{"id":183934,"date":"2024-11-10T08:57:18","date_gmt":"2024-11-10T00:57:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183934\/"},"modified":"2024-11-10T08:57:19","modified_gmt":"2024-11-10T00:57:19","slug":"%e4%bd%bf%e7%94%a8php%e9%81%8d%e6%ad%b7mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%89%80%e6%9c%89%e8%a1%a8%e7%9a%84%e6%96%b9%e6%b3%95-mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e9%81%8d%e6%ad%b7%e6%89%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183934\/","title":{"rendered":"\u4f7f\u7528PHP\u904d\u6b77MySQL\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u65b9\u6cd5 (mysql\u6578\u64da\u5eab\u904d\u6b77\u6240\u6709\u8868 php)"},"content":{"rendered":"

\u4f7f\u7528PHP\u904d\u6b77MySQL\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u65b9\u6cd5<\/h1>\n

\u5728\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u7d93\u5e38\u9700\u8981\u5c0dMySQL\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u9032\u884c\u64cd\u4f5c\uff0c\u800c\u6709\u6642\u5019\u6211\u5011\u9700\u8981\u904d\u6b77\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\uff0c\u4ee5\u4fbf\u9032\u884c\u6578\u64da\u7684\u6aa2\u7d22\u3001\u66f4\u65b0\u6216\u522a\u9664\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528PHP\u4f86\u904d\u6b77MySQL\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n

1. \u9023\u63a5MySQL\u6578\u64da\u5eab<\/h2>\n

\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u4f7f\u7528PHP\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\u3002\u9019\u53ef\u4ee5\u901a\u904ePDO\u6216MySQLi\u64f4\u5c55\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528MySQLi\u7684\u9023\u63a5\u793a\u4f8b\uff1a<\/p>\n

\n$servername = \"localhost\";\n$username = \"username\";\n$password = \"password\";\n$dbname = \"database_name\";\n\n\/\/ \u5275\u5efa\u9023\u63a5\n$conn = new mysqli($servername, $username, $password, $dbname);\n\n\/\/ \u6aa2\u67e5\u9023\u63a5\nif ($conn->connect_error) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . $conn->connect_error);\n}\n<\/code><\/pre>\n
2. \u7372\u53d6\u6240\u6709\u8868\u540d<\/h2>\n
\u9023\u63a5\u5230\u6578\u64da\u5eab\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528SQL\u67e5\u8a62\u4f86\u7372\u53d6\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u540d\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u6240\u6709\u8868\u540d\u7684SQL\u8a9e\u53e5\uff1a<\/p>\n
\n$sql = \"SHOW TABLES\";\n$result = $conn->query($sql);\n<\/code><\/pre>\n
\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u904d\u6b77\u67e5\u8a62\u7d50\u679c\uff0c\u4e26\u5c07\u6240\u6709\u8868\u540d\u5b58\u5132\u5728\u4e00\u500b\u6578\u7d44\u4e2d\uff1a<\/p>\n
\n$tables = [];\nif ($result->num_rows > 0) {\n    while($row = $result->fetch_array()) {\n        $tables[] = $row[0]; \/\/ \u8868\u540d\u5728\u7b2c\u4e00\u5217\n    }\n}\n<\/code><\/pre>\n
3. \u904d\u6b77\u6bcf\u500b\u8868<\/h2>\n
\u73fe\u5728\u6211\u5011\u5df2\u7d93\u7372\u53d6\u4e86\u6240\u6709\u8868\u540d\uff0c\u63a5\u4e0b\u4f86\u53ef\u4ee5\u904d\u6b77\u6bcf\u500b\u8868\uff0c\u4e26\u57f7\u884c\u6240\u9700\u7684\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u67e5\u8a62\u6bcf\u500b\u8868\u4e2d\u7684\u6578\u64da\uff1a<\/p>\n
\nforeach ($tables as $table) {\n    echo \"\u8868\u540d: \" . $table . \"
\";\n\n    $sql = \"SELECT * FROM \" . $table;\n    $result = $conn->query($sql);\n\n    if ($result->num_rows > 0) {\n        while($row = $result->fetch_assoc()) {\n            \/\/ \u8f38\u51fa\u6bcf\u884c\u6578\u64da\n            echo \"\u6578\u64da: \" . implode(\", \", $row) . \"
\";\n        }\n    } else {\n        echo \"\u8a72\u8868\u6c92\u6709\u6578\u64da
\";\n    }\n}\n<\/code><\/pre>\n
4. \u95dc\u9589\u9023\u63a5<\/h2>\n
\u5b8c\u6210\u6240\u6709\u64cd\u4f5c\u5f8c\uff0c\u8a18\u5f97\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\uff1a<\/p>\n
\n$conn->close();\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u4f7f\u7528PHP\u904d\u6b77MySQL\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\u3002\u901a\u904e\u9023\u63a5\u6578\u64da\u5eab\u3001\u7372\u53d6\u8868\u540d\u3001\u904d\u6b77\u8868\u4e26\u57f7\u884c\u64cd\u4f5c\uff0c\u6211\u5011\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002\u9019\u7a2e\u65b9\u6cd5\u5728\u6578\u64da\u9077\u79fb\u3001\u5099\u4efd\u548c\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684PHP\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 \u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u4f7f\u7528PHP\u904d\u6b77MySQL\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\uff0c\u8f15\u9b06\u7372\u53d6\u8868\u540d\u548c\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\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-183934","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183934","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=183934"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183934\/revisions"}],"predecessor-version":[{"id":183935,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183934\/revisions\/183935"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183934"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183934"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183934"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}