protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        //获取OutputStream输出流

        OutputStream outputStream = response.getOutputStream();

        //设置中文

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

         String data = "你好，这里是通过OutputStream的方式向网页输出内容";

        //将字符转换成字节数组，并且指定UTF-8编码

         byte[] dataByteArr = data.getBytes("UTF-8");

        //  输出

         outputStream.write(dataByteArr);

    }

// 设置响应内容类型与编码方式

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

PrintWriter out = response.getWriter();

out.println("你好，这里是通过PrintWriter的方式向网页输出内容");