destroy.php

是个关于网格编程的程序

<?php
//*****************************************
//       id: destroy
//       EasyTalk V3.0 2008.5.6 20:50
//       by 仙踪云影
//*****************************************

header('Content-Type:text/html;charset=GBK');
require_once '../common.php';
  if (!isset($_SERVER['PHP_AUTH_USER'])) {
    header('WWW-Authenticate: Basic realm="EasyTalk"');
    header('HTTP/1.0 401 Unauthorized');
    echo '验证失败';
    exit;
  } else {
	$account=$_SERVER['PHP_AUTH_USER'];
	$pass=$_SERVER['PHP_AUTH_PW'];
	if ($account) {
		$sql = "select user_id,username,password,user_pic,user_province from ".$DBprefix."users where mailadres='$account' or user_id='$account' or username='$account'";
		$query = $db->query($sql);
		$data = $db->fetch_array($query);
		$u_id=$data['user_id'];
		$u_pass=$data['password'];
		$u_name=$data['username'];
		$u_pic=$data['user_pic'];
        $u_province=$data['user_province'];
		if ($u_pass!=md5($pass)) {
			header('WWW-Authenticate: Basic realm="EasyTalk"');
			header('HTTP/1.0 401 Unauthorized');
			echo '验证失败';
			exit;
		} else {
		$id=$_POST['id'];
		if ($id) {
		$sql = "select * from ".$DBprefix."share where share_id='$id'";
		$query = $db->query($sql);
		$data = $db->fetch_array($query);
		$share_id=$data['share_id'];
		$s_uid=$data['user_id'];
		$content_body=$data['content_body'];
		$share_time=$data['share_time'];
		$share_time=gmdate('Y-m-d H:i:s',$share_time+8*3600);
		if (!$s_uid) {
		echo "没有这条消息";
		} else if ($s_uid && $s_uid!=$u_id) {
		echo "这不是你的消息";
		} else {
		$query = "DELETE FROM ".$DBprefix."share WHERE share_id='$id'";
		mysql_query($query);
		$query2 = "DELETE FROM ".$DBprefix."reply WHERE share_id='$id'";
		mysql_query($query2);
		echo "id=$share_id 删除成功";
		}
		}
		}
	} else {
		header('WWW-Authenticate: Basic realm="EasyTalk"');
		header('HTTP/1.0 401 Unauthorized');
		echo "验证失败";
	}
  }
?>