📄 login.jsp
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<%@ page contentType="text/html;charset=gb2312" %>
<%@ include file="incdb.jsp"%>
<%
String userName = (String) session.getAttribute("userName_s");
if (userName!=null){
response.sendRedirect("index.jsp");
}
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<META HTTP-EQUIV="Pragma" CONTENT="no-cache">
<META HTTP-EQUIV="Cache-Control" CONTENT="no-cache">
<title>财务管理系统</title>
<link rel="stylesheet" href="images/css.css" type="text/css" media="screen">
<script Language="JavaScript">
<!--
function isspacestring(mystring)
{ var istring=mystring;
var temp,i,strlen;
temp=true;
strlen=istring.length;
for (i=0;i<strlen;i++)
{
if ((istring.substring(i,i+1)!=" ")&(temp))
{ temp=false; }
}
return temp;
}
function firstisspace(mystring)
{ var istring=mystring;
var temp,i,strlen;
temp=false;
if (istring.substring(0,1)==" ")
{ temp=true; }
return temp;
}
function check_input(theForm)
{
if ((theForm.username.value == "")|(firstisspace(theForm.username.value)))
{
alert("请输入用户名.不能以空格开头");
theForm.username.focus();
return (false);
}
if ((theForm.password.value == "")|(isspacestring(theForm.password.value)))
{
alert("请输入密码.");
theForm.password.focus();
return (false);
}
}
//-->
</script>
</head>
<body>
<p> </p><FORM action=chklogin.jsp method=post onsubmit="return check_input(this)">
<table width="400" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#6685C5">
<tr>
<td bgcolor="#FFFFFF"><table width="400" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td colspan="3"><img src="images/login.gif" width="400" height="167"></td>
</tr>
<tr>
<td height="35" colspan="3"><div align="center">用户：
<INPUT
name=username class="s01" size=16 maxLength=16>
密码：
<INPUT name=password type=password class="s01" size=16 maxLength=20>
</div></td>
</tr>
<tr>
<td width="239" height="37"><div align="center">版权所有：中国石油大学现代远程教育 </div></td>
<td width="21"> </td>
<td width="140"><input name=submit type=submit class="s02" value="登 陆">
<input name=submit1 type=reset class="s02" id="submit1" value="取 消"></td>
</tr>
</table></td>
</tr>
</table> </FORM>
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