java servlet实现根据时间提醒用户休息的代码详情-代码-最代码

首页>代码>java servlet实现根据时间提醒用户休息>/servletGT/src/com/hbjd/servlet/Day.java

package com.hbjd.servlet;

import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class Day extends HttpServlet {
	public void init(ServletConfig config) throws ServletException {
		super.init(config);

	}

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

	protected void doPost(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		response.setContentType("text/html;charset=GBK");// 设定中文
		PrintWriter out = response.getWriter(); // 使用输出流，输出信息
		out.println("<HTML>");
		out.println("<BODY>");
		Calendar calendar = Calendar.getInstance(); // 创建一个日历对象。
		calendar.setTime(new Date());// 用当前时间初始化日历时间。
		int hour = calendar.get(Calendar.HOUR_OF_DAY), minute = calendar
				.get(Calendar.MINUTE), second = calendar.get(Calendar.SECOND);
		if (hour >= 22) {
			response.sendRedirect("Night"); // 重定向。
		} else {
			out.print("现在北京时间是:");
			out.print(hour + ":" + minute + ":" + second);
		}
		out.println("</BODY>");
		out.println("</HTML>");
	}

}