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登陆验证代码[针对上篇文章]

2009-08-28 09:32 357 查看

<%@ page contentType="text/html; charset=gb2312" language="java"%>
<%@ page import="java.sql.*"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>用户登录</title>
</head>
<body>
<%
Connection conn=null;
Statement stmt=null;
ResultSet rs=null;
String s_UserName = request.getParameter("UserName");
String s_UserPassword = request.getParameter("UserPassword");
try
{
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
}
catch(ClassNotFoundException ce){
out.println(ce.getMessage());
}
try{
String url="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=innolux";
String user="innolux";
String password="innolux";
conn= DriverManager.getConnection(url,user,password);
stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
rs=stmt.executeQuery("select * from admininform where s_UserName='"+UserName+"'and s_UserPassword='"+UserPassword+"'");
if (rs.next())
{
session.setAttribute("UserID",rs.getInt("UserID")+"");
response.sendRedirect("user_info.jsp");
}

else
{
out.print("<SCRIPT language=JavaScript>alert('登陆出错！');javascript:history.go(-1);</SCRIPT>");
out.println("<script language=/"javascript/">window.location='./admin/index.jsp';</script>");

}

}

catch(SQLException e)
{
System.out.println(e.getMessage());
}
finally
{
stmt.close();
conn.close();
}
%>
</body>
</html>

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