3\u679c\u7684\u8fb9\u754c\u60c5\u51b5\n    if (result.isEmpty() || result.get(0) == null) {\n        return Result.ok(0); \/\/ \u65e0\u7b7e\u5230\u8bb0\u5f55\u65f6\u8fd4\u56de0\n    }\n    \n    \/\/ \u5c06\u7ed3\u679c\u8f6c\u6362\u4e3a\u4e8c\u8fdb\u5236\u5904\u7406\uff08\u6bcf\u4f4d\u4ee3\u8868\u4e00\u5929\u7684\u7b7e\u5230\u72b6\u6001\uff09\n    Long num = result.get(0);\n    int count = 0; \/\/ \u8ba1\u6570\u5668\uff1a\u8fde\u7eed\u7b7e\u5230\u5929\u6570\n\n    \/\/ \u901a\u8fc7\u4f4d\u8fd0\u7b97\u904d\u5386\u6bcf\u4e2abit\u4f4d\uff08\u4ece\u4f4e\u4f4d\u5230\u9ad8\u4f4d\u5bf9\u5e94\u4ece\u5f53\u67081\u53f7\u5230\u5f53\u524d\u65e5\u671f\uff09\n    while (true) {\n        \/\/ 1. \u68c0\u67e5\u6700\u4f4e\u4f4d\u662f\u5426\u4e3a1\uff08\u5df2\u7b7e\u5230\uff09 &#91;&#91;7]]\n        if ((num &amp; 1) == 0) {\n            break; \/\/ \u9047\u5230\u672a\u7b7e\u5230\u5929\uff080\uff09\u7ec8\u6b62\u5faa\u73af\n        }\n        count++; \/\/ \u7d2f\u8ba1\u8fde\u7eed\u7b7e\u5230\u5929\u6570\n        \n        \/\/ 2. \u53f3\u79fb\u4e00\u4f4d\u7ee7\u7eed\u68c0\u67e5\u4e0b\u4e00\u5929\uff08\u9ad8\u4f4d-&gt;\u4f4e\u4f4d\u79fb\u52a8\uff09&#91;&#91;7]]\n        num &gt;&gt;&gt;= 1;\n    }\n\n    return Result.ok(count); \/\/ \u8fd4\u56de\u8fde\u7eed\u7b7e\u5230\u5929\u6570\n}<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742757-image-1024x682.png\" alt=\"\" class=\"wp-image-1048\" srcset=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742757-image-1024x682.png 1024w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742757-image-300x200.png 300w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742757-image-768x512.png 768w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742757-image.png 1412w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u7b7e\u5230\u4e00\u5929\uff0c\u90a3\u4e48return 1\uff0c\u4f60\u53ef\u4ee5\u6539\u6539redis\uff0c\u81ea\u884c\u6d4b\u8bd5\u662f\u5426\u53ef\u4ee55\u5929\uff0c15\u5929&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">UV\u7edf\u8ba1<\/h2>\n\n\n\n<p>HyperLogLog\u7528\u6cd5<\/p>\n\n\n\n<p>\u9996\u5148\u6211\u4eec\u641e\u61c2\u4e24\u4e2a\u6982\u5ff5\uff1a<br>\u25cfUV\uff1a\u5168\u79f0UniqueVisitor\uff0c\u4e5f\u53eb\u72ec\u7acb\u8bbf\u5ba2\u91cf\uff0c\u662f\u6307\u901a\u8fc7\u4e92\u8054\u7f51\u8bbf\u95ee\u3001\u6d4f\u89c8\u8fd9\u4e2a\u7f51\u9875\u7684\u81ea\u7136\u4eba\u30021\u5929\u5185\u540c\u4e00\u4e2a\u7528\u6237\u591a\u6b21\u8bbf\u95ee\u8be5\u7f51\u7ad9\uff0c\u53ea\u8bb0\u5f551\u6b21\u3002<\/p>\n\n\n\n<p>\u25cfPV\uff1a\u5168\u79f0PageView\uff0c\u4e5f\u53eb\u9875\u9762\u8bbf\u95ee\u91cf\u6216\u70b9\u51fb\u91cf\uff0c\u7528\u6237\u6bcf\u8bbf\u95ee\u7f51\u7ad9\u7684\u4e00\u4e2a\u9875\u9762\uff0c\u8bb0\u5f551\u6b21PV\uff0c\u7528\u6237\u591a\u6b21\u6253\u5f00\u9875\u9762\uff0c\u5219\u8bb0\u5f55\u591a\u6b21PV\u3002\u5f80\u5f80\u7528\u6765\u8861\u91cf\u7f51\u7ad9\u7684\u6d41\u91cf\u3002&nbsp;<\/p>\n\n\n\n<p>&nbsp;UV\u7edf\u8ba1\u5728\u670d\u52a1\u7aef\u505a\u4f1a\u6bd4\u8f83\u9ebb\u70e6\uff0c\u56e0\u4e3a\u8981\u5224\u65ad\u8be5\u7528\u6237\u662f\u5426\u5df2\u7ecf\u7edf\u8ba1\u8fc7\u4e86\uff0c\u9700\u8981\u5c06\u7edf\u8ba1\u8fc7\u7684\u7528\u6237\u4fe1\u606f\u4fdd\u5b58\u3002\u4f46\u662f\u5982\u679c\u6bcf\u4e2a\u8bbf\u95ee\u7684\u7528\u6237\u90fd\u4fdd\u5b58\u5230Redis\u4e2d\uff0c\u6570\u636e\u91cf\u4f1a\u975e\u5e38\u6050\u6016\u3002<\/p>\n\n\n\n<p>&nbsp;Hyperloglog(HLL)\u662f\u4eceLoglog\u7b97\u6cd5\u6d3e\u751f\u7684\u6982\u7387\u7b97\u6cd5\uff0c\u7528\u4e8e\u786e\u5b9a\u975e\u5e38\u5927\u7684\u96c6\u5408\u7684\u57fa\u6570\uff0c\u800c\u4e0d\u9700\u8981\u5b58\u50a8\u5176\u6240\u6709\u503c\u3002\u76f8\u5173\u7b97\u6cd5\u539f\u7406\u5927\u5bb6\u53ef\u4ee5\u53c2\u8003\uff1ahttps:\/\/juejin.cn\/post\/6844903785744056333#heading-0<\/p>\n\n\n\n<p>Redis\u4e2d\u7684HLL\u662f\u57fa\u4e8estring\u7ed3\u6784\u5b9e\u73b0\u7684\uff0c\u5355\u4e2aHLL\u7684\u5185\u5b58\u6c38\u8fdc\u5c0f\u4e8e16kb\uff0c\u5185\u5b58\u5360\u7528\u4f4e\u7684\u4ee4\u4eba\u53d1\u6307\uff01\u4f5c\u4e3a\u4ee3\u4ef7\uff0c\u5176\u6d4b\u91cf\u7ed3\u679c \u662f\u6982\u7387\u6027\u7684\uff0c\u6709\u5c0f\u4e8e0.81%\u7684\u8bef\u5dee\u3002\u4e0d\u8fc7\u5bf9\u4e8eUV\u7edf\u8ba1\u6765\u8bf4\uff0c\u8fd9\u5b8c\u5168\u53ef\u4ee5\u5ffd\u7565\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>PFADD key element &#91;element ...]\nsummary: Adds the specified elements to the specified HyperLogLog.\nsince: 2.8.9\n\nPFCOUNT key &#91;key ...]\nsummary: Return the approximated cardinality of the set(s) observed by\nsince: 2.8.9\n\nPFMERGE destkey sourcekey &#91;sourcekey ...]\nsummary: Merge N different HyperLogLogs into a single one.\nsince: 2.8.9<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>127.0.0.1:6379&gt; PFADD hl1 e1 e2 e3 e4 e5\n(integer) 1\n127.0.0.1:6379&gt; PFCOUNT hl1\n(integer) 5\n127.0.0.1:6379&gt; PFADD hl1 e1 e2 e3 e4 e5\n(integer) 0\n127.0.0.1:6379&gt; PFADD hl1 e1 e2 e3 e4 e5\n(integer) 0\n127.0.0.1:6379&gt; PFCOUNT hl1\n(integer) 5\n127.0.0.1:6379&gt;<\/code><\/pre>\n\n\n\n<p>&nbsp;test\u4e00\u4e0b<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">    @Test\n    void testHyperLogLog(){\n        String[] values = new String[1000];\n        int j = 0;\n        for (int i = 0; i &lt; 1000000; i++) {\n            j = i % 1000;\n            values[j] = \"user_\" + i;\n            if (j == 999) {\n                \/\/ \u53d1\u9001\u5230Redis\n                stringRedisTemplate.opsForHyperLogLog().add(\"hl2\", values);\n            }\n        }\n\/\/ \u7edf\u8ba1\u6570\u91cf\n        Long count = stringRedisTemplate.opsForHyperLogLog().size(\"hl2\");\n        System.out.println(\"count = \" + count);\n    }<\/pre>\n\n\n\n<p>\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"619\" height=\"290\" src=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742766-image.png\" alt=\"\" class=\"wp-image-1049\" srcset=\"https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742766-image.png 619w, https:\/\/eve2333.top\/wp-content\/uploads\/2025\/04\/1745742766-image-300x141.png 300w\" sizes=\"auto, (max-width: 619px) 100vw, 619px\" \/><\/figure>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" height=\"15\" width=\"15\" src=\"blob:https:\/\/eve2333.top\/a98184fd-a6cc-43e5-95e2-0ead8561ac3b\"><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>&nbsp;<a href=\"https:\/\/blog.csdn.net\/KNeeg_\/article\/details\/146123658\" target=\"_blank\"  rel=\"nofollow\" >\u9ed1\u9a6c\u70b9\u8bc4\u5b8c\u6574\u4ee3\u7801(RabbitMQ\u4f18\u5316)+\u7b80\u5386\u7f16\u5199+\u9762\u8bd5\u91cd\u70b9 \u2b50_\u9ed1\u9a6c\u70b9\u8bc4\u7b80\u5386-CSDN\u535a\u5ba2<\/a><\/p>\n<\/blockquote>\n\n\n\n<p>\u200b<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp;GEO\u6570\u636e\u7ed3\u6784 GEO\u5c31\u662fGeolocation\u7684\u7b80\u5199\u5f62\u5f0f\uff0c\u4ee3\u8868\u5730\u7406\u5750\u6807\u3002Redis\u57283.2\u7248\u672c\u4e2d\u52a0\u5165\u4e86\u5bf9GEO\u7684\u652f\u6301 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[3],"tags":[26,16,20],"class_list":["post-1032","post","type-post","status-publish","format-standard","hentry","category-3","tag-redis","tag-sql","tag-20"],"_links":{"self":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/1032","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1032"}],"version-history":[{"count":2,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/1032\/revisions"}],"predecessor-version":[{"id":1050,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/1032\/revisions\/1050"}],"wp:attachment":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1032"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}