📄 notepad.jsp

📁 一本jsp自学教材
💻 JSP
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<!DOCTYPE HTML PUBLIC “-//W3C//DTD HTML 4.0 Transitional//EN”>
<%@ page contentType="text/html;charset=gb2312" %>
<%@ page import="java.util.Date" %>
<%@ page import="java.util.*" %>
<HTML>
<HEAD>
<TITLE>
application notepad
</TITLE>
</HEAD>
 
<%
Date date=new Date();
String datetime=date.toLocaleString();
String IP=request.getRemoteAddr();
String name=request.getParameter("name");
String title=request.getParameter("title");
String message=request.getParameter("content");
String QQ=request.getParameter("qq");
String e_mail=request.getParameter("email");
if(name.equals(""))
{ 
name="guest"+(int)(Math.random()*10000);
}
if(title.equals(""))
{  
title="No title!";
}
if(message.equals(""))
{
message="No message！";
}
if(QQ.equals(""))
{
QQ="XXXXXXX";
}
if(e_mail.equals(""))
{
e_mail=name+"@yahoo.com.cn";
}
String s=name+"#"+title+"#"+message+"#"+e_mail+"#"+QQ+"#"+datetime+"#"+IP;
Vector v=(Vector)application.getAttribute("mess");
v.add(s);
application.setAttribute("mess",v);

Vector vv=(Vector)application.getAttribute("mess");
for(int i=0;i<vv.size();i++)
{ 
  String messages=(String)vv.elementAt(i);
  StringTokenizer fenxi=new StringTokenizer(messages,"#");
     
  int j=0,m=i+1;
  String str[]=new String[7];
  while(fenxi.hasMoreTokens())
     { 
       str[j]=fenxi.nextToken();
       byte a[]=str[j].getBytes("ISO-8859-1");
       str[j]=new String(a);
       j++;
    }
   out.print("<CENTER>");
   out.println("*******************************************************<BR>");
   out.println("<Table border>");
   out.println("<TR>");
   out.print("<TD>第"+m);
   out.print("楼&nbsp;&nbsp;呢称:"+str[0]);
   out.print("&nbsp;&nbsp;标题:"+str[1]+"</TD>");  
   out.println("</TR>");
   out.println("<TR>");
   out.print("<TD>留言内容:");   
   out.print(""+str[2]+"</TD>");   
   out.println("</TR>");
   out.println("<TR><TD>");
   out.print("E-mail:"+str[3]);
   out.print("&nbsp;&nbsp;QQ:"+str[4]);
   out.print("&nbsp;&nbsp;时间:"+str[5]);
   out.print("&nbsp;&nbsp;IP:"+str[6]);
   out.println("</TD></TR>");
   out.println("</Table>");
   out.print("</CENTER>");
}%>
  </BODY>
</HTML>
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