talking.jsp

介绍一个聊天室的编程方法,展示了一个网络程序的基本结构

<%@ page contentType="text/html; charset=GB2312"
 	 import="java.util.Date"%>
<%	
	String gestnam = (String) session.getAttribute("nam0");
	String talk = null; 

	String sentencestr = (String) session.getAttribute("sentence0");
	int sentence = Integer.parseInt(sentencestr);
	for(int i = sentence; i >= 2; i--)
	{
		talk = (String)application.getAttribute("talk" + (i - 1));
		application.setAttribute("talk" + i, talk);
	}

	Date dat = new Date(); 
	String hour = String.valueOf(dat.getHours());
	String minute = String.valueOf(dat.getMinutes());
	String second = String.valueOf(dat.getSeconds());

	String tim = hour + ":" + minute + ":" + second;
	String tking = "<td><font size=4><b>" + gestnam + 
		"：</b></td><td><font size=4><b>" +
	      	request.getParameter("txttalk") + 
      		"</b></font></td><td><font size=3 color = red>" + 
		tim + "</font></td>";

	application.setAttribute("talk1", tking);
	response.sendRedirect("frame0.jsp");
%>