<?php
$ID=$_GET['id'];
include('connect_db.php');
//從數據庫里讀出用戶信息
$str_sql="select state from usertable where id=$ID ";
if(!$result=mysql_query($str_sql))
{
	echo "執行語句出錯";
        exit();
}
$row=mysql_fetch_object($result);
$state=$row->state;
switch($state)
{
	case 0 :
	case 1 :
	$state=-1;
	$str_sql="update usertable set state=$state where id=$ID ";
	if(!$result=mysql_query($str_sql))
	{
		echo "執行語句出錯";
        	exit();
	}
	break;
	case -1 :
	break;
}
Header("Location: index.php");
?>