在线解密工具 - Base64 解密器 - 常规

<html>
  <head>
    <meta charset="UTF-8">
    <title>在线解密工具 - Base64 解密器</title>
    <script src="decrypt.js"></script>
  </head>
  <body>
    <label for="input">输入：</label>
    <textarea id="input"></textarea>
<pre><code>&lt;button id=&quot;decrypt-btn&quot;&gt;解密&lt;/button&gt;

&lt;label for=&quot;output1&quot;&gt;解密后：&lt;/label&gt;
&lt;textarea id=&quot;output1&quot; readonly&gt;&lt;/textarea&gt;

&lt;label for=&quot;output2&quot;&gt;URL：&lt;/label&gt;
&lt;textarea id=&quot;output2&quot; readonly&gt;&lt;/textarea&gt;

&lt;script&gt;
  var decryptBtn = document.getElementById('decrypt-btn');
  decryptBtn.addEventListener('click', decrypt);

  function decrypt() {
    var data = JSON.parse(input.value).data;
    var decoded1 = atob(data);
    var decoded2 = atob(decoded1);
    var decoded3 = atob(decoded2);
    var url = decodeURIComponent(decoded3);

    output1.value = decoded3;
    output2.value = url;
  }
&lt;/script&gt;
</code></pre>
  </body>
</html>