📄 dologin.jsp
字号:
<%@ page contentType="text/html; charset=gb2312" language="java"
import="java.sql.*" import="cnicc.*" errorPage=""%>
<!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>无标题文档</title>
</head>
<body>
<%
String username = request.getParameter("username").trim();
String password = request.getParameter("password").trim();
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection conn = null;
try {
conn = DriverManager.getConnection("jdbc:odbc:database");
String sql = "select * from admin where username='" + username
+ "' and password='" + MD5.md5(MD5.md5(password)) + "'";
Statement stmt = conn.createStatement();
ResultSet rs=stmt.executeQuery(sql);
if(rs.next()){
session.setAttribute("username",username);
response.sendRedirect("success.jsp");
}else{
%>
<script language="javascript" type="text/javascript">
alert("用户名或者密码错误");
document.location="login.jsp";
</script>
<%
}
} finally {
if (conn != null)
conn.close();
}
%>
</body>
</html>
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