001dfaf33abd001c10fdbd96ca780ff3

基于Java实现的聊天室功能

<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<jsp:useBean id="db" class="book.notebook" scope="request"/>
<jsp:useBean id="md5" scope="page" class="book.UtilBean"/>
<%
String temp1=request.getParameter("user");
String temp2=md5.makeHacker(request.getParameter("password"));
if(temp1==null||temp2==null)
{ response.sendRedirect("admin.htm"); }
else
{
 String sql="SELECT * FROM admin WHERE username='"+temp1+"'";
 ResultSet rs=db.executeQuery(sql);
 if(rs.next())
  {  
    String user=rs.getString("username");
	String password=rs.getString("password");
	if(temp2.equals(password))
	{ session.putValue("user",user); response.sendRedirect("index.jsp");}
	else{ response.sendRedirect("admin.htm");}
  }
 else
  { response.sendRedirect("admin.htm"); }
 }
%>