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="http://www.mamicode.com/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="http://www.mamicode.com/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 }