admin_check.jsp

与上一个 asp版本的相比较

<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>

<%@include file="..\\conn\\link.jsp" %>

<% 

String username=(String)session.getAttribute("username");
String userpsw=(String)session.getAttribute("userpsw");

try{
if(username.equals(null))
{
out.print("<script language=javascript>alert('权限不够!');parent.window.location='../admin/admin_login.jsp';</script>");	
}
else
{
	Statement stmt1=conn.createStatement();
	String sql1="select * from tb_admin where admin_name='"+username+"' or admin_psw='"+userpsw+"'";
	ResultSet Rs1=stmt1.executeQuery(sql1);
	if(!Rs1.next())
	{
	out.print("<script language=javascript>alert('权限不够!');parent.window.location='../admin/admin_login.jsp';</script>");
	}
	
	Rs1.close();
	stmt1.close();
}

}

catch(Exception e)
{
out.print("<script language=javascript>alert('权限不够!');parent.window.location='../admin/admin_login.jsp';</script>");	
}
%>