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荻酷分享：以下是基于HTML+CSS+JavaScript实现的AES加密工具网页应用，包含完整的UI界面和加密/解密功能：
JS加密工具
完整功能：实现AES-256加密/解密功能，包含盐值和IV生成增强安全性
现代化UI：采用渐变色背景、毛玻璃效果卡片和流畅动画
响应式设计：适配不同屏幕尺寸，移动端友好
完整交互：包含密钥显示切换、结果复制、本地保存等功能
安全提示：所有操作在本地完成，不传输数据到服务器
错误处理：完善的错误捕获和用户提示机制
演示效果:
index.html代码如下：
<!DOCTYPE html>
<html lang="zh-CN">
<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>JS加密工具</title><link href="https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css" rel="stylesheet"><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0-beta3/css/all.min.css"><script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.1.1/crypto-js.min.js"></script><style>.gradient-bg {background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);}.card-hover {transition: all 0.3s ease;}.card-hover:hover {transform: translateY(-5px);box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);}.fade-in {animation: fadeIn 0.5s ease-in;}@keyframes fadeIn {from { opacity: 0; }to { opacity: 1; }}</style>
</head>
<body class="min-h-screen gradient-bg text-gray-100"><div class="container mx-auto px-4 py-12"><header class="text-center mb-12"><h1 class="text-4xl font-bold mb-2">JS加密工具</h1><p class="text-xl opacity-90">基于AES算法的安全加密/解密工具</p></header><main class="max-w-4xl mx-auto"><div class="bg-white bg-opacity-10 backdrop-filter backdrop-blur-lg rounded-xl shadow-xl overflow-hidden card-hover"><div class="p-6"><div class="flex flex-col md:flex-row gap-6"><div class="flex-1"><div class="mb-6"><label class="block text-sm font-medium mb-2" for="inputText">输入文本</label><textarea id="inputText" rows="6" class="w-full px-4 py-3 rounded-lg bg-white bg-opacity-20 border border-white border-opacity-30 focus:outline-none focus:ring-2 focus:ring-purple-300 focus:border-transparent placeholder-gray-300" placeholder="请输入要加密/解密的文本..."></textarea></div><div class="mb-6"><label class="block text-sm font-medium mb-2" for="secretKey">密钥</label><div class="relative"><input type="password" id="secretKey" class="w-full px-4 py-3 rounded-lg bg-white bg-opacity-20 border border-white border-opacity-30 focus:outline-none focus:ring-2 focus:ring-purple-300 focus:border-transparent placeholder-gray-300" placeholder="请输入加密密钥"><button id="toggleKey" class="absolute right-3 top-3 text-gray-300 hover:text-white"><i class="far fa-eye"></i></button></div></div><div class="flex flex-wrap gap-4 mb-6"><button id="encryptBtn" class="flex-1 bg-purple-600 hover:bg-purple-700 text-white font-medium py-3 px-6 rounded-lg transition duration-300 flex items-center justify-center gap-2"><i class="fas fa-lock"></i> 加密</button><button id="decryptBtn" class="flex-1 bg-indigo-600 hover:bg-indigo-700 text-white font-medium py-3 px-6 rounded-lg transition duration-300 flex items-center justify-center gap-2"><i class="fas fa-unlock"></i> 解密</button><button id="clearBtn" class="flex-1 bg-gray-600 hover:bg-gray-700 text-white font-medium py-3 px-6 rounded-lg transition duration-300 flex items-center justify-center gap-2"><i class="fas fa-trash-alt"></i> 清空</button></div></div><div class="flex-1"><label class="block text-sm font-medium mb-2" for="outputText">结果</label><textarea id="outputText" rows="6" readonly class="w-full px-4 py-3 rounded-lg bg-white bg-opacity-20 border border-white border-opacity-30 focus:outline-none focus:ring-2 focus:ring-purple-300 focus:border-transparent placeholder-gray-300" placeholder="加密/解密结果将显示在这里..."></textarea><div class="mt-4 flex gap-4"><button id="copyBtn" class="flex-1 bg-blue-600 hover:bg-blue-700 text-white font-medium py-2 px-4 rounded-lg transition duration-300 flex items-center justify-center gap-2"><i class="far fa-copy"></i> 复制结果</button><button id="saveBtn" class="flex-1 bg-green-600 hover:bg-green-700 text-white font-medium py-2 px-4 rounded-lg transition duration-300 flex items-center justify-center gap-2"><i class="far fa-save"></i> 保存到本地</button></div></div></div></div></div><div class="mt-8 bg-white bg-opacity-10 backdrop-filter backdrop-blur-lg rounded-xl shadow-xl overflow-hidden card-hover fade-in"><div class="p-6"><h2 class="text-xl font-semibold mb-4">使用说明</h2><ul class="space-y-2 text-sm opacity-90"><li><i class="fas fa-info-circle mr-2"></i> 使用AES-256算法进行加密/解密</li><li><i class="fas fa-key mr-2"></i> 密钥长度建议至少16个字符</li><li><i class="fas fa-shield-alt mr-2"></i> 所有操作均在浏览器本地完成，数据不会上传到服务器</li><li><i class="fas fa-history mr-2"></i> 加密结果包含随机盐值，每次加密结果不同但都能解密</li><li><i class="fas fa-exclamation-triangle mr-2"></i> 请妥善保管密钥，丢失后将无法解密数据</li></ul></div></div></main><footer class="mt-16 text-center text-sm opacity-75"><p>© 2025 JS加密工具 | 基于CryptoJS实现</p></footer></div><script>document.addEventListener('DOMContentLoaded', function() {// 切换密钥可见性const toggleKey = document.getElementById('toggleKey');const secretKey = document.getElementById('secretKey');toggleKey.addEventListener('click', function() {if (secretKey.type === 'password') {secretKey.type = 'text';toggleKey.innerHTML = '<i class="far fa-eye-slash"></i>';} else {secretKey.type = 'password';toggleKey.innerHTML = '<i class="far fa-eye"></i>';}});// 加密函数function encrypt(text, key) {if (!text || !key) {alert('请输入文本和密钥');return null;}try {const salt = CryptoJS.lib.WordArray.random(128/8);const iv = CryptoJS.lib.WordArray.random(128/8);const key256Bits = CryptoJS.PBKDF2(key, salt, {keySize: 256/32,iterations: 1000});const encrypted = CryptoJS.AES.encrypt(text, key256Bits, { iv: iv,padding: CryptoJS.pad.Pkcs7,mode: CryptoJS.mode.CBC});// 组合盐值、IV和加密数据const result = {salt: salt.toString(),iv: iv.toString(),ciphertext: encrypted.toString()};return JSON.stringify(result);} catch (error) {console.error('加密错误:', error);alert('加密过程中发生错误');return null;}}// 解密函数function decrypt(encryptedData, key) {if (!encryptedData || !key) {alert('请输入加密数据和密钥');return null;}try {const data = JSON.parse(encryptedData);const salt = CryptoJS.enc.Hex.parse(data.salt);const iv = CryptoJS.enc.Hex.parse(data.iv);const key256Bits = CryptoJS.PBKDF2(key, salt, {keySize: 256/32,iterations: 1000});const decrypted = CryptoJS.AES.decrypt(data.ciphertext, key256Bits, { iv: iv,padding: CryptoJS.pad.Pkcs7,mode: CryptoJS.mode.CBC});return decrypted.toString(CryptoJS.enc.Utf8);} catch (error) {console.error('解密错误:', error);alert('解密失败，请检查密钥或数据是否正确');return null;}}// 按钮事件绑定document.getElementById('encryptBtn').addEventListener('click', function() {const inputText = document.getElementById('inputText').value;const key = document.getElementById('secretKey').value;const encrypted = encrypt(inputText, key);if (encrypted) {document.getElementById('outputText').value = encrypted;}});document.getElementById('decryptBtn').addEventListener('click', function() {const inputText = document.getElementById('inputText').value;const key = document.getElementById('secretKey').value;const decrypted = decrypt(inputText, key);if (decrypted) {document.getElementById('outputText').value = decrypted;}});document.getElementById('clearBtn').addEventListener('click', function() {document.getElementById('inputText').value = '';document.getElementById('outputText').value = '';document.getElementById('secretKey').value = '';});document.getElementById('copyBtn').addEventListener('click', function() {const outputText = document.getElementById('outputText');outputText.select();document.execCommand('copy');// 显示复制成功提示const originalText = this.innerHTML;this.innerHTML = '<i class="fas fa-check"></i> 已复制';setTimeout(() => {this.innerHTML = originalText;}, 2000);});document.getElementById('saveBtn').addEventListener('click', function() {const outputText = document.getElementById('outputText').value;if (!outputText) {alert('没有可保存的内容');return;}const blob = new Blob([outputText], { type: 'text/plain' });const url = URL.createObjectURL(blob);const a = document.createElement('a');a.href = url;a.download = 'encrypted_data.txt';document.body.appendChild(a);a.click();document.body.removeChild(a);URL.revokeObjectURL(url);// 显示保存成功提示const originalText = this.innerHTML;this.innerHTML = '<i class="fas fa-check"></i> 已保存';setTimeout(() => {this.innerHTML = originalText;}, 2000);});});</script>
</body>
</html>