📄 day.java

📁 可以让初学者有一个感性的认识

💻 JAVA

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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);
	}

	public void doPost(HttpServletRequest request,HttpServletResponse response) throws IOException,ServletException
	{
		PrintWriter out=response.getWriter();
		response.setContentType("text/html;charset=GB2312");
		out.println("<HTML><BODY>");
		Calendar calendar=Calendar.getInstance();
		calendar.setTime(new Date());
		int hour=calendar.get(Calendar.HOUR_OF_DAY);
	    int minute=calendar.get(Calendar.MINUTE);
	    int second=calendar.get(Calendar.SECOND);
		if(hour>=22)
			response.sendRedirect("Night");
		else
		{
			out.print("Now time:");
			out.println(hour+":"+minute+":"+second);
		}
		out.println("</BODY></HTML>");
	}

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

}

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