今天实现了注册页面
<%--
Created by IntelliJ IDEA.
User: 张志伟
Date: 2020/10/21
Time: 18:37
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>登录</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="${pageContext.request.contextPath }/bootstrap/css/bootstrap.min.css">
<script src="${pageContext.request.contextPath }/bootstrap/js/jquery-3.5.1.min.js"></script>
<script src="${pageContext.request.contextPath }/bootstrap/js/bootstrap.min.js"></script>
<script type="text/javascript">
window.onload = prepare;
function prepare(){
if (!document.getElementById){
return false;
}//检查浏览器是否支持document.getElementById的DOM方法
login_msg();
}
<%--切换验证码--%>
function refreshCode(){
//获取验证码对象
let vcode = document.getElementById("vcode");
//设置其src属性，加时间戳
vcode.src="${pageContext.request.contextPath}/checkCodeServlet?time="+new Date().getTime();
}
//判断是否为空
function isNull(arg1)
{
return !arg1 && arg1!==0 && typeof arg1!=="boolean"?true:false;
}
//判断提示框内容是否为空
function login_msg(){
var login_alert="${login_msg}";
if (!isNull(login_alert)){
$('#login_msg_alert').attr("class","alert alert-warning alert-dismissible");
//设置自动隐藏
setTimeout(function(){
$('#login_msg_alert').remove();
},2000);
}
}
</script>
</head>
<body>
<!--导航栏-->
<nav class="navbar navbar-inverse">
<div class="container-fluid">
<!-- Brand and toggle get grouped for better mobile display -->
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#">重大需求征集系统 <small>V1.0</small></a>
</div>
</div><!-- /.navbar-collapse -->
</div><!-- /.container-fluid -->
</nav>
<!--导航栏-->
<div class="container-fluid">
<!--标题用户登录-->
<div class="row">
<div class="col-sm-6 col-sm-offset-3">
<h2 class="text-center ">用户登录</h2>
</div>
</div>
<!--登录表单-->
<div class="row">
<div class="col-sm-4 col-sm-offset-4">
<form action="${pageContext.request.contextPath}/loginServlet" method="post" >
<div class="form-group">
<label for="username">用户名</label>
<input type="text" name="username" class="form-control" id="username" placeholder="用户名">
</div>
<div class="form-group">
<label for="password">密码</label>
<input type="password" name="password" class="form-control" id="password" placeholder="密码">
</div>
<div class="form-group">
<label for="code">验证码</label>
<div class="row">
<div class="col-sm-8">
<input type="text" name="code" class="form-control" id="code" placeholder="验证码">
</div>
<div class="col-sm-4">
<a href="javascript:refreshCode();">
<img src="${pageContext.request.contextPath}/checkCodeServlet" id="vcode" class="img-responsive" alt="" title="看不清？换一张" >
</a>
</div>
</div>
</div>
<button id="submit" type="submit" class="btn btn-danger btn-block">登录</button>
<a href="register.jsp" class="btn btn-info btn-block">注册</a>
</form>
<%--出错显示的信息框--%>
<div id="login_msg_alert" class="alert alert-warning alert-dismissible hide" role="alert">
<button type="button" class="close" data-dismiss="alert" >
<span >x</span>
</button>
<strong>${login_msg}</strong>
</div>
</div>
</div>
</div>
</body>
</html>
package web.servlet;
import dao.Dao;
import domain.User;
import org.apache.commons.beanutils.BeanUtils;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.util.Map;
@WebServlet("/registerServlet")
public class registerServlet extends HttpServlet {
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//1.设置编码
request.setCharacterEncoding("utf-8");
//2.获取参数
String username=request.getParameter("username");
String pwd=request.getParameter("password");
String JGMC=request.getParameter("JGMC");
String realname=request.getParameter("realname");
String SFZH=request.getParameter("SFZH");
String YZBM=request.getParameter("YZBM");
String YDDH=request.getParameter("YDDH");
//3.封装对象
User user = new User(username,pwd,JGMC,realname,SFZH,YZBM,YDDH,0,1);
Dao dao=new Dao();
boolean result = dao.addUser(user);
if (result){
request.setAttribute("login_msg","注册成功");
request.getRequestDispatcher("/login.jsp").forward(request,response);
}else {
request.setAttribute("register_msg","注册失败");
return;
}
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
this.doPost(request, response);
}
}