feat(新增): 品牌列表查询

Signed-off-by: bunny <1319900154@qq.com>

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

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+package com.atguigu.spzx.manger.controller;
+
+import com.atguigu.spzx.manger.service.BrandService;
+import com.atguigu.spzx.model.entity.product.Brand;
+import com.atguigu.spzx.model.vo.result.Result;
+import com.github.pagehelper.PageInfo;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.springframework.beans.factory.annotation.Autowired;
+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;
+
+@Tag(name = "品牌管理")
+@RestController
+@RequestMapping(value = "/admin/product/brand")
+public class BrandController {
+    @Autowired
+    private BrandService brandService;
+
+    @Operation(summary = "品牌列表查询", description = "品牌列表查询")
+    @GetMapping("{page}/{limit}")
+    public Result<PageInfo<Brand>> findByPage(@PathVariable Integer page, @PathVariable Integer limit) {
+        PageInfo<Brand> pageInfo = brandService.findByPage(page, limit);
+        return Result.success(pageInfo);
+    }
+}

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

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+package com.atguigu.spzx.manger.mapper;
+
+import com.atguigu.spzx.model.entity.product.Brand;
+
+import java.util.List;
+
+public interface BrandMapper {
+    /**
+     * 查找分页品牌
+     *
+     * @return 品牌列表
+     */
+    List<Brand> findByPage();
+}

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

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+package com.atguigu.spzx.manger.service;
+
+import com.atguigu.spzx.model.entity.product.Brand;
+import com.github.pagehelper.PageInfo;
+
+public interface BrandService {
+    /**
+     * 品牌列表查询
+     *
+     * @param page  当前页
+     * @param limit 每页大小
+     * @return 品牌分页结果
+     */
+    PageInfo<Brand> findByPage(Integer page, Integer limit);
+}

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

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+package com.atguigu.spzx.manger.service.impl;
+
+import com.atguigu.spzx.manger.mapper.BrandMapper;
+import com.atguigu.spzx.manger.service.BrandService;
+import com.atguigu.spzx.model.entity.product.Brand;
+import com.github.pagehelper.Page;
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class BrandServiceImpl implements BrandService {
+    @Autowired
+    private BrandMapper brandMapper;
+
+    /**
+     * 品牌列表查询
+     *
+     * @param page  当前页
+     * @param limit 每页大小
+     * @return 品牌分页结果
+     */
+    @Override
+    public PageInfo<Brand> findByPage(Integer page, Integer limit) {
+        Page<Brand> startPage = PageHelper.startPage(page, limit);
+        // 查找分页品牌
+        List<Brand> brandList = brandMapper.findByPage();
+        startPage.close();
+        return new PageInfo<>(brandList);
+    }
+}

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

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+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
+<mapper namespace="com.atguigu.spzx.manger.mapper.BrandMapper">
+    <!-- 用于select查询公用抽取的列 -->
+    <sql id="columns">
+        id,name,logo,create_time,update_time,is_deleted
+    </sql>
+
+    <!-- 查找分页品牌 -->
+    <select id="findByPage" resultType="com.atguigu.spzx.model.entity.product.Brand">
+        select
+        <include refid="columns"/>
+        from brand
+        where is_deleted = 0
+        order by id desc
+    </select>
+</mapper>