代码如下:
<%@ page contentType="text/html; charset=GBK" %>
<jsp:useBean id="Dl" scope="request" class="dlxx.Dl" />
<%@ page import="java.sql.*" %>
<%@ page import="sun.jdbc.japdata %>
<%request.setCharacterEncoding("GBK");%>
<%//得到隐藏域的值
String doCreate = request.getParameter("doCreate");
String uname = request.getParameter("uname");
String psw = request.getParameter("psw");
if (doCreate==null){doCreate="false";}
//这说明提交过来了数据
if (doCreate.equals("true"))
{
//执行增加操作，要判断主键是否重复－1，
CachedRowSet resultPage=null;
resultPage=Dl.getRowSet("select * from dl where uname='"+uname+"'");
if (resultPage.next()){
resultPage=Dl.getRowSet("select * from dl where uname='"+uname+"' and psw='"+psw+"'");
if (resultPage.next()){
//登陆成功处理
String tname=resultPage.getString("tname");
session.setAttribute("tname", tname);
session.setAttribute("uname", uname);
response.sendRedirect("index.htm");
return;
}
}
%>
<script language="javascript">
alert("用户名或者密码错误!");
history.back();
</script>
<%
}
%>
<html>
<head>
<title>系统页面登陆</title>
<META http-equiv=Content-Type content="text/html; charset=GBK">
<script language="JavaScript" src="calendar.js"></Script>
<link href="images/server.css" rel="stylesheet" type="text/css">
<style type="text/css">
<!--
body,td,th { font-size: 12px;}
a {font-size: 12px;}
.input_1 {
BORDER-RIGHT: #c7c8c7 1px solid; BACKGROUND-POSITION: 50% top; BORDER-TOP: #c7c8c7 1px solid; FONT-SIZE: 12px; BACKGROUND-IMAGE: url(images/inputshow.gif); BORDER-LEFT: #c7c8c7 1px solid; COLOR: #7b7b7b; BORDER-BOTTOM: #c7c8c7 1px solid; BACKGROUND-REPEAT: repeat-x; FONT-FAMILY: Verdana, Arial, Helvetica, sans-serif
}
.style1 {color: #000000}
-->
</style>
<script language="javascript">
function checkInput()
{
if (document.denglu.uname.value==""){
alert("请输入用户名！");
document.denglu.uname.focus();
return false;}
if (document.denglu.psw.value==""){
alert("请输入密码！");
document.denglu.psw.focus();
return false;}
return true;
}
</script>
</head>
<body background="images/index_17.gif" leftmargin="000" topmargin="0">
<form name="dlym" method="POST" action="./faces/index.jsp" onSubmit="return checkInput();" >
<table width="100%" border="0" cellpadding="0" cellspacing="0" background="images/TYPE_BG.gif">
<tr> <td height=26></td></tr>
</table>
<br>
<table align="center" border="1" cellspacing="0" style="border-collapse: collapse" bordercolor="#D6E6F0" cellpadding="6">
<tr><td colspan="2" background="IMAGES/bac.gif"><div align="center"><b> 登陆信息</b></div></td> </tr>
<tr>
<td width="69">用户名:</td>
<td width="124">
<input name="uname" type="text" size="15" maxlength="15">
</td>
</tr>
<tr>
<td>密码:</td>
<td width="124">
<input name="psw" type="password" size="15" maxlength="15" >
</td>
</tr>
<tr>
<td height="25" align="center" colspan="2" >
<input type="submit" value="确定" name="Submit" >
<input type="hidden" name="doCreate" value="true">
<input type="reset" value="取消" name="Submit2">
</td></tr>
</table>
<br></td></tr>
</table>
</form>
</html>
</body>
</html>
