前端页面之间传输数据 localStorage

Ethan Wilson2024-02-21 22:29

效果

发送方

接收方

localStorage 的使用

c 复制代码

// 保存数据
localStorage.setItem('key', value);
// 获取数据
localStorage.getItem('key');

发送方

html 复制代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
</head>
<body>
    <form action="input_test_action.html" method="post"
        onsubmit="return f()">
        <p>
            用户名：<input type="text" name="username" id="username">
        </p>
        <p>
            密码：<input type="text" name="pwd" id="pwd">
        </p>
        <p>
            <input type="reset"> <input type="submit">
        </p>
    </form>

    <script>
        function f()
        {
            var username = document.getElementById('username');
            var pwd = document.getElementById('pwd');
            localStorage.setItem('username', username.value);
            localStorage.setItem('pwd', pwd.value);
        }
    </script>
</body>
</html>

接收方

html 复制代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录结果</title>
</head>
<body>
<p>Username: <span id="username"></span></p>
<p>Password: <span id="pwd"></span></p>
<script>
    const username = localStorage.getItem('username');
    const pwd = localStorage.getItem('pwd');
    // 将数据渲染到页面上
    document.getElementById('username').textContent = username;
    document.getElementById('pwd').textContent = pwd;
</script>
</body>
</html>