PHP 连接 MySQL

实例 (MySQLi - 面向过程)

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<?php $servername = "localhost"; $username = "username"; $password = "password";    // 创建连接 $conn = mysqli_connect($servername, $username, $password);    // 检测连接 if (!$conn) {     die("Connection failed: " . mysqli_connect_error()); } echo "连接成功"; ?>