📄 login.jsp

📁 本程序的功能如下： 1）本程序完全采用jsp脚本技术 2）后台管理
💻 JSP
字号:
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*,java.text.*" errorPage="err.jsp?msg=对不起，没有找到您需要的资源" %>
<%@ include file="conn.jsp"%>
<%Cookie cookies[]=request.getCookies();
if(cookies==null){
request.setCharacterEncoding("gb2312");
String action="login";
String User=request.getParameter("user");
String pwd=request.getParameter("pwd");
if (action.equals(request.getParameter("action"))){
	if(User.length()*pwd.length()==0){
	out.print("<script>alert('您的用户名或密码为空！');history.go(-1);</script>");
	}else{ 
			String sql1="select * from [user] where [user]='"+User.trim()+"'";
		    ResultSet rs1=stmt.executeQuery(sql1);
		    //out.print(sql1);
	        if(rs1.next()){
			  if(pwd.equals(rs1.getString("pwd"))){
			    Cookie comqing=new Cookie("IsMem","true");
			  response.addCookie(comqing);
			  out.print("<script>alert('恭喜您登陆成功！');window.location.href='index.jsp';</script>");
			  }else{
			  out.print("<script>alert('您的密码不正确！');history.go(-1);</script>");
			  }
			}else{
			//out.print(" 恭喜您,注册成功！");
			
			//out.print(User);
			out.print("<script>alert('您的用户名不存在！');history.go(-1);</script>");
			}
    }
}else{	
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><TITLE>用户登陆 - 南京同庆源码站 &gt;&gt;&gt; 为广大站长提供最新最全的精品资讯！</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META http-equiv=Content-Language content=zh-cn>
<META 
content=站长,站长资源,飞狐,im63,fihu.net,asp源码,cgi源码,php源码,jsp源码,.net源码,网站素材,网页素材,网页模板,韩国模板,欧美模板,商业模板,免费模板,常用软件,注册版,破解版,免费LOGO,娱乐,flash动画,网络编程,网络学院,站长资源,网站联盟,精品网址,图片,壁纸,桌面,书籍教程,asp编程,cgi编程,php编程,平面设计,多媒体设计,服务器架设,服务器软件,电子图书,LOGO模板,PNG源文件,PSD源文件,精品字体,字体下载,软件下载 
name=keywords><LINK href="images/style.css" 
rel=stylesheet>
<META content="MSHTML 6.00.2800.1458" name=GENERATOR></HEAD>
<BODY>
<CENTER>
<SCRIPT language=javascript 
src="images/head.js"></SCRIPT>

<TABLE cellSpacing=0 cellPadding=0 width=770 bgColor=#ffffff border=0>
  <TBODY>
  <TR>
    <TD width=770 height=4></TD></TR></TBODY></TABLE>
<TABLE height=26 cellSpacing=1 cellPadding=0 width=770 bgColor=#eeeeee 
  border=0><TBODY>
  <TR>
    <TD width="100%" bgColor=#f4f4f4>&nbsp;当前位置:&nbsp;<A 
      href="index.jsp">下载首页</A>&nbsp;&gt;&gt;&nbsp;用户登陆&nbsp;[<A 
      href="reg.jsp">我要注册</A>]</TD>
  </TR></TBODY></TABLE>&nbsp; 

<TABLE cellSpacing=1 cellPadding=2 width=300 bgColor=#e6e6e6 border=0>
  <FORM action=login.asp?action=login method=post target=_top>
  <TBODY>
  <TR>
    <TD width="100%" bgColor=#3faee4 height=26>&nbsp;<B><FONT 
      color=#ffffff>用户登陆</FONT></B></TD></TR>
  <TR>
    <TD width="100%" bgColor=#ffffff>
      <TABLE cellSpacing=0 cellPadding=2 width="100%" border=0>
        <TBODY>
        <TR>
          <TD align=middle width="100%">用户名：<INPUT maxLength=20 size=16 
            name=user></TD></TR>
        <TR>
          <TD align=middle width="100%">密&nbsp;&nbsp;码：<INPUT type=password 
            maxLength=20 size=16 name=pwd></TD></TR></TBODY></TABLE></TD></TR>
  <TR>
    <TD width="100%" bgColor=#f7f7f7>
      <P align=center><INPUT type=submit value="登 陆" name=Submit>&nbsp; <INPUT  type=button value="注 册" name=Submit1 onclick="javascript:window.location.href=reg.jsp;">
      </P></TD></TR></FORM></TBODY></TABLE>　
<SCRIPT language=javascript 
src="images/foot.js"></SCRIPT>
 </CENTER></BODY></HTML>
<%
}
}else{
out.print("<script>alert('您已经访问过本站了，谢谢您的支持！');window.location.href='index.jsp';</script>");
}

%>
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