FEAT: 商品api-品类查询

IDen-z · Nov 9, 2021 · 3d45d61 · 3d45d61
1 parent 09fd55c
commit 3d45d61
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Showing 5 changed files with 61 additions and 1 deletion.
diff --git a/zshop-product/src/main/java/com/zmz/shop/product/controller/CategoryController.java b/zshop-product/src/main/java/com/zmz/shop/product/controller/CategoryController.java
@@ -1,6 +1,7 @@
 package com.zmz.shop.product.controller;
 
 import java.util.Arrays;
+import java.util.List;
 import java.util.Map;
 
 import org.springframework.beans.factory.annotation.Autowired;
@@ -30,6 +31,17 @@ public class CategoryController {
     @Autowired
     private CategoryService categoryService;
 
+    /**
+     * 查询出所有分类以及子分类  以父子结构显示
+     */
+    @RequestMapping("/list/tree")
+    //@RequiresPermissions("product:category:list")
+    public R listTree(){
+        List<CategoryEntity> res= categoryService.queryListTree();
+        return R.ok().put("data", res);
+    }
+
+
     /**
      * 列表
      */

diff --git a/zshop-product/src/main/java/com/zmz/shop/product/entity/CategoryEntity.java b/zshop-product/src/main/java/com/zmz/shop/product/entity/CategoryEntity.java
@@ -1,10 +1,13 @@
 package com.zmz.shop.product.entity;
 
+import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 
 import java.io.Serializable;
 import java.util.Date;
+import java.util.List;
+
 import lombok.Data;
 
 /**
@@ -57,4 +60,12 @@ public class CategoryEntity implements Serializable {
 	 */
 	private Integer productCount;
 
+	/**
+	 *  子节点分类List
+	 */
+	// 该注解表明未和数据库表的字段一一对应
+	@TableField(exist = false)
+	private List<CategoryEntity> childrenList;
+
+
 }
diff --git a/zshop-product/src/main/java/com/zmz/shop/product/service/CategoryService.java b/zshop-product/src/main/java/com/zmz/shop/product/service/CategoryService.java
@@ -4,6 +4,7 @@
 import com.zmz.common.utils.PageUtils;
 import com.zmz.shop.product.entity.CategoryEntity;
 
+import java.util.List;
 import java.util.Map;
 
 /**
@@ -16,5 +17,7 @@
 public interface CategoryService extends IService<CategoryEntity> {
 
     PageUtils queryPage(Map<String, Object> params);
+
+    List<CategoryEntity> queryListTree();
 }
 
diff --git a/zshop-product/src/main/java/com/zmz/shop/product/service/impl/CategoryServiceImpl.java b/zshop-product/src/main/java/com/zmz/shop/product/service/impl/CategoryServiceImpl.java
@@ -1,7 +1,12 @@
 package com.zmz.shop.product.service.impl;
 
 import org.springframework.stereotype.Service;
+
+import java.util.Comparator;
+import java.util.List;
 import java.util.Map;
+import java.util.stream.Collectors;
+
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
@@ -26,4 +31,29 @@ public PageUtils queryPage(Map<String, Object> params) {
         return new PageUtils(page);
     }
 
+    @Override
+    public List<CategoryEntity> queryListTree() {
+        // 查出所有的分类列表
+        List<CategoryEntity> entityList = baseMapper.selectList(new QueryWrapper<>());
+
+        // 包装分类实例为父子节点结构
+
+        // 过滤所有的顶级节点
+        List<CategoryEntity> collect = entityList.stream().filter(categoryEntity -> {
+            return categoryEntity.getParentCid() == 0;
+        }).map(categoryEntity -> {
+             categoryEntity.setChildrenList(getChildren(categoryEntity,entityList));
+             return categoryEntity;
+        }).sorted(Comparator.comparing(CategoryEntity::getSort)).collect(Collectors.toList());
+
+        return collect;
+    }
+
+    /**
+     *  递归查出当前节点下的每个子节点
+     */
+    private List<CategoryEntity> getChildren(CategoryEntity categoryEntity, List<CategoryEntity> entityList) {
+        return null;
+    }
+
 }
diff --git a/zshop-product/src/main/resources/application.yml b/zshop-product/src/main/resources/application.yml
@@ -1,12 +1,16 @@
 server:
-  port: 10000
+  port: 9999
 
 spring:
   datasource:
     username: root
     password: 123456
     url: jdbc:mysql://192.168.80.130:3306/zshop_pms
     driver-class-name: com.mysql.cj.jdbc.Driver
+  cloud:
+    nacos:
+      discovery:
+        server-addr: 127.0.0.1:8848
 
 #classpath加不加*的区别在于加*会把 第三方jar包类路径下匹配到的xml文件也进行包扫描
 mybatis-plus: