{"id":160043,"date":"2024-11-03T19:48:20","date_gmt":"2024-11-03T11:48:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160043\/"},"modified":"2024-11-03T19:48:22","modified_gmt":"2024-11-03T11:48:22","slug":"mysql-%e6%95%99%e7%a8%8b-mysql-%e9%80%a3%e6%8e%a5%e7%9a%84%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160043\/","title":{"rendered":"MYSQL \u6559\u7a0b MySQL \u9023\u63a5\u7684\u4f7f\u7528"},"content":{"rendered":"<h1 id=\"mysql-%e6%95%99%e7%a8%8b%ef%bc%9amysql-%e9%80%a3%e6%8e%a5%e7%9a%84%e4%bd%bf%e7%94%a8-FmghBLHZgu\">MySQL \u6559\u7a0b\uff1aMySQL \u9023\u63a5\u7684\u4f7f\u7528<\/h1>\n<p>MySQL \u662f\u4e00\u7a2e\u6d41\u884c\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u7db2\u7ad9\u9084\u662f\u5927\u578b\u4f01\u696d\u61c9\u7528\uff0cMySQL \u90fd\u80fd\u63d0\u4f9b\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u3002\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u5982\u4f55\u9023\u63a5\u5230 MySQL \u6578\u64da\u5eab\uff0c\u4e26\u4ecb\u7d39\u4e00\u4e9b\u57fa\u672c\u7684\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"1-%e9%80%a3%e6%8e%a5-mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-FmghBLHZgu\">1. \u9023\u63a5 MySQL \u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u4e86\u89e3 MySQL \u7684\u9023\u63a5\u904e\u7a0b\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u9023\u63a5 MySQL \u6578\u64da\u5eab\u901a\u5e38\u9700\u8981\u4ee5\u4e0b\u5e7e\u500b\u8981\u7d20\uff1a<\/p>\n<ul>\n<li><strong>\u4e3b\u6a5f\u540d\uff08Host\uff09<\/strong>\uff1a\u6578\u64da\u5eab\u670d\u52d9\u5668\u7684\u5730\u5740\uff0c\u901a\u5e38\u662f localhost \u6216 IP \u5730\u5740\u3002<\/li>\n<li><strong>\u7528\u6236\u540d\uff08Username\uff09<\/strong>\uff1a\u7528\u65bc\u767b\u9304\u6578\u64da\u5eab\u7684\u7528\u6236\u540d\u3002<\/li>\n<li><strong>\u5bc6\u78bc\uff08Password\uff09<\/strong>\uff1a\u7528\u6236\u540d\u5c0d\u61c9\u7684\u5bc6\u78bc\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u540d\u7a31\uff08Database Name\uff09<\/strong>\uff1a\u8981\u9023\u63a5\u7684\u5177\u9ad4\u6578\u64da\u5eab\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8-php-%e9%80%a3%e6%8e%a5-mysql-FmghBLHZgu\">2. \u4f7f\u7528 PHP \u9023\u63a5 MySQL<\/h2>\n<p>PHP \u662f\u4e00\u7a2e\u5e38\u7528\u7684\u5f8c\u7aef\u958b\u767c\u8a9e\u8a00\uff0c\u8207 MySQL \u7684\u7d50\u5408\u975e\u5e38\u7dca\u5bc6\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 PHP \u9023\u63a5 MySQL \u6578\u64da\u5eab\u7684\u57fa\u672c\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>&lt;?php\n\/\/ \u8a2d\u5b9a\u6578\u64da\u5eab\u9023\u63a5\u53c3\u6578\n$host = \"localhost\";\n$username = \"your_username\";\n$password = \"your_password\";\n$database = \"your_database\";\n\n\/\/ \u5275\u5efa\u9023\u63a5\n$conn = new mysqli($host, $username, $password, $database);\n\n\/\/ \u6aa2\u67e5\u9023\u63a5\nif ($conn-&gt;connect_error) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . $conn-&gt;connect_error);\n}\necho \"\u6210\u529f\u9023\u63a5\u5230 MySQL \u6578\u64da\u5eab\";\n?&gt;<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86 MySQLi \u64f4\u5c55\u4f86\u5275\u5efa\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u9996\u5148\uff0c\u6211\u5011\u8a2d\u7f6e\u4e86\u6578\u64da\u5eab\u7684\u4e3b\u6a5f\u540d\u3001\u7528\u6236\u540d\u3001\u5bc6\u78bc\u548c\u6578\u64da\u5eab\u540d\u7a31\u3002\u7136\u5f8c\uff0c\u6211\u5011\u4f7f\u7528 <code>new mysqli()<\/code> \u65b9\u6cd5\u4f86\u5275\u5efa\u9023\u63a5\uff0c\u4e26\u6aa2\u67e5\u9023\u63a5\u662f\u5426\u6210\u529f\u3002<\/p>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8-pdo-%e9%80%a3%e6%8e%a5-mysql-FmghBLHZgu\">3. \u4f7f\u7528 PDO \u9023\u63a5 MySQL<\/h2>\n<p>\u9664\u4e86 MySQLi\uff0cPHP \u9084\u63d0\u4f9b\u4e86 PDO\uff08PHP Data Objects\uff09\u64f4\u5c55\uff0c\u9019\u662f\u4e00\u7a2e\u66f4\u9748\u6d3b\u7684\u6578\u64da\u5eab\u8a2a\u554f\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 PDO \u9023\u63a5 MySQL \u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>&lt;?php\n\/\/ \u8a2d\u5b9a\u6578\u64da\u5eab\u9023\u63a5\u53c3\u6578\n$host = \"localhost\";\n$username = \"your_username\";\n$password = \"your_password\";\n$database = \"your_database\";\n\ntry {\n    \/\/ \u5275\u5efa PDO \u9023\u63a5\n    $conn = new PDO(\"mysql:host=$host;dbname=$database\", $username, $password);\n    \/\/ \u8a2d\u5b9a\u932f\u8aa4\u6a21\u5f0f\u70ba\u7570\u5e38\n    $conn-&gt;setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);\n    echo \"\u6210\u529f\u9023\u63a5\u5230 MySQL \u6578\u64da\u5eab\";\n} catch (PDOException $e) {\n    echo \"\u9023\u63a5\u5931\u6557: \" . $e-&gt;getMessage();\n}\n?&gt;<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86 PDO \u4f86\u5275\u5efa\u8207 MySQL \u7684\u9023\u63a5\u3002PDO \u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u932f\u8aa4\u8655\u7406\u548c\u591a\u6578\u64da\u5eab\u652f\u6301\uff0c\u4f7f\u5176\u6210\u70ba\u4e00\u500b\u66f4\u9748\u6d3b\u7684\u9078\u64c7\u3002<\/p>\n<h2 id=\"4-%e5%b8%b8%e8%a6%8b%e7%9a%84%e9%80%a3%e6%8e%a5%e5%95%8f%e9%a1%8c%e5%8f%8a%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-FmghBLHZgu\">4. \u5e38\u898b\u7684\u9023\u63a5\u554f\u984c\u53ca\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u5728\u9023\u63a5 MySQL \u6578\u64da\u5eab\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u9023\u63a5\u62d2\u7d55\uff08Connection Refused\uff09<\/strong>\uff1a\u6aa2\u67e5 MySQL \u670d\u52d9\u662f\u5426\u6b63\u5728\u904b\u884c\uff0c\u4e26\u78ba\u4fdd\u4f7f\u7528\u6b63\u78ba\u7684\u4e3b\u6a5f\u540d\u548c\u7aef\u53e3\u3002<\/li>\n<li><strong>\u8eab\u4efd\u9a57\u8b49\u5931\u6557\uff08Authentication Failed\uff09<\/strong>\uff1a\u78ba\u8a8d\u7528\u6236\u540d\u548c\u5bc6\u78bc\u662f\u5426\u6b63\u78ba\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u4e0d\u5b58\u5728\uff08Database Does Not Exist\uff09<\/strong>\uff1a\u6aa2\u67e5\u6578\u64da\u5eab\u540d\u7a31\u662f\u5426\u6b63\u78ba\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-FmghBLHZgu\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u5011\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528 PHP \u548c PDO \u9023\u63a5 MySQL \u6578\u64da\u5eab\uff0c\u4e26\u63a2\u8a0e\u4e86\u4e00\u4e9b\u5e38\u898b\u7684\u9023\u63a5\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002\u7121\u8ad6\u60a8\u662f\u958b\u767c\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u7cfb\u7d71\uff0c\u638c\u63e1 MySQL \u7684\u9023\u63a5\u65b9\u6cd5\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u4f86\u904b\u884c\u60a8\u7684 MySQL \u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 MySQL \u9023\u63a5\uff0c\u638c\u63e1\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u57fa\u790e\u77e5\u8b58\uff0c\u63d0\u5347\u60a8\u7684\u6578\u64da\u7ba1\u7406\u6280\u80fd\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-160043","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160043","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=160043"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160043\/revisions"}],"predecessor-version":[{"id":160044,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160043\/revisions\/160044"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160043"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160043"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160043"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}