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计算机毕业设计基于SpringBoot框架的网上蛋糕销售系统的设计与实现 Java实战项目附源码+文档+视频讲解

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计算机毕业设计《1000套》✌

1、项目介绍及开发技术

1.1 项目介绍

1.2 开发技术

2、系统功能设计结构图

3、功能截图

3.1 前台功能

3.2 后台功能

4、数据库表结构设计

5、关键代码

5.1 蛋糕信息Controller模块

5.2 蛋糕信息Service模块

5.3 蛋糕信息ServiceImpl模块

5.4 蛋糕信息Dao模块

6、论文目录结构

7、源码获取

1、项目介绍及开发技术

1.1 项目介绍

在数字化时代，电子商务的兴起为传统行业带来了新的机遇和挑战。尤其是对于蛋糕销售行业，消费者对于个性化、便捷化的购物体验需求日益增长。为了满足市场需求，提高销售效率，我们设计并开发了一个基于SpringBoot框架的网上蛋糕销售系统。

背景：
传统的蛋糕销售模式通常依赖于实体店铺，受限于地理位置和营业时间，无法满足消费者随时订购的需求。随着互联网技术的发展，越来越多的消费者倾向于在线购物，享受便捷的服务和个性化的选择。因此，开发一个网上蛋糕销售系统，对于拓展销售渠道、提升顾客体验具有重要意义。

目的意义：

1. 提升购物体验：系统提供直观的蛋糕展示、便捷的在线订购流程，以及个性化的蛋糕定制服务，满足消费者对于便捷和个性化的需求。
2. 优化库存管理：通过实时更新的库存管理系统，可以有效地控制库存量，减少过剩或缺货的情况，提高库存周转率。
3. 增强营销能力：系统内置的优惠券和促销活动管理功能，有助于吸引新客户，提升老客户的复购率，增强整体营销能力。
4. 提高运营效率：系统自动化的订单处理和物流跟踪功能，减少了人工操作的错误和时间成本，提高了运营效率。
5. 数据分析与决策支持：系统提供的销售数据分析和客户行为分析，为管理者提供了决策支持，帮助优化产品结构和营销策略。

综上所述，基于SpringBoot框架的网上蛋糕销售系统，不仅能够为消费者提供一个便捷、个性化的购物平台，还能够为蛋糕销售商提供一个高效、智能化的运营管理工具。通过技术手段优化蛋糕销售流程，该系统有望成为推动蛋糕行业电子商务发展的重要力量。

1.2 开发技术

类别	技术名称	用途/描述
开发语言	Java	一种广泛使用的面向对象编程语言。
框架	Spring Boot	简化Spring应用的初始搭建以及开发过程。
ORM工具	MyBatis Plus	MyBatis的增强工具，简化CRUD操作。
数据库	MySQL	流行的关系型数据库管理系统。
构建工具	Maven	项目管理和理解工具。
开发工具	IDEA	集成开发环境，用于代码编写和调试。
JDK版本	JDK 1.8+	Java开发工具包，提供运行Java程序所需的环境。
前端框架	Vue	用于构建用户界面的渐进式JavaScript框架。
UI框架	Element UI	基于Vue的桌面端组件库。
前端技术	HTML	网页内容的标准标记语言。
前端技术	CSS	描述HTML文档的样式。
前端技术	JS	网页脚本语言，用于实现网页的动态效果。

2、系统功能设计结构图

功能模块结构图
│
├── 前端
│ ├── 登录
│ ├── 注册
│ ├── 首页
│ ├── 蛋糕信息
│ ├── 公告资讯
│ ├── 购物车
│ ├── 在线客服
│ └── 个人中心
│ ├── 个人中心
│ ├── 修改密码
│ ├── 我的订单
│ ├── 我的地址
│ ├── 我的收藏
│ └── 我的优惠券
│
└── 后端
├── 登录
├── 系统首页
│ └── 统计
├── 个人中心
├── 会员管理
├── 蛋糕分类管理
├── 蛋糕信息管理
├── 材料信息管理
├── 入库信息管理
├── 出库信息管理
├── 优惠券管理
├── 系统管理
│ ├── 公告资讯管理
│ ├── 公告资讯分类管理
│ ├── 在线客服管理
│ ├── 关于我们管理
│ └── 轮播图管理
└── 订单管理

系统MVC框架，请求流程展示：

3、功能截图

3.1 前台功能

3.2 后台功能

4、数据库表结构设计

--
-- Table structure for table `aboutus`
--DROP TABLE IF EXISTS `aboutus`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `aboutus` (`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',`addtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',`title` varchar(200) NOT NULL COMMENT '标题',`subtitle` varchar(200) DEFAULT NULL COMMENT '副标题',`content` longtext NOT NULL COMMENT '内容',`picture1` longtext COMMENT '图片1',`picture2` longtext COMMENT '图片2',`picture3` longtext COMMENT '图片3',PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8 COMMENT='关于我们';
/*!40101 SET character_set_client = @saved_cs_client */;--
-- Table structure for table `cart`
--DROP TABLE IF EXISTS `cart`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `cart` (`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',`addtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',`tablename` varchar(200) DEFAULT 'dangaoxinxi' COMMENT '商品表名',`userid` bigint(20) NOT NULL COMMENT '用户id',`goodid` bigint(20) NOT NULL COMMENT '商品id',`goodname` varchar(200) DEFAULT NULL COMMENT '商品名称',`picture` longtext COMMENT '图片',`buynumber` int(11) NOT NULL COMMENT '购买数量',`price` double DEFAULT NULL COMMENT '单价',`goodtype` varchar(200) DEFAULT NULL COMMENT '商品类型',PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8 COMMENT='购物车表';
/*!40101 SET character_set_client = @saved_cs_client */;--
-- Table structure for table `chat`
--DROP TABLE IF EXISTS `chat`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `chat` (`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',`addtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',`userid` bigint(20) NOT NULL COMMENT '用户id',`adminid` bigint(20) DEFAULT NULL COMMENT '管理员id',`ask` longtext COMMENT '提问',`reply` longtext COMMENT '回复',`isreply` int(11) DEFAULT NULL COMMENT '是否回复',PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=81 DEFAULT CHARSET=utf8 COMMENT='在线客服';
/*!40101 SET character_set_client = @saved_cs_client */;--
-- Table structure for table `config`
--DROP TABLE IF EXISTS `config`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `config` (`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',`name` varchar(100) NOT NULL COMMENT '配置参数名称',`value` varchar(100) DEFAULT NULL COMMENT '配置参数值',`url` varchar(500) DEFAULT NULL COMMENT 'url',PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8 COMMENT='配置文件';
/*!--
-- Table structure for table `dangaofenlei`
--DROP TABLE IF EXISTS `dangaofenlei`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `dangaofenlei` (`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',`addtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',`dangaofenlei` varchar(200) DEFAULT NULL COMMENT '蛋糕分类',`image` longtext COMMENT 'image',PRIMARY KEY (`id`),UNIQUE KEY `dangaofenlei` (`dangaofenlei`)
) ENGINE=InnoDB AUTO_INCREMENT=29 DEFAULT CHARSET=utf8 COMMENT='蛋糕分类';
/*!40101 SET character_set_client = @saved_cs_client */;--
-- Table structure for table `discussdangaoxinxi`
--DROP TABLE IF EXISTS `discussdangaoxinxi`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `discussdangaoxinxi` (`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',`addtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',`refid` bigint(20) NOT NULL COMMENT '关联表id',`userid` bigint(20) NOT NULL COMMENT '用户id',`avatarurl` longtext COMMENT '头像',`nickname` varchar(200) DEFAULT NULL COMMENT '用户名',`content` longtext NOT NULL COMMENT '评论内容',`reply` longtext COMMENT '回复内容',PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8 COMMENT='蛋糕信息评论表';
/*!40101 SET character_set_client = @saved_cs_client */;DROP TABLE IF EXISTS `huiyuan`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `huiyuan` (`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',`addtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',`yonghuming` varchar(200) NOT NULL COMMENT '用户名',`mima` varchar(200) NOT NULL COMMENT '密码',`xingming` varchar(200) NOT NULL COMMENT '姓名',`xingbie` varchar(200) DEFAULT NULL COMMENT '性别',`touxiang` longtext COMMENT '头像',`shouji` varchar(200) DEFAULT NULL COMMENT '手机',`money` double DEFAULT '0' COMMENT '余额',PRIMARY KEY (`id`),UNIQUE KEY `yonghuming` (`yonghuming`)
) ENGINE=InnoDB AUTO_INCREMENT=1713666145926 DEFAULT CHARSET=utf8 COMMENT='会员';
/*!40101 SET character_set_client = @saved_cs_client */;--
-- Table structure for table `news`
--DROP TABLE IF EXISTS `news`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `news` (`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',`addtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',`title` varchar(200) NOT NULL COMMENT '标题',`introduction` longtext COMMENT '简介',`typename` varchar(200) DEFAULT NULL COMMENT '分类名称',`name` varchar(200) DEFAULT NULL COMMENT '发布人',`headportrait` longtext COMMENT '头像',`clicknum` int(11) DEFAULT '0' COMMENT '点击次数',`clicktime` datetime DEFAULT NULL COMMENT '最近点击时间',`thumbsupnum` int(11) DEFAULT '0' COMMENT '赞',`crazilynum` int(11) DEFAULT '0' COMMENT '踩',`storeupnum` int(11) DEFAULT '0' COMMENT '收藏数',`picture` longtext NOT NULL COMMENT '图片',`content` longtext NOT NULL COMMENT '内容',PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=150 DEFAULT CHARSET=utf8 COMMENT='公告资讯';
/*!40101 SET character_set_client = @saved_cs_client */;--
-- Table structure for table `newstype`
--DROP TABLE IF EXISTS `newstype`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `newstype` (`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',`addtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',`typename` varchar(200) NOT NULL COMMENT '分类名称',PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=140 DEFAULT CHARSET=utf8 COMMENT='公告资讯分类';
/*!40101 SET character_set_client = @saved_cs_client */;DROP TABLE IF EXISTS `storeup`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `storeup` (`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',`addtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',`userid` bigint(20) NOT NULL COMMENT '用户id',`refid` bigint(20) DEFAULT NULL COMMENT '商品id',`tablename` varchar(200) DEFAULT NULL COMMENT '表名',`name` varchar(200) NOT NULL COMMENT '名称',`picture` longtext COMMENT '图片',`type` varchar(200) DEFAULT '1' COMMENT '类型',`inteltype` varchar(200) DEFAULT NULL COMMENT '推荐类型',`remark` varchar(200) DEFAULT NULL COMMENT '备注',PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8 COMMENT='收藏表';
/*!40101 SET character_set_client = @saved_cs_client */;DROP TABLE IF EXISTS `token`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `token` (`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',`userid` bigint(20) NOT NULL COMMENT '用户id',`username` varchar(100) NOT NULL COMMENT '用户名',`tablename` varchar(100) DEFAULT NULL COMMENT '表名',`role` varchar(100) DEFAULT NULL COMMENT '角色',`token` varchar(200) NOT NULL COMMENT '密码',`addtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '新增时间',`expiratedtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '过期时间',PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8 COMMENT='token表';
/*!40101 SET character_set_client = @saved_cs_client */;--
-- Table structure for table `users`
--DROP TABLE IF EXISTS `users`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;
/*!40101 SET character_set_client = utf8 */;
CREATE TABLE `users` (`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键',`username` varchar(100) NOT NULL COMMENT '用户名',`password` varchar(100) NOT NULL COMMENT '密码',`image` varchar(200) DEFAULT NULL COMMENT '头像',`role` varchar(100) DEFAULT '管理员' COMMENT '角色',`addtime` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '新增时间',PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8 COMMENT='用户表';
/*!40101 SET character_set_client = @saved_cs_client */;

5、关键代码

5.1 蛋糕信息Controller模块


package com.controller;import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Date;
import java.util.List;
import javax.servlet.http.HttpServletRequest;import com.utils.ValidatorUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.mapper.Wrapper;
import com.annotation.IgnoreAuth;
import com.entity.OrdersEntity;
import com.service.OrdersService;
import com.utils.UserBasedCollaborativeFiltering;import com.entity.DangaoxinxiEntity;
import com.entity.view.DangaoxinxiView;import com.service.DangaoxinxiService;
import com.service.TokenService;
import com.utils.PageUtils;
import com.utils.R;
import com.utils.MPUtil;
import com.utils.MapUtils;
import com.utils.CommonUtil;
import java.io.IOException;
import com.service.StoreupService;
import com.entity.StoreupEntity;/*** 蛋糕信息* 后端接口* @author * @email */
@RestController
@RequestMapping("/dangaoxinxi")
public class DangaoxinxiController {@Autowiredprivate DangaoxinxiService dangaoxinxiService;@Autowiredprivate StoreupService storeupService;@Autowiredprivate OrdersService ordersService;/*** 后台列表*/@RequestMapping("/page")public R page(@RequestParam Map<String, Object> params,DangaoxinxiEntity dangaoxinxi,@RequestParam(required = false) Double pricestart,@RequestParam(required = false) Double priceend,HttpServletRequest request){EntityWrapper<DangaoxinxiEntity> ew = new EntityWrapper<DangaoxinxiEntity>();if(pricestart!=null) ew.ge("price", pricestart);if(priceend!=null) ew.le("price", priceend);PageUtils page = dangaoxinxiService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, dangaoxinxi), params), params));return R.ok().put("data", page);}/*** 前台列表*/@IgnoreAuth@RequestMapping("/list")public R list(@RequestParam Map<String, Object> params,DangaoxinxiEntity dangaoxinxi, @RequestParam(required = false) Double pricestart,@RequestParam(required = false) Double priceend,HttpServletRequest request){EntityWrapper<DangaoxinxiEntity> ew = new EntityWrapper<DangaoxinxiEntity>();if(pricestart!=null) ew.ge("price", pricestart);if(priceend!=null) ew.le("price", priceend);PageUtils page = dangaoxinxiService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, dangaoxinxi), params), params));return R.ok().put("data", page);}/*** 列表*/@RequestMapping("/lists")public R list( DangaoxinxiEntity dangaoxinxi){EntityWrapper<DangaoxinxiEntity> ew = new EntityWrapper<DangaoxinxiEntity>();ew.allEq(MPUtil.allEQMapPre( dangaoxinxi, "dangaoxinxi")); return R.ok().put("data", dangaoxinxiService.selectListView(ew));}/*** 查询*/@RequestMapping("/query")public R query(DangaoxinxiEntity dangaoxinxi){EntityWrapper< DangaoxinxiEntity> ew = new EntityWrapper< DangaoxinxiEntity>();ew.allEq(MPUtil.allEQMapPre( dangaoxinxi, "dangaoxinxi")); DangaoxinxiView dangaoxinxiView =  dangaoxinxiService.selectView(ew);return R.ok("查询蛋糕信息成功").put("data", dangaoxinxiView);}/*** 后台详情*/@RequestMapping("/info/{id}")public R info(@PathVariable("id") Long id){DangaoxinxiEntity dangaoxinxi = dangaoxinxiService.selectById(id);dangaoxinxi.setClicknum(dangaoxinxi.getClicknum()+1);dangaoxinxiService.updateById(dangaoxinxi);dangaoxinxi = dangaoxinxiService.selectView(new EntityWrapper<DangaoxinxiEntity>().eq("id", id));return R.ok().put("data", dangaoxinxi);}/*** 前台详情*/@IgnoreAuth@RequestMapping("/detail/{id}")public R detail(@PathVariable("id") Long id){DangaoxinxiEntity dangaoxinxi = dangaoxinxiService.selectById(id);dangaoxinxi.setClicknum(dangaoxinxi.getClicknum()+1);dangaoxinxiService.updateById(dangaoxinxi);dangaoxinxi = dangaoxinxiService.selectView(new EntityWrapper<DangaoxinxiEntity>().eq("id", id));return R.ok().put("data", dangaoxinxi);}/*** 赞或踩*/@RequestMapping("/thumbsup/{id}")public R vote(@PathVariable("id") String id,String type){DangaoxinxiEntity dangaoxinxi = dangaoxinxiService.selectById(id);if(type.equals("1")) {dangaoxinxi.setThumbsupnum(dangaoxinxi.getThumbsupnum()+1);} else {dangaoxinxi.setCrazilynum(dangaoxinxi.getCrazilynum()+1);}dangaoxinxiService.updateById(dangaoxinxi);return R.ok("投票成功");}/*** 后台保存*/@RequestMapping("/save")public R save(@RequestBody DangaoxinxiEntity dangaoxinxi, HttpServletRequest request){//ValidatorUtils.validateEntity(dangaoxinxi);dangaoxinxiService.insert(dangaoxinxi);return R.ok();}/*** 前台保存*/@RequestMapping("/add")public R add(@RequestBody DangaoxinxiEntity dangaoxinxi, HttpServletRequest request){//ValidatorUtils.validateEntity(dangaoxinxi);dangaoxinxiService.insert(dangaoxinxi);return R.ok();}/*** 修改*/@RequestMapping("/update")@Transactionalpublic R update(@RequestBody DangaoxinxiEntity dangaoxinxi, HttpServletRequest request){//ValidatorUtils.validateEntity(dangaoxinxi);dangaoxinxiService.updateById(dangaoxinxi);//全部更新return R.ok();}/*** 删除*/@RequestMapping("/delete")public R delete(@RequestBody Long[] ids){dangaoxinxiService.deleteBatchIds(Arrays.asList(ids));return R.ok();}/*** 前台智能排序*/@IgnoreAuth@RequestMapping("/autoSort")public R autoSort(@RequestParam Map<String, Object> params,DangaoxinxiEntity dangaoxinxi, HttpServletRequest request,String pre){EntityWrapper<DangaoxinxiEntity> ew = new EntityWrapper<DangaoxinxiEntity>();Map<String, Object> newMap = new HashMap<String, Object>();Map<String, Object> param = new HashMap<String, Object>();Iterator<Map.Entry<String, Object>> it = param.entrySet().iterator();while (it.hasNext()) {Map.Entry<String, Object> entry = it.next();String key = entry.getKey();String newKey = entry.getKey();if (pre.endsWith(".")) {newMap.put(pre + newKey, entry.getValue());} else if (StringUtils.isEmpty(pre)) {newMap.put(newKey, entry.getValue());} else {newMap.put(pre + "." + newKey, entry.getValue());}}params.put("sort", "clicknum");params.put("order", "desc");PageUtils page = dangaoxinxiService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, dangaoxinxi), params), params));return R.ok().put("data", page);}/*** 协同算法（基于用户的协同算法）*/@RequestMapping("/autoSort2")public R autoSort2(@RequestParam Map<String, Object> params,DangaoxinxiEntity dangaoxinxi, HttpServletRequest request){String userId = request.getSession().getAttribute("userId").toString();Integer limit = params.get("limit")==null?10:Integer.parseInt(params.get("limit").toString());List<OrdersEntity> orders = ordersService.selectList(new EntityWrapper<OrdersEntity>());Map<String, Map<String, Double>> ratings = new HashMap<>();if(orders!=null && orders.size()>0) {for(OrdersEntity o : orders) {Map<String, Double> userRatings = null;if(ratings.containsKey(o.getUserid().toString())) {userRatings = ratings.get(o.getUserid().toString());} else {userRatings = new HashMap<>();ratings.put(o.getUserid().toString(), userRatings);}if(userRatings.containsKey(o.getGoodid().toString())) {userRatings.put(o.getGoodid().toString(), userRatings.get(o.getGoodid().toString())+1.0);} else {userRatings.put(o.getGoodid().toString(), 1.0);}}}// 创建协同过滤对象UserBasedCollaborativeFiltering filter = new UserBasedCollaborativeFiltering(ratings);// 为指定用户推荐物品String targetUser = userId;int numRecommendations = limit;List<String> recommendations = filter.recommendItems(targetUser, numRecommendations);// 输出推荐结果System.out.println("Recommendations for " + targetUser + ":");for (String item : recommendations) {System.out.println(item);}EntityWrapper<DangaoxinxiEntity> ew = new EntityWrapper<DangaoxinxiEntity>();ew.in("id", recommendations);if(recommendations!=null && recommendations.size()>0) {ew.last("order by FIELD(id, "+String.join(",", recommendations)+")");}PageUtils page = dangaoxinxiService.queryPage(params, ew);List<DangaoxinxiEntity> pageList = (List<DangaoxinxiEntity>)page.getList();if(pageList.size()<limit) {int toAddNum = limit-pageList.size();ew = new EntityWrapper<DangaoxinxiEntity>();ew.notIn("id", recommendations);ew.orderBy("id", false);ew.last("limit "+toAddNum);pageList.addAll(dangaoxinxiService.selectList(ew));} else if(pageList.size()>limit) {pageList = pageList.subList(0, limit);}page.setList(pageList);return R.ok().put("data", page);}/*** （按值统计）*/@RequestMapping("/value/{xColumnName}/{yColumnName}")public R value(@PathVariable("yColumnName") String yColumnName, @PathVariable("xColumnName") String xColumnName,HttpServletRequest request) {Map<String, Object> params = new HashMap<String, Object>();params.put("xColumn", xColumnName);params.put("yColumn", yColumnName);EntityWrapper<DangaoxinxiEntity> ew = new EntityWrapper<DangaoxinxiEntity>();List<Map<String, Object>> result = dangaoxinxiService.selectValue(params, ew);SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");for(Map<String, Object> m : result) {for(String k : m.keySet()) {if(m.get(k) instanceof Date) {m.put(k, sdf.format((Date)m.get(k)));}}}return R.ok().put("data", result);}/*** （按值统计(多)）*/@RequestMapping("/valueMul/{xColumnName}")public R valueMul(@PathVariable("xColumnName") String xColumnName,@RequestParam String yColumnNameMul, HttpServletRequest request) {String[] yColumnNames = yColumnNameMul.split(",");Map<String, Object> params = new HashMap<String, Object>();params.put("xColumn", xColumnName);List<List<Map<String, Object>>> result2 = new ArrayList<List<Map<String,Object>>>();SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");EntityWrapper<DangaoxinxiEntity> ew = new EntityWrapper<DangaoxinxiEntity>();for(int i=0;i<yColumnNames.length;i++) {params.put("yColumn", yColumnNames[i]);List<Map<String, Object>> result = dangaoxinxiService.selectValue(params, ew);for(Map<String, Object> m : result) {for(String k : m.keySet()) {if(m.get(k) instanceof Date) {m.put(k, sdf.format((Date)m.get(k)));}}}result2.add(result);}return R.ok().put("data", result2);}/*** （按值统计）时间统计类型*/@RequestMapping("/value/{xColumnName}/{yColumnName}/{timeStatType}")public R valueDay(@PathVariable("yColumnName") String yColumnName, @PathVariable("xColumnName") String xColumnName, @PathVariable("timeStatType") String timeStatType,HttpServletRequest request) {Map<String, Object> params = new HashMap<String, Object>();params.put("xColumn", xColumnName);params.put("yColumn", yColumnName);params.put("timeStatType", timeStatType);EntityWrapper<DangaoxinxiEntity> ew = new EntityWrapper<DangaoxinxiEntity>();List<Map<String, Object>> result = dangaoxinxiService.selectTimeStatValue(params, ew);SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");for(Map<String, Object> m : result) {for(String k : m.keySet()) {if(m.get(k) instanceof Date) {m.put(k, sdf.format((Date)m.get(k)));}}}return R.ok().put("data", result);}/*** （按值统计）时间统计类型(多)*/@RequestMapping("/valueMul/{xColumnName}/{timeStatType}")public R valueMulDay(@PathVariable("xColumnName") String xColumnName, @PathVariable("timeStatType") String timeStatType,@RequestParam String yColumnNameMul,HttpServletRequest request) {String[] yColumnNames = yColumnNameMul.split(",");Map<String, Object> params = new HashMap<String, Object>();params.put("xColumn", xColumnName);params.put("timeStatType", timeStatType);List<List<Map<String, Object>>> result2 = new ArrayList<List<Map<String,Object>>>();SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");EntityWrapper<DangaoxinxiEntity> ew = new EntityWrapper<DangaoxinxiEntity>();for(int i=0;i<yColumnNames.length;i++) {params.put("yColumn", yColumnNames[i]);List<Map<String, Object>> result = dangaoxinxiService.selectTimeStatValue(params, ew);for(Map<String, Object> m : result) {for(String k : m.keySet()) {if(m.get(k) instanceof Date) {m.put(k, sdf.format((Date)m.get(k)));}}}result2.add(result);}return R.ok().put("data", result2);}/*** 分组统计*/@RequestMapping("/group/{columnName}")public R group(@PathVariable("columnName") String columnName,HttpServletRequest request) {Map<String, Object> params = new HashMap<String, Object>();params.put("column", columnName);EntityWrapper<DangaoxinxiEntity> ew = new EntityWrapper<DangaoxinxiEntity>();List<Map<String, Object>> result = dangaoxinxiService.selectGroup(params, ew);SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");for(Map<String, Object> m : result) {for(String k : m.keySet()) {if(m.get(k) instanceof Date) {m.put(k, sdf.format((Date)m.get(k)));}}}return R.ok().put("data", result);}/*** 总数量*/@RequestMapping("/count")public R count(@RequestParam Map<String, Object> params,DangaoxinxiEntity dangaoxinxi, HttpServletRequest request){EntityWrapper<DangaoxinxiEntity> ew = new EntityWrapper<DangaoxinxiEntity>();int count = dangaoxinxiService.selectCount(MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, dangaoxinxi), params), params));return R.ok().put("data", count);}}

5.2 蛋糕信息Service模块

 package com.service;import com.baomidou.mybatisplus.mapper.Wrapper;
import com.baomidou.mybatisplus.service.IService;
import com.utils.PageUtils;
import com.entity.DangaoxinxiEntity;
import java.util.List;
import java.util.Map;
import com.entity.vo.DangaoxinxiVO;
import org.apache.ibatis.annotations.Param;
import com.entity.view.DangaoxinxiView;/*** 蛋糕信息** @author * @email */
public interface DangaoxinxiService extends IService<DangaoxinxiEntity> {PageUtils queryPage(Map<String, Object> params);List<DangaoxinxiVO> selectListVO(Wrapper<DangaoxinxiEntity> wrapper);DangaoxinxiVO selectVO(@Param("ew") Wrapper<DangaoxinxiEntity> wrapper);List<DangaoxinxiView> selectListView(Wrapper<DangaoxinxiEntity> wrapper);DangaoxinxiView selectView(@Param("ew") Wrapper<DangaoxinxiEntity> wrapper);PageUtils queryPage(Map<String, Object> params,Wrapper<DangaoxinxiEntity> wrapper);List<Map<String, Object>> selectValue(Map<String, Object> params,Wrapper<DangaoxinxiEntity> wrapper);List<Map<String, Object>> selectTimeStatValue(Map<String, Object> params,Wrapper<DangaoxinxiEntity> wrapper);List<Map<String, Object>> selectGroup(Map<String, Object> params,Wrapper<DangaoxinxiEntity> wrapper);}

5.3 蛋糕信息ServiceImpl模块


package com.service.impl;import org.springframework.stereotype.Service;
import java.util.Map;
import java.util.List;import com.baomidou.mybatisplus.mapper.Wrapper;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.plugins.Page;
import com.baomidou.mybatisplus.service.impl.ServiceImpl;
import com.utils.PageUtils;
import com.utils.Query;import com.dao.DangaoxinxiDao;
import com.entity.DangaoxinxiEntity;
import com.service.DangaoxinxiService;
import com.entity.vo.DangaoxinxiVO;
import com.entity.view.DangaoxinxiView;@Service("dangaoxinxiService")
public class DangaoxinxiServiceImpl extends ServiceImpl<DangaoxinxiDao, DangaoxinxiEntity> implements DangaoxinxiService {@Overridepublic PageUtils queryPage(Map<String, Object> params) {Page<DangaoxinxiEntity> page = this.selectPage(new Query<DangaoxinxiEntity>(params).getPage(),new EntityWrapper<DangaoxinxiEntity>());return new PageUtils(page);}@Overridepublic PageUtils queryPage(Map<String, Object> params, Wrapper<DangaoxinxiEntity> wrapper) {Page<DangaoxinxiView> page =new Query<DangaoxinxiView>(params).getPage();page.setRecords(baseMapper.selectListView(page,wrapper));PageUtils pageUtil = new PageUtils(page);return pageUtil;}@Overridepublic List<DangaoxinxiVO> selectListVO(Wrapper<DangaoxinxiEntity> wrapper) {return baseMapper.selectListVO(wrapper);}@Overridepublic DangaoxinxiVO selectVO(Wrapper<DangaoxinxiEntity> wrapper) {return baseMapper.selectVO(wrapper);}@Overridepublic List<DangaoxinxiView> selectListView(Wrapper<DangaoxinxiEntity> wrapper) {return baseMapper.selectListView(wrapper);}@Overridepublic DangaoxinxiView selectView(Wrapper<DangaoxinxiEntity> wrapper) {return baseMapper.selectView(wrapper);}@Overridepublic List<Map<String, Object>> selectValue(Map<String, Object> params, Wrapper<DangaoxinxiEntity> wrapper) {return baseMapper.selectValue(params, wrapper);}@Overridepublic List<Map<String, Object>> selectTimeStatValue(Map<String, Object> params, Wrapper<DangaoxinxiEntity> wrapper) {return baseMapper.selectTimeStatValue(params, wrapper);}@Overridepublic List<Map<String, Object>> selectGroup(Map<String, Object> params, Wrapper<DangaoxinxiEntity> wrapper) {return baseMapper.selectGroup(params, wrapper);}}

5.4 蛋糕信息Dao模块


package com.dao;import com.entity.DangaoxinxiEntity;
import com.baomidou.mybatisplus.mapper.BaseMapper;
import java.util.List;
import java.util.Map;
import com.baomidou.mybatisplus.mapper.Wrapper;
import com.baomidou.mybatisplus.plugins.pagination.Pagination;import org.apache.ibatis.annotations.Param;
import com.entity.vo.DangaoxinxiVO;
import com.entity.view.DangaoxinxiView;/*** 蛋糕信息* * @author * @email */
public interface DangaoxinxiDao extends BaseMapper<DangaoxinxiEntity> {List<DangaoxinxiVO> selectListVO(@Param("ew") Wrapper<DangaoxinxiEntity> wrapper);DangaoxinxiVO selectVO(@Param("ew") Wrapper<DangaoxinxiEntity> wrapper);List<DangaoxinxiView> selectListView(@Param("ew") Wrapper<DangaoxinxiEntity> wrapper);List<DangaoxinxiView> selectListView(Pagination page,@Param("ew") Wrapper<DangaoxinxiEntity> wrapper);DangaoxinxiView selectView(@Param("ew") Wrapper<DangaoxinxiEntity> wrapper);List<Map<String, Object>> selectValue(@Param("params") Map<String, Object> params,@Param("ew") Wrapper<DangaoxinxiEntity> wrapper);List<Map<String, Object>> selectTimeStatValue(@Param("params") Map<String, Object> params,@Param("ew") Wrapper<DangaoxinxiEntity> wrapper);List<Map<String, Object>> selectGroup(@Param("params") Map<String, Object> params,@Param("ew") Wrapper<DangaoxinxiEntity> wrapper);}

6、论文目录结构

摘要... I

Abstract... II

1 绪论... 1
1.1 项目简介... 1
1.2 调查研究... 1
1.2.1 研究背景及意义... 1
1.2.2 国内外研究现状... 2
1.2.3 研究主要内容... 2
1.3 论文的章节安排... 3

2 系统相关技术介绍... 4
2.1 Java语言... 4
2.2 SpringBoot框架... 4
2.3 Vue框架... 4
2.4 MySQL数据库... 4

3 系统需求分析... 6
3.1 可行性分析... 6
3.1.1 技术可行性... 6
3.1.2 经济可行性... 6
3.1.3 操作可行性... 6
3.2 系统功能需求... 6
3.2.1 用户端功能需求... 6
3.2.2 XX端功能需求... 6
3.2.3 管理员端功能需求... 6
3.3 系统性能需求... 6

4 系统总体设计... 7
4.1 系统总体架构设计... 7
4.2 系统的功能设计... 7
4.3 数据库设计... 7
4.3.1 概念设计E-R图... 7
4.3.2 逻辑设计关系模式... 7
4.3.3 数据库物理设计... 7

5 系统详细实现... 14
5.1 系统实现环境... 14
5.2 用户端... 14
5.2.1 登录页面... 14
5.2.2 注册页面... 14
5.2.3 XXXX页面... 14
5.2.4 XXXX页面... 14
5.2.5 XXXX页面... 14
5.3 XXXX端... 15
5.3.1 XXXX页面... 15
5.3.2 XXXX页面... 15
5.3.3 XXXX页面... 15
5.3.4 XXXX页面... 15
5.4 管理端... 15
5.4.1 用户管理页面... 15
5.4.2 XXXX页面... 15
5.4.3 XXXX页面... 16
5.4.4 XXXX页面... 16

6 系统测试... 16
6.1 测试目的... 16
6.2 测试方法... 16
6.3 测试用例... 16
6.3.1 XXXX测试... 16
6.3.2 XXXX测试... 16
6.4 测试结果... 16

结论... 17

参考文献... 18

致谢... 19

更多源码：

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7、源码获取

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→下方联系方式获取源码←

1、项目介绍及开发技术

1.1 项目介绍

1.2 开发技术

2、系统功能设计结构图

3、功能截图

3.1 前台功能

3.2 后台功能

4、数据库表结构设计

5、关键代码

5.1 蛋糕信息Controller模块

5.2 蛋糕信息Service模块

5.3 蛋糕信息ServiceImpl模块

5.4 蛋糕信息Dao模块

6、论文目录结构

7、源码获取

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