package cn.itcast.response;

 import java.io.IOException;

 import java.io.OutputStream;

 import java.io.PrintWriter;

 import java.io.UnsupportedEncodingException;

 import javax.servlet.ServletException;

 import javax.servlet.http.HttpServlet;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 //通过Response的writer留输出数据的问题

 public class ResponseDemo extends HttpServlet {

     public void doGet(HttpServletRequest request, HttpServletResponse response)

             throws ServletException, IOException {

         test1(response);

     }

     private void test2(HttpServletResponse response) throws IOException {

         //设置response使用的码表，以控制response以什么码表向浏览器写出数据。

         response.setCharacterEncoding("UTF-8");

         //指定浏览器以什么码表打开服务器发送数据。

         response.setContentType("text/html;charset=utf-8");

         String data="中国";

         PrintWriter pw = response.getWriter();

         pw.write(data);

     }

     private void test1(HttpServletResponse response) throws IOException {

         //设置response使用的码表，以控制response以什么码表向浏览器写出数据。

         response.setCharacterEncoding("UTF-8");

         //指定浏览器以什么码表打开服务器发送数据。

         response.setHeader("Content-type", "text/html;charset=utf-8");

         String data="中国";

         PrintWriter pw = response.getWriter();

         pw.write(data);

     }

     public void doPost(HttpServletRequest request, HttpServletResponse response)

             throws ServletException, IOException {

     }

 }