<title>用户验证</title>
<?php
	session_start();
	$user=trim($_POST['user']);
	$pass=trim($_POST['pass']);
	if($user=="admin"&&$pass="admin"){
		echo "登录成功";
		$_SESSION['user']=$user;
		$_SESSION['pass']=$pass;
		$_SESSION['producelist']="";
		$_SESSION['quatity']="" ; //初始化购物车内没有商品
		echo "<meta http-equiv=\"refresh\" conten=\"3;url=books.php\">3秒转入主页，wait";//此行代码为什么不能自动跳转到books.php
	}else{
		echo "<script>alert('登录失败');history.back();</script>";
	}
?>