{"id":120884,"date":"2024-10-25T10:13:22","date_gmt":"2024-10-25T02:13:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/120884\/"},"modified":"2024-10-25T10:13:24","modified_gmt":"2024-10-25T02:13:24","slug":"redis-%e5%bf%ab%e5%8f%96%e5%84%aa%e5%8c%96%e5%8a%a0%e9%80%9f%e7%a8%8b%e5%ba%8f%e8%99%95%e7%90%86-aop","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/120884\/","title":{"rendered":"Redis \u5feb\u53d6\u512a\u5316\u52a0\u901f\u7a0b\u5e8f\u8655\u7406 AOP"},"content":{"rendered":"<h1 id=\"redis-%e5%bf%ab%e5%8f%96%e5%84%aa%e5%8c%96%e5%8a%a0%e9%80%9f%e7%a8%8b%e5%ba%8f%e8%99%95%e7%90%86-aop-yyxiCDxfxa\">Redis \u5feb\u53d6\u512a\u5316\u52a0\u901f\u7a0b\u5e8f\u8655\u7406 AOP<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6027\u80fd\u548c\u6548\u7387\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u96a8\u8457\u7528\u6236\u9700\u6c42\u7684\u589e\u52a0\uff0c\u958b\u767c\u8005\u9700\u8981\u5c0b\u627e\u66f4\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u8655\u7406\u6578\u64da\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\uff0c\u5df2\u7d93\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u9996\u9078\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u9032\u884c\u5feb\u53d6\u512a\u5316\uff0c\u7279\u5225\u662f\u5728\u9762\u5411\u5207\u9762\u7de8\u7a0b\uff08AOP\uff09\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis%ef%bc%9f-yyxiCDxfxa\">\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n<p>Redis \u662f\u4e00\u7a2e\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5feb\u53d6\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"aop-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-yyxiCDxfxa\">AOP \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u9762\u5411\u5207\u9762\u7de8\u7a0b\uff08AOP\uff09\u662f\u4e00\u7a2e\u7de8\u7a0b\u7bc4\u5f0f\uff0c\u65e8\u5728\u901a\u904e\u5c07\u95dc\u6ce8\u9ede\uff08\u5982\u65e5\u8a8c\u3001\u4e8b\u52d9\u7ba1\u7406\u7b49\uff09\u5f9e\u696d\u52d9\u908f\u8f2f\u4e2d\u5206\u96e2\u51fa\u4f86\u4f86\u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u91cd\u7528\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002\u5728 AOP \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5b9a\u7fa9\u5207\u9762\uff0c\u9019\u4e9b\u5207\u9762\u53ef\u4ee5\u5728\u7279\u5b9a\u7684\u9ede\uff08\u5982\u65b9\u6cd5\u8abf\u7528\u524d\u5f8c\uff09\u57f7\u884c\u984d\u5916\u7684\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"redis-%e5%9c%a8-aop-%e4%b8%ad%e7%9a%84%e6%87%89%e7%94%a8-yyxiCDxfxa\">Redis \u5728 AOP \u4e2d\u7684\u61c9\u7528<\/h2>\n<p>\u5728 AOP \u4e2d\uff0cRedis \u53ef\u4ee5\u7528\u4f86\u512a\u5316\u6578\u64da\u5b58\u53d6\u7684\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u61c9\u7528\u5834\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u5feb\u53d6\u67e5\u8a62\u7d50\u679c\uff1a<\/strong>\u7576\u7528\u6236\u8acb\u6c42\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u5148\u6aa2\u67e5 Redis \u4e2d\u662f\u5426\u5b58\u5728\u8a72\u6578\u64da\u3002\u5982\u679c\u5b58\u5728\uff0c\u5247\u76f4\u63a5\u8fd4\u56de\u5feb\u53d6\u7d50\u679c\uff0c\u5426\u5247\u5f9e\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\u4e26\u5c07\u7d50\u679c\u5b58\u5165 Redis\u3002<\/li>\n<li><strong>\u9650\u6d41\u63a7\u5236\uff1a<\/strong>\u5728\u9ad8\u6d41\u91cf\u7684\u61c9\u7528\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Redis \u4f86\u5be6\u73fe\u9650\u6d41\u63a7\u5236\u3002\u901a\u904e\u5728 Redis \u4e2d\u8a18\u9304\u8acb\u6c42\u6b21\u6578\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u9650\u5236\u7528\u6236\u7684\u8acb\u6c42\u983b\u7387\u3002<\/li>\n<li><strong>\u6703\u8a71\u7ba1\u7406\uff1a<\/strong>\u4f7f\u7528 Redis \u5b58\u5132\u7528\u6236\u6703\u8a71\u4fe1\u606f\uff0c\u53ef\u4ee5\u63d0\u9ad8\u61c9\u7528\u7684\u97ff\u61c9\u901f\u5ea6\uff0c\u4e26\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u58d3\u529b\u3002<\/li>\n<\/ul>\n<h3 id=\"%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-yyxiCDxfxa\">\u5be6\u73fe\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 Java \u4e2d\u4f7f\u7528 Spring AOP \u548c Redis \u9032\u884c\u5feb\u53d6\uff1a<\/p>\n<pre><code>\nimport org.aspectj.lang.annotation.Aspect;\nimport org.aspectj.lang.annotation.Before;\nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.data.redis.core.RedisTemplate;\nimport org.springframework.stereotype.Component;\n\n@Aspect\n@Component\npublic class CacheAspect {\n\n    @Autowired\n    private RedisTemplate redisTemplate;\n\n    @Before(\"execution(* com.example.service.UserService.getUser(..))\")\n    public void cacheUser() {\n        String key = \"user:1\"; \/\/ \u5047\u8a2d\u6211\u5011\u8981\u67e5\u8a62\u7528\u6236 ID \u70ba 1 \u7684\u4fe1\u606f\n        Object cachedUser = redisTemplate.opsForValue().get(key);\n        \n        if (cachedUser != null) {\n            \/\/ \u5982\u679c\u5feb\u53d6\u4e2d\u5b58\u5728\uff0c\u5247\u76f4\u63a5\u8fd4\u56de\n            System.out.println(\"\u5f9e\u5feb\u53d6\u4e2d\u7372\u53d6\u7528\u6236\u4fe1\u606f: \" + cachedUser);\n        } else {\n            \/\/ \u5426\u5247\uff0c\u5f9e\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\u4e26\u5b58\u5165\u5feb\u53d6\n            \/\/ userService.getUser(1) \u662f\u5f9e\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\u7528\u6236\u4fe1\u606f\u7684\u8abf\u7528\n            Object user = userService.getUser(1);\n            redisTemplate.opsForValue().set(key, user);\n            System.out.println(\"\u5f9e\u6578\u64da\u5eab\u4e2d\u7372\u53d6\u7528\u6236\u4fe1\u606f\u4e26\u5b58\u5165\u5feb\u53d6: \" + user);\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e5%84%aa%e5%8c%96%e5%bb%ba%e8%ad%b0-yyxiCDxfxa\">\u512a\u5316\u5efa\u8b70<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u9032\u884c\u5feb\u53d6\u512a\u5316\u6642\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u9078\u64c7\u5408\u9069\u7684\u5feb\u53d6\u7b56\u7565\uff1a<\/strong>\u6839\u64da\u61c9\u7528\u7684\u7279\u6027\u9078\u64c7\u5408\u9069\u7684\u5feb\u53d6\u7b56\u7565\uff0c\u5982 LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u6216 TTL\uff08\u904e\u671f\u6642\u9593\uff09\u3002<\/li>\n<li><strong>\u76e3\u63a7\u5feb\u53d6\u547d\u4e2d\u7387\uff1a<\/strong>\u5b9a\u671f\u76e3\u63a7\u5feb\u53d6\u7684\u547d\u4e2d\u7387\uff0c\u4ee5\u8a55\u4f30\u5feb\u53d6\u7684\u6709\u6548\u6027\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u8abf\u6574\u3002<\/li>\n<li><strong>\u5408\u7406\u8a2d\u7f6e\u5feb\u53d6\u5927\u5c0f\uff1a<\/strong>\u6839\u64da\u61c9\u7528\u7684\u9700\u6c42\u5408\u7406\u8a2d\u7f6e Redis \u7684\u5167\u5b58\u5927\u5c0f\uff0c\u4ee5\u907f\u514d\u56e0\u5167\u5b58\u4e0d\u8db3\u800c\u5c0e\u81f4\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-yyxiCDxfxa\">\u7e3d\u7d50<\/h2>\n<p>Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u901a\u904e\u5c07 Redis \u8207 AOP \u7d50\u5408\u4f7f\u7528\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u4e0d\u5f71\u97ff\u696d\u52d9\u908f\u8f2f\u7684\u60c5\u6cc1\u4e0b\uff0c\u5be6\u73fe\u6578\u64da\u7684\u5feb\u901f\u5b58\u53d6\u548c\u512a\u5316\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u7528\u6236\u9ad4\u9a57\uff0c\u4e5f\u6e1b\u5c11\u4e86\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u58d3\u529b\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u4e26\u7d50\u5408 Redis \u9032\u884c\u5feb\u53d6\u512a\u5316\uff0c\u5c07\u662f\u660e\u667a\u7684\u9078\u64c7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528 Redis \u5feb\u53d6\u512a\u5316 AOP \u7a0b\u5e8f\u8655\u7406\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\uff0c\u5be6\u73fe\u66f4\u5feb\u901f\u7684\u6578\u64da\u5b58\u53d6\u8207\u97ff\u61c9\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-120884","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/120884","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=120884"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/120884\/revisions"}],"predecessor-version":[{"id":120885,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/120884\/revisions\/120885"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=120884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=120884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=120884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}