spzx-manager/src/main/java/com/atguigu/spzx/manger/controller/BrandController.java

@@ -29,4 +29,11 @@ public class BrandController {
         brandService.save(brand);
         return Result.success();
     }
+
+    @Operation(summary = "修改品牌", description = "修改品牌")
+    @PutMapping("updateById")
+    public Result<Brand> updateById(@RequestBody Brand brand) {
+        brandService.updateById(brand);
+        return Result.success();
+    }
 }

spzx-manager/src/main/java/com/atguigu/spzx/manger/mapper/BrandMapper.java

@@ -18,4 +18,11 @@ public interface BrandMapper {
      * @param brand 品牌实体类
      */
     void save(Brand brand);
+
+    /**
+     * 修改品牌
+     *
+     * @param brand 品牌实体类
+     */
+    void updateById(Brand brand);
 }

spzx-manager/src/main/java/com/atguigu/spzx/manger/service/BrandService.java

@@ -19,4 +19,11 @@ public interface BrandService {
      * @param brand 品牌实体类
      */
     void save(Brand brand);
+
+    /**
+     * 修改品牌
+     *
+     * @param brand 品牌实体类
+     */
+    void updateById(Brand brand);
 }

spzx-manager/src/main/java/com/atguigu/spzx/manger/service/impl/BrandServiceImpl.java

@@ -1,8 +1,10 @@
 package com.atguigu.spzx.manger.service.impl;
 
+import com.atguigu.constant.MessageConstant;
 import com.atguigu.spzx.manger.mapper.BrandMapper;
 import com.atguigu.spzx.manger.service.BrandService;
 import com.atguigu.spzx.model.entity.product.Brand;
+import com.atguigu.utils.StringEmptyUtil;
 import com.github.pagehelper.Page;
 import com.github.pagehelper.PageHelper;
 import com.github.pagehelper.PageInfo;
@@ -15,6 +17,8 @@ import java.util.List;
 public class BrandServiceImpl implements BrandService {
     @Autowired
     private BrandMapper brandMapper;
+    @Autowired
+    private StringEmptyUtil emptyUtil;
 
     /**
      * 品牌列表查询
@@ -41,4 +45,16 @@ public class BrandServiceImpl implements BrandService {
     public void save(Brand brand) {
         brandMapper.save(brand);
     }
+
+    /**
+     * 修改品牌
+     *
+     * @param brand 品牌实体类
+     */
+    @Override
+    public void updateById(Brand brand) {
+        emptyUtil.isEmpty(brand, MessageConstant.DELETE_ID_IS_NOT_EMPTY);
+
+        brandMapper.updateById(brand);
+    }
 }

spzx-manager/src/main/resources/mapper/BrandMapper.xml

@@ -12,6 +12,20 @@
         values (#{id}, #{name}, #{logo}, now(), now(), 0);
     </insert>
 
+    <!-- 修改品牌 -->
+    <update id="updateById">
+        update brand
+        set
+        <if test="name != null and name != ''">
+            name = #{name},
+        </if>
+        <if test="logo != null and logo != ''">
+            logo = #{logo},
+        </if>
+        update_time = now()
+        where id = #{id}
+    </update>
+
     <!-- 查找分页品牌 -->
     <select id="findByPage" resultType="com.atguigu.spzx.model.entity.product.Brand">
         select