login.inc.php

是个关于网格编程的程序

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

$act=$_POST['act'];
if($act!="login") {
echo  "<form method=\"post\" action=\"$webaddr/wap/index.php?action=login\" >".
	  "<h2>用户登陆</h2>".
	  "<h3>帐号：</h3><p><input type=\"text\" name=\"account\" value=\"\" /></p>".
	  "<h3>密码：</h3><p><input type=\"password\" name=\"loginpass\" value=\"\" /></p>".
	  "<p><input type=\"checkbox\" name=\"auto_login\" value=\"on\" checked=\"checked\" /> 下次自动登录</p>".
	  "<p><input type=\"hidden\" name=\"act\" value=\"login\" />".
	  "<input type=\"submit\" value=\"登录\" /></p>".
	  "</form>".
	  "<p>或者<a href=\"index.php?action=browse\">随便看看</a></p>".
      "<p>EasyTalk是一个迷你博客。</p><p>随时随地发消息</p><p>时时刻刻看朋友</p><p>手机、网页、MSN、QQ、GTalk</p>";
} else {
 $username=$_POST['account'];
 $password=$_POST['loginpass'];
 $auto_login=$_POST['auto_login'];
 $md5_password = md5($password);
 mysql_query("set names gbk");
 $sql = "SELECT password FROM ".$DBprefix."users where username='$username' or user_id='$username' or mailadres='$username'";
 $query = $db->query($sql);
 $data = $db->fetch_array($query);
 $upass=$data['password'];
  if ($upass==$md5_password) {
     if ($auto_login=="on") {
		setcookie("rememberCookieUname",$username,(time()+604800));
		setcookie("rememberCookiePassword",$md5_password,(time()+604800));
		}
	else {
		setcookie("rememberCookieUname",$username);
		setcookie("rememberCookiePassword",$md5_password);
		}
     echo "<br/><p>登陆成功,<a href='$webaddr/wap/index.php'>返回主页</a></p><br/>";
	 wapfooter();
	 exit();
  } else {
	 echo "<br /><p>登陆失败，用户名或密码错误</p><p><a href='$webaddr/wap/index.php?action=login'>返回主页</a></p><br />";
	 wapfooter();
	 exit();
  }
}
?>