关于servlet中文输出的解决方案

1. public void doGet(HttpServletRequest request, HttpServletResponse response)  
2.         throws ServletException, IOException {  
3.       
4.     response.setContentType("text/html;charset=gb2312");////在PrintWriter前面有效果  
5.     PrintWriter out = response.getWriter();  
6.     request.setCharacterEncoding("utf-8");  
7.    // response.setContentType("text/html;charset=gb2312");////在PrintWriter后面无效果  
8.       
9.      userId1 = request.getParameter("userId1");// ///需要2个参数  
10.     userId2 = request.getParameter("userId2"); 
11.