PrintWriter输出XML中文乱码

PrintWriter输出XML中文乱码解决方法：

　　protected void doPost(HttpServletRequest req, HttpServletResponse resp)
   　　　throws ServletException, IOException {

      resp.setContentType("text/xml;charset=utf-8");

      PrintWriter pw = resp.getWriter(); //获取PrintWriter对象
      pw.println("");

      pw.println("");

      pw.println("... ...");

      pw.println("");

      pw.flush();
      pw.close();