{"id":124647,"date":"2024-10-25T15:58:18","date_gmt":"2024-10-25T07:58:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/124647\/"},"modified":"2024-10-25T15:58:19","modified_gmt":"2024-10-25T07:58:19","slug":"redis-%e9%9b%86%e7%be%a4%e4%b8%ad%e7%9a%84%e4%bb%a3%e7%90%86%e5%b1%a4%e6%9c%89%e6%95%88%e5%88%a9%e7%94%a8%e6%9c%89%e9%99%90%e8%b3%87%e6%ba%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/124647\/","title":{"rendered":"Redis \u96c6\u7fa4\u4e2d\u7684\u4ee3\u7406\u5c64\u6709\u6548\u5229\u7528\u6709\u9650\u8cc7\u6e90"},"content":{"rendered":"<h1 id=\"redis-%e9%9b%86%e7%be%a4%e4%b8%ad%e7%9a%84%e4%bb%a3%e7%90%86%e5%b1%a4%e6%9c%89%e6%95%88%e5%88%a9%e7%94%a8%e6%9c%89%e9%99%90%e8%b3%87%e6%ba%90-yhwTMPNmrc\">Redis \u96c6\u7fa4\u4e2d\u7684\u4ee3\u7406\u5c64\u6709\u6548\u5229\u7528\u6709\u9650\u8cc7\u6e90<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis 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\u7bc0\u9ede\u3002\u9019\u4e00\u5c64\u7684\u5b58\u5728\u53ef\u4ee5\u7c21\u5316\u5ba2\u6236\u7aef\u7684\u64cd\u4f5c\uff0c\u56e0\u70ba\u5ba2\u6236\u7aef\u4e0d\u9700\u8981\u95dc\u5fc3\u6578\u64da\u7684\u5177\u9ad4\u5b58\u5132\u4f4d\u7f6e\u3002<\/p>\n<h3 id=\"%e4%bb%a3%e7%90%86%e5%b1%a4%e7%9a%84%e5%84%aa%e5%8b%a2-yhwTMPNmrc\">\u4ee3\u7406\u5c64\u7684\u512a\u52e2<\/h3>\n<ul>\n<li><strong>\u7c21\u5316\u5ba2\u6236\u7aef\u908f\u8f2f\uff1a<\/strong>\u5ba2\u6236\u7aef\u53ea\u9700\u8207\u4ee3\u7406\u5c64\u4ea4\u4e92\uff0c\u800c\u4e0d\u5fc5\u76f4\u63a5\u8207\u591a\u500b Redis \u7bc0\u9ede\u9032\u884c\u901a\u4fe1\u3002<\/li>\n<li><strong>\u8ca0\u8f09\u5747\u8861\uff1a<\/strong>\u4ee3\u7406\u5c64\u53ef\u4ee5\u6839\u64da\u7576\u524d\u7684\u8ca0\u8f09\u60c5\u6cc1\uff0c\u5c07\u8acb\u6c42\u5206\u914d\u5230\u4e0d\u540c\u7684 Redis \u7bc0\u9ede\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<li><strong>\u6545\u969c\u8f49\u79fb\uff1a<\/strong>\u7576\u67d0\u500b Redis \u7bc0\u9ede\u51fa\u73fe\u6545\u969c\u6642\uff0c\u4ee3\u7406\u5c64\u53ef\u4ee5\u81ea\u52d5\u5c07\u8acb\u6c42\u8f49\u767c\u5230\u5176\u4ed6\u53ef\u7528\u7684\u7bc0\u9ede\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%9c%89%e6%95%88%e5%88%a9%e7%94%a8%e6%9c%89%e9%99%90%e8%b3%87%e6%ba%90%e7%9a%84%e7%ad%96%e7%95%a5-yhwTMPNmrc\">\u6709\u6548\u5229\u7528\u6709\u9650\u8cc7\u6e90\u7684\u7b56\u7565<\/h2>\n<p>\u5728\u8a2d\u8a08 Redis \u96c6\u7fa4\u7684\u4ee3\u7406\u5c64\u6642\uff0c\u5982\u4f55\u6709\u6548\u5229\u7528\u6709\u9650\u7684\u8cc7\u6e90\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e8%ab%8b%e6%b1%82%e7%b7%a9%e5%ad%98-yhwTMPNmrc\">1. \u8acb\u6c42\u7de9\u5b58<\/h3>\n<p>\u4ee3\u7406\u5c64\u53ef\u4ee5\u5be6\u73fe\u8acb\u6c42\u7de9\u5b58\uff0c\u5c07\u983b\u7e41\u8a2a\u554f\u7684\u6578\u64da\u7de9\u5b58\u5728\u5167\u5b58\u4e2d\uff0c\u6e1b\u5c11\u5c0d Redis \u7bc0\u9ede\u7684\u8acb\u6c42\u6b21\u6578\u3002\u9019\u6a23\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u97ff\u61c9\u901f\u5ea6\uff0c\u9084\u80fd\u6e1b\u5c11\u7db2\u7d61\u5e36\u5bec\u7684\u6d88\u8017\u3002<\/p>\n<pre><code>function cacheRequest(key) {\n    if (cache.exists(key)) {\n        return cache.get(key);\n    } else {\n        const value = redis.get(key);\n        cache.set(key, value);\n        return value;\n    }\n}\n<\/code><\/pre>\n<h3 id=\"2-%e8%ab%8b%e6%b1%82%e5%90%88%e4%bd%b5-yhwTMPNmrc\">2. \u8acb\u6c42\u5408\u4f75<\/h3>\n<p>\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u4ee3\u7406\u5c64\u53ef\u4ee5\u5be6\u73fe\u8acb\u6c42\u5408\u4f75\uff0c\u5c07\u591a\u500b\u76f8\u540c\u7684\u8acb\u6c42\u5408\u4f75\u70ba\u4e00\u500b\u8acb\u6c42\uff0c\u7136\u5f8c\u518d\u5c07\u7d50\u679c\u5206\u767c\u7d66\u5404\u500b\u5ba2\u6236\u7aef\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5c0d Redis \u7bc0\u9ede\u7684\u8acb\u6c42\u6578\u91cf\uff0c\u5f9e\u800c\u6709\u6548\u5229\u7528\u8cc7\u6e90\u3002<\/p>\n<pre><code>function mergeRequests(requests) {\n    const uniqueRequests = [...new Set(requests)];\n    const results = redis.mget(uniqueRequests);\n    return requests.map(req =&gt; results[uniqueRequests.indexOf(req)]);\n}\n<\/code><\/pre>\n<h3 id=\"3-%e5%8b%95%e6%85%8b%e8%aa%bf%e6%95%b4%e8%b3%87%e6%ba%90-yhwTMPNmrc\">3. \u52d5\u614b\u8abf\u6574\u8cc7\u6e90<\/h3>\n<p>\u6839\u64da\u7cfb\u7d71\u7684\u8ca0\u8f09\u60c5\u6cc1\uff0c\u4ee3\u7406\u5c64\u53ef\u4ee5\u52d5\u614b\u8abf\u6574\u8cc7\u6e90\u7684\u5206\u914d\u3002\u4f8b\u5982\uff0c\u5728\u9ad8\u5cf0\u671f\uff0c\u53ef\u4ee5\u589e\u52a0\u4ee3\u7406\u5c64\u7684\u5be6\u4f8b\u6578\u91cf\uff0c\u4ee5\u61c9\u5c0d\u66f4\u9ad8\u7684\u8acb\u6c42\u91cf\uff1b\u800c\u5728\u4f4e\u5cf0\u671f\uff0c\u5247\u53ef\u4ee5\u6e1b\u5c11\u5be6\u4f8b\u6578\u91cf\uff0c\u7bc0\u7701\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-yhwTMPNmrc\">\u7d50\u8ad6<\/h2>\n<p>\u5728 Redis \u96c6\u7fa4\u4e2d\uff0c\u4ee3\u7406\u5c64\u7684\u6709\u6548\u5229\u7528\u5c0d\u65bc\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u548c\u8cc7\u6e90\u5229\u7528\u7387\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u8acb\u6c42\u7de9\u5b58\u3001\u8acb\u6c42\u5408\u4f75\u548c\u52d5\u614b\u8abf\u6574\u8cc7\u6e90\u7b49\u7b56\u7565\uff0c\u53ef\u4ee5\u5728\u6709\u9650\u7684\u8cc7\u6e90\u4e0b\u5be6\u73fe\u66f4\u9ad8\u7684\u6548\u7387\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u672a\u4f86\u7684 Redis \u96c6\u7fa4\u4ee3\u7406\u5c64\u5c07\u6703\u66f4\u52a0\u667a\u80fd\u5316\uff0c\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u66f4\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> 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