mysqli 多语句

<?php
$host = 'localhost';
$user = 'username';
$password = 'password';
$dbname = 'database_name';

// 创建连接
$conn = new mysqli($host, $user, $password, $dbname);

// 检查连接
if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}

// 开启事务
$conn->begin_transaction();

try {
    // 执行多个 SQL 语句
    $sql = "INSERT INTO table1 (column1, column2) VALUES ('value1', 'value2');";
    $sql .= "UPDATE table2 SET column1 = 'new_value' WHERE id = 1;";
    $sql .= "DELETE FROM table3 WHERE id = 2;";

    if ($conn->multi_query($sql)) {
        // 获取结果集
        do {
            if ($result = $conn->store_result()) {
                // 处理结果集
                $result->free();
            }
        } while ($conn->next_result());
    }

    // 提交事务
    $conn->commit();
} catch (Exception $e) {
    // 回滚事务
    $conn->rollback();
    echo "发生错误: " . $e->getMessage();
}

// 关闭连接
$conn->close();
?>