写一个前端登录页面包括html css js
时间: 2023-11-22 19:04:30 浏览: 28
好的,以下是一个简单的前端登录页面的HTML、CSS和JS代码:
HTML代码:
```html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Login Page</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="container">
<h1>Login Page</h1>
<form>
<label for="username">Username:</label>
<input type="text" id="username" name="username">
<label for="password">Password:</label>
<input type="password" id="password" name="password">
<button type="submit" id="login-btn">Login</button>
</form>
</div>
<script src="script.js"></script>
</body>
</html>
```
CSS代码:
```css
* {
box-sizing: border-box;
}
body {
background-color: #f2f2f2;
font-family: Arial, sans-serif;
}
.container {
background-color: #ffffff;
border-radius: 5px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
margin: 0 auto;
max-width: 400px;
padding: 20px;
}
h1 {
text-align: center;
}
form {
display: flex;
flex-direction: column;
}
label {
margin-top: 10px;
}
input[type="text"],
input[type="password"] {
border: none;
border-radius: 3px;
box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.1);
padding: 10px;
margin-bottom: 20px;
}
#login-btn {
background-color: #4CAF50;
border: none;
border-radius: 3px;
box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
color: white;
cursor: pointer;
font-size: 16px;
padding: 10px;
transition: background-color 0.3s ease;
}
#login-btn:hover {
background-color: #3e8e41;
}
```
JS代码:
```js
const form = document.querySelector('form');
const usernameInput = document.querySelector('#username');
const passwordInput = document.querySelector('#password');
form.addEventListener('submit', e => {
e.preventDefault();
const username = usernameInput.value.trim();
const password = passwordInput.value.trim();
if (username === '' || password === '') {
alert('Please enter both a username and password.');
return;
}
// TODO: Handle login logic with the username and password.
});
```
以上代码实现了一个简单的登录页面,包括输入用户名和密码,并且在点击登录按钮时触发JS代码中的逻辑。