[Java知识库] 第188天学习打卡（项目谷粒商城30 规格参数新增与VO 规格参数列表）

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[Java知识库]第188天学习打卡（项目谷粒商城30 规格参数新增与VO 规格参数列表）

规格参数新增与VO

属性分组的查询时设置模糊查询功能

gulimall.product.service.impl

AttrGroupServiceImpl.java

package com.doudou.gulimall.product.service.impl;

import org.springframework.stereotype.Service;
import java.util.Map;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.doudou.common.utils.PageUtils;
import com.doudou.common.utils.Query;

import com.doudou.gulimall.product.dao.AttrGroupDao;
import com.doudou.gulimall.product.entity.AttrGroupEntity;
import com.doudou.gulimall.product.service.AttrGroupService;
import org.springframework.util.StringUtils;


@Service("attrGroupService")
public class AttrGroupServiceImpl extends ServiceImpl<AttrGroupDao, AttrGroupEntity> implements AttrGroupService {

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrGroupEntity> page = this.page(
                new Query<AttrGroupEntity>().getPage(params),
                new QueryWrapper<AttrGroupEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public PageUtils queryPage(Map<String, Object> params, Long catelogId) {
        String key = (String) params.get("key");
        //select * from pms_attr_group where catelog_id ? and (attr_group_id=key or attr_group_name like %key%)
        QueryWrapper<AttrGroupEntity> wrapper = new QueryWrapper<AttrGroupEntity>();
        if(!StringUtils.isEmpty(key)){
            wrapper.and((obj)->{
                obj.eq("attr_group_id",key).or().like("attr_group_name",key);
            });
        }
        if(catelogId == 0){
            IPage<AttrGroupEntity> page = this.page(new Query<AttrGroupEntity>().getPage(params), wrapper);
            return new PageUtils(page);
        }else{
            wrapper.eq("catelog_id",catelogId);

            IPage<AttrGroupEntity> page = this.page(new Query<AttrGroupEntity>().getPage(params), wrapper);
            return new PageUtils(page);
        }

    }

}

doudou.gulimall.product.vo

AttrVo.java

package com.doudou.gulimall.product.vo;

import com.baomidou.mybatisplus.annotation.TableId;
import lombok.Data;

@Data
public class AttrVo {
    /**
     * 属性id
     */
    @TableId
    private Long attrId;
    /**
     * 属性名
     */
    private String attrName;
    /**
     * 是否需要检索[0-不需要，1-需要]
     */
    private Integer searchType;
    /**
     * 属性图标
     */
    private String icon;
    /**
     * 可选值列表[用逗号分隔]
     */
    private String valueSelect;
    /**
     * 属性类型[0-销售属性，1-基本属性，2-既是销售属性又是基本属性]
     */
    private Integer attrType;
    /**
     * 启用状态[0 - 禁用，1 - 启用]
     */
    private Long enable;
    /**
     * 所属分类
     */
    private Long catelogId;
    /**
     * 快速展示【是否展示在介绍上；0-否 1-是】，在sku中仍然可以调整
     */
    private Integer showDesc;

    private Long attrGroupId;
}

gulimall.product.service.impl

AttrServiceImpl.java

package com.doudou.gulimall.product.service.impl;

import com.doudou.gulimall.product.dao.AttrAttrgroupRelationDao;
import com.doudou.gulimall.product.entity.AttrAttrgroupRelationEntity;
import com.doudou.gulimall.product.vo.AttrVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.Map;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.doudou.common.utils.PageUtils;
import com.doudou.common.utils.Query;

import com.doudou.gulimall.product.dao.AttrDao;
import com.doudou.gulimall.product.entity.AttrEntity;
import com.doudou.gulimall.product.service.AttrService;
import org.springframework.transaction.annotation.Transactional;


@Service("attrService")
public class AttrServiceImpl extends ServiceImpl<AttrDao, AttrEntity> implements AttrService {
    @Autowired
    AttrAttrgroupRelationDao relationDao;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrEntity> page = this.page(
                new Query<AttrEntity>().getPage(params),
                new QueryWrapper<AttrEntity>()
        );

        return new PageUtils(page);
    }
    @Transactional //事务
    @Override
    public void saveAttr(AttrVo attr) {
        AttrEntity attrEntity = new AttrEntity();

        BeanUtils.copyProperties(attr,attrEntity);
        //1.保存基本数据
        this.save(attrEntity);
        //2.保存关联关系
        AttrAttrgroupRelationEntity relationEntity = new AttrAttrgroupRelationEntity();
        relationEntity.setAttrGroupId(attr.getAttrGroupId());
        relationEntity.setAttrId(attrEntity.getAttrId());
        relationDao.insert(relationEntity);

    }

}

规格参数列表

package com.doudou.gulimall.product.controller;

import java.util.Arrays;
import java.util.Map;

//import org.apache.shiro.authz.annotation.RequiresPermissions;
import com.doudou.gulimall.product.vo.AttrVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import com.doudou.gulimall.product.entity.AttrEntity;
import com.doudou.gulimall.product.service.AttrService;
import com.doudou.common.utils.PageUtils;
import com.doudou.common.utils.R;



/**
 * 商品属性
 *
 * @author doudoutj111
 *
 * @date 2021-06-19 19:40:53
 */
@RestController
@RequestMapping("product/attr")
public class AttrController {
    @Autowired
    private AttrService attrService;
    //分页查询
    //product/attr/base/list/{catelogId}
    @GetMapping("/base/list/{catelogId}")
    public R baseAttrList(@RequestParam Map<String, Object> params,
                          @PathVariable("catelogId") Long catelogId){
        PageUtils page = attrService.queryBaseAttrPage(params,catelogId);
        return R.ok().put("page", page);
    }

    /**
     * 列表
     */
    @RequestMapping("/list")
    //@RequiresPermissions("product:attr:list")
    public R list(@RequestParam Map<String, Object> params){
        PageUtils page = attrService.queryPage(params);

        return R.ok().put("page", page);
    }


    /**
     * 信息
     */
    @RequestMapping("/info/{attrId}")
   // @RequiresPermissions("product:attr:info")
    public R info(@PathVariable("attrId") Long attrId){
		AttrEntity attr = attrService.getById(attrId);

        return R.ok().put("attr", attr);
    }

    /**
     * 保存
     */
    @RequestMapping("/save")
  //  @RequiresPermissions("product:attr:save")
    public R save(@RequestBody AttrVo attr){
		attrService.saveAttr(attr);

        return R.ok();
    }

    /**
     * 修改
     */
    @RequestMapping("/update")
  //  @RequiresPermissions("product:attr:update")
    public R update(@RequestBody AttrEntity attr){
		attrService.updateById(attr);

        return R.ok();
    }

    /**
     * 删除
     */
    @RequestMapping("/delete")
 //   @RequiresPermissions("product:attr:delete")
    public R delete(@RequestBody Long[] attrIds){
		attrService.removeByIds(Arrays.asList(attrIds));

        return R.ok();
    }

}

gulimall.product.service.impl

AttrServiceImpl.java

package com.doudou.gulimall.product.service.impl;

import com.doudou.gulimall.product.dao.AttrAttrgroupRelationDao;
import com.doudou.gulimall.product.entity.AttrAttrgroupRelationEntity;
import com.doudou.gulimall.product.vo.AttrVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.Map;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.doudou.common.utils.PageUtils;
import com.doudou.common.utils.Query;

import com.doudou.gulimall.product.dao.AttrDao;
import com.doudou.gulimall.product.entity.AttrEntity;
import com.doudou.gulimall.product.service.AttrService;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;


@Service("attrService")
public class AttrServiceImpl extends ServiceImpl<AttrDao, AttrEntity> implements AttrService {
    @Autowired
    AttrAttrgroupRelationDao relationDao;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrEntity> page = this.page(
                new Query<AttrEntity>().getPage(params),
                new QueryWrapper<AttrEntity>()
        );

        return new PageUtils(page);
    }
    @Transactional //事务
    @Override
    public void saveAttr(AttrVo attr) {
        AttrEntity attrEntity = new AttrEntity();

        BeanUtils.copyProperties(attr,attrEntity);
        //1.保存基本数据
        this.save(attrEntity);
        //2.保存关联关系
        AttrAttrgroupRelationEntity relationEntity = new AttrAttrgroupRelationEntity();
        relationEntity.setAttrGroupId(attr.getAttrGroupId());
        relationEntity.setAttrId(attrEntity.getAttrId());
        relationDao.insert(relationEntity);

    }

    @Override
    public PageUtils queryBaseAttrPage(Map<String, Object> params, Long catelogId) {
        QueryWrapper<AttrEntity> queryWrapper = new QueryWrapper<>();
        if (catelogId != 0){
            queryWrapper.eq("catelog_id",catelogId);
        }
        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)){
            //attr_id attr_name
            queryWrapper.and((wrapper)->{
                wrapper.eq("attr_id",key).or().like("attr_name",key);
            });
        }
        IPage<AttrEntity> page = this.page(
                new Query<AttrEntity>().getPage(params),
                queryWrapper
        );

        return new PageUtils(page);

    }

}

查询所属分类与分组

doudou.gulimall.product.vo

AttrRespVo.java

package com.doudou.gulimall.product.vo;

import com.baomidou.mybatisplus.annotation.TableId;
import lombok.Data;

@Data
public class AttrRespVo {
    /**
     * 属性id
     */
    @TableId
    private Long attrId;
    /**
     * 属性名
     */
    private String attrName;
    /**
     * 是否需要检索[0-不需要，1-需要]
     */
    private Integer searchType;
    /**
     * 属性图标
     */
    private String icon;
    /**
     * 可选值列表[用逗号分隔]
     */
    private String valueSelect;
    /**
     * 属性类型[0-销售属性，1-基本属性，2-既是销售属性又是基本属性]
     */
    private Integer attrType;
    /**
     * 启用状态[0 - 禁用，1 - 启用]
     */
    private Long enable;
    /**
     * 所属分类
     */
    private Long catelogId;
    /**
     * 快速展示【是否展示在介绍上；0-否 1-是】，在sku中仍然可以调整
     */
    private Integer showDesc;

    private Long attrGroupId;

    /**
     * "catelogName" : "手机/数码/手机,//所属分类的名字"
     * "groupName" :“主体”，//所属分组名字
     */
    private String catelogName;
    private String groupName;

}

gulimall.product.service.impl

AttrServiceImpl .java

package com.doudou.gulimall.product.service.impl;

import com.doudou.gulimall.product.dao.AttrAttrgroupRelationDao;
import com.doudou.gulimall.product.dao.AttrGroupDao;
import com.doudou.gulimall.product.dao.CategoryDao;
import com.doudou.gulimall.product.entity.AttrAttrgroupRelationEntity;
import com.doudou.gulimall.product.entity.AttrGroupEntity;
import com.doudou.gulimall.product.entity.CategoryEntity;
import com.doudou.gulimall.product.vo.AttrRespVo;
import com.doudou.gulimall.product.vo.AttrVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

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;
import com.doudou.common.utils.PageUtils;
import com.doudou.common.utils.Query;

import com.doudou.gulimall.product.dao.AttrDao;
import com.doudou.gulimall.product.entity.AttrEntity;
import com.doudou.gulimall.product.service.AttrService;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;


@Service("attrService")
public class AttrServiceImpl extends ServiceImpl<AttrDao, AttrEntity> implements AttrService {
    @Autowired
    AttrAttrgroupRelationDao relationDao;
    @Autowired
    AttrGroupDao attrGroupDao;
    @Autowired
    CategoryDao categoryDao;


    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrEntity> page = this.page(
                new Query<AttrEntity>().getPage(params),
                new QueryWrapper<AttrEntity>()
        );

        return new PageUtils(page);
    }
    @Transactional //事务
    @Override
    public void saveAttr(AttrVo attr) {
        AttrEntity attrEntity = new AttrEntity();

        BeanUtils.copyProperties(attr,attrEntity);
        //1.保存基本数据
        this.save(attrEntity);
        //2.保存关联关系
        AttrAttrgroupRelationEntity relationEntity = new AttrAttrgroupRelationEntity();
        relationEntity.setAttrGroupId(attr.getAttrGroupId());
        relationEntity.setAttrId(attrEntity.getAttrId());
        relationDao.insert(relationEntity);

    }

    @Override
    public PageUtils queryBaseAttrPage(Map<String, Object> params, Long catelogId) {
        QueryWrapper<AttrEntity> queryWrapper = new QueryWrapper<>();
        if (catelogId != 0){
            queryWrapper.eq("catelog_id",catelogId);
        }
        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)){
            //attr_id attr_name
            queryWrapper.and((wrapper)->{
                wrapper.eq("attr_id",key).or().like("attr_name",key);
            });
        }
        IPage<AttrEntity> page = this.page(
                new Query<AttrEntity>().getPage(params),
                queryWrapper
        );

        PageUtils pageUtils = new PageUtils(page);
        List<AttrEntity> records = page.getRecords();
        List<AttrRespVo> respVos = records.stream().map((attrEntity) -> {
            AttrRespVo attrRespVo = new AttrRespVo();
            BeanUtils.copyProperties(attrEntity, attrRespVo);

            //1.设置分类和分组的名字
            AttrAttrgroupRelationEntity attrId = relationDao.selectOne(new QueryWrapper<AttrAttrgroupRelationEntity>().eq("attr_id", attrEntity.getAttrId()));

            if (attrId != null) {
                AttrGroupEntity attrGroupEntity = attrGroupDao.selectById(attrId.getAttrGroupId());
                attrRespVo.setGroupName(attrGroupEntity.getAttrGroupName());

            }
            CategoryEntity categoryEntity = categoryDao.selectById(attrEntity.getCatelogId());
            if (categoryEntity != null) {
                attrRespVo.setCatelogName(categoryEntity.getName());
            }


            return attrRespVo;
        }).collect(Collectors.toList());//收集成集合
        pageUtils.setList(respVos);

        return pageUtils;

    }

}