php 删除mysql表

<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database_name";

// 创建连接
$conn = new mysqli($servername, $username, $password, $dbname);

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

// 删除表的SQL语句
$sql = "DROP TABLE table_name";

if ($conn->query($sql) === TRUE) {
    echo "表删除成功";
} else {
    echo "删除表时出错: " . $conn->error;
}

// 关闭连接
$conn->close();
?>

<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database_name";

// 创建连接
$conn = new mysqli($servername, $username, $password, $dbname);

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

// 检查表是否存在
$sql_check = "SELECT 1 FROM table_name LIMIT 1";
$result = $conn->query($sql_check);

if ($result) {
    // 表存在，执行删除操作
    $sql_drop = "DROP TABLE table_name";
    if ($conn->query($sql_drop) === TRUE) {
        echo "表删除成功";
    } else {
        echo "删除表时出错: " . $conn->error;
    }
} else {
    echo "表不存在";
}

// 关闭连接
$conn->close();
?>