<script type="text/javascript" src="js/easyui/jquery-1.8.0.min.js"></script>

<label id="context"></label>

<script type="text/javascript">
    setInterval("Push()",1000*60);
    function Push() {
           $.ajax({
           type: "POST",
           url: encodeURI("crmMaintenance/crmAirpolicyAction-takeAllMonitor.action"),
           success: function(data) {
               $('#context').text(data);
           }
     });}
  </script>

public void takeAllMonitor() {
        try {
            HttpServletResponse response = ServletActionContext.getResponse();
            PrintWriter out;
            out = response.getWriter();
            response.setCharacterEncoding("utf-8");
            //...插入業務邏輯
                out.print("Synchronous..." );
            out.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }