{"id":194639,"date":"2024-11-13T08:20:22","date_gmt":"2024-11-13T00:20:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194639\/"},"modified":"2024-11-13T08:20:23","modified_gmt":"2024-11-13T00:20:23","slug":"%e7%94%a8redis%e7%8d%b2%e5%8f%96%e7%8d%a8%e4%b8%80%e7%84%a1%e4%ba%8c%e7%9a%84%e5%80%bc%ef%bc%88redis%e7%8d%b2%e5%8f%96%e5%96%ae%e4%b8%80%e5%80%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194639\/","title":{"rendered":"\u7528Redis\u7372\u53d6\u7368\u4e00\u7121\u4e8c\u7684\u503c\uff08redis\u7372\u53d6\u55ae\u4e00\u503c\uff09"},"content":{"rendered":"<h1 id=\"%e7%94%a8redis%e7%8d%b2%e5%8f%96%e7%8d%a8%e4%b8%80%e7%84%a1%e4%ba%8c%e7%9a%84%e5%80%bc%ef%bc%88redis%e7%8d%b2%e5%8f%96%e5%96%ae%e4%b8%80%e5%80%bc%ef%bc%89-DlAkhpyVGp\">\u7528Redis\u7372\u53d6\u7368\u4e00\u7121\u4e8c\u7684\u503c\uff08redis\u7372\u53d6\u55ae\u4e00\u503c\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5feb\u901f\u4e14\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u662f\u6bcf\u500b\u61c9\u7528\u7a0b\u5e8f\u6210\u529f\u7684\u95dc\u9375\u3002Redis\uff0c\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u4f86\u7372\u53d6\u7368\u4e00\u7121\u4e8c\u7684\u503c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%ef%bc%9f-DlAkhpyVGp\">\u4ec0\u9ebc\u662fRedis\uff1f<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u500b\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\u548c\u6709\u5e8f\u96c6\u5408\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u901f\u5ea6\uff0cRedis\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"%e7%8d%b2%e5%8f%96%e7%8d%a8%e4%b8%80%e7%84%a1%e4%ba%8c%e7%9a%84%e5%80%bc%e7%9a%84%e9%9c%80%e6%b1%82-DlAkhpyVGp\">\u7372\u53d6\u7368\u4e00\u7121\u4e8c\u7684\u503c\u7684\u9700\u6c42<\/h2>\n<p>\u5728\u8a31\u591a\u61c9\u7528\u4e2d\uff0c\u7372\u53d6\u7368\u4e00\u7121\u4e8c\u7684\u503c\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4f8b\u5982\uff0c\u5728\u7528\u6236\u8a3b\u518a\u7cfb\u7d71\u4e2d\uff0c\u78ba\u4fdd\u6bcf\u500b\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u662f\u552f\u4e00\u7684\uff0c\u6216\u8005\u5728\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u4e2d\uff0c\u78ba\u4fdd\u6bcf\u500b\u8a02\u55ae\u7de8\u865f\u4e0d\u6703\u91cd\u8907\u3002\u4f7f\u7528Redis\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u9019\u4e9b\u9700\u6c42\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8redis%e7%8d%b2%e5%8f%96%e7%8d%a8%e4%b8%80%e7%84%a1%e4%ba%8c%e7%9a%84%e5%80%bc-DlAkhpyVGp\">\u4f7f\u7528Redis\u7372\u53d6\u7368\u4e00\u7121\u4e8c\u7684\u503c<\/h2>\n<p>\u8981\u5728Redis\u4e2d\u7372\u53d6\u7368\u4e00\u7121\u4e8c\u7684\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u7a2e\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8set%e8%b3%87%e6%96%99%e7%b5%90%e6%a7%8b-DlAkhpyVGp\">1. \u4f7f\u7528SET\u8cc7\u6599\u7d50\u69cb<\/h3>\n<p>Redis\u7684SET\u8cc7\u6599\u7d50\u69cb\u662f\u4e00\u500b\u7121\u5e8f\u7684\u96c6\u5408\uff0c\u4e26\u4e14\u4e0d\u5141\u8a31\u91cd\u8907\u7684\u5143\u7d20\u3002\u9019\u4f7f\u5f97\u5b83\u975e\u5e38\u9069\u5408\u7528\u4f86\u5b58\u5132\u7368\u4e00\u7121\u4e8c\u7684\u503c\u3002<\/p>\n<pre><code>SETNX key value\n<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0cSETNX\u547d\u4ee4\u6703\u5728key\u4e0d\u5b58\u5728\u7684\u60c5\u6cc1\u4e0b\u8a2d\u7f6evalue\u3002\u5982\u679ckey\u5df2\u7d93\u5b58\u5728\uff0c\u5247\u4e0d\u6703\u9032\u884c\u4efb\u4f55\u64cd\u4f5c\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6bcf\u500bkey\u7684\u503c\u662f\u552f\u4e00\u7684\u3002<\/p>\n<h4 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a-DlAkhpyVGp\">\u793a\u4f8b\uff1a<\/h4>\n<pre><code>SETNX user:email:john@example.com \"1\"\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5617\u8a66\u5c07\u96fb\u5b50\u90f5\u4ef6\u5730\u5740&#8221;john@example.com&#8221;\u8a2d\u7f6e\u70ba\u552f\u4e00\u7684\u3002\u5982\u679c\u9019\u500b\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u5df2\u7d93\u5b58\u5728\uff0c\u5247\u4e0d\u6703\u9032\u884c\u4efb\u4f55\u66f4\u6539\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8hash%e8%b3%87%e6%96%99%e7%b5%90%e6%a7%8b-DlAkhpyVGp\">2. \u4f7f\u7528HASH\u8cc7\u6599\u7d50\u69cb<\/h3>\n<p>\u5982\u679c\u9700\u8981\u5b58\u5132\u66f4\u591a\u7684\u5c6c\u6027\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528HASH\u8cc7\u6599\u7d50\u69cb\u3002HASH\u5141\u8a31\u5c07\u591a\u500b\u9375\u503c\u5c0d\u5b58\u5132\u5728\u540c\u4e00\u500bkey\u4e0b\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u9748\u6d3b\u5730\u7ba1\u7406\u6578\u64da\u3002<\/p>\n<pre><code>HSET user:1000 email \"john@example.com\"\n<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c\u6211\u5011\u5c07\u7528\u6236ID\u70ba1000\u7684\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u8a2d\u7f6e\u70ba&#8221;john@example.com&#8221;\u3002\u5982\u679c\u9700\u8981\u6aa2\u67e5\u96fb\u5b50\u90f5\u4ef6\u662f\u5426\u5df2\u5b58\u5728\uff0c\u53ef\u4ee5\u5148\u4f7f\u7528HGET\u547d\u4ee4\u4f86\u7372\u53d6\u8a72\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u3002<\/p>\n<h4 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a-DlAkhpyVGp\">\u793a\u4f8b\uff1a<\/h4>\n<pre><code>HGET user:1000 email\n<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u6aa2\u67e5\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u662f\u5426\u5df2\u7d93\u5b58\u5728\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8unique%e7%b4%a2%e5%bc%95-DlAkhpyVGp\">3. \u4f7f\u7528UNIQUE\u7d22\u5f15<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u5728\u61c9\u7528\u5c64\u9762\u4e0a\u9032\u884c\u66f4\u8907\u96dc\u7684\u552f\u4e00\u6027\u6aa2\u67e5\u3002\u9019\u53ef\u4ee5\u901a\u904e\u5728\u61c9\u7528\u7a0b\u5e8f\u4e2d\u7dad\u8b77\u4e00\u500b\u552f\u4e00\u6027\u7d22\u5f15\u4f86\u5be6\u73fe\u3002<\/p>\n<h4 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a-DlAkhpyVGp\">\u793a\u4f8b\uff1a<\/h4>\n<pre><code>if (redis.exists(\"user:email:\" + email)) {\n    \/\/ \u96fb\u5b50\u90f5\u4ef6\u5df2\u5b58\u5728\n} else {\n    redis.set(\"user:email:\" + email, userId);\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u9996\u5148\u6aa2\u67e5\u96fb\u5b50\u90f5\u4ef6\u662f\u5426\u5df2\u5b58\u5728\uff0c\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5247\u5c07\u5176\u8a2d\u7f6e\u70ba\u552f\u4e00\u7684\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DlAkhpyVGp\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Redis\u4f86\u7372\u53d6\u7368\u4e00\u7121\u4e8c\u7684\u503c\u662f\u4e00\u500b\u9ad8\u6548\u4e14\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u7121\u8ad6\u662f\u4f7f\u7528SET\u3001HASH\u9084\u662f\u61c9\u7528\u5c64\u7684\u552f\u4e00\u6027\u7d22\u5f15\uff0cRedis\u90fd\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u7684\u552f\u4e00\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u5b58\u53d6\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u548c\u65b9\u6cd5\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684Redis\u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528Redis\u8f15\u9b06\u7372\u53d6\u7368\u4e00\u7121\u4e8c\u7684\u503c\uff0c\u63d0\u5347\u6578\u64da\u5b58\u53d6\u6548\u7387\uff0c\u5be6\u73fe\u5feb\u901f\u67e5\u8a62\u548c\u9ad8\u6548\u7ba1\u7406\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-194639","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194639","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=194639"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194639\/revisions"}],"predecessor-version":[{"id":194640,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194639\/revisions\/194640"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}