{"id":593,"date":"2023-03-23T21:28:47","date_gmt":"2023-03-23T13:28:47","guid":{"rendered":""},"modified":"2023-03-23T21:28:47","modified_gmt":"2023-03-23T13:28:47","slug":"Spring Boot\u7f13\u5b58","status":"publish","type":"post","link":"https:\/\/bianchenghao6.com\/593.html","title":{"rendered":"Spring Boot\u7f13\u5b58"},"content":{"rendered":"
\n
\u5982\u679c\u662f\uff0c\u5219\u4e0d\u6267\u884c\u5b9e\u9645\u65b9\u6cd5\u5c31\u8fd4\u56de\u7f13\u5b58\u7684\u7ed3\u679c\u3002<\/span> \u7f13\u5b58\u58f0\u660e<\/strong>: \u5b83\u6807\u8bc6\u9700\u8981\u7f13\u5b58\u7684\u65b9\u6cd5\u3002<\/span> \u4e0d\u7ecf\u5e38\u66f4\u6539\u7684\u6570\u636e\u3002<\/span> \u5185\u5b58\u4e2d\u7f13\u5b58<\/span> <\/code>\n <\/div>\n <\/code>\n <\/div>\n <\/code>\n <\/div>\n <\/code>\n <\/div>\n <\/code>\n <\/div>\n <\/code>\n <\/div>\n <\/code>\n <\/div>\n <\/code>\n <\/div>\n <\/code>\n <\/div>\n <\/code>\n <\/div>\n
\n \u5982\u679c\u5426\uff0c\u5219\u9996\u5148\u6267\u884c\u8be5\u65b9\u6cd5\uff0c\u5e76\u5c06\u7ed3\u679c\u7f13\u5b58\u5e76\u8fd4\u56de\u7ed9\u7528\u6237\u3002<\/span> <\/p>\n
\n \u7f13\u5b58\u914d\u7f6e: <\/strong>\u7528\u4e8e\u5b58\u50a8\u548c\u8bfb\u53d6\u6570\u636e\u7684\u540e\u5907\u7f13\u5b58\u3002<\/span> <\/p>\n\u7f13\u5b58<\/h3>\n
\u4e3a\u4ec0\u4e48\u8981\u4f7f\u7528\u7f13\u5b58\uff1f<\/h2>\n
\u5e94\u7f13\u5b58\u54ea\u4e9b\u6570\u636e\uff1f<\/h2>\n
\n \u7ecf\u5e38\u4f7f\u7528\u7684\u8bfb\u53d6\u67e5\u8be2\uff0c\u5176\u67e5\u8be2\u7ed3\u679c\u5728\u6bcf\u4e2a\u8c03\u7528\u4e2d\u81f3\u5c11\u4e00\u6bb5\u65f6\u95f4\u6ca1\u6709\u53d8\u5316\u3002<\/span> <\/p>\n\u7f13\u5b58\u7c7b\u578b<\/h2>\n
\n \u56db\u79cd<\/strong>\u7f13\u5b58\u7c7b\u578b\u5982\u4e0b:\n <\/div>\n
\n \u6570\u636e\u5e93\u7f13\u5b58<\/span>
\n Web\u670d\u52a1\u5668\u7f13\u5b58<\/span>
\n CDN\u7f13\u5b58<\/span> <\/p>\n\u5185\u5b58\u7f13\u5b58<\/h3>\n
\n Memcached <\/strong>\u548c
\n Redis <\/strong>\u662f\u5185\u5b58\u4e2d\u7f13\u5b58\u7684\u793a\u4f8b\u3002\u5b83\u5728\u5e94\u7528\u7a0b\u5e8f\u548c\u6570\u636e\u5e93\u4e4b\u95f4\u5b58\u50a8\u952e\u503c\u3002 Redis\u662f\u4e00\u79cd
\n \u5185\u5b58\u4e2d\uff0c\u5206\u5e03\u5f0f<\/strong>\u9ad8\u7ea7\u7f13\u5b58\u5de5\u5177\uff0c\u53ef\u7528\u4e8e\u5907\u4efd\u548c\u8fd8\u539f\u529f\u80fd\u3002\u6211\u4eec\u8fd8\u53ef\u4ee5\u7ba1\u7406\u5206\u5e03\u5f0f\u96c6\u7fa4\u4e2d\u7684\u7f13\u5b58\u3002\n <\/div>\n\u6570\u636e\u5e93\u7f13\u5b58<\/h3>\n
\n \u591a\u5c42<\/strong>\u73af\u5883\u4e2d\u4f7f\u7528\u3002\u901a\u8fc7\u5206\u914d\u67e5\u8be2\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u5b83\u63d0\u9ad8\u4e86
\n \u53ef\u6269\u5c55\u6027<\/strong>\u548c
\n \u6027\u80fd<\/strong>\u3002\u6700\u53d7\u6b22\u8fce\u7684\u6570\u636e\u5e93\u7f13\u5b58\u662f Hibernate \u7684\u4e00\u7ea7\u7f13\u5b58\u3002\n <\/div>\n Web\u670d\u52a1\u5668\u7f13\u5b58<\/h3>\n
\n \u91cd\u7528<\/strong>\u7684\u673a\u5236\u3002\u4f8b\u5982\uff0c\u7531Web\u670d\u52a1\u5668\u63d0\u4f9b\u7684\u7f51\u9875\u7684\u526f\u672c\u3002\u7528\u6237\u9996\u6b21\u8bbf\u95ee\u8be5\u9875\u9762\u65f6\u5c06\u5bf9\u5176\u8fdb\u884c\u7f13\u5b58\u3002\u5982\u679c\u7528\u6237\u4e0b\u6b21\u518d\u6b21\u8bf7\u6c42\u76f8\u540c\u7684\u5185\u5bb9\uff0c\u5219\u7f13\u5b58\u5c06\u63d0\u4f9b\u9875\u9762\u7684\u526f\u672c\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u670d\u52a1\u5668\u8868\u5355\u8fc7\u8f7d\u3002 Web\u670d\u52a1\u5668\u7f13\u5b58\u53ef\u63d0\u9ad8\u9875\u9762\u4ea4\u4ed8\u901f\u5ea6\uff0c\u5e76\u51cf\u5c11\u540e\u7aef\u670d\u52a1\u5668\u8981\u505a\u7684\u5de5\u4f5c\u3002\n <\/div>\n CDN\u7f13\u5b58<\/h3>\n
\n \u5185\u5bb9\u4ea4\u4ed8\u7f51\u7edc<\/strong>\u3002\u5b83\u662f\u73b0\u4ee3Web\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u7684\u7ec4\u4ef6\u3002\u901a\u8fc7
\n \u590d\u5236<\/strong>\u5e38\u7528\u6587\u4ef6(\u4f8b\u5982 HTML \u9875\u9762\uff0c\u6837\u5f0f\u8868)\uff0c\u5b83\u53ef\u4ee5\u6539\u5584\u5185\u5bb9\u7684\u4f20\u9012\u3002 \uff0c JavaScript \uff0c\u56fe\u50cf\uff0c\u89c6\u9891\u7b49)\u5206\u5e03\u5728\u4e00\u7ec4\u5168\u7403\u5206\u5e03\u7684
\n \u7f13\u5b58\u670d\u52a1\u5668\u4e0a\u3002<\/strong>\n <\/div>\n
\n \u7f13\u5b58\u8fb9\u7f18<\/strong>(\u66f4\u9760\u8fd1\u6700\u7ec8\u7528\u6237\u7684\u7f13\u5b58\u670d\u52a1\u5668)\u6216
\n \u5b58\u5728\u70b9(PoP)<\/strong>\u63d0\u4f9b\u5185\u5bb9\u7684\u672c\u5730\u526f\u672c\u3002\n <\/div>\n\u7f13\u5b58\u4e0e\u7f13\u51b2\u533a<\/h2>\n
\n\n
\n \u7f13\u5b58<\/td>\n \u7f13\u51b2\u533a<\/td>\n<\/tr>\n \n \u7f13\u5b58\u57fa\u4e8e\u6700\u8fd1\u6700\u5c11\u4f7f\u7528<\/strong>\u3002<\/td>\n \u7f13\u51b2\u533a\u57fa\u4e8e\u5148\u8fdb\u5148\u51fa<\/strong> <\/td>\n<\/tr>\n \n \u5b83\u662f\u9875\u9762\u7f13\u5b58\u7684\u5927\u5c0f\u3002<\/td>\n \u5b83\u662f\u5185\u5b58\u4e2d\u7684\u539f\u59cb\u5757I\/O\u7f13\u51b2\u533a\u3002<\/td>\n<\/tr>\n \n \u5b83\u751f\u5b58\u4e86\u5f88\u957f<\/strong>\u65f6\u671f\u3002<\/td>\n \u5b83\u751f\u5b58\u4e86\u77ed<\/strong>\u65f6\u671f\u3002<\/td>\n<\/tr>\n \n \u6211\u4eec\u4ece\u7f13\u5b58\u4e2d\u8bfb\u53d6<\/strong>\u3002<\/td>\n \u6211\u4eec\u5199\u5165<\/strong>\u5230\u7f13\u51b2\u533a\u3002<\/td>\n<\/tr>\n \n \u5b83\u5b58\u50a8\u5b9e\u9645<\/strong>\u6587\u4ef6\u6570\u636e\u3002<\/td>\n \u5b83\u5b58\u50a8\u6587\u4ef6\u5143\u6570\u636e<\/strong>\u3002<\/td>\n<\/tr>\n \n \u5b83\u63d0\u9ad8\u4e86 read <\/strong>\u6027\u80fd\u3002<\/td>\n \u5b83\u63d0\u9ad8\u4e86\u5199\u5165<\/strong>\u6027\u80fd\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Spring Boot\u7f13\u5b58\u6ce8\u89e3<\/h2>\n
@EnableCaching <\/h3>\n
\n @EnableCaching\u6ce8\u89e3\u5728Spring Boot\u5e94\u7528\u7a0b\u5e8f\u4e2d\u542f\u7528\u7f13\u5b58\u3002<\/strong>\u5b83\u5728
\n org.springframework.cache.annotation <\/strong>\u5305\u4e2d\u5b9a\u4e49\u3002\u5b83\u4e0e
\n @Configuration <\/strong>\u7c7b\u4e00\u8d77\u4f7f\u7528\u3002\n <\/div>\n
\n CacheManager <\/strong>\u3002\u5b83\u4f1a\u626b\u63cf\u7279\u5b9a\u7684\u63d0\u4f9b\u7a0b\u5e8f\uff0c\u5982\u679c\u627e\u4e0d\u5230\uff0c\u5219\u4f1a\u4f7f\u7528\u5e76\u53d1\u7684
\n HashMap\u521b\u5efa\u5185\u5b58\u4e2d\u7f13\u5b58\u3002<\/strong>\n <\/div>\n
\n @EnableCaching <\/strong>\u6ce8\u89e3\u542f\u7528\u4e86\u7f13\u5b58\u673a\u5236\u3002\n <\/div>\n\r\n@SpringBootApplication\r\n@EnableCaching \r\npublic <\/span>class <\/span>SpringBootCachingApplication \r\n{\r\npublic <\/span>static void <\/span>main(String[] args) \r\n{\r\nSpringApplication.run<\/span>(SpringBootCachingApplication.class, args);\r\n}\r\n}\r\n<\/pre>\n
@CacheConfig <\/h3>\n
\n \u5458\u5de5<\/strong>\u662f\u7f13\u5b58\u7684\u540d\u79f0\u3002\n <\/div>\n\r\n@CacheConfig(cacheNames={\"employee\"<\/span>}) \r\npublic <\/span>class <\/span>UserService\r\n{\r\n\/\/some code\r\n}\r\n<\/pre>\n
@Caching<\/h3>\n
\n @CachePut <\/strong>\u6216
\n @CacheEvict <\/strong>\u65f6\u4f7f\u7528\u540c\u6837\u7684\u65b9\u6cd5\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u5f53\u6211\u4eec\u8981\u4f7f\u7528\u76f8\u540c\u7c7b\u578b\u7684\u591a\u4e2a\u6ce8\u89e3\u65f6\u4f7f\u7528\u3002\n <\/div>\n
\n Java\u4e0d\u5141\u8bb8\u4e3a\u7ed9\u5b9a\u58f0\u660e\u76f8\u540c\u7c7b\u578b\u7684\u591a\u4e2a\u6ce8\u89e3<\/strong>\u65b9\u6cd5\u3002\u4e3a\u907f\u514d\u6b64\u95ee\u9898\uff0c\u6211\u4eec\u4f7f\u7528
\n @Caching <\/strong>\u6ce8\u89e3\u3002\n <\/div>\n
\n @Caching <\/strong>\u5e76\u5c06\u6240\u6709
\n @CacheEvict <\/strong>\u6ce8\u89e3\u5206\u7ec4\u3002\n <\/div>\n\r\n@Caching(evict = {@CacheEvict(\"phone_number\"<\/span>), @CacheEvict(value=\"directory\"<\/span>, key=\"#student.id\"<\/span>) })<\/span>\r\npublic <\/span>String getAddress(Student student) \r\n{\r\n\/\/some code\r\n}\r\n<\/pre>\n
@Cacheable <\/h3>\n
\n value <\/strong>\u6216
\n cacheNames <\/strong>\u5c5e\u6027\u63d0\u4f9b
\n \u7f13\u5b58\u540d\u79f0<\/strong>\u3002\n <\/div>\n
\n key <\/strong>\u5c5e\u6027\uff0c\u7528\u4e8e\u552f\u4e00\u6807\u8bc6\u7f13\u5b58\u4e2d\u7684\u6bcf\u4e2a\u6761\u76ee\u3002\u5982\u679c\u672a\u6307\u5b9a\u5bc6\u94a5\uff0cSpring\u5c06\u4f7f\u7528\u9ed8\u8ba4\u673a\u5236\u6765\u521b\u5efa\u5bc6\u94a5\u3002\n <\/div>\n
\n cacheStudentInfo\uff0c<\/strong>\u548c
\n id <\/strong>\u4e2d\u65b9\u6cd5
\n studentInfo()<\/strong>\u7684strong>\u8fd4\u56de\u503c\u662f\u552f\u4e00\u952e\uff0c\u7528\u4e8e\u6807\u8bc6\u7f13\u5b58\u3002\n <\/div>\n\r\n@Cacheable(value=\"cacheStudentInfo\"<\/span>, key=\"#id\"<\/span>)<\/span>\r\npublic <\/span>List studentInfo()\r\n{\r\n\/\/some code \r\nreturn <\/span>studentDetails;\r\n}\r\n<\/pre>\n
\n \u6761\u4ef6\u7f13\u5b58<\/strong>\u3002\n <\/div>\n\r\n@Cacheable(value=\"student\"<\/span>, condition=\"#name.length<20\"<\/span>)<\/span>\r\npublic <\/span>Student findStudent(String name)\r\n{\r\n\/\/some code\r\n}\r\n<\/pre>\n
@CacheEvict <\/h3>\n
\n allEntries <\/strong>\u7684\u53c2\u6570\u3002\u5b83\u4f1a\u9a71\u9010\u6240\u6709\u6761\u76ee\uff0c\u800c\u4e0d\u662f\u6839\u636e\u5bc6\u94a5\u9a71\u9010\u4e00\u4e2a\u6761\u76ee\u3002\n <\/div>\n\r\n@CacheEvict(allEntries=true)\r\n<\/pre>\n
\r\n@CacheEvict(key=\"#student.stud_name\"<\/span>)<\/span>\r\n<\/pre>\n
\n student_data <\/strong>\u4e2d\u6e05\u9664\u6240\u6709\u6570\u636e\u3002\n <\/div>\n\r\n@CacheEvict(value=\"student_data\"<\/span>, allEntries=true) \/\/removing all entries from the cache\r\npublic <\/span>String getNames(Student student) \r\n{\r\n\/\/some code\r\n}\r\n<\/pre>\n
@CachePut <\/h3>\n
\n \u66f4\u65b0<\/strong>\u7f13\u5b58\u800c\u4e0d\u5e72\u6270\u65b9\u6cd5\u6267\u884c\u65f6\uff0c\u4f7f\u7528\u5b83\u3002\u8fd9\u610f\u5473\u7740\u8be5\u65b9\u6cd5\u5c06\u59cb\u7ec8\u6267\u884c\uff0c\u5e76\u5c06\u5176\u7ed3\u679c\u653e\u5165\u7f13\u5b58\u4e2d\u3002\u5b83\u652f\u6301@Cacheable\u6279\u6ce8\u7684\u5c5e\u6027\u3002\n <\/div>\n
\n Cacheable <\/strong>\u6279\u6ce8
\n \u8df3\u8fc7\u65b9\u6cd5\u6267\u884c<\/strong>\uff0c\u800c
\n @CachePut <\/strong>\u6279\u6ce8
\n \u8fd0\u884c\u8be5\u65b9\u6cd5<\/strong>\uff0c\u7136\u540e\u5c06\u7ed3\u679c\u653e\u5165\u7f13\u5b58\u3002\n <\/div>\n\r\n@CachePut(cacheNames=\"employee\"<\/span>, key=\"#id\"<\/span>) \/\/updating cache<\/span>\r\npublic <\/span>Employee updateEmp(ID id, EmployeeData data)\r\n{\r\n\/\/some code\r\n}\r\n<\/pre>\n
Spring Boot\u7f13\u5b58\u4f9d\u8d56\u9879<\/h2>\n
\r\n<dependency>\r\n<groupId>org.springframework.boot<\/groupId>\r\n<artifactId>spring-boot-starter-cache<\/artifactId>\r\n<\/dependency> \r\n<\/pre>\n
Spring Boot\u7f13\u5b58\u793a\u4f8b<\/h2>\n
\n 2.3.0.M1\u3002<\/strong>\n <\/div>\n
\n \u7fa4\u7ec4<\/strong>\u540d\u79f0\u3002\u6211\u4eec\u63d0\u4f9b\u4e86
\n com.lidihuo\u3002<\/strong>\n <\/div>\n
\n \u5de5\u4ef6<\/strong> ID\u3002\u6211\u4eec\u63d0\u4f9b\u4e86
\n spring-boot-cache-example\u3002<\/strong>\n <\/div>\n
\n Spring Web <\/strong>\u548c
\n Spring Cache\u62bd\u8c61\u3002<\/strong>\n <\/div>\n
\n Generate <\/strong>(\u751f\u6210)\u6309\u94ae\u3002\u5f53\u6211\u4eec\u5355\u51fb\"\u751f\u6210\"\u6309\u94ae\u65f6\uff0c\u5b83\u5c06\u89c4\u683c\u5305\u88c5\u5728
\n Jar <\/strong>\u6587\u4ef6\u4e2d\uff0c\u5e76\u5c06\u5176\u4e0b\u8f7d\u5230\u672c\u5730\u7cfb\u7edf\u3002\n <\/div>\n
\n \u63d0\u53d6<\/strong> Jar\u6587\u4ef6\u5e76\u5c06\u5176\u7c98\u8d34\u5230STS\u5de5\u4f5c\u533a\u4e2d\u3002\n <\/div>\n
\n \u5bfc\u5165<\/strong> STS\u4e2d\u7684\u9879\u76ee\u6587\u4ef6\u5939\u3002\n <\/div>\n