用html css js 做一个简单的网站登录注册页面
时间: 2023-08-07 07:01:45 浏览: 48
好的,以下是一个简单的网站登录注册页面的 HTML、CSS 和 JS 代码:
HTML 代码:
```
<!DOCTYPE html>
<html>
<head>
<title>网站登录注册页面</title>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<div class="container">
<form id="login-form" class="form" action="#" method="post">
<h2>登录</h2>
<input type="text" name="username" placeholder="用户名">
<input type="password" name="password" placeholder="密码">
<button type="submit" class="btn">登录</button>
</form>
<form id="register-form" class="form" action="#" method="post">
<h2>注册</h2>
<input type="text" name="username" placeholder="用户名">
<input type="password" name="password" placeholder="密码">
<input type="password" name="confirm-password" placeholder="确认密码">
<button type="submit" class="btn">注册</button>
</form>
</div>
<script src="script.js"></script>
</body>
</html>
```
CSS 代码:
```
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
background-color: #f2f2f2;
}
.container {
margin: 50px auto;
width: 400px;
background-color: #fff;
padding: 20px;
border-radius: 5px;
box-shadow: 0 0 10px rgba(0,0,0,0.2);
}
.form {
display: none;
}
.form h2 {
margin-bottom: 20px;
text-align: center;
}
.form input {
display: block;
margin-bottom: 20px;
width: 100%;
padding: 10px;
font-size: 16px;
border: none;
border-bottom: 2px solid #ccc;
}
.form button {
margin-top: 20px;
width: 100%;
padding: 10px;
font-size: 16px;
background-color: #4CAF50;
color: #fff;
border: none;
border-radius: 5px;
cursor: pointer;
}
.form button:hover {
background-color: #3e8e41;
}
.form .error {
display: none;
margin-top: 10px;
color: red;
font-size: 14px;
}
.form .success {
display: none;
margin-top: 10px;
color: green;
font-size: 14px;
}
```
JS 代码:
```
const loginForm = document.getElementById('login-form');
const registerForm = document.getElementById('register-form');
document.getElementById('login-btn').addEventListener('click', function() {
registerForm.style.display = 'none';
loginForm.style.display = 'block';
});
document.getElementById('register-btn').addEventListener('click', function() {
loginForm.style.display = 'none';
registerForm.style.display = 'block';
});
loginForm.addEventListener('submit', function(e) {
e.preventDefault();
const username = loginForm.username.value;
const password = loginForm.password.value;
// 做登录验证
});
registerForm.addEventListener('submit', function(e) {
e.preventDefault();
const username = registerForm.username.value;
const password = registerForm.password.value;
const confirmPassword = registerForm['confirm-password'].value;
if (password !== confirmPassword) {
registerForm.querySelector('.error').textContent = '两次输入的密码不一致';
registerForm.querySelector('.error').style.display = 'block';
registerForm.querySelector('.success').style.display = 'none';
} else {
// 做注册验证
registerForm.querySelector('.success').textContent = '注册成功';
registerForm.querySelector('.success').style.display = 'block';
registerForm.querySelector('.error').style.display = 'none';
}
});
```
在这个代码中,我们创建了两个表单,一个是登录表单,一个是注册表单。我们使用 CSS 将表单隐藏起来,并且通过 JS 实现表单之间的切换。在登录和注册表单中,我们使用 JS 监听表单的提交事件,然后进行登录和注册验证。在注册表单中,我们还验证了两次输入的密码是否一致,并且根据验证结果显示相应的提示信息。