博主主页：猫头鹰源码

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项目介绍： 

该系统基于springboot技术，数据层为MyBatis，mysql数据库，页面采用html，具有完整的业务逻辑，适合选题：springboot、校园、二手、校园二手、需求市场、供需市场、二手网站等。

系统包含技术：

后端：springboot、mybatis
前端：layui,js,css等，html页面
开发工具：idea
数据库：mysql 5.7
JDK版本：jdk1.8

部分截图说明：

下面是首页

登录页面

商品详情

我想要

我想要的商品

商品收藏

个人信息

发布商品

部分代码：

@ResponseBody
    @RequestMapping(value = {"/need/fav/del"})
    public JsonReturn needfavdel(Long favId, Model model){
        int status = smService.needfavdel(favId);
        if (status <=0 ) return JsonReturn.fail(CommonStatus.FAULT);
        return JsonReturn.success();
    }

    @ResponseBody
    @RequestMapping(value = {"/need/fav"})
    public JsonReturn sm(XyzNeedFav needFav, Model model){
        int status = smService.insertFav(needFav);
        if (status <=0 ) return JsonReturn.fail(CommonStatus.FAULT);
        return JsonReturn.success();
    }

    @RequestMapping(value = {"/{needId}"})
    public String sm(@PathVariable Long needId,Model model){
        XyzNeed need = smService.findNeedById(needId);
        model.addAttribute("need",need);
        return "/sm/detail";
    }

    @RequestMapping(value = {"/work"})
    public String work(Model model){
        List<XyzNeed> list = smService.findNeedByType(2);
        model.addAttribute("list",list);
        return "/sm/work";
    }

    @RequestMapping(value = {"/multiple"})
    public String multiple(Model model){
        List<XyzNeed> list = smService.findNeedByType(3);
        model.addAttribute("list",list);
        return "/sm/multiple";
    }

    @RequestMapping(value = {"/single"})
    public String single(Model model){
        List<XyzNeed> list = smService.findNeedByType(1);
        model.addAttribute("list",list);
        return "/sm/single";
    }

    @RequestMapping(value = {"","/index"})
    public String smIndex(Model model){
        /*轮播图 */
        List<XyzContent> listSMLUNBOTU = indexService.findContentByCID(SMLUNBOTU);
        model.addAttribute("listSMLUNBOTU",listSMLUNBOTU);
        log.info(listSMLUNBOTU.toString());
        /*单人 */
        List<XyzContent> listXUQIU = indexService.findContentByCID(XUQIU);
        List<XyzNeed> needXUQIU = new ArrayList<>();
        for (XyzContent content:listXUQIU) {
            XyzNeed need = smService.findNeedById(Long.valueOf(content.getTitle()));
            needXUQIU.add(need);
        }
        model.addAttribute("needXUQIU",needXUQIU);
        model.addAttribute("listXUQIU",listXUQIU);
        /*work */
        List<XyzContent> listJIANZHI = indexService.findContentByCID(JIANZHI);
        List<XyzNeed> needJIANZHI = new ArrayList<>();
        for (XyzContent content:listJIANZHI) {
            XyzNeed need = smService.findNeedById(Long.valueOf(content.getTitle()));
            needJIANZHI.add(need);
        }
        model.addAttribute("needJIANZHI",needJIANZHI);
        model.addAttribute("listJIANZHI",listJIANZHI);
        /*众包 */
        List<XyzContent> listZHONGBAO = indexService.findContentByCID(ZHONGBAO);
        List<XyzNeed> needZHONGBAO = new ArrayList<>();
        for (XyzContent content:listZHONGBAO) {
            XyzNeed need = smService.findNeedById(Long.valueOf(content.getTitle()));
            needZHONGBAO.add(need);
        }
        model.addAttribute("needZHONGBAO",needZHONGBAO);
        model.addAttribute("listZHONGBAO",listZHONGBAO);
        return "/sm/index";
    }

    @RequestMapping("/publish")
    public String publish(){

        return "/sm/publish";
    }

    @RequestMapping("/search")
    public String search(@RequestParam(defaultValue = "")String param, Model model){
        List<XyzNeed> list = smService.search(param);
        log.info(list.toString());
        List<XyzNeed> list1 = new ArrayList<>();
        List<XyzNeed> list2 = new ArrayList<>();
        List<XyzNeed> list3 = new ArrayList<>();
        for (XyzNeed need: list) {
            if (need.getXyzType() == 1) list1.add(need);
            if (need.getXyzType() == 2) list2.add(need);
            if (need.getXyzType() == 3) list3.add(need);
        }
        model.addAttribute("needList1",list1);
        model.addAttribute("needList2",list2);
        model.addAttribute("needList3",list3);
        return "/sm/search";
    }

以上就是部分功能展示，从整体上来看，本系统功能是十分完整的，界面设计简洁大方，交互友好，数据库设计也很合理，规模适中，代码工整，清晰，适合学习使用。

好了，今天就到这儿吧，小伙伴们点赞、收藏、评论，一键三连走起呀，下期见~~