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wordpress分页设置问题,潍坊网站优化公司哪家好,公众号seo排名优化,承德网络推广背景 本课题聚焦在校师生个性化校园美食获取的需求#xff0c;设计开发基于k-means算法的校园美食推荐系统。项目以Java为开发语言#xff0c;采用SpringBoot框架搭建核心架构#xff0c;搭配MySQL实现用户信息、校园美食数据#xff08;菜品、商家、口味、价格等#xff…背景本课题聚焦在校师生个性化校园美食获取的需求设计开发基于k-means算法的校园美食推荐系统。项目以Java为开发语言采用SpringBoot框架搭建核心架构搭配MySQL实现用户信息、校园美食数据菜品、商家、口味、价格等、用户饮食偏好记录、评价数据等的持久化存储结合Redis优化热门美食缓存、用户偏好数据缓存等高频操作性能引入k-means算法对用户偏好与美食特征进行聚类分析前端采用Vue等主流框架构建简洁易用的交互界面形成“SpringBoot后端支撑k-means聚类分析前端可视化交互”的全栈解决方案。核心功能涵盖用户注册登录与身份认证、校园美食分类展示与精准检索按口味、价格、菜系等、基于k-means算法的个性化美食推荐、美食评价与收藏、个人饮食记录查询、商家信息管理与菜品更新、推荐模型效果优化等通过Spring Security保障用户信息安全依托MinIO实现美食图片、商家资质等资源的高效存储。课题旨在解决传统校园美食推荐精准度低、未充分适配师生个性化偏好等问题为在校师生提供一站式校园美食发现与选择服务助力校园周边商家精准触达目标用户兼具显著的实用价值与校园服务意义可有效推动校园美食服务的智能化、个性化发展。前言博主介绍✌全网粉丝30W,csdn特邀作者、博客专家、CSDN新星计划导师、Java领域优质创作者,博客之星、掘金/华为云/阿里云/InfoQ等平台优质作者、专注于Java技术领域和学生毕业项目实战,高校老师/讲师/同行交流合作✌主要内容SpringBoot、Vue、SSM、HLMT、Jsp、PHP、Nodejs、Python、爬虫、数据可视化、小程序、安卓app、大数据、物联网、机器学习等设计与开发。文末获取源码联系精彩专栏 推荐订阅2025-2026年最值得选的微信小程序毕业设计选题大全100个热门选题推荐✅2025-2026年最值得选的Java毕业设计选题大全500个热门选题推荐✅Java毕业设计项目精品实战案例《3000套》微信小程序毕业设计项目精品案例《3000套》文末获取源码数据库系统截图开发技术介绍Java项目Java项目前端Vue后端java的ssmspringboot框架数据库mysql前后端分离。Python项目Java项目前端Vue后端Python的flaskDjango框架数据库mysql前后端分离。核心代码packagecom.controller;importjava.text.SimpleDateFormat;importjava.util.ArrayList;importjava.util.Arrays;importjava.util.Calendar;importjava.util.Map;importjava.util.HashMap;importjava.util.Iterator;importjava.util.Date;importjava.util.List;importjavax.servlet.http.HttpServletRequest;importcom.utils.ValidatorUtils;importorg.apache.commons.lang3.StringUtils;importorg.springframework.beans.factory.annotation.Autowired;importorg.springframework.format.annotation.DateTimeFormat;importorg.springframework.web.bind.annotation.PathVariable;importorg.springframework.web.bind.annotation.RequestBody;importorg.springframework.web.bind.annotation.RequestMapping;importorg.springframework.web.bind.annotation.RequestParam;importorg.springframework.web.bind.annotation.RestController;importcom.baomidou.mybatisplus.mapper.EntityWrapper;importcom.baomidou.mybatisplus.mapper.Wrapper;importcom.annotation.IgnoreAuth;importcom.entity.ChatEntity;importcom.entity.view.ChatView;importcom.service.ChatService;importcom.service.TokenService;importcom.utils.PageUtils;importcom.utils.R;importcom.utils.MD5Util;importcom.utils.MPUtil;importcom.utils.CommonUtil;/** * 在线客服 * 后端接口 * author * email * date 2021-03-13 12:49:51 */RestControllerRequestMapping(/chat)publicclassChatController{AutowiredprivateChatServicechatService;/** * 后端列表 */RequestMapping(/page)publicRpage(RequestParamMapString,Objectparams,ChatEntitychat,HttpServletRequestrequest){if(!request.getSession().getAttribute(role).toString().equals(管理员)){chat.setUserid((Long)request.getSession().getAttribute(userId));}EntityWrapperChatEntityewnewEntityWrapperChatEntity();PageUtilspagechatService.queryPage(params,MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew,chat),params),params));returnR.ok().put(data,page);}/** * 前端列表 */RequestMapping(/list)publicRlist(RequestParamMapString,Objectparams,ChatEntitychat,HttpServletRequestrequest){if(!request.getSession().getAttribute(role).toString().equals(管理员)){chat.setUserid((Long)request.getSession().getAttribute(userId));}EntityWrapperChatEntityewnewEntityWrapperChatEntity();PageUtilspagechatService.queryPage(params,MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew,chat),params),params));returnR.ok().put(data,page);}/** * 列表 */RequestMapping(/lists)publicRlist(ChatEntitychat){EntityWrapperChatEntityewnewEntityWrapperChatEntity();ew.allEq(MPUtil.allEQMapPre(chat,chat));returnR.ok().put(data,chatService.selectListView(ew));}/** * 查询 */RequestMapping(/query)publicRquery(ChatEntitychat){EntityWrapperChatEntityewnewEntityWrapperChatEntity();ew.allEq(MPUtil.allEQMapPre(chat,chat));ChatViewchatViewchatService.selectView(ew);returnR.ok(查询在线客服成功).put(data,chatView);}/** * 后端详情 */RequestMapping(/info/{id})publicRinfo(PathVariable(id)Longid){ChatEntitychatchatService.selectById(id);returnR.ok().put(data,chat);}/** * 前端详情 */RequestMapping(/detail/{id})publicRdetail(PathVariable(id)Longid){ChatEntitychatchatService.selectById(id);returnR.ok().put(data,chat);}/** * 后端保存 */RequestMapping(/save)publicRsave(RequestBodyChatEntitychat,HttpServletRequestrequest){chat.setId(newDate().getTime()newDouble(Math.floor(Math.random()*1000)).longValue());//ValidatorUtils.validateEntity(chat);if(StringUtils.isNotBlank(chat.getAsk())){chatService.updateForSet(isreply0,newEntityWrapperChatEntity().eq(userid,request.getSession().getAttribute(userId)));chat.setUserid((Long)request.getSession().getAttribute(userId));chat.setIsreply(1);}if(StringUtils.isNotBlank(chat.getReply())){chatService.updateForSet(isreply0,newEntityWrapperChatEntity().eq(userid,chat.getUserid()));chat.setAdminid((Long)request.getSession().getAttribute(userId));}chatService.insert(chat);returnR.ok();}/** * 前端保存 */RequestMapping(/add)publicRadd(RequestBodyChatEntitychat,HttpServletRequestrequest){chat.setId(newDate().getTime()newDouble(Math.floor(Math.random()*1000)).longValue());//ValidatorUtils.validateEntity(chat);chat.setUserid((Long)request.getSession().getAttribute(userId));if(StringUtils.isNotBlank(chat.getAsk())){chatService.updateForSet(isreply0,newEntityWrapperChatEntity().eq(userid,request.getSession().getAttribute(userId)));chat.setUserid((Long)request.getSession().getAttribute(userId));chat.setIsreply(1);}if(StringUtils.isNotBlank(chat.getReply())){chatService.updateForSet(isreply0,newEntityWrapperChatEntity().eq(userid,chat.getUserid()));chat.setAdminid((Long)request.getSession().getAttribute(userId));}chatService.insert(chat);returnR.ok();}/** * 修改 */RequestMapping(/update)publicRupdate(RequestBodyChatEntitychat,HttpServletRequestrequest){//ValidatorUtils.validateEntity(chat);chatService.updateById(chat);//全部更新returnR.ok();}/** * 删除 */RequestMapping(/delete)publicRdelete(RequestBodyLong[]ids){chatService.deleteBatchIds(Arrays.asList(ids));returnR.ok();}/** * 提醒接口 */RequestMapping(/remind/{columnName}/{type})publicRremindCount(PathVariable(columnName)StringcolumnName,HttpServletRequestrequest,PathVariable(type)Stringtype,RequestParamMapString,Objectmap){map.put(column,columnName);map.put(type,type);if(type.equals(2)){SimpleDateFormatsdfnewSimpleDateFormat(yyyy-MM-dd);CalendarcCalendar.getInstance();DateremindStartDatenull;DateremindEndDatenull;if(map.get(remindstart)!null){IntegerremindStartInteger.parseInt(map.get(remindstart).toString());c.setTime(newDate());c.add(Calendar.DAY_OF_MONTH,remindStart);remindStartDatec.getTime();map.put(remindstart,sdf.format(remindStartDate));}if(map.get(remindend)!null){IntegerremindEndInteger.parseInt(map.get(remindend).toString());c.setTime(newDate());c.add(Calendar.DAY_OF_MONTH,remindEnd);remindEndDatec.getTime();map.put(remindend,sdf.format(remindEndDate));}}WrapperChatEntitywrappernewEntityWrapperChatEntity();if(map.get(remindstart)!null){wrapper.ge(columnName,map.get(remindstart));}if(map.get(remindend)!null){wrapper.le(columnName,map.get(remindend));}intcountchatService.selectCount(wrapper);returnR.ok().put(count,count);}}源码获取文章下方名片联系我即可~✌大家点赞、收藏、关注、评论啦 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