package com.hanqi.www; import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse; public class Test111 extends HttpServlet {
private static final long serialVersionUID = 1L; public Test111() {
super(); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html");
response.setCharacterEncoding("UTF-8"); String us = request.getParameter("username");
String pw = request.getParameter("password");
String pw1 = request.getParameter("password1");
//判断是否正确接收
if(us != null && pw != null && pw1 != null)
{
if(!us.equals(""))
{ if(pw.equals(pw1))
{
//记录用户信息 //跳转到系统主页面
response.sendRedirect("Main.jsp"); }
else
{
//否则就提示登录错误
response.getWriter().write("请输入相同的密码");
}
}
else
{
response.getWriter().write("帐号或密码不能为空字符串");
}
}
else
{
response.getWriter().write("请正确输入您的信息");
} response.getWriter().append("Served at: ").append(request.getContextPath());
} protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response);
} }
<%@ 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>
注册成功
</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>
注册页面
<br>
<%
//销毁session
session.invalidate();
%> <form action="testpw" method = "get">
账户：<input type="text"name = "username"><br>
密码：<input type="password"name = "password"><br>
确认密码：<input type="password"name = "password1"><br>
<input type="submit" value="注册">
</form>
</body>
</html>
