用Servlet显示当前系统时间

package nuc.ss.Servlet;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class Time extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        //设置网页自动刷新时间为1秒
        resp.setHeader("refresh","1");
        //设置响应内容类型
        resp.setContentType("text/html;charset=utf-8");
        //获得当前时间
        Date date = new Date(System.currentTimeMillis());
        SimpleDateFormat format = new SimpleDateFormat("yyyy年MM月dd日-HH时mm分ss秒");
        resp.getWriter().print(format.format(date));

    }

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

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
                      http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0"
         metadata-complete="true">
	<servlet>
		<servlet-name>time</servlet-name>
		<servlet-class>nuc.ss.Servlet.Time</servlet-class>
	</servlet>
	<servlet-mapping>
<		servlet-name>time</servlet-name>
		<url-pattern>/time</url-pattern>
	</servlet-mapping>

</web-app>

显示结果为：