{"id":157066,"date":"2024-11-02T21:29:23","date_gmt":"2024-11-02T13:29:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/157066\/"},"modified":"2024-11-02T21:29:24","modified_gmt":"2024-11-02T13:29:24","slug":"%e5%b0%81%e8%a3%9d%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e9%a1%9e%ef%bc%8c%e6%8f%90%e9%ab%98%e7%a8%8b%e5%ba%8f%e5%81%a5%e5%a3%af%e6%80%a7%e3%80%82%ef%bc%88%e7%94%a8%e9%a1%9e%e5%b0%81%e8%a3%9d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/157066\/","title":{"rendered":"\u5c01\u88dd\u6578\u64da\u5eab\u9023\u63a5\u985e\uff0c\u63d0\u9ad8\u7a0b\u5e8f\u5065\u58ef\u6027\u3002\uff08\u7528\u985e\u5c01\u88dd\u9023\u63a5\u6578\u64da\u5eab\uff09"},"content":{"rendered":"<h1 id=\"%e5%b0%81%e8%a3%9d%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e9%a1%9e%ef%bc%8c%e6%8f%90%e9%ab%98%e7%a8%8b%e5%ba%8f%e5%81%a5%e5%a3%af%e6%80%a7-KqxYDjvGSn\">\u5c01\u88dd\u6578\u64da\u5eab\u9023\u63a5\u985e\uff0c\u63d0\u9ad8\u7a0b\u5e8f\u5065\u58ef\u6027<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u5df2\u7d93\u6210\u70ba\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7121\u8ad6\u662f\u7db2\u7ad9\u3001\u79fb\u52d5\u61c9\u7528\u9084\u662f\u4f01\u696d\u7cfb\u7d71\uff0c\u6578\u64da\u5eab\u90fd\u627f\u64d4\u8457\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u7684\u91cd\u4efb\u3002\u7136\u800c\uff0c\u76f4\u63a5\u5728\u4ee3\u78bc\u4e2d\u8655\u7406\u6578\u64da\u5eab\u9023\u63a5\u53ef\u80fd\u6703\u5c0e\u81f4\u591a\u7a2e\u554f\u984c\uff0c\u4f8b\u5982\u4ee3\u78bc\u91cd\u8907\u3001\u932f\u8aa4\u8655\u7406\u4e0d\u7576\u4ee5\u53ca\u7dad\u8b77\u56f0\u96e3\u7b49\u3002\u56e0\u6b64\uff0c\u5c01\u88dd\u6578\u64da\u5eab\u9023\u63a5\u985e\u662f\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ef\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%b0%81%e8%a3%9d%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-KqxYDjvGSn\">\u70ba\u4ec0\u9ebc\u9700\u8981\u5c01\u88dd\u6578\u64da\u5eab\u9023\u63a5<\/h2>\n<p>\u5c01\u88dd\u6578\u64da\u5eab\u9023\u63a5\u7684\u4e3b\u8981\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u4ee3\u78bc\u91cd\u7528\u6027\uff1a<\/strong>\u901a\u904e\u5c01\u88dd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u5730\u65b9\u91cd\u8907\u4f7f\u7528\u76f8\u540c\u7684\u6578\u64da\u5eab\u9023\u63a5\u4ee3\u78bc\uff0c\u6e1b\u5c11\u91cd\u8907\u4ee3\u78bc\u7684\u51fa\u73fe\u3002<\/li>\n<li><strong>\u932f\u8aa4\u8655\u7406\uff1a<\/strong>\u5c01\u88dd\u53ef\u4ee5\u96c6\u4e2d\u8655\u7406\u6578\u64da\u5eab\u9023\u63a5\u4e2d\u7684\u932f\u8aa4\uff0c\u5f9e\u800c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u3002<\/li>\n<li><strong>\u6613\u65bc\u7dad\u8b77\uff1a<\/strong>\u7576\u6578\u64da\u5eab\u9023\u63a5\u7684\u908f\u8f2f\u9700\u8981\u66f4\u6539\u6642\uff0c\u53ea\u9700\u4fee\u6539\u5c01\u88dd\u985e\uff0c\u800c\u4e0d\u5fc5\u5728\u591a\u500b\u5730\u65b9\u9032\u884c\u4fee\u6539\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u5b89\u5168\u6027\uff1a<\/strong>\u901a\u904e\u5c01\u88dd\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u63a7\u5236\u6578\u64da\u5eab\u7684\u8a2a\u554f\u6b0a\u9650\uff0c\u6e1b\u5c11\u6f5b\u5728\u7684\u5b89\u5168\u98a8\u96aa\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%b0%81%e8%a3%9d%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e9%a1%9e-KqxYDjvGSn\">\u5982\u4f55\u5c01\u88dd\u6578\u64da\u5eab\u9023\u63a5\u985e<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 PHP \u4e2d\u5c01\u88dd\u6578\u64da\u5eab\u9023\u63a5\u985e\uff1a<\/p>\n<pre><code>\nclass Database {\n    private $host;\n    private $username;\n    private $password;\n    private $dbname;\n    private $conn;\n\n    public function __construct($host, $username, $password, $dbname) {\n        $this-&gt;host = $host;\n        $this-&gt;username = $username;\n        $this-&gt;password = $password;\n        $this-&gt;dbname = $dbname;\n        $this-&gt;connect();\n    }\n\n    private function connect() {\n        $this-&gt;conn = new mysqli($this-&gt;host, $this-&gt;username, $this-&gt;password, $this-&gt;dbname);\n        if ($this-&gt;conn-&gt;connect_error) {\n            die(\"\u9023\u63a5\u5931\u6557: \" . $this-&gt;conn-&gt;connect_error);\n        }\n    }\n\n    public function query($sql) {\n        return $this-&gt;conn-&gt;query($sql);\n    }\n\n    public function close() {\n        $this-&gt;conn-&gt;close();\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>Database<\/code> \u7684\u985e\uff0c\u8a72\u985e\u8ca0\u8cac\u7ba1\u7406\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u69cb\u9020\u51fd\u6578\u63a5\u53d7\u6578\u64da\u5eab\u7684\u4e3b\u6a5f\u540d\u3001\u7528\u6236\u540d\u3001\u5bc6\u78bc\u548c\u6578\u64da\u5eab\u540d\u7a31\uff0c\u4e26\u5728\u5be6\u4f8b\u5316\u6642\u81ea\u52d5\u5efa\u7acb\u9023\u63a5\u3002<code>connect<\/code> \u65b9\u6cd5\u7528\u65bc\u5efa\u7acb\u9023\u63a5\uff0c\u800c <code>query<\/code> \u65b9\u6cd5\u5247\u7528\u65bc\u57f7\u884c SQL \u67e5\u8a62\u3002\u6700\u5f8c\uff0c<code>close<\/code> \u65b9\u6cd5\u7528\u65bc\u95dc\u9589\u9023\u63a5\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-KqxYDjvGSn\">\u932f\u8aa4\u8655\u7406\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u5c01\u88dd\u6578\u64da\u5eab\u9023\u63a5\u6642\uff0c\u932f\u8aa4\u8655\u7406\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u7570\u5e38\u8655\u7406\uff1a<\/strong>\u5728 PHP \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>try-catch<\/code> \u584a\u4f86\u6355\u7372\u548c\u8655\u7406\u7570\u5e38\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u7a0b\u5e8f\u5d29\u6f70\u3002<\/li>\n<li><strong>\u8a18\u9304\u932f\u8aa4\uff1a<\/strong>\u5c07\u932f\u8aa4\u4fe1\u606f\u8a18\u9304\u5230\u65e5\u8a8c\u6587\u4ef6\u4e2d\uff0c\u4ee5\u4fbf\u5f8c\u7e8c\u5206\u6790\u548c\u8abf\u8a66\u3002<\/li>\n<li><strong>\u63d0\u4f9b\u53cb\u597d\u7684\u932f\u8aa4\u4fe1\u606f\uff1a<\/strong>\u5c0d\u65bc\u7528\u6236\u4f86\u8aaa\uff0c\u63d0\u4f9b\u53cb\u597d\u7684\u932f\u8aa4\u4fe1\u606f\u6bd4\u986f\u793a\u6280\u8853\u7d30\u7bc0\u66f4\u70ba\u91cd\u8981\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-KqxYDjvGSn\">\u7d50\u8ad6<\/h2>\n<p>\u5c01\u88dd\u6578\u64da\u5eab\u9023\u63a5\u985e\u662f\u4e00\u7a2e\u63d0\u9ad8\u7a0b\u5e8f\u5065\u58ef\u6027\u7684\u91cd\u8981\u6280\u8853\u3002\u901a\u904e\u96c6\u4e2d\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u91cd\u7528\u6027\u3001\u53ef\u7dad\u8b77\u6027\u548c\u5b89\u5168\u6027\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u8907\u96dc\u6027\u589e\u52a0\uff0c\u9019\u7a2e\u5c01\u88dd\u65b9\u6cd5\u5c07\u8b8a\u5f97\u8d8a\u4f86\u8d8a\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\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5c01\u88dd\u6578\u64da\u5eab\u9023\u63a5\u985e\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u5065\u58ef\u6027\uff0c\u7c21\u5316\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u589e\u5f37\u932f\u8aa4\u8655\u7406\u548c\u8cc7\u6e90\u7ba1\u7406\uff0c\u63d0\u5347\u958b\u767c\u6548\u7387\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-157066","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157066","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=157066"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157066\/revisions"}],"predecessor-version":[{"id":157067,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157066\/revisions\/157067"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=157066"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=157066"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=157066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}