完成菜品分类页面接口

api-interface/itmk-base-parent/itmk-base-web/src/main/java/com/itmk/web/category/entity/SysCategory.java

@@ -2,10 +2,15 @@ package com.itmk.web.category.entity;
 
 
 import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
+import com.itmk.web.goods.entity.SysGoods;
 import lombok.Data;
 
+import java.util.ArrayList;
+import java.util.List;
+
 @Data
 
 @TableName("sys_category")//表明该类实体类所关联的数据表库
@@ -16,4 +21,7 @@ public class SysCategory {
     private Long categoryId;
     private String categoryName;
     private Integer orderNum;
+
+    @TableField(exist = false)
+    private List<SysGoods> goods = new ArrayList<>();
 }

api-interface/itmk-base-parent/itmk-base-web/src/main/java/com/itmk/web/wxapi/controller/WxCategoryController.java

@@ -0,0 +1,59 @@
+package com.itmk.web.wxapi.controller;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.itmk.utils.ResultUtils;
+import com.itmk.utils.ResultVo;
+import com.itmk.web.category.entity.SysCategory;
+import com.itmk.web.category.service.SysCategoryService;
+import com.itmk.web.goods.entity.SysGoods;
+import com.itmk.web.goods.service.SysGoodsService;
+import com.itmk.web.goods_specs.entity.SysGoodsSpecs;
+import com.itmk.web.goods_specs.service.SysGoodsSpecsService;
+import com.itmk.web.banner.entity.SysBanner;
+import com.itmk.web.banner.service.SysBannerService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/wxapi/category")
+public class WxCategoryController {
+    @Autowired
+    private SysGoodsService sysGoodsService;
+    @Autowired
+    private SysCategoryService sysCategoryService;
+    @Autowired
+    private SysGoodsSpecsService sysGoodsSpecsService;
+
+    //分类数据
+    @GetMapping("/getCategoryList")
+    public ResultVo getCategoryList(){
+        QueryWrapper<SysCategory> query = new QueryWrapper<>();
+        query.lambda().orderByAsc(SysCategory::getOrderNum);
+        List<SysCategory> list = sysCategoryService.list(query);
+        if(list.size() > 0){
+            for (int i = 0; i < list.size(); i++) {
+                //查询分类下面的菜品
+                QueryWrapper<SysGoods> queryWrapper = new QueryWrapper<>();
+                queryWrapper.lambda().eq(SysGoods::getCategoryId,list.get(i).getCategoryId())
+                        .orderByAsc(SysGoods::getOrderNum);
+                List<SysGoods> goods = sysGoodsService.list(queryWrapper);
+                list.get(i).setGoods(goods);
+                if(goods.size() > 0){
+                    for (int j = 0; j < goods.size(); j++) {
+                        //查询价格
+                        QueryWrapper<SysGoodsSpecs> queryWrapperPrice = new QueryWrapper<>();
+                        queryWrapperPrice.lambda().eq(SysGoodsSpecs::getGoodsId,goods.get(j).getGoodsId())
+                                .orderByAsc(SysGoodsSpecs::getOrderNum);
+                        List<SysGoodsSpecs> specs = sysGoodsSpecsService.list(queryWrapperPrice);
+                        goods.get(j).setSpecs(specs);
+                    }
+                }
+            }
+        }
+        return ResultUtils.success("查询成功",list);
+    }
+}