【SSM分布式架构电商项目-11】后台系统开发接口返回商品类目数据

news/2024/12/2 21:29:06/

功能

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构造数据

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"/products/629.html|复读机", "/products/630.html|点读机/笔", "/products/631.html|学生平板", "/products/632.html|早教机"]}]}, {"u": "/products/633.html","n": "<a href='/products/633.html'>家居家装</a>","i": [{"u": "/products/634.html","n": "家纺","i": ["/products/635.html|床品套件", "/products/636.html|被子", "/products/637.html|枕芯", "/products/638.html|床单被罩", "/products/639.html|毯子", "/products/640.html|床垫/床褥", "/products/641.html|蚊帐", "/products/642.html|抱枕靠垫", "/products/643.html|毛巾浴巾", "/products/644.html|电热毯", "/products/645.html|窗帘/窗纱", "/products/646.html|布艺软饰", "/products/647.html|凉席"]}, {"u": "/products/648.html","n": "灯具","i": ["/products/649.html|台灯", "/products/650.html|节能灯", "/products/651.html|装饰灯", "/products/652.html|落地灯", "/products/653.html|应急灯/手电", "/products/654.html|LED灯", "/products/655.html|吸顶灯", "/products/656.html|五金电器", "/products/657.html|筒灯射灯", "/products/658.html|吊灯", "/products/659.html|氛围照明"]}, {"u": "/products/660.html","n": "生活日用","i": ["/products/661.html|收纳用品", 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"/products/696.html|宠物玩具", "/products/697.html|出行装备", "/products/698.html|洗护美容"]}]}, {"u": "/products/699.html","n": "<a href='/products/699.html'>厨具</a>","i": [{"u": "/products/700.html","n": "烹饪锅具","i": ["/products/701.html|炒锅", "/products/702.html|煎锅", "/products/703.html|压力锅", "/products/704.html|蒸锅", "/products/705.html|汤锅", "/products/706.html|奶锅", "/products/707.html|锅具套装", "/products/708.html|煲类", "/products/709.html|水壶", "/products/710.html|火锅"]}, {"u": "/products/711.html","n": "刀剪菜板","i": ["/products/712.html|菜刀", "/products/713.html|剪刀", "/products/714.html|刀具套装", "/products/715.html|砧板", "/products/716.html|瓜果刀/刨", "/products/717.html|多功能刀"]}, {"u": "/products/718.html","n": "厨房配件","i": ["/products/719.html|保鲜盒", "/products/720.html|烘焙/烧烤", "/products/721.html|饭盒/提锅", "/products/722.html|储物/置物架", "/products/723.html|厨房DIY/小工具"]}, {"u": "/products/724.html","n": "水具酒具","i": ["/products/725.html|塑料杯", "/products/726.html|运动水壶", "/products/727.html|玻璃杯", "/products/728.html|陶瓷/马克杯", "/products/729.html|保温杯", "/products/730.html|保温壶", "/products/731.html|酒杯/酒具", "/products/732.html|杯具套装"]}, {"u": "/products/733.html","n": "餐具","i": ["/products/734.html|餐具套装", "/products/735.html|碗/碟/盘", "/products/736.html|筷勺/刀叉", "/products/737.html|一次性用品", "/products/738.html|果盘/果篮"]}, {"u": "/products/739.html","n": "茶具/咖啡具","i": ["/products/740.html|整套茶具", "/products/741.html|茶杯", "/products/742.html|茶壶", "/products/743.html|茶盘茶托", "/products/744.html|茶叶罐", "/products/745.html|茶具配件", "/products/746.html|茶宠摆件", "/products/747.html|咖啡具", "/products/748.html|其他"]}]}, {"u": "/products/749.html","n": "<a href='/products/749.html'>服饰内衣</a>","i": [{"u": "/products/750.html","n": "女装","i": ["/products/751.html|T恤", "/products/752.html|衬衫", "/products/753.html|针织衫", "/products/754.html|雪纺衫", "/products/755.html|卫衣", "/products/756.html|马甲", "/products/757.html|连衣裙", "/products/758.html|半身裙", "/products/759.html|牛仔裤", "/products/760.html|休闲裤", "/products/761.html|打底裤", "/products/762.html|正装裤", "/products/763.html|小西装", "/products/764.html|短外套", "/products/765.html|风衣", "/products/766.html|毛呢大衣", "/products/767.html|真皮皮衣", "/products/768.html|棉服", "/products/769.html|羽绒服", "/products/770.html|大码女装", "/products/771.html|中老年女装", "/products/772.html|婚纱", "/products/773.html|打底衫", "/products/774.html|旗袍/唐装", "/products/775.html|加绒裤", "/products/776.html|吊带/背心", "/products/777.html|羊绒衫", "/products/778.html|短裤", "/products/779.html|皮草", "/products/780.html|礼服", "/products/781.html|仿皮皮衣", "/products/782.html|羊毛衫", "/products/783.html|设计师/潮牌"]}, {"u": "/products/784.html","n": "男装","i": ["/products/785.html|衬衫", "/products/786.html|T恤", "/products/787.html|POLO衫", "/products/788.html|针织衫", "/products/789.html|羊绒衫", "/products/790.html|卫衣", "/products/791.html|马甲/背心", "/products/792.html|夹克", "/products/793.html|风衣", "/products/794.html|毛呢大衣", "/products/795.html|仿皮皮衣", "/products/796.html|西服", "/products/797.html|棉服", 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"/products/834.html|秋衣秋裤", "/products/835.html|情趣内衣"]}, {"u": "/products/836.html","n": "服饰配件","i": ["/products/837.html|太阳镜", "/products/838.html|光学镜架/镜片", "/products/839.html|围巾/手套/帽子套装", "/products/840.html|袖扣", "/products/841.html|棒球帽", "/products/842.html|毛线帽", "/products/843.html|遮阳帽", "/products/844.html|老花镜", "/products/845.html|装饰眼镜", "/products/846.html|防辐射眼镜", "/products/847.html|游泳镜", "/products/848.html|女士丝巾/围巾/披肩", "/products/849.html|男士丝巾/围巾", "/products/850.html|鸭舌帽", "/products/851.html|贝雷帽", "/products/852.html|礼帽", "/products/853.html|真皮手套", "/products/854.html|毛线手套", "/products/855.html|防晒手套", "/products/856.html|男士腰带/礼盒", "/products/857.html|女士腰带/礼盒", "/products/858.html|钥匙扣", "/products/859.html|遮阳伞/雨伞", "/products/860.html|口罩", "/products/861.html|耳罩/耳包", "/products/862.html|假领", "/products/863.html|毛线/布面料", "/products/864.html|领带/领结/领带夹"]}]}]
});

修改JS

这里写图片描述
测试效果:
这里写图片描述

这里写图片描述

数据结构

这里写图片描述

后台系统开发接口返回数据

现在我们需要用后台系统来返回我们之前的json数据。

定义ItemCatResult

我们根据之前json的数据结构,我们来定义IteamCatResult:
这里写图片描述

定义ItemCatData

这里写图片描述

我们都把它们放在common里面:
这里写图片描述
并在common的pom.xml导入json的依赖:

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><parent><groupId>com.taotao.parent</groupId><artifactId>taotao-parent</artifactId><version>0.0.1-SNAPSHOT</version></parent><groupId>com.taotao-common</groupId><artifactId>taotao-common</artifactId><dependencies><!-- Jackson Json处理工具包 --><dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-databind</artifactId></dependency></dependencies>
</project>

Controller

这里写图片描述
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Service

这里写图片描述

  /*** 全部查询,并且生成树状结构* * @return*/public ItemCatResult queryAllToTree() {ItemCatResult result = new ItemCatResult();// 全部查出,并且在内存中生成树形结构List<ItemCat> cats = super.queryAll();// 转为map存储,key为父节点ID,value为数据集合Map<Long, List<ItemCat>> itemCatMap = new HashMap<Long, List<ItemCat>>();for (ItemCat itemCat : cats) {if (!itemCatMap.containsKey(itemCat.getParentId())) {itemCatMap.put(itemCat.getParentId(), new ArrayList<ItemCat>());}itemCatMap.get(itemCat.getParentId()).add(itemCat);}// 封装一级对象List<ItemCat> itemCatList1 = itemCatMap.get(0L);for (ItemCat itemCat : itemCatList1) {ItemCatData itemCatData = new ItemCatData();itemCatData.setUrl("/products/" + itemCat.getId() + ".html");itemCatData.setName("<a href='" + itemCatData.getUrl() + "'>" + itemCat.getName() + "</a>");result.getItemCats().add(itemCatData);if (!itemCat.getIsParent()) {continue;}// 封装二级对象List<ItemCat> itemCatList2 = itemCatMap.get(itemCat.getId());List<ItemCatData> itemCatData2 = new ArrayList<ItemCatData>();itemCatData.setItems(itemCatData2);for (ItemCat itemCat2 : itemCatList2) {ItemCatData id2 = new ItemCatData();id2.setName(itemCat2.getName());id2.setUrl("/products/" + itemCat2.getId() + ".html");itemCatData2.add(id2);if (itemCat2.getIsParent()) {// 封装三级对象List<ItemCat> itemCatList3 = itemCatMap.get(itemCat2.getId());List<String> itemCatData3 = new ArrayList<String>();id2.setItems(itemCatData3);for (ItemCat itemCat3 : itemCatList3) {itemCatData3.add("/products/" + itemCat3.getId() + ".html|" + itemCat3.getName());}}}if (result.getItemCats().size() >= 14) {break;}}return result;}

测试

这里写图片描述


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