登入註冊樣例（附帶輸入資訊檢驗） springmvc
阿新 • • 發佈：2018-12-10
1 註冊介面
<%@ 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 charset="utf-8">
<meta http-equiv="X-UA-Compatible" content 2 登入介面
<%@ 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>登入頁面</title>
<link href="${pageContext.request.contextPath}/conf2/css/login.css" rel="stylesheet" rev="stylesheet" type="text/css" media="all" />
<script type="text/javascript" src="${pageContext.request.contextPath}/conf2/js/jQuery1.7.js"></script>
<script type="text/javascript" src="${pageContext.request.contextPath}/conf2/js/jquery-1.8.2.min.js"></script>
<script type="text/javascript" src="${pageContext.request.contextPath}/conf2/js/jquery1.42.min.js"></script>
<script type="text/javascript" src="${pageContext.request.contextPath}/conf2/js/jquery.SuperSlide.js"></script>
<script type="text/javascript" src="${pageContext.request.contextPath}/conf2/js/Validform_v5.3.2_min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
var $tab_li = $('#tab ul li');
$tab_li.hover(function(){
$(this).addClass('selected').siblings().removeClass('selected');
var index = $tab_li.index(this);
$('div.tab_box > div').eq(index).show().siblings().hide();
});
});
</script>
<script type="text/javascript">
$(function(){
$(".screenbg ul li").each(function(){
$(this).css("opacity","0");
});
$(".screenbg ul li:first").css("opacity","1");
var index = 0;
var t;
var li = $(".screenbg ul li");
var number = li.size();
function change(index){
li.css("visibility","visible");
li.eq(index).siblings().animate({opacity:0},3000);
li.eq(index).animate({opacity:1},3000);
}
function show(){
index = index + 1;
if(index<=number-1){
change(index);
}else{
index = 0;
change(index);
}
}
t = setInterval(show,8000);
//根據視窗寬度生成圖片寬度
var width = $(window).width();
$(".screenbg ul img").css("width",width+"px");
});
</script>
</head>
</script>
<%
if ((String)request.getAttribute("status") == "success") { %>
<script>
alert("${info}");
</script>
<%}%>
<body>
<div id="tab">
<ul class="tab_menu">
<li class="selected">買家登入</li>
<li>賣家登入</li>
<li>管理員登入</li>
</ul>
<div class="tab_box">
<div>
<div class="stu_error_box"></div>
<form action="${pageContext.request.contextPath}/buyer/login.do" method="post" class="stu_login_error">
<div id="username">
<label>使用者名稱：</label>
<input type="text" id="stu_username_hide" name="username" placeholder="輸入使用者名稱" />
</div>
<div id="password">
<label>密 碼：</label>
<input type="password" id="stu_password_hide" name="password" placeholder="輸入密碼" />
</div>
<div id="username">
<a href="${pageContext.request.contextPath}/buyer/index.do" >
<span style="float:right;font-weight: bold;color: #3d96c9;">
返回首頁        
</span></a>
<a href="${pageContext.request.contextPath}/views/buyer/register.jsp" >
<span style="float:right;font-weight: bold;color: #3d96c9;">
買家註冊        
</span></a>
</div>
<div id="login">
<button type="submit">登入</button>
</div>
</form>
</div>
<div class="hide">
<div class="tea_error_box"></div>
<form action="${pageContext.request.contextPath}/seller/login.do" method="post" class="tea_login_error">
<div id="username">
<label>使用者名稱：</label>
<input type="text" id="tea_username_hide" name="username" placeholder="輸入使用者名稱" />
</div>
<div id="password">
<label>密 碼：</label>
<input type="password" id="tea_password_hide" name="password" placeholder="輸入密碼" />
</div>
<div id="username">
<a href="${pageContext.request.contextPath}/buyer/index.do" >
<span style="float:right;font-weight: bold;color: #3d96c9;">
返回首頁        
</span></a>
<a href="${pageContext.request.contextPath}/views/seller/register.jsp" >
<span style="float:right;font-weight: bold;color: #3d96c9;">
賣家註冊        
</span></a>
</div>
<div id="login">
<button type="submit">登入</button>
</div>
</form>
</div>
<div class="hide">
<div class="sec_error_box"></div>
<form action="${pageContext.request.contextPath}/admin/login.do" method="post" class="sec_login_error">
<div id="username">
<label>使用者名稱：</label>
<input type="text" id="sec_username_hide" name="username" placeholder="輸入使用者名稱" />
</div>
<div id="password">
<label>密 碼：</label>
<input type="password" id="sec_password_hide" name="password" placeholder="輸入密碼" />
</div>
<div id="username">
<a href="${pageContext.request.contextPath}/buyer/index.do" >
<span style="float:right;font-weight: bold;color: #3d96c9;">
返回首頁        
</span></a>
</div>
<div id="login">
<button type="submit">登入</button>
</div>
</form>
</div>
</div>
</div>
<div class="bottom">©2018 中央財經大學</div>
<div class="screenbg">
<ul>
<li><a href="javascript:;"><img src="${pageContext.request.contextPath}/conf2/images/0.jpg"></a></li>
<li><a href="javascript:;"><img src="${pageContext.request.contextPath}/conf2/images/1.jpg"></a></li>
<li><a href="javascript:;"><img src="${pageContext.request.contextPath}/conf2/images/2.jpg"></a></li>
</ul>
</div>
</body>
</html>3 登入註冊的controller，附帶退出登入
package com.ssh.controller;
import java.io.File;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.apache.catalina.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import com.ssh.po.Activity;
import com.ssh.po.Buyer;
import com.ssh.po.Cart;
import com.ssh.po.Category;
import com.ssh.po.Collection;
import com.ssh.po.DetailedOrder;
import com.ssh.po.Order;
import com.ssh.po.Product;
import com.ssh.po.Seller;
import com.ssh.service.BuyerService;
@Controller
@RequestMapping("/buyer")
public class BuyerController
{
@Autowired
private BuyerService buyerService;
public BuyerService getBuyerService()
{
return buyerService;
}
public void setBuyerService(BuyerService buyerService)
{
this.buyerService = buyerService;
}
@RequestMapping(value="/login")
public ModelAndView login(String username,String password,HttpServletRequest request){
Buyer buyer=buyerService.login(username,password);
if(buyer==null){
ModelAndView modelAndView = new ModelAndView("/login");
modelAndView.addObject("status", "success");
modelAndView.addObject("info", "買家使用者名稱和密碼不正確");
return modelAndView;
}
request.getSession().setAttribute("buyer", buyer);
ModelAndView modelAndView = new ModelAndView("/buyer/info_show");
modelAndView.addObject("status", "success");
modelAndView.addObject("info", "使用者"+buyer.getName()+"登入成功");
return modelAndView;
}
@RequestMapping(value = "/logout")
public String logout(HttpServletRequest request){
HttpSession session=request.g