{"id":3319,"date":"2018-11-05T18:02:10","date_gmt":"2018-11-05T10:02:10","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=3319"},"modified":"2018-11-05T18:02:10","modified_gmt":"2018-11-05T10:02:10","slug":"%e8%ae%be%e8%ae%a1%e4%b8%80%e4%b8%aa%e7%a4%be%e4%ba%a4%e7%bd%91%e7%ab%99%e7%9a%84%e7%82%b9%e8%b5%9e%e6%9c%80%e4%bd%b3%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=3319","title":{"rendered":"\u8bbe\u8ba1\u4e00\u4e2a\u793e\u4ea4\u7f51\u7ad9\u7684\u70b9\u8d5e\u6700\u4f73\u65b9\u6848"},"content":{"rendered":"

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\r\nCREATE TABLE `t_link` (\r\n  `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '\u81ea\u589eID',\r\n  `art_id` bigint(20) DEFAULT NULL COMMENT '\u6587\u7ae0ID',\r\n  `user_id` bigint(11) DEFAULT NULL COMMENT '\u70b9\u8d5e\u7528\u6237id',\r\n  `like_time` datetime DEFAULT NULL COMMENT '\u70b9\u8d5e\u65f6\u95f4',\r\n  `status` int(11) NOT NULL COMMENT '\u72b6\u6001',\r\n  PRIMARY KEY (`id`)\r\n);<\/pre>\n
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\n\t\u5173\u4e8e\u70b9\u8d5e\uff0c\u6211\u4eec\u5148\u64cd\u4f5c Redis\uff0c\u7b49\u4e00\u5b9a\u7684\u65f6\u95f4\uff0c\u6216\u8005\u4e00\u5b9a\u7684\u6570\u636e\u91cf\uff0c\u7136\u540e\u518d\u6279\u91cf\u7684\u6301\u4e45\u5316\u5230\u6570\u636e\u5e93\u3002\n<\/p>\n
\n\t\u4f46\u662f\u5462\uff1f\u7528 Redis \u4e5f\u6709\u51e0\u4e2a\u95ee\u9898\uff0c\u90a3\u5c31\u662f\u4e0d\u80fd\u8ba9\u6240\u6709\u7684\u6570\u636e\u90fd\u7f13\u5b58\u8d77\u6765\u5427\uff01\u5fae\u535a\u6bcf\u5929\u4ea7\u751f\u90a3\u4e48\u591a\u6587\u7ae0\uff0c\u4ea7\u751f\u90a3\u4e48\u591a\u7684\u70b9\u8d5e\u8bb0\u5f55\u3002\u5149\u5b58\u50a8\u5728\u78c1\u76d8\u90a3\u6570\u636e\u91cf\u4e5f\u5927\u7684\u8d85\u4e4e\u60f3\u8c61\u5427\uff01\u5fae\u535a\u73b0\u5728\u7684 Redis \u90fd\u662f\u51e0\u5341T\u7684\u5927\u5c0f\u3002\u5149\u7f13\u5b58\u70b9\u8d5e\u6570\u636e\uff0c\u80af\u5b9a\u4e0d\u884c\u3002\u6211\u4eec\u5f97\u627e\u51fa\u54ea\u4e9b\u662f\u70ed\u95e8\u7684\u6570\u636e\uff0c\u7136\u540e\u628a\u70ed\u95e8\u7684\u7ed9\u7f13\u5b58\u8d77\u6765\u3002\u7c89\u4e1d\u5c0f\u7684\uff0c\u51e0\u5929\u4ee5\u524d\u751a\u81f3\u662f\u5f88\u4e45\u4ee5\u524d\u7684\u662f\u4e0d\u662f\u7f13\u5b58\u7684\u5fc5\u8981\u6027\u5c31\u5f97\u8003\u8651\u4e86\uff01\n<\/p>\n
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\n\t\u518d\u8bf4\u4e0a\u9762\u5f15\u5165 Redis \u540e\uff0c\u4e5f\u4f1a\u5e26\u6765\u5f88\u591a\u65b0\u7684\u95ee\u9898\uff01\u6bd4\u5982\uff1a\u5f00\u53d1\u590d\u6742\uff0c\u8fd9\u4e2a\u6bd4\u76f4\u63a5\u5199mysql\u7684\u65b9\u6848\u8981\u590d\u6742\u5f88\u591a\uff0c \u9700\u8981\u8003\u8651\u7684\u5730\u65b9\u4e5f\u5f88\u591a;\u4e0d\u80fd\u4fdd\u8bc1\u6570\u636e\u5b89\u5168\u6027\uff0credis\u6302\u6389\u7684\u65f6\u5019\u4f1a\u4e22\u5931\u6570\u636e\uff0c \u540c\u65f6\u4e0d\u53ca\u65f6\u540c\u6b65redis\u4e2d\u7684\u6570\u636e\uff0c \u53ef\u80fd\u4f1a\u5728redis\u5185\u5b58\u7f6e\u6362\u7684\u65f6\u5019\u88ab\u6dd8\u6c70\u6389\u7b49\u3002\n<\/p>\n
\n\t\"\u793e\u4ea4\u7f51\u7ad9\u70b9\u8d5e\u529f\u80fd\u8bbe\u8ba1\"\n<\/p>\n
\n\t\u4f46\u662f\u4f60\u4e0d\u80fd\u8bf4 Redis \u6709\u7f3a\u70b9\u4f60\u5c31\u4e0d\u7528\u5b83\u5427\uff0c\u7528\u8fd8\u662f\u8981\u7528\u3002\u5173\u952e\u5c31\u770b\u4f60\u5982\u4f55\u7528\uff1f\u4e0b\u9762\u8bf4\u8bf4\u6211\u7684\u6253\u8138\u601d\u8def\uff01\n<\/p>\n
\n\t\u5728redis\u4e2d\u5f04\u4e00\u4e2aset\u5b58\u653e\u6240\u6709\u88ab\u70b9\u8d5e\u7684\u6587\u7ae0\uff0cpost_user_like_set_{$post_id}\uff0c\u5bf9\u6bcf\u4e2apost\u4ee5post_id\u4f5c\u4e3akey, \u641e\u4e00\u4e2aset\u5b58\u653e\u6240\u6709\u5bf9\u8be5post\u70b9\u8d5e\u7684\u7528\u6237;\n<\/p>\n
\n\tpost_user_like_{$post_id}_{$user_id} \u5c06\u6bcf\u4e2a\u7528\u6237\u5bf9\u6bcf\u4e2apost\u7684\u70b9\u8d5e\u60c5\u51b5\u653e\u5230\u4e00\u4e2ahash\u91cc\u9762\u53bb\u3002\n<\/p>\n
\n\t\u4e3a\u5565\u7528hash\uff1f\u53ea\u6240\u4ee5\u7528hash\u662f\u56e0\u4e3a\u5b8c\u5168\u53ef\u4ee5\u7528hash\u6765\u5b58\u50a8\u4e00\u4e2a\u70b9\u8d5e\u7684\u5bf9\u8c61\uff0c \u5bf9\u5e94\u6570\u636e\u5e93\u7684\u4e00\u884c\u8bb0\u5f55\u3002\n<\/p>\n
\n\t\u5f53\u7136\u6709\u540c\u5b66\u4f1a\u8bf4\u7528key, value\u4e5f\u53ef\u4ee5\uff0c \u5c06\u6240\u6709\u7684\u6570\u636e\u5e8f\u5217\u5316(json_encode\u7b49)\uff0c\u540e\u5168\u90e8\u653e\u5230value\u91cc\u9762\u53bb\u3002 hash\u53ef\u4ee5\u5f88\u65b9\u4fbf\u7684\u4fee\u6539\u67d0\u4e2a\u5b57\u6bb5\uff0c \u800c\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u7684\u64cd\u4f5c\u3002\n<\/p>\n
\n\tpost_{$post_id}_counter \u5bf9\u6bcf\u4e2apost\u7ef4\u62a4\u4e00\u4e2a\u8ba1\u6570\u5668\uff0c \u7528\u6765\u8bb0\u5f55\u5f53\u524d\u5728redis\u4e2d\u7684\u70b9\u8d5e\u6570\uff0c\u8fd9\u91cc\u6211\u4eec\u53ea\u7528counter\u8bb0\u5f55\u5c1a\u672a\u540c\u6b65\u5230mysql\u4e2d\u7684\u70b9\u8d5e\u6570(\u53ef\u4ee5\u4e3a\u8d1f)\uff0c \u6bcf\u6b21\u5237\u56demysql\u4e2d\u65f6\u5c06counter\u4e2d\u7684\u6570\u636e\u548c\u6570\u636e\u5e93\u5df2\u6709\u7684\u8d5e\u6570\u76f8\u52a0\u5373\u53ef\u3002\n<\/p>\n
\n\t\u7528\u6237\u70b9\u8d5e\/\u53d6\u6d88\u8d5e\uff1a\u83b7\u53d6user_id, post_id\uff0c \u67e5\u8be2\u8be5\u7528\u6237\u662f\u5426\u5df2\u7ecf\u70b9\u8fc7\u8d5e\uff0c \u5df2\u70b9\u8fc7\u5219\u4e0d\u5141\u8bb8\u518d\u6b21\u70b9\u8d5e\uff0c\u8fd9\u91cc\u9700\u8981\u6ce8\u610f\u7684\u662f\u7528\u6237\u70b9\u8d5e\u7684\u8bb0\u5f55\u53ef\u80fd\u5728\u6570\u636e\u5e93\u4e2d\uff0c \u4e5f\u53ef\u80fd\u5728\u7f13\u5b58\u4e2d\uff0c \u6240\u4ee5\u67e5\u8be2\u7684\u65f6\u5019\u7f13\u5b58\u548c\u6570\u636e\u5e93\u90fd\u8981\u67e5\u8be2\uff0c \u7f13\u5b58\u6ca1\u6709\u518d\u67e5\u8be2\u6570\u636e\u5e93\u3002\n<\/p>\n
\n\t\u5173\u4e8e\u70b9\u8d5e\u5c31\u5199\u8fd9\u4e48\u591a\u5427\uff0c\u4e3b\u8981\u662f\u5728\u5f80\u4e0b\u5199\uff0c\u8138\u6253\u7684\u66f4\u75db\u3002\u6211\u5c31\u629b\u4e2a\u7816\uff0c\u7b49\u5176\u4ed6\u5404\u8def\u5927\u795e\u6765\u53cd\u51fb\u5199\u6587\u7ae0\u5427\uff01<\/p>\n
\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/<\/p>
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\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a\u4e1a\u4f59\u8349<\/a>\uff1a » \u8bbe\u8ba1\u4e00\u4e2a\u793e\u4ea4\u7f51\u7ad9\u7684\u70b9\u8d5e\u6700\u4f73\u65b9\u6848<\/a><\/p>","protected":false},"excerpt":{"rendered":"
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