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 //返回xml数据 public void responseOut() throws Exception {   StringBuilder sb = new StringBuilder();  sb.append("<?xml version=/"1.0/" encoding=/"UTF-8/" ?>");  sb.append("<users>");  sb.append("<user id=/"50/">");  sb.append("<userName>abc</userName>");  sb.append("</user>");  sb.append("<user id=/"50/">");  sb.append("<userName>eee</userName>");  sb.append("</user>");  sb.append("</users>");    //得到response   HttpServletResponse response = ServletActionContext.getResponse();  HttpServletRequest request=ServletActionContext.getRequest();  request.setCharacterEncoding("UTF-8");  //设置编码       //response.setCharacterEncoding("UTF-8");   response.setContentType("text/xml;charset=utf-8");     response.setHeader("Cache-Control", "no-cache");  PrintWriter out = response.getWriter();      out.write(sb.toString());      out.flush();   out.close();

 }

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