car.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../js/cookie.js"></script>
    <link rel="stylesheet" href="./css/index-head-foot.css">
    <link rel="stylesheet" href="./css/car.css">
    <script>
        var span = document.querySelector("span");
        //判断cookie的email键所对应的值
        var n = getCookie('email');
        span.innerHTML = decodeURI(n);
        //判断当前n是否有值
        // if (n) {
        //     span.innerHTML = decodeURI(n);
        // } else {
        //     alert('请先登录后再进行操作');
        //     location.href = './login.html';
        // }
    </script>
</head>
<body>
    <script src="./js/indexhead.js"></script>
    <main>
        <h2><span></span>的购物车</h2>
    </main>
    
    <script src="./js/indexfoot.js"></script>
</body>

</html>