写一个页面并美化,实现PlayFair密码,页面代码包括h5、css、js
时间: 2024-09-18 07:01:03 浏览: 34
创建一个包含Playfair密码功能的H5页面,需要HTML结构来展示输入框和按钮,CSS来美化界面,以及JavaScript来处理密码加密。以下是一个简单的示例:
```html
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<title>Playfair密码</title>
<link rel="stylesheet" href="styles.css">
</head>
<body>
<div class="container">
<h1>Playfair密码生成器</h1>
<input type="text" id="keyInput" placeholder="请输入密钥">
<input type="text" id="messageInput" placeholder="请输入明文">
<button onclick="encrypt()">加密</button>
<pre id="ciphertext"></pre>
</div>
<script src="scripts.js"></script>
</body>
</html>
```
接下来是CSS部分 (styles.css):
```css
.container {
max-width: 400px;
margin: auto;
padding: 20px;
background-color: #f2f2f2;
border-radius: 5px;
}
input {
width: 100%;
margin-bottom: 10px;
padding: 5px;
font-size: 16px;
}
button {
background-color: #4CAF50;
color: white;
border: none;
cursor: pointer;
padding: 10px 20px;
font-size: 18px;
}
```
最后是JavaScript部分 (scripts.js):
```javascript
function encrypt() {
const keyInput = document.getElementById('keyInput').value.toUpperCase();
const messageInput = document.getElementById('messageInput').value.toUpperCase();
// Playfair密码计算代码
const playfair = new Playfair(keyInput);
const ciphertext = playfair.encrypt(messageInput);
document.getElementById('ciphertext').innerText = "加密结果: " + ciphertext;
}
class Playfair {
constructor(key) {
this.keyTable = createKeyTable(key);
}
// ...其他函数省略,这里假设有一个createKeyTable函数用于构建Playfair矩阵
encrypt(text) {
// 省略实际的加密算法实现
return '待加密文本';
}
}
```
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