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php mysql数据库以及数据表的创建

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发表于 2024-7-10 16:29:46 | 显示全部楼层 |阅读模式
<meta charset="UTF-8"> <!-- 1 数据库的创建--> <?php /* * Created by PhpStorm. * User: admirtor * Date: 2018/2/12 * Time: 13:19 */ $servername = "localhost"; $username = "root"; $password = "root"; // 创建连接 $conn = new mysqli($servername, $username, $password); // 检测连接 if ($conn->connect_error) { die("连接失败: " . $conn->connect_error); } // 创建数据库$sql = "CREATE DATABASE myDB"; if ($conn->query($sql) === TRUE) { echo "数据库创建成功"; } else { echo "Error creating database: " . $conn->error; } $conn->close(); ?><!--2 创建数据表--><?php $servername = "localhost"; $username = "root"; $password = "root"; $dbname = "myDB"; // 创建连接 $conn = new mysqli($servername, $username, $password, $dbname);// 检测连接 if ($conn->connect_error) { die("连接失败: " . $conn->connect_error); } // 运用 sql 创建数据表 $sql = "CREATE TABLE MyGuests ( id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY,firstname VARCHAR(30) NOT NULL, lastname VARCHAR(30) NOT NULL, email VARCHAR(50), reg_date TIMESTAMP )"; if ($conn->query($sql) === TRUE) { echo "Table MyGuests created successfully"; } else { echo "创建数据表错误: " . $conn->error; } $conn->close(); ?>
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