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新增App资讯相关接口

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kerwincui
2022-04-14 20:32:28 +08:00
parent 6b759faeb9
commit 81f1ca8a23
11 changed files with 167 additions and 7 deletions
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4
springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/INewsCategoryService.java
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@@ -1,6 +1,8 @@
package com.ruoyi.iot.service;
import java.util.List;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.iot.domain.NewsCategory;
import com.ruoyi.iot.model.IdAndName;
@@ -57,7 +59,7 @@ public interface INewsCategoryService
* @param categoryIds 需要删除的新闻分类主键集合
* @return 结果
*/
public int deleteNewsCategoryByCategoryIds(Long[] categoryIds);
public AjaxResult deleteNewsCategoryByCategoryIds(Long[] categoryIds);
/**
* 删除新闻分类信息

8
springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/INewsService.java
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@@ -2,6 +2,7 @@ package com.ruoyi.iot.service;
import java.util.List;
import com.ruoyi.iot.domain.News;
import com.ruoyi.iot.model.CategoryNews;
/**
* 新闻资讯Service接口
@@ -27,6 +28,13 @@ public interface INewsService
*/
public List<News> selectNewsList(News news);
/**
* 查询置顶新闻资讯列表
*
* @return 新闻资讯集合
*/
public List<CategoryNews> selectTopNewsList();
/**
* 新增新闻资讯
*

13
springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/NewsCategoryServiceImpl.java
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@@ -1,6 +1,8 @@
package com.ruoyi.iot.service.impl;
import java.util.List;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.iot.model.IdAndName;
import org.springframework.beans.factory.annotation.Autowired;
@@ -89,9 +91,16 @@ public class NewsCategoryServiceImpl implements INewsCategoryService
* @return 结果
*/
@Override
public int deleteNewsCategoryByCategoryIds(Long[] categoryIds)
public AjaxResult deleteNewsCategoryByCategoryIds(Long[] categoryIds)
{
return newsCategoryMapper.deleteNewsCategoryByCategoryIds(categoryIds);
int productCount=newsCategoryMapper.newsCountInCategorys(categoryIds);
if(productCount>0){
return AjaxResult.error("删除失败，请先删除对应分类下的新闻资讯");
}
if(newsCategoryMapper.deleteNewsCategoryByCategoryIds(categoryIds)>0){
return AjaxResult.success("删除成功");
}
return AjaxResult.error("删除失败");
}
/**

35
springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/NewsServiceImpl.java
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@@ -1,7 +1,12 @@
package com.ruoyi.iot.service.impl;
import java.util.ArrayList;
import java.util.List;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.iot.mapper.NewsCategoryMapper;
import com.ruoyi.iot.model.CategoryNews;
import com.ruoyi.iot.model.IdAndName;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.ruoyi.iot.mapper.NewsMapper;
@@ -44,6 +49,36 @@ public class NewsServiceImpl implements INewsService
return newsMapper.selectNewsList(news);
}
/**
* 查询置顶新闻资讯列表
*
* @return 新闻资讯
*/
@Override
public List<CategoryNews> selectTopNewsList()
{
List<CategoryNews> categoryNewsList =new ArrayList<>();
List<News> newsList=newsMapper.selectTopNewsList();
for(int i=0;i<newsList.size();i++){
boolean isAdd=false;
for(int j=0;j<categoryNewsList.size();j++){
if(newsList.get(i).getCategoryId().longValue()==categoryNewsList.get(j).getCategoryId().longValue()){
categoryNewsList.get(j).getNewsList().add(newsList.get(i));
isAdd=true;
break;
}
}
if(!isAdd) {
CategoryNews categoryNews = new CategoryNews();
categoryNews.setCategoryId(newsList.get(i).getCategoryId());
categoryNews.setCategoryName(newsList.get(i).getCategoryName());
categoryNews.getNewsList().add(newsList.get(i));
categoryNewsList.add(categoryNews);
}
}
return categoryNewsList;
}
/**
* 新增新闻资讯
*