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php实现网站会员打卡签到
<? require_once('session.php'); ?>
<? require_once('conn.php'); ?>
<?
session_start();
if($_SESSION['Username'] == ""){ // 未登录
echo "<script LANGUAGE='javascript'>alert('您没有登录，无法使用该功能！');history.go(-1);</script>";
}
else
{
$Username=$_SESSION['Username'];
}
?>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>签到</title>
</head>
<body>
<?
$LastLoginTime=date('Y-m-d');
$mSql="select * from [User] where LastLoginTime=#".$LastLoginTime."# ";
$rs=new COM("adodb.recordset");
$rs->open($mSql,$conn,1,1);
$paixu=$rs->RecordCount();
$rs->close();
if($paixu>0){
echo "<script LANGUAGE='javascript'>alert('您已经签到,请勿重复签到!');window.close();</script>";
}
else
{
$rs->open("select * from [User] where username='{$_SESSION["Username"]}'",$conn,1,3);
$UserLogins = $rs->Fields(UserLogins)->value;
$rs->Fields(UserLogins)->value=$UserLogins+1;
$rs->Fields(LastLoginTime)->value=date('Y-m-d');
$rs->update();
$rs->close();
echo "<script LANGUAGE='javascript'>alert('签到成功!');window.close();</script>";
}
?>
</body>
</html>
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