pc一级分类

src/main/java/com/example/afrishop_v3/vo/Category.java

+package com.example.afrishop_v3.vo;
+
+import com.example.afrishop_v3.models.TbCfDescripiton;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * @Auther: wudepeng
+ * @Date: 2020/11/23
+ * @Description:商品分类
+ */
+@Data
+public class Category {
+
+    private String id;
+    private String category;
+    private List<TbCfDescripiton> categoryList;
+}

src/main/java/com/example/afrishop_v3/website/controller/ColumnController.java

+package com.example.afrishop_v3.website.controller;
+
+
+import com.example.afrishop_v3.base.Result;
+import com.example.afrishop_v3.models.TbCfDescripiton;
+import com.example.afrishop_v3.models.TbCfGoodstwotype;
+import com.example.afrishop_v3.repository.TbCfDescripitonRepository;
+import com.example.afrishop_v3.repository.TbCfGoodstwotypeRepository;
+import com.example.afrishop_v3.repository.TbCfGoodstypeRepository;
+import com.example.afrishop_v3.vo.Category;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.*;
+
+/**
+ * @Auther: wudepeng
+ * @Date: 2020/11/23
+ * @Description:PC官网首页商品分类管理
+ */
+@RestController
+@RequestMapping(value = "/website/column")
+public class ColumnController {
+
+    private final TbCfGoodstypeRepository repository;
+
+    private final TbCfGoodstwotypeRepository secondaryRepository;
+
+    private final TbCfDescripitonRepository tertiaryRepository;
+
+    public ColumnController(TbCfGoodstypeRepository repository, TbCfGoodstwotypeRepository secondaryRepository, TbCfDescripitonRepository tertiaryRepository) {
+        this.repository = repository;
+        this.secondaryRepository = secondaryRepository;
+        this.tertiaryRepository = tertiaryRepository;
+
+    }
+
+    /**
+     * 查询所有一级分类
+     */
+    @GetMapping
+    public Result findTopCategory() {
+
+        return new Result(repository.findAll());
+    }
+
+    /**
+     * 查询一级分类的子分类
+     */
+    @GetMapping("/{id}")
+    public Result findCategoryChildrens(@PathVariable("id") String id) {
+        LinkedList<Category> categoryList = new LinkedList();
+
+        //二级分类
+        List<TbCfGoodstwotype> secondaryCategory = secondaryRepository.findAllByGoodstypeId(id);
+
+        secondaryCategory.forEach(category -> {
+            //三级分类
+            List<TbCfDescripiton> tertiaryCategory = tertiaryRepository.findAllByGoodstwotypeId(category.getGoodstwotypeId());
+            Category c = new Category();
+            c.setId(category.getGoodstwotypeId());
+            c.setCategory(category.getGoodstwotypeTitle());
+            c.setCategoryList(tertiaryCategory);
+            categoryList.add(c);
+        });
+
+        return new Result(categoryList);
+    }
+
+}