| redisTemplate<\/td> | <\/td> | \u901a\u7528\u7684\u547d\u4ee4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\nSpringDataRedis\u5feb\u901f\u5165\u95e8<\/h3>\n\n\n\nSpringBoot\u5df2\u7ecf\u63d0\u4f9b\u4e86\u5bf9SpringDataRedis\u7684\u652f\u6301\uff0c\u4f7f\u7528\u975e\u5e38\u7b80\u5355\uff1a
1\uff0e\u5f15\u5165\u4f9d\u8d56<\/p>\n\n\n\n \u540d\u79f0\uff1aredis-demq
\u8bed\u8a00\uff1aJava
\u7c7b\u578b:Maven
\u7ec4\uff1acom.heima
\u5de5\u4ef6:redis-demo
\u8f6f\u4ef6\u5305\u540d\u79f0\uff1acom.heima
JDK: openjdk-23 Oracle OpenJDK 23
Java:17
\u6253\u5305\uff1aJar<\/p>\n\n\n\n Developer Tool\u9009\u62e9Lombok\uff0cNoSQL\u9009\u62e9Spring data redis<\/p>\n\n\n\n \u00a0![\"\"](\"https:\/\/i-blog.csdnimg.cn\/direct\/fe17d17e5f68466d885522a2d8e6f0a2.png\") <\/p>\n\n\n\n \u5220\u9664\u6ca1\u7528\u7684\u6587\u4ef6 \u5373\uff1agitignore\uff0cHELP.md\uff0cmvnw\uff0cmvnw.cmd\uff0c.mvn<\/p>\n\n\n\n 1.\u5f15\u5165\u4f9d\u8d56<\/p>\n\n\n\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-data-redis<\/artifactId>\n <\/dependency>\n <!--\u8fde\u63a5\u6c60\u4f9d\u8d56-->\n <dependency>\n <groupId>org.apache.commons<\/groupId>\n <artifactId>commons-pool2<\/artifactId>\n <\/dependency><\/code><\/pre>\n\n\n\n2.\u914d\u7f6eapplication.yaml\u6587\u4ef6<\/p>\n\n\n\n spring:\n data:\n redis:\n host: 192.168.150.101\n port: 6379\n password: 123321\n lettuce:\n pool:\n max-active:8\n max-idle:8\n min-idle:0\n max-wait:100<\/code><\/pre>\n\n\n\npackage com.heima;\n\nimport org.junit.jupiter.api.Test;\nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.boot.test.context.SpringBootTest;\nimport org.springframework.data.redis.core.RedisTemplate;\n\n@SpringBootTest\nclass RedisDemoApplicationTests {\n\n @Autowired\n private RedisTemplate redisTemplate;\n @Test\n void testString() {\n redisTemplate.opsForValue().set(\"name\",\"\u864e\u54e5\");\n \/\/\u83b7\u53d6string\u6570\u636e\n Object name=redisTemplate.opsForValue().get(\"name\");\n System.out.println(\"name =\"+name);\n }\n\n}<\/code><\/pre>\n\n\n\n\u6211\u4eecset\u4e00\u4e2arose\uff0c\u81ea\u7136get\u5230\u4e00\u4e2arose\uff0c\u7136\u540e\u91cd\u65b0\u8fd0\u884cjava\u7a0b\u5e8f\uff0c\u53d1\u73b0get \u4ecd\u7136\u662frose\u4e0d\u662f\u864e\u54e5\u3002\u8fd9\u5c31\u662f\u5e8f\u5217\u5316\u3002<\/p>\n\n\n\n \u6211\u4eecRedisTemplate\uff0c\u5b83\u7684set\u65b9\u6cd5\u63a5\u6536\u7684\u53c2\u6570\u5e76\u4e0d\u662f\u5b57\u7b26\u4e32\uff0c\u800c\u662fobject\u3002\u8fd9\u5c31\u662fspring data redis\u7684\u4e00\u4e2a\u7279\u6b8a\u529f\u80fd\uff0c\u5b83\u53ef\u4ee5\u63a5\u53d7\u4efb\u4f55\u5f62\u5f0f\u7684\u5bf9\u8c61\uff0c\u5e2e\u6211\u4eec\u628a\u4ed6\u8f6c\u6210redis\u53ef\u4ee5\u5904\u7406\u7684java\u5bf9\u8c61\u4e86\uff0c\u800credistk\u7684\u5e95\u5c42\u9ed8\u8ba4\u5bf9\u8fd9\u4e9b\u5bf9\u8c61\u7684\u5904\u7406\u65b9\u5f0f\u5c31\u662f\u5229\u7528gdp\u7684\u5e8f\u5217\u5316\u5de5\u5177object output stream\u3002<\/p>\n\n\n\n \u6b64\u4e8b\u5728RedisTemplate.java\u4e2d\u5df2\u6709\u8bb0\u8f7d\n\u7b2c98\u884c\n\/rawtypes\/private@NullableRedisSerializerkeySerializer = null;\n\/rawtypes\/ private @Nullable RedisSerializer valueSerializer = null;\n\/rawtypes\/ private @Nullable RedisSerializer hashKeySerializer = null;\n\/rawtypes\/ private @Nullable RedisSerializer hashValueSerializer = null;\nprivate RedisSerializer<String> stringSerializer = RedisSerializer.string();\n\n\u7b2c134\u884c\ndefaultSerializer =new JdkSerializationRedisSerializer(\n classLoader != null ? classLoader\uff1athis.getClass().getClassLoader());\n\n\u5b83\u4f1a\u7ed9\u5b83\u521b\u5efa\u4e00\u4e2a\u9ed8\u8ba4\u7684\u5e8f\u5217\u5316\u5668\u800c\u9ed8\u8ba4\u5e8f\u5217\u5316\u5668\u5c31\u662fjdk\u7684\u5e8f\u5217\u5316\u5668\n\u90a3\u4e48\u5728\u4f60\u6ca1\u6709\u7ed9\u8fd9\u51e0\u4e2a\u503c\u8fdb\u884c\u5b9a\u4e49\u7684\u60c5\u51b5\u4e0b\n\u5b83\u5c31\u4f1a\u8d70\u8fd9\u4e2a\u9ed8\u8ba4\u7684gdp\u5e8f\u5217\u5316\u5668, \u6211\u4eec\u53ef\u4ee5\u56de\u5230\u8fd9\u4e2aset\u65b9\u6cd5<\/code><\/pre>\n\n\n\n![\"\"](\"https:\/\/i-blog.csdnimg.cn\/direct\/514bb38db69d42358bc03ca376216d91.png\") ![](\"blob:https:\/\/eve2333.top\/00273005-2cf5-49a0-87e0-26ffaea1908c\") <\/p>\n\n\n\n
\u90a3\u4e48\u6211\u4eec\u81ea\u7136\u60f3\u5230\u4fee\u6539\u90a3\u4e2a98\u884c.\u9996\u5148gdk\u8fd9\u4e2a\u6211\u4eec\u5c31\u770b\u8fc7\u4e86\u554a\uff0c\u6211\u4eec\u4e0d\u5e0c\u671b\u7528\u5b83\uff0c\u8fd9\u91cc\u8fb9\u8fd8\u6709\u4e24\u4e2a\u662f\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7684\uff0c\u4e00\u4e2a\u662fStringRedisSerializer\uff1a\u4e13\u95e8\u7528\u6765\u5904\u7406\u5b57\u7b26\u4e32\u3002\u56e0\u4e3a\u6211\u4eec\u77e5\u9053\u5b57\u7b26\u4e32\u8981\u60f3\u8f6c\u5b57\u8282\u5199\u5165redis\uff0c\u5176\u5b9e\u53ea\u9700\u8981\u7b80\u5355\u7684getby\u662f\u4e0d\u662f\u5c31\u884c\u4e86\u3002\u90a3\u4e48\u8001\u5e08\u8ba4\u4e3a\uff0c\u5982\u679c\u4f60\u7684key\u548c\u4f60\u7684\u54c8\u5e0ckey\u90fd\u662f\u5b57\u7b26\u4e32\u7684\u60c5\u51b5\u4e0b\uff0c\u90a3\u4e48\u5c31\u7528\u5b83\u3002\u5f53\u7136\u6211\u4eec\u7684value\u5982\u679c\u6709\u53ef\u80fd\u662f\u5bf9\u8c61\u554a\uff0c\u90a3\u4e48\u5efa\u8bae\u4f60\u4f7f\u7528\u8fd9\u4e2aGenericJackson2JsonRedisSerializer\uff0c\u4e00\u4e2a\u8f6cjson\u5b57\u7b26\u4e32\u7684\u8fd9\u6837\u4e00\u79cd\u5e8f\u5217\u5316\u5de5\u5177<\/p>\n\n\n\n SpringDataRedis\u7684\u5e8f\u5217\u5316\u65b9\u5f0f<\/h3>\n\n\n\n\u6211\u4eec\u53ef\u4ee5\u81ea\u5b9a\u4e49RedisTemplate\u7684\u5e8f\u5217\u5316\u65b9\u5f0f\uff0c\u5728java.com.heima.redis.config\u65b0\u5efaRedisConfig\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n packagecom.heima.redis.config;\nimport org.springframework.context.annotation.Bean;\nimportorg.springframework.context.annotation.Configuration;\nimport org.springframework.data.redis.connection.RedisConnectionFactory;\nimport org.springframework.data.redis.core.RedisTemplate;\n\n\n@Configuration\npublic class RedisConfig{\n@Bean\npublic RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory)\n throws UnknownHostException {\n \/\/ \u521b\u5efaTemplate\n RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();\n \/\/ \u8bbe\u7f6e\u8fde\u63a5\u5de5\u5382\n redisTemplate.setConnectionFactory(redisConnectionFactory);\n \/\/ \u8bbe\u7f6e\u5e8f\u5217\u5316\u5de5\u5177\n GenericJackson2JsonRedisSerializer jsonRedisSerializer =\n new GenericJackson2JsonRedisSerializer();\n \/\/ key\u548chashKey\u91c7\u7528string\u5e8f\u5217\u5316\n redisTemplate.setKeySerializer(RedisSerializer.string());\n redisTemplate.setHashKeySerializer(RedisSerializer.string());\n \/\/ value\u548chashValue\u91c7\u7528JSON\u5e8f\u5217\u5316\n redisTemplate.setValueSerializer(jsonRedisSerializer);\n redisTemplate.setHashValueSerializer(jsonRedisSerializer);\n return redisTemplate;\n}<\/code><\/pre>\n\n\n\n \u6211\u4eec\u628a\u8fd9\u4e2aRedisDemoApplicationTests.java\u7684\u65f6\u5019\u52a0\u4e2a\u6cdb\u578bstring object \u7b2c11\u884c<\/p>\n\n\n\n @Autowired\nprivate RedisTemplate<String,Object>redisTemplate;<\/code><\/pre>\n\n\n\n\u5728xml\u4e2d\u8865\u5145Jackson\u4f9d\u8d56<\/p>\n\n\n\n <\uff01--Jackson\u4f9d\u8d56-->\n<dependency>\n <groupId>com.fasterxml.jackson.core<\/groupId>\n <artifactId>jackson-databind<\/artifactId>\n<\/dependency><\/code><\/pre>\n\n\n\n\u90a3\u4e48\u5982\u679c\u6211\u5199\u7684\u4e00\u4e2a\u5bf9\u8c61\uff0c\u4ed6\u80fd\u4e0d\u80fd\u5e2e\u6211\u4eec\u4e5f\u53bb\u505a\u5e8f\u5217\u5316\u5462\uff0c\u7b54\u6848\u662fok\u7684\uff08\u8fd9\u91cc\u7701\u7565\u4e86\u4e00\u90e8\u5206\uff09<\/p>\n\n\n\n \u5e8f\u5217\u5316\u5931\u8d25\u7684\u540c\u5b66\u770b\u4e0b\u5bfc\u5165\u7684@Configuration\u5305\u662f\u5426\u6b63\u786e import org.springframework.context.annotation.Configuration;<\/p>\n\n\n\n StringRedisTemplate<\/h3>\n\n\n\n\u5c3d\u7ba1JSON\u7684\u5e8f\u5217\u5316\u65b9\u5f0f\u53ef\u4ee5\u6ee1\u8db3\u6211\u4eec\u7684\u9700\u6c42\uff0c\u4f46\u4f9d\u7136\u5b58\u5728\u4e00\u4e9b\u95ee\u9898\uff0c\u5982\u56fe\uff1a![\"\"](\"https:\/\/i-blog.csdnimg.cn\/direct\/a2a3e9e3e94e471e923fbdd419378167.png\") <\/p>\n\n\n\n \u4e3a\u4e86\u5728\u53cd\u5e8f\u5217\u5316\u65f6\u77e5\u9053\u5bf9\u8c61\u7684\u7c7b\u578b\uff0cJSON\u5e8f\u5217\u5316\u5668\u4f1a\u5c06\u7c7b\u7684class\u7c7b\u578b\u5199\u5165json\u7ed3\u679c\u4e2d\uff0c\u5b58\u5165Redis\uff0c\u4f1a\u5e26\u6765\u989d\u5916\u7684\u5185\u5b58\u5f00\u9500\u3002<\/p>\n\n\n\n StringRedisTemplate
\u4e3a\u4e86\u8282\u7701\u5185\u5b58\u7a7a\u95f4\uff0c\u6211\u4eec\u5e76\u4e0d\u4f1a\u4f7f\u7528JSON\u5e8f\u5217\u5316\u5668\u6765\u5904\u7406value\uff0c\u800c\u662f\u7edf\u4e00\u4f7f\u7528String\u5e8f\u5217\u5316\u5668\uff0c\u8981\u6c42\u53ea\u80fd\u5b58\u50a8String \u7c7b\u578b\u7684key\u548cvalue\u3002\u5f53\u9700\u8981\u5b58\u50a8lava\u5bf9\u8c61\u65f6\uff0c\u624b\u52a8\u5b8c\u6210\u5bf9\u8c61\u7684\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u3002![\"\"](\"https:\/\/i-blog.csdnimg.cn\/direct\/0ae05f8c469c4c4f9e823a5f26960405.png\") <\/p>\n\n\n\n \u65e2\u7136\u8bf4\u4e86\u6211\u4eec\u8981\u7edf\u4e00\u4f7f\u7528string\uff0c\u4e5f\u5c31\u662f\u8bf4\u6211\u4eec\u554a\u539f\u6765\u7684\u90a3\u4e2aredis template\uff0c\u662f\u4e0d\u662f\u9700\u8981\u7edf\u4e00\u7684\u5b9a\u4e49\u6210\u7528string serializer\u624d\u53ef\u4ee5\u554a\uff0c\u4e5f\u5c31\u662f\u8bf4\u8fd8\u9700\u8981\u91cd\u65b0\u7684\u5b9a\u4e49redis template<\/p>\n\n\n\n Spring\u9ed8\u8ba4\u63d0\u4f9b\u4e86\u4e00\u4e2aStringRedisTemplate\u7c7b\uff0c\u5b83\u7684key\u548cvalue\u7684\u5e8f\u5217\u5316\u65b9\u5f0f\u9ed8\u8ba4\u5c31\u662fString\u65b9\u5f0f\u3002\u7701\u53bb\u4e86\u6211\u4eec\u81ea\u5b9a\u4e49RedisTemplate\u7684\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n @Autowired\nprivate StringRedisTemplate stringRedisTemplate;\n\/\/ JSON\u5de5\u5177\nprivate static final ObjectMapper mapper = new ObjectMapper();\n\n@Test\nvoid testStringTemplate() throws JsonProcessingException {\n \/\/ \u51c6\u5907\u5bf9\u8c61\n User user = new User(\"\u864e\u54e5\", 18);\n \/\/ \u624b\u52a8\u5e8f\u5217\u5316\n String json = mapper.writeValueAsString(user);\n \/\/ \u5199\u5165\u4e00\u6761\u6570\u636e\u5230redis\n stringRedisTemplate.opsForValue().set(\"user:200\", json);\n \/\/ \u8bfb\u53d6\u6570\u636e\n String val = stringRedisTemplate.opsForValue().get(\"user:200\");\n \/\/ \u53cd\u5e8f\u5217\u5316\n User user1 = mapper.readValue(val, User.class);\n System.out.println(\"user1 = \" + user1);\n}<\/code><\/pre>\n\n\n\n\u65b0\u5efaRedisStringTests.java\n@SpringBootTest\nclass RedisStringTests {\n @Autowired\n private StringRedisTemplate stringRedisTemplate;\n \n @Test\n void testString(){\n \/\/\u5199\u5165\u4e00\u6761String\u6570\u636e\n stringRedisTemplate.opsForValue().set(\"name\",\"\u864e\u54e5\");\n \/\/\u83b7\u53d6string\u6570\u636e\n Object name = stringRedisTemplate.opsForValue().get(\"name\");\n System.out.println(\"name =\"+ name\uff09; \n }\n\n \/\/\u7531\u4e8e\u4f60\u6362\u4e86\u6240\u4ee5\u65e0\u6cd5\u81ea\u52a8\u5e8f\u5217\u5316\n private static final objectMappermapper=new objectMapper();\n \n @Test\n void testSaveUser() throws JsonProcessingException{\n \/\/\u521b\u5efa\u5bf9\u8c61\n User user = new User(name:\"\u864e\u54e5\"\uff0cage:21);\n \/\/\u624b\u52a8\u5e8f\u5217\u5316\n String json = mapper.writeValueAsString(user) ;\n \/\/\u5199\u5165\u6570\u636e\n stringRedisTemplate.opsForValue().set(\"user:200\",json);\n \n \/\/\u83b7\u53d6\u6570\u636e\n String jsonUser = stringRedisTemplate.opsForValue().get(\"user:100\");\n \/\/\u624b\u52a8\u53cd\u5e8f\u5217\u5316\n User userl =mapper.readValue(jsonUser\uff0cUser.class);\n System.out.println(\"user1 =\"+user1);\n }\n}<\/code><\/pre>\n\n\n\n\nRedisTemplate\u7684\u4e24\u79cd\u5e8f\u5217\u5316\u5b9e\u8df5\u65b9\u6848\uff1a
\u65b9\u6848\u4e00\uff1a
1.\u81ea\u5b9a\u4e49RedisTemplate
2.\u4fee\u6539RedisTemplate\u7684\u5e8f\u5217\u5316\u5668\u4e3aGenericJackson2JsonRedisSerializer
\u65b9\u6848\u4e8c\uff1a
1.\u4f7f\u7528StringRedisTemplate
2.\u5199\u5165Redis\u65f6\uff0c\u624b\u52a8\u628a\u5bf9\u8c61\u5e8f\u5217\u5316\u4e3aJSON<\/p>\n\n\n\n 3.\u8bfb\u53d6Redis\u65f6\uff0c\u624b\u52a8\u628a\u8bfb\u53d6\u5230\u7684JSON\u53cd\u5e8f\u5217\u5316\u4e3a\u5bf9\u8c61<\/p>\n<\/blockquote>\n\n\n\n Hash\u7ed3\u6784<\/h3>\n\n\n\nhash\u53ef\u4ee5\u5e72\u4ec0\u4e48\u5462\uff1f\u5c31\u662f\u4e00\u4e2akey\u5bf9\u5e94\u591a\u4e2a\u5b57\u6bb5\u548c\u503c\u5b57\u6bb5\u503c\uff0c\u4f46\u662f\u5728spring\u91cc\u9762\uff0c\u5b83\u5e76\u4e0d\u662f\u4ee5\u547d\u4ee4\u540d\u4f5c\u4e3a\u65b9\u6cd5\u540d\u7684\u3002\u800c\u662fput<\/p>\n\n\n\n @Test\nvoid testHash(){\n stringRedisTemplate.opsForHash().put(key:\"user:40o\",hashKey:\"name\"\uff0cvalue:\"\u864e\u54e5\")\uff1b\n stringRedisTemplate.opsForHash().put(key:\"user:40o\",hashKey:\"age\"\uff0cvalue:\"21\");\n\n Map<Object,Object> entries = stringRedisTemplate.opsForHash().entries(key:\"user:400\");\n \/\/\u5f97\u5230\u7684\u5c31\u662f\u8fd9\u4e2a\u6240\u6709\u7684\u952e\u503c\u5bf9\u5f62\u6210\u7684map\u4e86\n System.out.println(\"entries =\"+entries);\n}![](\"blob:https:\/\/eve2333.top\/949622f2-0fcb-4bdd-bacd-f5b6b6125475\") <\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"Redis\u662f\u4e00\u4e2a\u952e\u503c\u6570\u636e\u5e93\uff0c\u5373\u4ee5key-value\u683c\u5f0f\u5b58\u50a8\u7684\uff0c\u8fd9\u79cdNoSQL\u975e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e0eMySQL\u5173\u7cfb\u578b\u6570\u636e\u5e93\u622a\u7136\u76f8\u53cd SQL …<\/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":[2],"tags":[26],"class_list":["post-917","post","type-post","status-publish","format-standard","hentry","category-2","tag-redis"],"_links":{"self":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/917","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=917"}],"version-history":[{"count":1,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/917\/revisions"}],"predecessor-version":[{"id":918,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/917\/revisions\/918"}],"wp:attachment":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=917"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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