<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!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=UTF-8">
<title>Insert title here</title>
</head>
<style> .a{width:500px;height:300px ;border : 1px solid #FF0000 ; left : 240px ; top : 120px ;
position : relative ;background-color: purple; text-align: center ;}
</style>
<body> <hr>
<font style="text-shadow: 3px 3px 3px #FF0000">
不会连接数据库，所以先默认账号123，默认密码000，做练习
</font>
<hr>
<div class="a">
<h1>银行自助终端系统</h1> <form action="NewFile1.jsp" method="get">
卡号<input type="text" name="name"><br>
<br><br>
密码<input type="password" name="password"><br>
<br><br>
<input type="reset" value="重置" >
<input type="submit" value="登陆">
</form> </div>
</body>
</html>
<%@page import="java.sql.SQLException"%>
<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="java.sql.DriverManager"%>
<%@page import="java.sql.Connection"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!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=UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
String name = request.getParameter("name") ; name = new String(name.getBytes("ISO-8859-1") , "UTF-8" ) ; String password = request.getParameter("password") ; out.write("<br>收到的参数<br>用户名："+name+"<br> 密码："+password+"<br>") ; if(name.equals("123"))
{
if(password.equals("000"))
{
%>
<!-- 账号密码正确跳转登陆页面-->
<jsp:forward page="success.jsp"></jsp:forward>
<%
}
else
{
%>
<!-- 账号正确密码错误跳转密码错误提示页面 -->
<jsp:forward page="failpassword.jsp"></jsp:forward>
<%
}
}
else
{
%>
<!-- 账号错误跳转账号错误提示页面 -->
<jsp:forward page="failkahao.jsp"></jsp:forward>
<%
} %>
<!--
try {
Class.forName("oracle.jdbc.driver.OracleDriver") ; String url ="jdbc:oracle:thin:@localhost:1521:orcl" ; Connection conn = DriverManager.getConnection(url,"test0816","934617699") ; String sql = "select * from account_bank where kahao= ? " ; PreparedStatement ps = conn.prepareStatement(sql) ; ps.setString(1, name); ResultSet rs = ps.executeQuery() ; if(rs.next())
{
if(password.equals(rs.getString("passqord")))
{
//out.write("登陆成功") ;
}
else
{
//out.write("密码错误") ;
}
}
else
{
out.write(22) ;
//out.write("账号错误") ;
}
} catch (Exception e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}
-->
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!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=UTF-8">
<title>Insert title here</title>
</head>
<body> <h2>当输入账号错误的时候跳转该到页面</h2>
<br>
<h1>卡号不存在！！！！！！</h1>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!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=UTF-8">
<title>Insert title here</title>
</head>
<body>
<h2>当输入密码错误的时候跳转到该页面</h2>
<br>
<h1>密码错误！！！！！！</h1>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!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=UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>当都输入正确的时候进入该页面</h1>
<br>
<h1>登陆成功！</h1> </body>
</html>
账号不对时
卡号正确，密码错误的时候
当密码卡号都正确时
==================================连接数据库版======================================
<%@page import="java.sql.SQLException"%>
<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="java.sql.DriverManager"%>
<%@page import="java.sql.Connection"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!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=UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
String name = request.getParameter("name") ; name = new String(name.getBytes("ISO-8859-1") , "UTF-8" ) ; String password = request.getParameter("password") ; out.write("<br>收到的参数<br>用户名："+name+"<br> 密码："+password+"<br>") ; try {
Class.forName("oracle.jdbc.driver.OracleDriver") ; String url ="jdbc:oracle:thin:@localhost:1521:orcl" ; Connection conn = DriverManager.getConnection(url,"test0816","934617699") ; String sql = "select * from account_bank where kahao= ? " ; PreparedStatement ps = conn.prepareStatement(sql) ; ps.setString(1, name); ResultSet rs = ps.executeQuery() ; if(rs.next())
{
if(password.equals(rs.getString("password")))
{
%>
<!-- 账号密码正确跳转登陆页面-->
<jsp:forward page="success.jsp"></jsp:forward>
<%
}
else
{
%>
<!-- 账号正确密码错误跳转密码错误提示页面 -->
<jsp:forward page="failpassword.jsp"></jsp:forward>
<%
}
}
else
{
%>
<!-- 账号错误跳转账号错误提示页面 -->
<jsp:forward page="failkahao.jsp"></jsp:forward>
<%
}
} catch (Exception e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}
%>
</body>
</html>