login.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>register</title>
<style type="text/css" ></style>
</head>
<body>
<form action="login.jsp" method="post">
用户名：<input type="text" name="uname"><br>
密 码：<input type="password" name="upwd"><br>
验证码：
<input type="text" name="code_text" size="3" />
<img src="/ServletDemoProject/servlet/GetVerificationCodeServlet"
id="img_src" />
<a href="javascript:_change_verity_code()">换一张</a> <br>
<input type="submit" value="提交">
</form>
</body>
</html>
succes.jsp
<%@ page contentType="text/html" %>
<%@ page pageEncoding="utf-8" %>
<html>
<body bgcolor=cyan>
<p style="font-family:黑体;font-size:36;color:bule">
<% String uname = request.getParameter("uname");
String upwd = request.getParameter("upwd");
if(uname.equals("zs")&&upwd.equals("123")){
out.println("登录成功");
%>
用户名为：<%=uname %><br>
密码为：<%=upwd %>
<%
}else{
out.println("登录失败");
}
%>
</body>
</html>