{"id":175455,"date":"2024-11-08T06:01:18","date_gmt":"2024-11-07T22:01:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175455\/"},"modified":"2024-11-08T06:01:19","modified_gmt":"2024-11-07T22:01:19","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%96%ae%e4%be%8b%e6%a8%a1%e5%bc%8f%e5%ae%9a%e7%be%a9%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-%e5%96%ae%e4%be%8b%e6%a8%a1%e5%bc%8f%e5%ae%9a%e7%be%a9%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175455\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u55ae\u4f8b\u6a21\u5f0f\u5b9a\u7fa9\u6578\u64da\u5eab\uff1f (\u55ae\u4f8b\u6a21\u5f0f\u5b9a\u7fa9\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 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id=\"%e5%9c%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e4%bd%bf%e7%94%a8%e5%96%ae%e4%be%8b%e6%a8%a1%e5%bc%8f-EJsoMakEaM\">\u5728\u6578\u64da\u5eab\u4e2d\u4f7f\u7528\u55ae\u4f8b\u6a21\u5f0f<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\uff0c\u4f7f\u7528\u55ae\u4f8b\u6a21\u5f0f\u53ef\u4ee5\u78ba\u4fdd\u6240\u6709\u7684\u6578\u64da\u5eab\u8acb\u6c42\u90fd\u901a\u904e\u540c\u4e00\u500b\u9023\u63a5\u9032\u884c\uff0c\u9019\u6a23\u4e0d\u50c5\u80fd\u5920\u6e1b\u5c11\u8cc7\u6e90\u7684\u6d88\u8017\uff0c\u9084\u80fd\u63d0\u9ad8\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u6548\u7387\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 PHP \u8a9e\u8a00\u5be6\u73fe\u7684\u7c21\u55ae\u55ae\u4f8b\u6a21\u5f0f\u6578\u64da\u5eab\u9023\u63a5\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>\nclass Database {\n    private static $instance = null;\n    private $connection;\n\n    private function __construct() {\n        \/\/ \u6578\u64da\u5eab\u9023\u63a5\u53c3\u6578\n        $host = 'localhost';\n        $db = 'your_database';\n        $user = 'your_username';\n        $pass = 'your_password';\n        \n        \/\/ \u5275\u5efa\u6578\u64da\u5eab\u9023\u63a5\n        $this-&gt;connection = new PDO(\"mysql:host=$host;dbname=$db\", $user, $pass);\n        $this-&gt;connection-&gt;setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);\n    }\n\n    public static function getInstance() {\n        if (self::$instance == null) {\n            self::$instance = new Database();\n        }\n        return self::$instance;\n    }\n\n    public function getConnection() {\n        return $this-&gt;connection;\n    }\n}\n\n\/\/ \u4f7f\u7528\u793a\u4f8b\n$db = Database::getInstance()-&gt;getConnection();\n<\/code><\/pre>\n<h2 id=\"%e5%96%ae%e4%be%8b%e6%a8%a1%e5%bc%8f%e7%9a%84%e5%84%aa%e9%bb%9e-EJsoMakEaM\">\u55ae\u4f8b\u6a21\u5f0f\u7684\u512a\u9ede<\/h2>\n<p>\u4f7f\u7528\u55ae\u4f8b\u6a21\u5f0f\u4f86\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u6709\u591a\u500b\u512a\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u8cc7\u6e90\u7ba1\u7406\uff1a<\/strong>\u901a\u904e\u9650\u5236\u5be6\u4f8b\u7684\u6578\u91cf\uff0c\u55ae\u4f8b\u6a21\u5f0f\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u7cfb\u7d71\u8cc7\u6e90\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u958b\u92b7\u3002<\/li>\n<li><strong>\u5168\u5c40\u8a2a\u554f\uff1a<\/strong>\u55ae\u4f8b\u6a21\u5f0f\u63d0\u4f9b\u4e86\u4e00\u500b\u5168\u5c40\u8a2a\u554f\u9ede\uff0c\u65b9\u4fbf\u5728\u61c9\u7528\u7a0b\u5e8f\u7684\u4e0d\u540c\u90e8\u5206\u4f7f\u7528\u76f8\u540c\u7684\u6578\u64da\u5eab\u9023\u63a5\u3002<\/li>\n<li><strong>\u5ef6\u9072\u52a0\u8f09\uff1a<\/strong>\u5be6\u4f8b\u50c5\u5728\u7b2c\u4e00\u6b21\u88ab\u8acb\u6c42\u6642\u5275\u5efa\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u555f\u52d5\u6642\u7684\u958b\u92b7\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-EJsoMakEaM\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5118\u7ba1\u55ae\u4f8b\u6a21\u5f0f\u6709\u5176\u512a\u9ede\uff0c\u4f46\u5728\u4f7f\u7528\u6642\u4e5f\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u9700\u78ba\u4fdd\u55ae\u4f8b\u7684\u5be6\u73fe\u662f\u7dda\u7a0b\u5b89\u5168\u7684\uff0c\u4ee5\u907f\u514d\u7af6\u722d\u689d\u4ef6\u3002<\/li>\n<li>\u904e\u5ea6\u4f7f\u7528\u55ae\u4f8b\u6a21\u5f0f\u53ef\u80fd\u5c0e\u81f4\u4ee3\u78bc\u7684\u53ef\u6e2c\u8a66\u6027\u964d\u4f4e\uff0c\u56e0\u70ba\u5b83\u5f15\u5165\u4e86\u5168\u5c40\u72c0\u614b\u3002<\/li>\n<li>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u4f9d\u8cf4\u6ce8\u5165\u53ef\u80fd\u662f\u4e00\u500b\u66f4\u597d\u7684\u9078\u64c7\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9032\u884c\u55ae\u5143\u6e2c\u8a66\u6642\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-EJsoMakEaM\">\u7e3d\u7d50<\/h2>\n<p>\u55ae\u4f8b\u6a21\u5f0f\u662f\u4e00\u7a2e\u6709\u6548\u7684\u8a2d\u8a08\u6a21\u5f0f\uff0c\u7279\u5225\u9069\u5408\u7528\u65bc\u6578\u64da\u5eab\u9023\u63a5\u7684\u7ba1\u7406\u3002\u901a\u904e\u78ba\u4fdd\u53ea\u6709\u4e00\u500b\u6578\u64da\u5eab\u5be6\u4f8b\u5b58\u5728\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u8cc7\u6e90\u5229\u7528\u7387\u3002\u7136\u800c\uff0c\u5728\u5be6\u65bd\u6642\u4e5f\u9700\u8003\u616e\u5230\u591a\u7dda\u7a0b\u74b0\u5883\u7684\u5b89\u5168\u6027\u53ca\u4ee3\u78bc\u7684\u53ef\u6e2c\u8a66\u6027\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684\u8a2d\u8a08\u6a21\u5f0f\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u4f01\u696d\u9084\u662f\u5927\u578b\u4f01\u696d\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u65b9\u6848\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u55ae\u4f8b\u6a21\u5f0f\u5b9a\u7fa9\u6578\u64da\u5eab\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u9023\u63a5\u7684\u552f\u4e00\u6027\u8207\u9ad8\u6548\u6027\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u8cc7\u6e90\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-175455","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175455","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=175455"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175455\/revisions"}],"predecessor-version":[{"id":175456,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175455\/revisions\/175456"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175455"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175455"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}