login.asp

java书店管理系统 java书店管理系统 java书店管理系统

<style type="text/css">
<!--
body,td,th {
	font-size: 12px;
}
body {
	background-color: #B1DB99;
}
-->
</style><!--#Include file="inc/conn.asp" -->
<%
	Dim strUsername ,strUserPwd ,strUserType ,strTableName
	strUsername = Trim(Request.Form("UserName"))
	strUserPwd = Trim(Request.Form("Password"))
	strUserType = Trim(Request.Form("Usertype"))
	
	If strUserType = "学生" Then
		strTableName = "Student"
	ElseIf strUserType = "教师" Then
		strTableName = "Teacher"
	ElseIf strUserType = "管理员" Then
		strTableName = "Admin"
	End If
	
	If strTableName ="" Then
		Response.Write("参数出错！")
		Response.End 
	End If
	
	Dim rs ,strSql 
	Set rs = Server.CreateObject("ADODB.Recordset")
	If strTableName = "Student" Then 
		strSql = "SELECT * FROM "& strTableName &" WHERE (Name = '"& strUsername &"' OR SNO = "& strUserName &" ) AND Pwd = '"& strUserPwd &"'"
	ElseIf strTableName = "Teacher" Then
		strSql = "SELECT * FROM "& strTableName &" WHERE (Name = '"& strUsername &"' OR TNO = "& strUserName &" ) AND Pwd = '"& strUserPwd &"'"
	Else
		strSql = "SELECT * FROM "& strTableName &" WHERE Name = '"& strUsername &"' AND Pwd = '"& strUserPwd &"'"
	End If
	rs.open strSql,conn,1,1
	
	If rs.EOF or rs.BOF Then
		Response.Write("<BR><BR><BR><Div align=center>登录失败，用户不存在或密码错误!<Br><BR><a href=index.asp>重新登录</a></div>")
		Response.End
	Else
		Session("ID") = rs("ID").value
		Session("UserName") = rs("Name").value
		Session("UserType") = strUserType
		Response.Redirect("Main.asp")
	End If

%>