title: How can I encode string in base64 using jstl tag?
body: <p>I want to encode string in base64 using jstl tag on jsp page.</p>
  
  <p>Example:</p>
  
  <pre><code>&lt;a href="deleteBatch.do?batchId=12"
  </code></pre>
  
  <p>encoded</p>
  
  <pre><code>&lt;a href="deleteBatch.do?batchId=12hgxb4"
  </code></pre>
  
  <p>How could I do this?</p>