response的Writer输出数据的问题

 1 package cn.itcast.response;
 2 
 3 import java.io.IOException;
 4 import java.io.OutputStream;
 5 import java.io.PrintWriter;
 6 import java.io.UnsupportedEncodingException;
 7 
 8 import javax.servlet.ServletException;
 9 import javax.servlet.http.HttpServlet;
10 import javax.servlet.http.HttpServletRequest;
11 import javax.servlet.http.HttpServletResponse;
12 
13 //通过Response的writer留输出数据的问题
14 public class ResponseDemo extends HttpServlet {
15 
16     public void doGet(HttpServletRequest request, HttpServletResponse response)
17             throws ServletException, IOException {
18         
19         test1(response);
20     }
21     
22     private void test2(HttpServletResponse response) throws IOException {
23         //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。
24         response.setCharacterEncoding("UTF-8");
25         
26         //指定浏览器以什么码表打开服务器发送数据。
27         response.setContentType("text/html;charset=utf-8");
28         
29         String data="中国";
30         
31         PrintWriter pw = response.getWriter();
32         pw.write(data);
33     }
34 
35     private void test1(HttpServletResponse response) throws IOException {
36         //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。
37         response.setCharacterEncoding("UTF-8");
38         
39         //指定浏览器以什么码表打开服务器发送数据。
40         response.setHeader("Content-type", "text/html;charset=utf-8");
41         
42         String data="中国";
43         
44         PrintWriter pw = response.getWriter();
45         pw.write(data);
46     }
47 
48     public void doPost(HttpServletRequest request, HttpServletResponse response)
49             throws ServletException, IOException {
50 
51     }
52 
53 }