<?php

$user = ""; //数据库用户名
$password = ""; //数据库密码
$db_name = ""; //数据库名

$link = mysql_connect("localhost:3306",$user,$password);
mysql_select_db("$db_name",$link);
echo "<p>正在清空数据库...";
$result=mysql_query("SHOW tables",$link);
while ($currow=mysql_fetch_array($result)) {
mysql_query("drop TABLE IF EXISTS $currow[0]");
echo $currow[0]."<br>";
}
echo "成功</p>";

?>