//用response的outputStream输出中文public class ResponseDemo1 extends HttpServlet {	public void doGet(HttpServletRequest request, HttpServletResponse response)			throws ServletException, IOException {		test4(response);	}		//方法二，用meta标签模似一个http响应头，控制浏览器以u8打开	private void test2(HttpServletResponse response)		throws UnsupportedEncodingException, IOException {				String data = "中国";		byte b[] = data.getBytes("UTF-8");				response.getOutputStream().write("
    
     ".getBytes());		response.getOutputStream().write(b);	}	//方法一	private void test1(HttpServletResponse response)			throws UnsupportedEncodingException, IOException {		//设置一个头信息，通知浏览器以U8打开		response.setHeader("content-type", "text/html;charset=UTF-8");				String data = "中国";		byte b[] = data.getBytes("UTF-8");		response.getOutputStream().write(b);	}	public void doPost(HttpServletRequest request, HttpServletResponse response)			throws ServletException, IOException {		doGet(request, response);	}}
    

二，用response的write写数据：

//response的write流输出中文的问题public class ResponseDemo2 extends HttpServlet {	public void doGet(HttpServletRequest request, HttpServletResponse response)			throws ServletException, IOException {		//用write流写字符，它会默认查询ISO8859-1的码表		//这句话是让它去查u8的码表		response.setCharacterEncoding("UTF-8");				//在通知浏览器以u8打开		response.setHeader("content-type", "text/html;charset=UTF-8");				//写了这句话就相当于上面两句话//		response.setContentType("text/html;charset=UTF-8");				String data = "中国";		response.getWriter().write(data);			}	public void doPost(HttpServletRequest request, HttpServletResponse response)			throws ServletException, IOException {		doGet(request, response);	}}