5. 后台管理系统的实现
5.1 管理员登录
5.1.1 视图层页面
【src/main/resources/templates/admin/login.html】
<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>管理员登录页面</title>
<link rel="stylesheet" th:href="@{/css/bootstrap.min.css}" />
<body>
<div class="container">
<div class="bg-primary" style="width:70%; height: 60px;padding-top: 1px;">
<h3 align="center">管理员登录</h3>
</div>
<br>
<br>
<form th:action="@{/admin/login}" name="myform" method="post" th:object="${aUser}" class="form-horizontal" role="form" >
<div class="form-group has-success">
<label class="col-sm-2 col-md-2 control-label">用户名</label>
<div class="col-sm-4 col-md-4">
<input type="text" class="form-control"
placeholder="请输入管理员名"
th:field="*{aname}"/>
<span th:errors="*{aname}"></span>
</div>
</div>
<div class="form-group has-success">
<label class="col-sm-2 col-md-2 control-label">密码</label>
<div class="col-sm-4 col-md-4">
<input type="password" class="form-control"
placeholder="请输入您的密码" th:field="*{apwd}"/>
<span th:errors="*{apwd}"></span>
</div>
</div>
<div class="form-group">
<div class="col-sm-offset-2 col-sm-10">
<button type="submit"class="btn btn-success" >登录</button>
<button type="reset" class="btn btn-primary" >重置</button>
</div>
</div>
</form>
</div>
</body>
</html>
5.1.2 实体层
package pers.xsc.online_shopping.entity;
public class AUser {
private String aname;
private String apwd;
public AUser() {
}
public AUser(String aname, String apwd) {
this.aname = aname;
this.apwd = apwd;
}
public String getAname() {
return aname;
}
public void setAname(String aname) {
this.aname = aname;
}
public String getApwd() {
return apwd;
}
public void setApwd(String apwd) {
this.apwd = apwd;
}
@Override
public String toString() {
return "AUser{" +
"aname='" + aname + '\'' +
", apwd='" + apwd + '\'' +
'}';
}
}
5.1.3 控制器层方法
package pers.xsc.online_shopping.controller.admin;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;
import pers.xsc.online_shopping.entity.AUser;
import pers.xsc.online_shopping.entity.User;
import pers.xsc.online_shopping.service.admin.AdminService;
import javax.servlet.http.HttpSession;
@Controller
@RequestMapping("/admin")
public class AdminController {
@Autowired
AdminService adminService;
@RequestMapping("/toLogin")
//跳转到admin/login.html视图上,并指定AUser作为视图表单需要绑定的javaBean
public String toLogin(@ModelAttribute("aUser")AUser aUser){
return "admin/login";
}
//管理员登录验证
@RequestMapping("/login")
public String Login(@ModelAttribute("aUser")AUser aUser, HttpSession httpSession){
/**
*@ModelAttribute("aUser")AUser aUser接收login.html
*页面中的表单数据，并将数据作为adminService.login（）的
*参数，该注解与表单中的th:object="${aUser}" 相照应，这个
*元素用于表单数据对象绑定，将表单绑定传送到后台controller
*的一个JavaBean参数，通常与th:field="*{XXX}"一起使用。同时路径的*
*跳转利用th:action="@{/XXX}"完成。
**/
return adminService.login(aUser,httpSession);
}
}
5.1.4 业务层接口及其实现
package pers.xsc.online_shopping.service.admin;
import org.springframework.ui.Model;
import pers.xsc.online_shopping.entity.AUser;
import javax.servlet.http.HttpSession;
public interface AdminService {
String login(AUser aUser, HttpSession httpSession);
}
package pers.xsc.online_shopping.service.admin.impl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import pers.xsc.online_shopping.entity.AUser;
import pers.xsc.online_shopping.exception.CustomException;
import pers.xsc.online_shopping.exception.ExceptionEnum;
import pers.xsc.online_shopping.mapper.admin.AdminMapper;
import pers.xsc.online_shopping.service.admin.AdminService;
import pers.xsc.online_shopping.utils.Constant;
import pers.xsc.online_shopping.utils.MD5Utils;
import pers.xsc.online_shopping.utils.ResultUtils;
import javax.servlet.http.HttpSession;
@Service
public class AdminServiceImpl implements AdminService {
@Autowired
AdminMapper adminMapper ;
/**
* 管理员登录验证方法
* @param aUser 输入的管理员账号与密码
* @param httpSession 将成功登录的管理员信息存入session
* @return
*/
@Override
public String login(AUser aUser, HttpSession httpSession){
if ((aUser.getAname()==null||aUser.equals(""))||(aUser.getApwd()==null||aUser.getApwd().equals(""))) {
//抛出异常——PARAM_IS_BLANK(20003,"参数[用户名/密码]为空")
throw new CustomException(ExceptionEnum.PARAM_IS_BLANK.getCode(),ExceptionEnum.PARAM_IS_BLANK.getMsg());
}else {
AUser aUser_find = adminMapper.login(aUser);
aUser_find.setApwd(MD5Utils.getMD5StrByDigestUtils(aUser.getApwd()));
if (StringUtils.isEmpty(aUser_find)) {
//抛出异常——USER_LOGIN_ERROR(20002, "账号不存在或密码错误")
throw new CustomException(ExceptionEnum.USER_LOGIN_ERROR.getCode(),ExceptionEnum.USER_LOGIN_ERROR.getMsg());
} else {
httpSession.setAttribute(Constant.ADMIN_USER, aUser_find);
return "forward:/goods/selectAllGoodsByPage?currentPage=1&act=select";
}
}
}
}
5.1.5 持久层
package pers.xsc.online_shopping.mapper.admin;
import org.apache.ibatis.annotations.Param;
import pers.xsc.online_shopping.entity.AUser;
public interface AdminMapper {
AUser login(AUser aUser);
}
5.1.6 映射文件
【src/main/resources/mappers/AdminMapper.xml】
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="pers.xsc.online_shopping.mapper.admin.AdminMapper">
<!-- 通用查询结果列-->
<sql id="Base_Column_List">aname,apwd</sql>
<!--验证用户登录-->
<select id="login" parameterType="pers.xsc.online_shopping.entity.AUser" resultType="pers.xsc.online_shopping.entity.AUser">
select <include refid="Base_Column_List"/> from auser_table where aname = #{aname} and apwd = #{apwd}
</select>
</mapper>5.2 商品列表管理
5.2.1 商品展示
5.2.1.1 视图层页面
【src/main/resources/templates/admin/selectGoods.html】
<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<base th:href="@{/}">
<meta charset="UTF-8">
<title>主页</title>
<link rel="stylesheet" href="css/bootstrap.min.css" />
<script src="js/jquery.min.js"></script>
<script type="text/javascript" th:inline="javascript">
function deleteGoods(tid){
$.ajax(
{
//请求路径，要注意的是url和th:inline="javascript"
url : [[@{/goods/delete}]],
//请求类型
type : "post",
//data表示发送的数据
data : {
id : tid
},
//成功响应的结果
success : function(obj){//obj响应数据
if(obj == "no"){
alert("该商品有关联不允许删除！");
}else{
if(window.confirm("真的删除该商品吗？")){
window.location.href = obj;
}
}
},
error : function() {
alert("处理异常！");
}
}
);
}
</script>
<style>
.table .text-center tr th,td{text-align: center;vertical-align: middle!important;}
</style>
</head>
<body>
<!-- 加载header.html -->
<div th:include="admin/header"></div>
<br><br><br>
<div class="container">
<div class="panel panel-primary">
<div class="panel-heading">
<h3 class="panel-title">商品列表</h3>
</div>
<div class="panel-body">
<div class="table table-responsive">
<table class="table table-bordered table-hover">
<tbody class="text-center">
<tr>
<th>商品ID</th>
<th>商品名称</th>
<th>商品简介</th>
<th>商品类型</th>
<th>商品图片</th>
<th>详情</th>
<th th:if="${act} == 'updateSelect'">操作</th>
<th th:if="${act} == 'deleteSelect'">操作</th>
</tr>
<tr th:each="gds:${allGoods}">
<td th:text="${gds.id}"></td>
<td th:text="${gds.gname}"></td>
<td th:text="${gds.description}" style ="width:230px;word-wrap:break-word;word-break:break-all;"></td>
<td th:text="${gds.typename}"></td>
<td>
<button th:text="${gds.gpicture} + '点击查看商品图片'" type="button" class="btn btn-primary" data-toggle="modal" data-target="#myModal">
</button>
</td>
<td>
<a th:href="@{goods/detail(id=${gds.id},act=detail)}" target="_blank">详情</a>
</td>
<td th:if="${act} == 'updateSelect'">
<a th:href="@{goods/detail(id=${gds.id},act=update)}" target="_blank">修改</a>
</td>
<td th:if="${act} == 'deleteSelect'">
<a th:href="'javascript:deleteGoods(' + ${gds.id} +')'" >删除</a>
</td>
</tr>
<tr th:if="${act} == 'select'">
<td colspan="7" align="right">
<ul class="pagination">
<li><a>第<span th:text="${currentPage}" ></span>页</a></li>
<li><a>共<span th:text="${totalPage}" ></span>页</a></li>
<li>
<span th:if="${currentPage} != 1" >
<a th:href="@{goods/selectAllGoodsByPage(act=select,currentPage=${currentPage - 1})}">上一页</a>
</span>
<span th:if="${currentPage} != ${totalPage}" >
<a th:href="@{goods/selectAllGoodsByPage(act=select,currentPage=${currentPage + 1})}">下一页</a>
</span>
</li>
</ul>
</td>
</tr>
<tr th:if="${act} == 'updateSelect'">
<td colspan="7" align="right">
<ul class="pagination">
<li><a>第<span th:text="${currentPage}" ></span>页</a></li>
<li><a>共<span th:text="${totalPage}" ></span>页</a></li>
<li>
<span th:if="${currentPage} != 1" >
<a th:href="@{goods/selectAllGoodsByPage(act=updateSelect,currentPage=${currentPage - 1})}">上一页</a>
</span>
<span th:if="${currentPage} != ${totalPage}" >
<a th:href="@{goods/selectAllGoodsByPage(act=updateSelect,currentPage=${currentPage + 1})}">下一页</a>
</span>
</li>
</ul>
</td>
</tr>
<tr th:if="${act} == 'deleteSelect'">
<td colspan="7" align="right">
<ul class="pagination">
<li><a>第<span th:text="${currentPage}" ></span>页</a></li>
<li><a>共<span th:text="${totalPage}" ></span>页</a></li>
<li>
<span th:if="${currentPage} != 1" >
<a th:href="@{goods/selectAllGoodsByPage(act=deleteSelect,currentPage=${currentPage - 1})}">上一页</a>
</span>
<span th:if="${currentPage} != ${totalPage}" >
<a th:href="@{goods/selectAllGoodsByPage(act=deleteSelect,currentPage=${currentPage + 1})}">下一页</a>
</span>
</li>
</ul>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<!-- 模态框 -->
<div class="modal fade" id="myModal">
<div class="modal-dialog">
<div class="modal-content">
<!-- 模态框头部 -->
<div class="modal-header">
<h4 class="modal-title"></h4>
<button type="button" class="close" data-dismiss="modal">×</button>
</div>
<!-- 模态框主体 -->
<div class="modal-body" id="oDiv" style=" background-image: url(images/modal_bg.jpg);background-repeat: no-repeat;background-size:100% 100%;">
</div>
<!-- 模态框底部 -->
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">关闭</button>
</div>
</div>
</div>
</div>
</div>
</div>
<script>
$('.btn-primary').click(function(){
$('.modal-title').html("");
$('.modal-body').html("");
//$('#myModal').on('shown.bs.modal', function () {
var text1 = $(this).closest("tr").find("td:eq(1)").text();
var text2 = $(this).closest("tr").find("td:eq(4)").text();
$('.modal-title').prepend(text1);
var newText2 = ("images/").concat(text2.replace("点击查看商品图片","")).replace(/\s+/g,"");
//$('.img-thumbnail').attr('src',newText2);
//$('.modal-body').prepend(newText2);
//alert(newText2);
var bigImg = document.createElement("img"); //创建一个img元素
bigImg.src = newText2; //给img元素的src属性赋值
bigImg.width= "350"; //320个像素 不用加px
bigImg.height= "260";
bigImg.style = "display: block;margin: auto;"
var myp = document.getElementById('oDiv'); //获得dom对象
myp.appendChild(bigImg); //为dom添加子元素img
//})
})
</script>
</body>
</html>
【src/main/resources/templates/admin/header.html】
<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>导航页</title>
<base th:href="@{/}"><!-- 不用base就使用th:src="@{/js/jquery.min.js} -->
<!-- Bootstrap -->
<link href="css/bootstrap.min.css" rel="stylesheet">
<script src="js/jquery.min.js"></script>
<script src="js/bootstrap.min.js"></script>
<script>
/* 时间 */
var arr_week=new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");
var strWeek=arr_week[new Date().getDay()];
setInterval(" document.getElementById('time').innerHTML= new Date().toLocaleString() +' '+ strWeek ",1000);
</script>
</head>
<body>
<div class="container-fruid">
<div class="navbar navbar-default navbar-fixed-top" role="navigation"
style="padding-left: 30px;">
<ul class="nav navbar-nav">
<li class="dropdown"><a href="##" data-toggle="dropdown"
class="dropdown-toggle">类型管理<span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a th:href="@{type/selectAllTypeByPage?currentPage=1}">查询类型</a></li>
<li><a th:href="@{type/toAddType}">添加类型</a></li>
</ul>
</li>
<li class="dropdown"><a href="##" data-toggle="dropdown"
class="dropdown-toggle">商品管理<span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a th:href="@{goods/selectAllGoodsByPage?currentPage=1&act=select}">查询商品</a></li>
<li><a th:href="@{goods/toAddGoods}">添加商品</a></li>
<li><a th:href="@{goods/selectAllGoodsByPage?currentPage=1&act=updateSelect}">修改商品</a></li>
<li><a th:href="@{goods/selectAllGoodsByPage?currentPage=1&act=deleteSelect}">删除商品</a></li>
</ul>
</li>
<li><a th:href="@{selectOrder?currentPage=1}">查询订单</a></li>
<li><a th:href="@{selectUser?currentPage=1}">用户管理</a></li>
<li><a th:href="@{admin/loginOut}">安全退出</a></li>
<li><a href="javascript:void(0);" ><span class="glyphicon glyphicon-user" th:text="'你好，'+${session.adminUser.aname}+'管理员'"></span></a></li>
<li><a href="javascript:void(0);" ><span class="glyphicon glyphicon-time" id="time"></span></a></li>
<li>
<a href="javascript:void(0);" >
<span>
<iframe width="500" height="20" frameborder="0" scrolling="no" hspace="0" src="https://i.tianqi.com/?c=code&a=getcode&id=11&icon=1"></iframe>
</span>
</a>
</li>
</ul>
</div>
</div>
</body>
</html>
5.2.1.2 实体层
package pers.xsc.online_shopping.entity;
import org.springframework.web.multipart.MultipartFile;
import java.util.Date;
public class Goods {
private int id;
private String gname;//商品名称
private String description;//商品描述
private double goprice;//商品原价
private double grprice;//商品现价
private int gstore;//商品库存
private String gpicture;//商品图片
private MultipartFile fileName;//文件名
private int goodstype_id;//商品类型ID
private String typename;
private int buyNumber;//加入购物车使用
private int isAdvertisement;//是否广告
private int isRecommend;//是否推荐
private Date utime;//更新时间
private Date etime;//入库时间
public Goods() {
}
public int getBuyNumber() {
return buyNumber;
}
public void setBuyNumber(int buyNumber) {
this.buyNumber = buyNumber;
}
public MultipartFile getFileName() {
return fileName;
}
public void setFileName(MultipartFile fileName) {
this.fileName = fileName;
}
public String getTypename() {
return typename;
}
public void setTypename(String typename) {
this.typename = typename;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getGname() {
return gname;
}
public void setGname(String gname) {
this.gname = gname;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public double getGoprice() {
return goprice;
}
public void setGoprice(double goprice) {
this.goprice = goprice;
}
public double getGrprice() {
return grprice;
}
public void setGrprice(double grprice) {
this.grprice = grprice;
}
public int getGstore() {
return gstore;
}
public void setGstore(int gstore) {
this.gstore = gstore;
}
public String getGpicture() {
return gpicture;
}
public void setGpicture(String gpicture) {
this.gpicture = gpicture;
}
public int getGoodstype_id() {
return goodstype_id;
}
public void setGoodstype_id(int goodstype_id) {
this.goodstype_id = goodstype_id;
}
public int getIsAdvertisement() {
return isAdvertisement;
}
public void setIsAdvertisement(int isAdvertisement) {
this.isAdvertisement = isAdvertisement;
}
public int getIsRecommend() {
return isRecommend;
}
public void setIsRecommend(int isRecommend) {
this.isRecommend = isRecommend;
}
public Date getUtime() {
return utime;
}
public void setUtime(Date utime) {
this.utime = utime;
}
public Date getEtime() {
return etime;
}
public void setEtime(Date etime) {
this.etime = etime;
}
}
5.2.1.3 控制层方法
package pers.xsc.online_shopping.controller.admin;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import pers.xsc.online_shopping.entity.Goods;
import pers.xsc.online_shopping.service.admin.GoodsService;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.util.Date;
@Controller
@RequestMapping("/goods")
public class GoodsController {
@Autowired
private GoodsService goodsService;
@RequestMapping("/selectAllGoodsByPage")
public String selectAllGoodsByPage(Model model, int currentPage, String act){
return goodsService.selectAllGoodsByPage(model, currentPage, act);
}5.2.1.4 业务层接口及实现
package pers.xsc.online_shopping.service.admin;
import org.springframework.ui.Model;
import pers.xsc.online_shopping.entity.Goods;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
public interface GoodsService {
String selectAllGoodsByPage(Model model, int currentPage, String act);
}
package pers.xsc.online_shopping.service.admin.impl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.ui.Model;
import org.springframework.web.multipart.MultipartFile;
import pers.xsc.online_shopping.entity.Goods;
import pers.xsc.online_shopping.mapper.admin.GoodsMapper;
import pers.xsc.online_shopping.mapper.admin.GoodsTypeMapper;
import pers.xsc.online_shopping.service.admin.GoodsService;
import pers.xsc.online_shopping.utils.ReFilenameUtils;
import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.io.IOException;
import java.util.Date;
import java.util.List;
@Service
public class GoodsServiceImpl implements GoodsService {
@Autowired
GoodsMapper goodsMapper;
@Autowired
GoodsTypeMapper goodsTypeMapper;
@Override
public String selectAllGoodsByPage(Model model, int currentPage, String act) {
//共多少个商品
int totalCount = goodsMapper.selectAllGoods();
//计算共多少页
int pageSize = 5;
int totalPage = (int)Math.ceil(totalCount*1.0/pageSize);
List<Goods> typeByPage = goodsMapper.selectAllGoodsByPage((currentPage-1)*pageSize, pageSize);
model.addAttribute("allGoods", typeByPage);
model.addAttribute("totalPage", totalPage);
model.addAttribute("currentPage", currentPage);
model.addAttribute("act", act);
return "admin/selectGoods";
}
}
5.2.1.5 持久层
package pers.xsc.online_shopping.mapper.admin;
import org.apache.ibatis.annotations.Param;
import pers.xsc.online_shopping.entity.Goods;
import pers.xsc.online_shopping.entity.GoodsType;
import java.util.List;
import java.util.Map;
public interface GoodsMapper {
//分页查询
List<Goods> selectAllGoodsByPage(@Param("startIndex") int startIndex, @Param("perPageSize") int perPageSize);
//查询总记录数
int selectAllGoods();
}
5.2.1.6 映射文件
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="pers.xsc.online_shopping.mapper.admin.GoodsMapper">
<!-- 分页查询 -->
<select id="selectAllGoodsByPage" resultType="pers.xsc.online_shopping.entity.Goods">
select gt.*,gy.typename
from goods_table gt,goodstype_table gy
where gt.goodstype_id = gy.id
order by id asc limit #{startIndex}, #{perPageSize}
</select>
<select id="selectAllGoods" resultType="java.lang.Integer">
select count(*) from goods_table
</select>
</mapper>5.2.1.7 效果图
5.2.1.8 模块小结
头部导航栏header.html视图中显示“你好，XXX管理员”这里的“XXX”是利用session取值，${session.后台设置的存放用户信息的session名.aname},即${session.adminUser.aname},其中“adminUser”为全局常量——public static final String ADMIN_USER = "adminUser";
- 分页查询：前台传回页码参数到控制层，再转到实现方法，利用(currentPage-1)*pageSize计算出起始商品ID，展示条数pageSize为固定，将两个参数传入持久层，利用sql语句的limit关键字完成分页查询。
- 点击查看商品图片，然后弹出模态框进行展示关键：利用closest()方法获得匹配选择器的第一个祖先元素
,利用find("td:eq(1")方法找到第二个子元素 ,再利用text()方法获得文本值，接着利用concat(text2.replace("点击查看商品图片","")).replace(/\s+/g,"")去掉无用字符串及空格，然后剩下的就是清空与回填操作。 <script> $('.btn-primary').click(function(){ $('.modal-title').html(""); $('.modal-body').html(""); //$('#myModal').on('shown.bs.modal', function () { var text1 = $(this).closest("tr").find("td:eq(1)").text(); var text2 = $(this).closest("tr").find("td:eq(4)").text(); $('.modal-title').prepend(text1); var newText2 = ("images/").concat(text2.replace("点击查看商品图片","")).replace(/\s+/g,""); //$('.img-thumbnail').attr('src',newText2); //$('.modal-body').prepend(newText2); //alert(newText2); var bigImg = document.createElement("img"); //创建一个img元素 bigImg.src = newText2; //给img元素的src属性赋值 bigImg.width= "350"; //320个像素 不用加px bigImg.height= "260"; bigImg.style = "display: block;margin: auto;" var myp = document.getElementById('oDiv'); //获得dom对象 myp.appendChild(bigImg); //为dom添加子元素img //}) })### 5.2.2 商品详情 #### 5.2.2.1 视图层页面 【src/main/resources/templates/admin/deatil.html】商品详情页
商品详情
商品名称 商品简介 商品原价 商品折扣价 商品库存 商品入库时间 商品更新时间 商品图片  #### 5.2.2.2 控制器层方法@RequestMapping("/detail") public String detail(Model model , Integer id , String act,HttpSession session){ if((AUser) session.getAttribute(Constant.ADMIN_USER) == null ){ throw new CustomException(ExceptionEnum.SESSION_FAILED.getCode(), ExceptionEnum.SESSION_FAILED.getMsg()); } return goodsService.detail(model,id,act); }
#### 5.2.2.3 业务层接口及实现方法String detail(Model model, Integer id, String act);
@Override public String detail(Model model, Integer id, String act) { model.addAttribute("goods", goodsMapper.selectAGoods(id)); if("detail".equals(act)) return "admin/detail"; else { model.addAttribute("goodsType", goodsMapper.selectAllGoodsType()); return "admin/updateAGoods"; } }
#### 5.2.2.4 持久层Goods selectAGoods(Integer id);
#### 5.2.2.5 映射文件<select id="selectAGoods" resultType="pers.xsc.online_shopping.entity.Goods"> select gt.*, gy.typename from goods_table gt,goodstype_table gy where gt.goodstype_id = gy.id and gt.id = #{id} </select>### 5.2.3 商品更新 #### 5.2.3.1 视图层页面 【src/main/resources/templates/admin/updateAGoods.html】商品类型添加页面
修改商品
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