public class ResponseDemo1 extends HttpServlet {	public  void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {		test1(resp);	}

 

　　 　　//方法1:    public void test1(HttpServletResponse resp) throws IOException, UnsupportedEncodingException {        resp.setHeader("Content-type", "text/html;charset=utf-8");        String data = "中国";        OutputStream output = resp.getOutputStream();        //程序以什么编码输出,那么一定要设置浏览为相对应的编码打开.        output.write(data.getBytes("utf-8"));    }　　//方法2:    //模拟meta标签,设置charset为utf-8,这个方法也行.    //用html技术中的meta标签模拟了一个http响应头,来控制浏览器的行为    public void test2(HttpServletResponse response) throws Exception{        String data  = "中国_第二个";        OutputStream output= response.getOutputStream();        output.write("
       ".getBytes());        output.write(data.getBytes());    }

 

public void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { doGet(req, resp); } }

 //********************************情况2:*************************************

public class ResponseDemo2 extends HttpServlet {	private static final long serialVersionUID = 1L;	public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {		test1(response);	}	public void test1(HttpServletResponse response) throws IOException {		// 方法１:		// 要设置response,所使用的码表,以控制reponse以什么码表向浏览器写入数据		// response.setCharacterEncoding("utf-8");		// 同时设置浏览器以何种码表打开,指定浏览以什么　码表打开服务器发送的数据　		// response.setHeader("content-type", "text/html;charset=utf-8");		// 　方法２:		response.setContentType("text/html;charset=utf-8");		String data = "中国";		PrintWriter outputStream = response.getWriter();		outputStream.write(data);	}	public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {		doGet(request, response);	}}