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RuoYi-Cloud
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1、商城项目商品服务三级分类缓存优化

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pull/254/head
xjs 4 years ago
parent 09132426e4
commit 7495a0eca1
5 changed files with 151 additions and 49 deletions
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22
xjs-business/xjs-business-common/src/main/java/com/xjs/consts/RedisConst.java
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@ -8,7 +8,7 @@ package com.xjs.consts;
*/
public class RedisConst {
//----------------------key------------------------
//----------------------bussiness-key------------------------
/**
* 翻译字典常量key
@ -59,7 +59,25 @@ public class RedisConst {
* 爬虫记录循环次数常量信息：weixin.link
*/
public static final String REPTILE_WEIXIN_LINK_COUNT = "reptile:weixin.link.count";
;
//--------------------------mall-key-----------------------------------
/**
* mallKey前缀
*/
public static final String MALL_PREFIX = "mall:";
/**
* 三级分类后台key
*/
public static final String CATALOG_AFTER = MALL_PREFIX + "catalog:after";
/**
* 三级分类前台key
*/
public static final String CATALOG_BEFORE = MALL_PREFIX + "catalog:before";
//-------------------有效时间-----------------------
public static final Integer TRAN_DICT_EXPIRE = 1; //小时

8
xjs-business/xjs-project-mall/mall-product/src/main/java/com/xjs/mall/product/controller/CategoryController.java
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@ -10,12 +10,16 @@ import com.xjs.validation.group.UpdateGroup;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import java.util.Arrays;
import java.util.List;
import static com.xjs.consts.RedisConst.CATALOG_AFTER;
import static com.xjs.consts.RedisConst.CATALOG_BEFORE;
/**
* 商品三级分类
@ -30,6 +34,8 @@ import java.util.List;
public class CategoryController {
@Autowired
private CategoryService categoryService;
@Autowired
private StringRedisTemplate stringRedisTemplate;
/**
* 列表--树形结构
@ -84,6 +90,8 @@ public class CategoryController {
@Log(title = "商品分类", businessType = BusinessType.UPDATE)
public R updateSort(@RequestBody CategoryEntity[] categoryEntities) {
categoryService.updateBatchById(Arrays.asList(categoryEntities));
//删除缓存
stringRedisTemplate.delete(Arrays.asList(CATALOG_BEFORE,CATALOG_AFTER));
return R.ok();
}

6
xjs-business/xjs-project-mall/mall-product/src/main/java/com/xjs/mall/product/controller/web/IndexController.java
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@ -3,8 +3,6 @@ package com.xjs.mall.product.controller.web;
import com.xjs.mall.product.entity.CategoryEntity;
import com.xjs.mall.product.service.CategoryService;
import com.xjs.mall.product.vo.Catelog2Vo;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
@ -15,13 +13,12 @@ import java.util.List;
import java.util.Map;
/**
* 首页控制器
* 商城-商品首页控制器
*
* @author xiejs
* @since 2022-04-07
*/
@Controller
@Api(tags = "商城-商品-首页")
public class IndexController {
@Autowired
@ -37,7 +34,6 @@ public class IndexController {
@GetMapping("/index/json/catalog.json")
@ResponseBody
@ApiOperation("获取三级分类")
public Map<String,List<Catelog2Vo>> getCatalogJson() {
return categoryService.getCatalogJson();
}

104
xjs-business/xjs-project-mall/mall-product/src/main/java/com/xjs/mall/product/service/impl/CategoryServiceImpl.java
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@ -1,13 +1,24 @@
package com.xjs.mall.product.service.impl;
import cn.hutool.core.collection.CollUtil;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.common.core.utils.StringUtils;
import com.xjs.exception.MallException;
import com.xjs.mall.product.dao.CategoryDao;
import com.xjs.mall.product.entity.AttrEntity;
import com.xjs.mall.product.entity.AttrGroupEntity;
import com.xjs.mall.product.entity.CategoryBrandRelationEntity;
import com.xjs.mall.product.entity.CategoryEntity;
import com.xjs.mall.product.service.AttrGroupService;
import com.xjs.mall.product.service.AttrService;
import com.xjs.mall.product.service.CategoryBrandRelationService;
import com.xjs.mall.product.service.CategoryService;
import com.xjs.mall.product.vo.Catelog2Vo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
@ -15,6 +26,9 @@ import javax.annotation.Resource;
import java.util.*;
import java.util.stream.Collectors;
import static com.xjs.consts.RedisConst.CATALOG_AFTER;
import static com.xjs.consts.RedisConst.CATALOG_BEFORE;
@Service("categoryService")
@Transactional
@ -26,26 +40,78 @@ public class CategoryServiceImpl extends ServiceImpl<CategoryDao, CategoryEntity
@Autowired
private CategoryBrandRelationService categoryBrandRelationService;
@Autowired
private StringRedisTemplate stringRedisTemplate;
@Autowired
private AttrGroupService attrGroupService;
@Autowired
private AttrService attrService;
@Override
public List<CategoryEntity> listWithTree() {
//查缓存
String cache = stringRedisTemplate.opsForValue().get(CATALOG_AFTER);
if (StringUtils.isEmpty(cache)) {
//1、查询所有分类
List<CategoryEntity> entities = categoryDao.selectList(null);
//2、找到所有一级分类
return entities.stream().filter(categoryEntity ->
categoryEntity.getParentCid() == 0)
List<CategoryEntity> collect = entities.stream()
.filter(categoryEntity -> categoryEntity.getParentCid() == 0)
.peek(menu -> menu.setChildren(this.getChildrens(menu, entities)))
.sorted(Comparator.comparingInt(menu -> (menu.getSort() == null ? 0 : menu.getSort())))
.collect(Collectors.toList());
//存入缓存
String jsonString = JSON.toJSONString(collect);
stringRedisTemplate.opsForValue().set(CATALOG_AFTER, jsonString);
return collect;
} else {
return JSON.parseObject(cache, new TypeReference<List<CategoryEntity>>() {
});
}
}
@Override
public void removeMenuByIds(List<Long> asList) {
// todo 检查当前要删除的菜单是否被其他的地方引用
//检查当前要删除的菜单是否被其他的地方引用
for (Long id : asList) {
// 1、品牌关联
LambdaQueryWrapper<CategoryBrandRelationEntity> wrapperBrand = new LambdaQueryWrapper<CategoryBrandRelationEntity>()
.eq(CategoryBrandRelationEntity::getCatelogId, id);
List<CategoryBrandRelationEntity> relationEntityList = categoryBrandRelationService.list(wrapperBrand);
if (CollUtil.isNotEmpty(relationEntityList)) {
throw new MallException("请先删除关联品牌信息");
}
// 2、属性分组关联
LambdaQueryWrapper<AttrGroupEntity> wrapperAttrGroup = new LambdaQueryWrapper<AttrGroupEntity>()
.eq(AttrGroupEntity::getCatelogId, id);
List<AttrGroupEntity> groupEntityList = attrGroupService.list(wrapperAttrGroup);
if (CollUtil.isNotEmpty(groupEntityList)) {
throw new MallException("请先删除关联属性分组信息");
}
// 3、销售属性/规格参数
LambdaQueryWrapper<AttrEntity> wrapperAttr = new LambdaQueryWrapper<AttrEntity>()
.eq(AttrEntity::getCatelogId, id);
List<AttrEntity> attrEntityList = attrService.list(wrapperAttr);
if (CollUtil.isNotEmpty(attrEntityList)) {
throw new MallException("请先删除关联销售属性/规格参数信息");
}
}
categoryDao.deleteBatchIds(asList);
//删除后清除缓存
stringRedisTemplate.delete(Arrays.asList(CATALOG_BEFORE,CATALOG_AFTER));
}
@Override
@ -66,6 +132,9 @@ public class CategoryServiceImpl extends ServiceImpl<CategoryDao, CategoryEntity
//更新关联表
categoryBrandRelationService.updateCategory(category.getCatId(), category.getName());
//删除缓存
stringRedisTemplate.delete(Arrays.asList(CATALOG_BEFORE,CATALOG_AFTER));
}
@Override
@ -77,13 +146,28 @@ public class CategoryServiceImpl extends ServiceImpl<CategoryDao, CategoryEntity
@Override
public Map<String, List<Catelog2Vo>> getCatalogJson() {
//先查缓存
String catalogJSON = stringRedisTemplate.opsForValue().get(CATALOG_BEFORE);
if (StringUtils.isEmpty(catalogJSON)) {
//缓存没有查数据库并且放入
Map<String, List<Catelog2Vo>> catalogJsonFormDb = this.getCatalogJsonFormDb();
String jsonString = JSON.toJSONString(catalogJsonFormDb);
stringRedisTemplate.opsForValue().set(CATALOG_BEFORE, jsonString);
return catalogJsonFormDb;
} else {
return JSON.parseObject(catalogJSON, new TypeReference<Map<String, List<Catelog2Vo>>>() {
});
}
}
//可优化
private Map<String, List<Catelog2Vo>> getCatalogJsonFormDb() {
//查出所有1级分类
List<CategoryEntity> level1Categorys = getLevel1Categorys();
//封装数据
return level1Categorys.stream().collect(Collectors.toMap(
k -> k.getCatId().toString(),
v -> {
return level1Categorys.stream().collect(Collectors.toMap(k -> k.getCatId().toString(), v -> {
//每一个的一级分类，查到这个一级分类的二级分类
List<CategoryEntity> categoryEntities = super.baseMapper.selectList(new LambdaQueryWrapper<CategoryEntity>().eq(CategoryEntity::getParentCid, v.getCatId()));
@ -110,8 +194,7 @@ public class CategoryServiceImpl extends ServiceImpl<CategoryDao, CategoryEntity
}
return catelog2Vos;
}
));
}));
}
//225,25,2
@ -139,10 +222,7 @@ public class CategoryServiceImpl extends ServiceImpl<CategoryDao, CategoryEntity
//-----------peek和map区别---------------//
//map有返回值，peek没有返回值
return all.stream().filter(categoryEntity -> Objects.equals(categoryEntity.getParentCid(), root.getCatId()))
.peek(categoryEntity -> categoryEntity.setChildren(getChildrens(categoryEntity, all)))
.sorted(Comparator.comparingInt(menu -> (menu.getSort() == null ? 0 : menu.getSort())))
.collect(Collectors.toList());
return all.stream().filter(categoryEntity -> Objects.equals(categoryEntity.getParentCid(), root.getCatId())).peek(categoryEntity -> categoryEntity.setChildren(getChildrens(categoryEntity, all))).sorted(Comparator.comparingInt(menu -> (menu.getSort() == null ? 0 : menu.getSort()))).collect(Collectors.toList());
}

2
xjs-business/xjs-project-mall/mall-product/src/main/resources/templates/index.html
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@ -619,7 +619,7 @@
<script type="text/javascript" src="index/js/header.js"></script>
<script type="text/javascript" src="index/js/secend.js"></script>
<script type="text/javascript" src="index/js/zz.js"></script>
<script type="text/javascript" src="index/jsindex.js"></script>
<script type="text/javascript" src="index/js/index.js"></script>
<script type="text/javascript" src="index/js/left,top.js"></script>
<script type="text/javascript" src="index/js/catalogLoader.js"></script>
</html>

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