{"id":61625,"date":"2024-10-13T12:28:17","date_gmt":"2024-10-13T04:28:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61625\/"},"modified":"2024-10-13T12:28:18","modified_gmt":"2024-10-13T04:28:18","slug":"html%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b6%81%e5%ae%9a%e7%9a%84%e6%96%87%e6%9c%ac%e6%a1%86%e6%93%8d%e4%bd%9c-html%e6%96%87%e6%9c%ac%e6%a1%86%e7%b6%81%e5%ae%9a%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61625\/","title":{"rendered":"HTML\u5be6\u73fe\u6578\u64da\u5eab\u7d81\u5b9a\u7684\u6587\u672c\u6846\u64cd\u4f5c (html\u6587\u672c\u6846\u7d81\u5b9a\u6578\u64da\u5eab)"},"content":{"rendered":"

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<form action=\"submit.php\" method=\"post\">\n    <label for=\"username\">\u7528\u6236\u540d:<\/label>\n    <input type=\"text\" id=\"username\" name=\"username\">\n    <input type=\"submit\" value=\"\u63d0\u4ea4\">\n<\/form><\/code><\/pre>\n
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<?php\n$servername = \"localhost\";\n$username = \"root\";\n$password = \"\";\n$dbname = \"myDB\";\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: \" . $conn->connect_error);\n}\n\n\/\/ \u7372\u53d6\u7528\u6236\u540d\nif ($_SERVER[\"REQUEST_METHOD\"] == \"POST\") {\n    $user = $_POST['username'];\n    \n    \/\/ \u63d2\u5165\u6578\u64da\n    $sql = \"INSERT INTO users (username) VALUES ('$user')\";\n    \n    if ($conn->query($sql) === TRUE) {\n        echo \"\u65b0\u8a18\u9304\u5275\u5efa\u6210\u529f\";\n    } else {\n        echo \"\u932f\u8aa4: \" . $sql . \"<br>\" . $conn->error;\n    }\n}\n\n$conn->close();\n?><\/code><\/pre>\n
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<?php\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: \" . $conn->connect_error);\n}\n\n\/\/ \u5f9e\u6578\u64da\u5eab\u8b80\u53d6\u6578\u64da\n$sql = \"SELECT username FROM users WHERE id=1\"; \/\/ \u5047\u8a2d\u6211\u5011\u8981\u8b80\u53d6ID\u70ba1\u7684\u7528\u6236\n$result = $conn->query($sql);\n\nif ($result->num_rows > 0) {\n    \/\/ \u8f38\u51fa\u6578\u64da\n    while($row = $result->fetch_assoc()) {\n        echo \"<input type='text' value='\" . $row[\"username\"] . \"'>\";\n    }\n} else {\n    echo \"0 \u7d50\u679c\";\n}\n\n$conn->close();\n?><\/code><\/pre>\n
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