java——乱码

  

 protected void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException,IOException{
        request.setCharacterEncoding("UTF-8");
        response.setContentType("text/html;charset=UTF-8");
        String message= request.getParameter("message");
        response.getWriter().println(message);
        response.getWriter().println("
");
        String contextPath=request.getServletContext().getContextPath();
        response.getWriter().println("contextPath:"+contextPath);
    }

  修改Tomcat的server.xml