<%@ page language="java" import="java.util.*" 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=ISO-8859-1"> <title>Insert title here</title> <style> table{ width: 200px; height:200px; text-align: center; } </style> </head> <script type="text/javascript"> function reloadCode() { var time=new Date().getTime(); document.getElementById("imagecode").src="<%= request.getContextPath()%>/servlet/ImageServlet?d="+time; } </script> <body> 登录<br/> <form action="dologin.jsp" name="myform" "<%= request.getContextPath()%>/servlet/UserServlet" method="post" > 用户名：<input type="text" name="uname"><br/> 密码：<input typut="password" name="upwd"><br/> 验证码:<input type="text" name="checkCode"/> <a href="javascript:reloadCode();"> <img alt="验证码" id="imagecode" src="<%= request.getContextPath()%>/servlet/ImageServlet"/> 看不清楚</a><br> <input type="submit" value="登录"> <form/> </body>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <% String name = request.getParameter("uname"); String pwd = request.getParameter("upwd"); if(name.equals("zs") && pwd.equals("123")) request.getRequestDispatcher("ok.jsp").forward(request, response); else request.getRequestDispatcher("no.jsp").forward(request, response); %>
<%@ page landuage="java" import ="java.util.*" pageEncoding="utf-8"%> <% request.setCharacterEncoding("utf-8"); String name = request.getParameter("uname"); String pwd = request.getParameter("upwd"); %> 你注册的姓名是<%=name%><br/> 你注册的密码是<%=pwd%><br/>
<%@ 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=ISO-8859-1"> <title>Insert title here</title> <style> table{ width: 200px; height:200px; text-align: center; } </style> </head> <body> <h1 style="color: green">登录成功</h1> </body> </html>
原文：https://www.cnblogs.com/zjzj123/p/14589031.html