<s:iterator id="at" value="#request.attachmentList"
         status="item">
         <a href=" <s:url action='download.action'>
                   <s:param name='fileName' value='#at.realName'></s:param>
                   <s:param name='storeName' value='#at.storeName'></s:param>
                  </s:url>">${realName
          }</a>  <br />
  </s:iterator>

 

解释:通过param传参可解决后台参数乱码问题

 

  或者写过滤器对get()取参进行参数中文处理