{"id":195307,"date":"2024-11-13T13:56:20","date_gmt":"2024-11-13T05:56:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195307\/"},"modified":"2024-11-13T13:56:21","modified_gmt":"2024-11-13T05:56:21","slug":"%e5%84%aa%e5%8c%96%e7%b6%b2%e7%ab%99%e6%80%a7%e8%83%bdredis%e7%b7%a9%e5%ad%98%e8%88%87%e9%9d%9c%e6%85%8b%e8%ae%8a%e9%87%8f%e5%8f%af%e8%aa%bf%e6%95%b4%ef%bc%88redis%e7%b7%a9%e5%ad%98%e5%92%8c%e9%9d%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195307\/","title":{"rendered":"\u512a\u5316\u7db2\u7ad9\u6027\u80fdRedis\u7de9\u5b58\u8207\u975c\u614b\u8b8a\u91cf\u53ef\u8abf\u6574\uff08redis\u7de9\u5b58\u548c\u975c\u614b\u8b8a\u91cf\uff09"},"content":{"rendered":"<h1 id=\"%e5%84%aa%e5%8c%96%e7%b6%b2%e7%ab%99%e6%80%a7%e8%83%bd%ef%bc%9aredis%e7%b7%a9%e5%ad%98%e8%88%87%e9%9d%9c%e6%85%8b%e8%ae%8a%e9%87%8f%e5%8f%af%e8%aa%bf%e6%95%b4-nhnITOtLRw\">\u512a\u5316\u7db2\u7ad9\u6027\u80fd\uff1aRedis\u7de9\u5b58\u8207\u975c\u614b\u8b8a\u91cf\u53ef\u8abf\u6574<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u7db2\u7ad9\u6027\u80fd\u7684\u512a\u5316\u5c0d\u65bc\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u548c\u641c\u7d22\u5f15\u64ce\u6392\u540d\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u7528\u6236\u5c0d\u7db2\u7ad9\u52a0\u8f09\u901f\u5ea6\u7684\u671f\u671b\u4e0d\u65b7\u63d0\u9ad8\uff0c\u958b\u767c\u8005\u548c\u7db2\u7ad9\u7ba1\u7406\u54e1\u9700\u8981\u63a1\u53d6\u6709\u6548\u7684\u63aa\u65bd\u4f86\u78ba\u4fdd\u7db2\u7ad9\u7684\u5feb\u901f\u97ff\u61c9\u3002\u5176\u4e2d\uff0cRedis\u7de9\u5b58\u548c\u975c\u614b\u8b8a\u91cf\u7684\u8abf\u6574\u662f\u5169\u7a2e\u5e38\u898b\u4e14\u6709\u6548\u7684\u512a\u5316\u6280\u8853\u3002<\/p>\n<h2 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id=\"redis%e7%b7%a9%e5%ad%98%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-nhnITOtLRw\">Redis\u7de9\u5b58\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n<p>\u7576\u7528\u6236\u8acb\u6c42\u67d0\u500b\u8cc7\u6e90\u6642\uff0c\u7cfb\u7d71\u9996\u5148\u6aa2\u67e5Redis\u7de9\u5b58\u4e2d\u662f\u5426\u5b58\u5728\u8a72\u8cc7\u6e90\u3002\u5982\u679c\u5b58\u5728\uff0c\u5247\u76f4\u63a5\u5f9e\u7de9\u5b58\u4e2d\u8fd4\u56de\u6578\u64da\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u67e5\u8a62\u3002\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5247\u5f9e\u6578\u64da\u5eab\u4e2d\u7372\u53d6\u6578\u64da\uff0c\u4e26\u5c07\u5176\u5b58\u5165Redis\u7de9\u5b58\uff0c\u4ee5\u4fbf\u4e0b\u6b21\u8acb\u6c42\u6642\u4f7f\u7528\u3002<\/p>\n<pre><code>function getData($key) {\n    \/\/ \u6aa2\u67e5Redis\u7de9\u5b58\n    $data = $redis-&gt;get($key);\n    if ($data) {\n        return $data; \/\/ \u8fd4\u56de\u7de9\u5b58\u6578\u64da\n    } else {\n        \/\/ \u5f9e\u6578\u64da\u5eab\u7372\u53d6\u6578\u64da\n        $data = fetchFromDatabase($key);\n        \/\/ \u5c07\u6578\u64da\u5b58\u5165Redis\u7de9\u5b58\n        $redis-&gt;set($key, $data);\n        return $data;\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e9%9d%9c%e6%85%8b%e8%ae%8a%e9%87%8f%e7%9a%84%e5%8f%af%e8%aa%bf%e6%95%b4%e6%80%a7-nhnITOtLRw\">\u975c\u614b\u8b8a\u91cf\u7684\u53ef\u8abf\u6574\u6027<\/h2>\n<p>\u975c\u614b\u8b8a\u91cf\u662f\u6307\u5728\u7a0b\u5e8f\u904b\u884c\u671f\u9593\u4fdd\u6301\u4e0d\u8b8a\u7684\u8b8a\u91cf\u3002\u9019\u4e9b\u8b8a\u91cf\u901a\u5e38\u7528\u65bc\u5b58\u5132\u4e0d\u6703\u983b\u7e41\u8b8a\u52d5\u7684\u6578\u64da\uff0c\u5982\u914d\u7f6e\u53c3\u6578\u6216\u5e38\u7528\u7684\u67e5\u8a62\u7d50\u679c\u3002\u901a\u904e\u5408\u7406\u5730\u4f7f\u7528\u975c\u614b\u8b8a\u91cf\uff0c\u53ef\u4ee5\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u8a08\u7b97\u548c\u6578\u64da\u5eab\u67e5\u8a62\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h3 id=\"%e9%9d%9c%e6%85%8b%e8%ae%8a%e9%87%8f%e7%9a%84%e5%84%aa%e5%8b%a2-nhnITOtLRw\">\u975c\u614b\u8b8a\u91cf\u7684\u512a\u52e2<\/h3>\n<ul>\n<li><strong>\u6e1b\u5c11\u8a08\u7b97\u958b\u92b7\uff1a<\/strong>\u975c\u614b\u8b8a\u91cf\u53ef\u4ee5\u907f\u514d\u91cd\u8907\u8a08\u7b97\u76f8\u540c\u7684\u503c\uff0c\u5f9e\u800c\u7bc0\u7701\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u97ff\u61c9\u901f\u5ea6\uff1a<\/strong>\u7531\u65bc\u975c\u614b\u8b8a\u91cf\u7684\u503c\u5728\u5167\u5b58\u4e2d\u4fdd\u6301\u4e0d\u8b8a\uff0c\u8a2a\u554f\u901f\u5ea6\u6bd4\u5f9e\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\u8981\u5feb\u5f97\u591a\u3002<\/li>\n<li><strong>\u7c21\u5316\u4ee3\u78bc\uff1a<\/strong>\u4f7f\u7528\u975c\u614b\u8b8a\u91cf\u53ef\u4ee5\u4f7f\u4ee3\u78bc\u66f4\u7c21\u6f54\uff0c\u6613\u65bc\u7dad\u8b77\u3002<\/li>\n<\/ul>\n<pre><code>static $config = null;\n\nfunction getConfig() {\n    global $config;\n    if ($config === null) {\n        $config = loadConfigFromFile();\n    }\n    return $config;\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e5%90%88%e4%bd%bf%e7%94%a8redis%e7%b7%a9%e5%ad%98%e8%88%87%e9%9d%9c%e6%85%8b%e8%ae%8a%e9%87%8f-nhnITOtLRw\">\u7d50\u5408\u4f7f\u7528Redis\u7de9\u5b58\u8207\u975c\u614b\u8b8a\u91cf<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u5c07Redis\u7de9\u5b58\u8207\u975c\u614b\u8b8a\u91cf\u7d50\u5408\u4f7f\u7528\uff0c\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u5347\u7db2\u7ad9\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c07\u4e00\u4e9b\u4e0d\u5e38\u8b8a\u52d5\u7684\u6578\u64da\u7de9\u5b58\u5728Redis\u4e2d\uff0c\u4e26\u4f7f\u7528\u975c\u614b\u8b8a\u91cf\u4f86\u5b58\u5132\u9019\u4e9b\u6578\u64da\u7684\u5f15\u7528\u3002\u9019\u6a23\uff0c\u7576\u9700\u8981\u8a2a\u554f\u9019\u4e9b\u6578\u64da\u6642\uff0c\u7cfb\u7d71\u53ef\u4ee5\u9996\u5148\u6aa2\u67e5\u975c\u614b\u8b8a\u91cf\uff0c\u5982\u679c\u975c\u614b\u8b8a\u91cf\u70ba\u7a7a\uff0c\u5247\u518d\u53bbRedis\u4e2d\u67e5\u8a62\u3002<\/p>\n<pre><code>static $cachedData = null;\n\nfunction getCachedData($key) {\n    global $cachedData;\n    if ($cachedData === null) {\n        $cachedData = $redis-&gt;get($key);\n        if ($cachedData === false) {\n            $cachedData = fetchFromDatabase($key);\n            $redis-&gt;set($key, $cachedData);\n        }\n    }\n    return $cachedData;\n}\n<\/code><\/pre>\n<h2 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