后端新增新闻模块

springboot/wumei-iot/src/main/java/com/ruoyi/iot/controller/NewsCategoryController.java

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+package com.ruoyi.iot.controller;
+
+import java.util.List;
+import javax.servlet.http.HttpServletResponse;
+
+import com.ruoyi.iot.model.IdAndName;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import com.ruoyi.common.annotation.Log;
+import com.ruoyi.common.core.controller.BaseController;
+import com.ruoyi.common.core.domain.AjaxResult;
+import com.ruoyi.common.enums.BusinessType;
+import com.ruoyi.iot.domain.NewsCategory;
+import com.ruoyi.iot.service.INewsCategoryService;
+import com.ruoyi.common.utils.poi.ExcelUtil;
+import com.ruoyi.common.core.page.TableDataInfo;
+
+/**
+ * 新闻分类Controller
+ * 
+ * @author kerwincui
+ * @date 2022-04-09
+ */
+@Api(tags = "新闻分类")
+@RestController
+@RequestMapping("/iot/newsCategory")
+public class NewsCategoryController extends BaseController
+{
+    @Autowired
+    private INewsCategoryService newsCategoryService;
+
+    /**
+     * 查询新闻分类列表
+     */
+    @PreAuthorize("@ss.hasPermi('iot:newsCategory:list')")
+    @GetMapping("/list")
+    @ApiOperation("新闻分类分页列表")
+    public TableDataInfo list(NewsCategory newsCategory)
+    {
+        startPage();
+        List<NewsCategory> list = newsCategoryService.selectNewsCategoryList(newsCategory);
+        return getDataTable(list);
+    }
+
+    /**
+     * 查询新闻分类简短列表
+     */
+    @PreAuthorize("@ss.hasPermi('iot:newsCategory:list')")
+    @GetMapping("/newsCategoryShortList")
+    @ApiOperation("分类简短列表")
+    public AjaxResult newsCategoryShortList()
+    {
+        List<IdAndName> list = newsCategoryService.selectNewsCategoryShortList();
+        return AjaxResult.success(list);
+    }
+
+    /**
+     * 导出新闻分类列表
+     */
+    @PreAuthorize("@ss.hasPermi('iot:newsCategory:export')")
+    @Log(title = "新闻分类", businessType = BusinessType.EXPORT)
+    @PostMapping("/export")
+    public void export(HttpServletResponse response, NewsCategory newsCategory)
+    {
+        List<NewsCategory> list = newsCategoryService.selectNewsCategoryList(newsCategory);
+        ExcelUtil<NewsCategory> util = new ExcelUtil<NewsCategory>(NewsCategory.class);
+        util.exportExcel(response, list, "新闻分类数据");
+    }
+
+    /**
+     * 获取新闻分类详细信息
+     */
+    @PreAuthorize("@ss.hasPermi('iot:newsCategory:query')")
+    @GetMapping(value = "/{categoryId}")
+    @ApiOperation("新闻分类详情")
+    public AjaxResult getInfo(@PathVariable("categoryId") Long categoryId)
+    {
+        return AjaxResult.success(newsCategoryService.selectNewsCategoryByCategoryId(categoryId));
+    }
+
+    /**
+     * 新增新闻分类
+     */
+    @PreAuthorize("@ss.hasPermi('iot:newsCategory:add')")
+    @Log(title = "新闻分类", businessType = BusinessType.INSERT)
+    @PostMapping
+    @ApiOperation("添加新闻分类")
+    public AjaxResult add(@RequestBody NewsCategory newsCategory)
+    {
+        return toAjax(newsCategoryService.insertNewsCategory(newsCategory));
+    }
+
+    /**
+     * 修改新闻分类
+     */
+    @PreAuthorize("@ss.hasPermi('iot:newsCategory:edit')")
+    @Log(title = "新闻分类", businessType = BusinessType.UPDATE)
+    @PutMapping
+    @ApiOperation("修改新闻分类")
+    public AjaxResult edit(@RequestBody NewsCategory newsCategory)
+    {
+        return toAjax(newsCategoryService.updateNewsCategory(newsCategory));
+    }
+
+    /**
+     * 删除新闻分类
+     */
+    @PreAuthorize("@ss.hasPermi('iot:newsCategory:remove')")
+    @Log(title = "新闻分类", businessType = BusinessType.DELETE)
+	@DeleteMapping("/{categoryIds}")
+    @ApiOperation("删除新闻分类")
+    public AjaxResult remove(@PathVariable Long[] categoryIds)
+    {
+        return toAjax(newsCategoryService.deleteNewsCategoryByCategoryIds(categoryIds));
+    }
+}

springboot/wumei-iot/src/main/java/com/ruoyi/iot/controller/NewsController.java

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+package com.ruoyi.iot.controller;
+
+import java.util.List;
+import javax.servlet.http.HttpServletResponse;
+
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import com.ruoyi.common.annotation.Log;
+import com.ruoyi.common.core.controller.BaseController;
+import com.ruoyi.common.core.domain.AjaxResult;
+import com.ruoyi.common.enums.BusinessType;
+import com.ruoyi.iot.domain.News;
+import com.ruoyi.iot.service.INewsService;
+import com.ruoyi.common.utils.poi.ExcelUtil;
+import com.ruoyi.common.core.page.TableDataInfo;
+
+/**
+ * 新闻资讯Controller
+ * 
+ * @author kerwincui
+ * @date 2022-04-09
+ */
+@Api(tags = "新闻资讯")
+@RestController
+@RequestMapping("/iot/news")
+public class NewsController extends BaseController
+{
+    @Autowired
+    private INewsService newsService;
+
+    /**
+     * 查询新闻资讯列表
+     */
+    @PreAuthorize("@ss.hasPermi('iot:news:list')")
+    @GetMapping("/list")
+    @ApiOperation("新闻分页列表")
+    public TableDataInfo list(News news)
+    {
+        startPage();
+        List<News> list = newsService.selectNewsList(news);
+        return getDataTable(list);
+    }
+
+    /**
+     * 导出新闻资讯列表
+     */
+    @PreAuthorize("@ss.hasPermi('iot:news:export')")
+    @Log(title = "新闻资讯", businessType = BusinessType.EXPORT)
+    @PostMapping("/export")
+    public void export(HttpServletResponse response, News news)
+    {
+        List<News> list = newsService.selectNewsList(news);
+        ExcelUtil<News> util = new ExcelUtil<News>(News.class);
+        util.exportExcel(response, list, "新闻资讯数据");
+    }
+
+    /**
+     * 获取新闻资讯详细信息
+     */
+    @PreAuthorize("@ss.hasPermi('iot:news:query')")
+    @GetMapping(value = "/{newsId}")
+    @ApiOperation("新闻详情")
+    public AjaxResult getInfo(@PathVariable("newsId") Long newsId)
+    {
+        return AjaxResult.success(newsService.selectNewsByNewsId(newsId));
+    }
+
+    /**
+     * 新增新闻资讯
+     */
+    @PreAuthorize("@ss.hasPermi('iot:news:add')")
+    @Log(title = "新闻资讯", businessType = BusinessType.INSERT)
+    @PostMapping
+    @ApiOperation("添加新闻资讯")
+    public AjaxResult add(@RequestBody News news)
+    {
+        return toAjax(newsService.insertNews(news));
+    }
+
+    /**
+     * 修改新闻资讯
+     */
+    @PreAuthorize("@ss.hasPermi('iot:news:edit')")
+    @Log(title = "新闻资讯", businessType = BusinessType.UPDATE)
+    @PutMapping
+    @ApiOperation("修改新闻资讯")
+    public AjaxResult edit(@RequestBody News news)
+    {
+        return toAjax(newsService.updateNews(news));
+    }
+
+    /**
+     * 删除新闻资讯
+     */
+    @PreAuthorize("@ss.hasPermi('iot:news:remove')")
+    @Log(title = "新闻资讯", businessType = BusinessType.DELETE)
+	@DeleteMapping("/{newsIds}")
+    @ApiOperation("删除新闻资讯")
+    public AjaxResult remove(@PathVariable Long[] newsIds)
+    {
+        return toAjax(newsService.deleteNewsByNewsIds(newsIds));
+    }
+}

springboot/wumei-iot/src/main/java/com/ruoyi/iot/domain/News.java

@@ -0,0 +1,181 @@
+package com.ruoyi.iot.domain;
+
+import org.apache.commons.lang3.builder.ToStringBuilder;
+import org.apache.commons.lang3.builder.ToStringStyle;
+import com.ruoyi.common.annotation.Excel;
+import com.ruoyi.common.core.domain.BaseEntity;
+
+/**
+ * 新闻资讯对象 news
+ * 
+ * @author kerwincui
+ * @date 2022-04-09
+ */
+public class News extends BaseEntity
+{
+    private static final long serialVersionUID = 1L;
+
+    /** 新闻ID */
+    private Long newsId;
+
+    /** 标题 */
+    @Excel(name = "标题")
+    private String title;
+
+    /** 内容 */
+    @Excel(name = "内容")
+    private String content;
+
+    /** 图片 */
+    @Excel(name = "图片")
+    private String imgUrl;
+
+    /** 置顶 */
+    @Excel(name = "置顶")
+    private Integer isTop;
+
+    /** 广告 */
+    @Excel(name = "广告")
+    private Integer isBanner;
+
+    /** 分类ID */
+    @Excel(name = "分类ID")
+    private Long categoryId;
+
+    /** 分类名称 */
+    @Excel(name = "分类名称")
+    private String categoryName;
+
+    /** 发布 */
+    @Excel(name = "发布")
+    private Integer status;
+
+    /** 作者 */
+    @Excel(name = "作者")
+    private String author;
+
+    /** 删除标志（0代表存在 2代表删除） */
+    private String delFlag;
+
+    public void setNewsId(Long newsId) 
+    {
+        this.newsId = newsId;
+    }
+
+    public Long getNewsId() 
+    {
+        return newsId;
+    }
+    public void setTitle(String title) 
+    {
+        this.title = title;
+    }
+
+    public String getTitle() 
+    {
+        return title;
+    }
+    public void setContent(String content) 
+    {
+        this.content = content;
+    }
+
+    public String getContent() 
+    {
+        return content;
+    }
+    public void setImgUrl(String imgUrl) 
+    {
+        this.imgUrl = imgUrl;
+    }
+
+    public String getImgUrl() 
+    {
+        return imgUrl;
+    }
+    public void setIsTop(Integer isTop) 
+    {
+        this.isTop = isTop;
+    }
+
+    public Integer getIsTop() 
+    {
+        return isTop;
+    }
+    public void setIsBanner(Integer isBanner) 
+    {
+        this.isBanner = isBanner;
+    }
+
+    public Integer getIsBanner() 
+    {
+        return isBanner;
+    }
+    public void setCategoryId(Long categoryId) 
+    {
+        this.categoryId = categoryId;
+    }
+
+    public Long getCategoryId() 
+    {
+        return categoryId;
+    }
+    public void setCategoryName(String categoryName)
+    {
+        this.categoryName = categoryName;
+    }
+
+    public String getCategoryName()
+    {
+        return categoryName;
+    }
+    public void setStatus(Integer status) 
+    {
+        this.status = status;
+    }
+
+    public Integer getStatus() 
+    {
+        return status;
+    }
+    public void setAuthor(String author) 
+    {
+        this.author = author;
+    }
+
+    public String getAuthor() 
+    {
+        return author;
+    }
+    public void setDelFlag(String delFlag) 
+    {
+        this.delFlag = delFlag;
+    }
+
+    public String getDelFlag() 
+    {
+        return delFlag;
+    }
+
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this,ToStringStyle.MULTI_LINE_STYLE)
+            .append("newsId", getNewsId())
+            .append("title", getTitle())
+            .append("content", getContent())
+            .append("imgUrl", getImgUrl())
+            .append("isTop", getIsTop())
+            .append("isBanner", getIsBanner())
+            .append("categoryId", getCategoryId())
+            .append("categoryName", getCategoryName())
+            .append("status", getStatus())
+            .append("author", getAuthor())
+            .append("delFlag", getDelFlag())
+            .append("createBy", getCreateBy())
+            .append("createTime", getCreateTime())
+            .append("updateBy", getUpdateBy())
+            .append("updateTime", getUpdateTime())
+            .append("remark", getRemark())
+            .toString();
+    }
+}

springboot/wumei-iot/src/main/java/com/ruoyi/iot/domain/NewsCategory.java

@@ -0,0 +1,84 @@
+package com.ruoyi.iot.domain;
+
+import org.apache.commons.lang3.builder.ToStringBuilder;
+import org.apache.commons.lang3.builder.ToStringStyle;
+import com.ruoyi.common.annotation.Excel;
+import com.ruoyi.common.core.domain.BaseEntity;
+
+/**
+ * 新闻分类对象 news_category
+ * 
+ * @author kerwincui
+ * @date 2022-04-09
+ */
+public class NewsCategory extends BaseEntity
+{
+    private static final long serialVersionUID = 1L;
+
+    /** 分类ID */
+    @Excel(name = "分类ID")
+    private Long categoryId;
+
+    /** 分类名字 */
+    @Excel(name = "分类名字")
+    private String categoryName;
+
+    /** 显示顺序 */
+    @Excel(name = "显示顺序")
+    private Integer orderNum;
+
+    /** 删除标志（0代表存在 2代表删除） */
+    private String delFlag;
+
+    public void setCategoryId(Long categoryId) 
+    {
+        this.categoryId = categoryId;
+    }
+
+    public Long getCategoryId() 
+    {
+        return categoryId;
+    }
+    public void setCategoryName(String categoryName) 
+    {
+        this.categoryName = categoryName;
+    }
+
+    public String getCategoryName() 
+    {
+        return categoryName;
+    }
+    public void setOrderNum(Integer orderNum) 
+    {
+        this.orderNum = orderNum;
+    }
+
+    public Integer getOrderNum() 
+    {
+        return orderNum;
+    }
+    public void setDelFlag(String delFlag) 
+    {
+        this.delFlag = delFlag;
+    }
+
+    public String getDelFlag() 
+    {
+        return delFlag;
+    }
+
+    @Override
+    public String toString() {
+        return new ToStringBuilder(this,ToStringStyle.MULTI_LINE_STYLE)
+            .append("categoryId", getCategoryId())
+            .append("categoryName", getCategoryName())
+            .append("orderNum", getOrderNum())
+            .append("delFlag", getDelFlag())
+            .append("createBy", getCreateBy())
+            .append("createTime", getCreateTime())
+            .append("updateBy", getUpdateBy())
+            .append("updateTime", getUpdateTime())
+            .append("remark", getRemark())
+            .toString();
+    }
+}

springboot/wumei-iot/src/main/java/com/ruoyi/iot/mapper/NewsCategoryMapper.java

@@ -0,0 +1,69 @@
+package com.ruoyi.iot.mapper;
+
+import java.util.List;
+import com.ruoyi.iot.domain.NewsCategory;
+import com.ruoyi.iot.model.IdAndName;
+
+/**
+ * 新闻分类Mapper接口
+ * 
+ * @author kerwincui
+ * @date 2022-04-09
+ */
+public interface NewsCategoryMapper 
+{
+    /**
+     * 查询新闻分类
+     * 
+     * @param categoryId 新闻分类主键
+     * @return 新闻分类
+     */
+    public NewsCategory selectNewsCategoryByCategoryId(Long categoryId);
+
+    /**
+     * 查询新闻分类列表
+     * 
+     * @param newsCategory 新闻分类
+     * @return 新闻分类集合
+     */
+    public List<NewsCategory> selectNewsCategoryList(NewsCategory newsCategory);
+
+    /**
+     * 查询新闻分类简短列表
+     *
+     * @return 新闻分类集合
+     */
+    public List<IdAndName> selectNewsCategoryShortList();
+
+    /**
+     * 新增新闻分类
+     * 
+     * @param newsCategory 新闻分类
+     * @return 结果
+     */
+    public int insertNewsCategory(NewsCategory newsCategory);
+
+    /**
+     * 修改新闻分类
+     * 
+     * @param newsCategory 新闻分类
+     * @return 结果
+     */
+    public int updateNewsCategory(NewsCategory newsCategory);
+
+    /**
+     * 删除新闻分类
+     * 
+     * @param categoryId 新闻分类主键
+     * @return 结果
+     */
+    public int deleteNewsCategoryByCategoryId(Long categoryId);
+
+    /**
+     * 批量删除新闻分类
+     * 
+     * @param categoryIds 需要删除的数据主键集合
+     * @return 结果
+     */
+    public int deleteNewsCategoryByCategoryIds(Long[] categoryIds);
+}

springboot/wumei-iot/src/main/java/com/ruoyi/iot/mapper/NewsMapper.java

@@ -0,0 +1,61 @@
+package com.ruoyi.iot.mapper;
+
+import java.util.List;
+import com.ruoyi.iot.domain.News;
+
+/**
+ * 新闻资讯Mapper接口
+ * 
+ * @author kerwincui
+ * @date 2022-04-09
+ */
+public interface NewsMapper 
+{
+    /**
+     * 查询新闻资讯
+     * 
+     * @param newsId 新闻资讯主键
+     * @return 新闻资讯
+     */
+    public News selectNewsByNewsId(Long newsId);
+
+    /**
+     * 查询新闻资讯列表
+     * 
+     * @param news 新闻资讯
+     * @return 新闻资讯集合
+     */
+    public List<News> selectNewsList(News news);
+
+    /**
+     * 新增新闻资讯
+     * 
+     * @param news 新闻资讯
+     * @return 结果
+     */
+    public int insertNews(News news);
+
+    /**
+     * 修改新闻资讯
+     * 
+     * @param news 新闻资讯
+     * @return 结果
+     */
+    public int updateNews(News news);
+
+    /**
+     * 删除新闻资讯
+     * 
+     * @param newsId 新闻资讯主键
+     * @return 结果
+     */
+    public int deleteNewsByNewsId(Long newsId);
+
+    /**
+     * 批量删除新闻资讯
+     * 
+     * @param newsIds 需要删除的数据主键集合
+     * @return 结果
+     */
+    public int deleteNewsByNewsIds(Long[] newsIds);
+}

springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/INewsCategoryService.java

@@ -0,0 +1,69 @@
+package com.ruoyi.iot.service;
+
+import java.util.List;
+import com.ruoyi.iot.domain.NewsCategory;
+import com.ruoyi.iot.model.IdAndName;
+
+/**
+ * 新闻分类Service接口
+ * 
+ * @author kerwincui
+ * @date 2022-04-09
+ */
+public interface INewsCategoryService 
+{
+    /**
+     * 查询新闻分类
+     * 
+     * @param categoryId 新闻分类主键
+     * @return 新闻分类
+     */
+    public NewsCategory selectNewsCategoryByCategoryId(Long categoryId);
+
+    /**
+     * 查询新闻分类列表
+     * 
+     * @param newsCategory 新闻分类
+     * @return 新闻分类集合
+     */
+    public List<NewsCategory> selectNewsCategoryList(NewsCategory newsCategory);
+
+    /**
+     * 查询新闻分类简短列表
+     *
+     * @return 新闻分类集合
+     */
+    public List<IdAndName> selectNewsCategoryShortList();
+
+    /**
+     * 新增新闻分类
+     * 
+     * @param newsCategory 新闻分类
+     * @return 结果
+     */
+    public int insertNewsCategory(NewsCategory newsCategory);
+
+    /**
+     * 修改新闻分类
+     * 
+     * @param newsCategory 新闻分类
+     * @return 结果
+     */
+    public int updateNewsCategory(NewsCategory newsCategory);
+
+    /**
+     * 批量删除新闻分类
+     * 
+     * @param categoryIds 需要删除的新闻分类主键集合
+     * @return 结果
+     */
+    public int deleteNewsCategoryByCategoryIds(Long[] categoryIds);
+
+    /**
+     * 删除新闻分类信息
+     * 
+     * @param categoryId 新闻分类主键
+     * @return 结果
+     */
+    public int deleteNewsCategoryByCategoryId(Long categoryId);
+}

springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/INewsService.java

@@ -0,0 +1,61 @@
+package com.ruoyi.iot.service;
+
+import java.util.List;
+import com.ruoyi.iot.domain.News;
+
+/**
+ * 新闻资讯Service接口
+ * 
+ * @author kerwincui
+ * @date 2022-04-09
+ */
+public interface INewsService 
+{
+    /**
+     * 查询新闻资讯
+     * 
+     * @param newsId 新闻资讯主键
+     * @return 新闻资讯
+     */
+    public News selectNewsByNewsId(Long newsId);
+
+    /**
+     * 查询新闻资讯列表
+     * 
+     * @param news 新闻资讯
+     * @return 新闻资讯集合
+     */
+    public List<News> selectNewsList(News news);
+
+    /**
+     * 新增新闻资讯
+     * 
+     * @param news 新闻资讯
+     * @return 结果
+     */
+    public int insertNews(News news);
+
+    /**
+     * 修改新闻资讯
+     * 
+     * @param news 新闻资讯
+     * @return 结果
+     */
+    public int updateNews(News news);
+
+    /**
+     * 批量删除新闻资讯
+     * 
+     * @param newsIds 需要删除的新闻资讯主键集合
+     * @return 结果
+     */
+    public int deleteNewsByNewsIds(Long[] newsIds);
+
+    /**
+     * 删除新闻资讯信息
+     * 
+     * @param newsId 新闻资讯主键
+     * @return 结果
+     */
+    public int deleteNewsByNewsId(Long newsId);
+}

springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/NewsCategoryServiceImpl.java

@@ -0,0 +1,108 @@
+package com.ruoyi.iot.service.impl;
+
+import java.util.List;
+import com.ruoyi.common.utils.DateUtils;
+import com.ruoyi.iot.model.IdAndName;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import com.ruoyi.iot.mapper.NewsCategoryMapper;
+import com.ruoyi.iot.domain.NewsCategory;
+import com.ruoyi.iot.service.INewsCategoryService;
+
+/**
+ * 新闻分类Service业务层处理
+ * 
+ * @author kerwincui
+ * @date 2022-04-09
+ */
+@Service
+public class NewsCategoryServiceImpl implements INewsCategoryService 
+{
+    @Autowired
+    private NewsCategoryMapper newsCategoryMapper;
+
+    /**
+     * 查询新闻分类
+     * 
+     * @param categoryId 新闻分类主键
+     * @return 新闻分类
+     */
+    @Override
+    public NewsCategory selectNewsCategoryByCategoryId(Long categoryId)
+    {
+        return newsCategoryMapper.selectNewsCategoryByCategoryId(categoryId);
+    }
+
+    /**
+     * 查询新闻分类列表
+     * 
+     * @param newsCategory 新闻分类
+     * @return 新闻分类
+     */
+    @Override
+    public List<NewsCategory> selectNewsCategoryList(NewsCategory newsCategory)
+    {
+        return newsCategoryMapper.selectNewsCategoryList(newsCategory);
+    }
+
+    /**
+     * 查询新闻分类简短列表
+     *
+     * @return 新闻分类
+     */
+    @Override
+    public List<IdAndName> selectNewsCategoryShortList()
+    {
+        return newsCategoryMapper.selectNewsCategoryShortList();
+    }
+
+    /**
+     * 新增新闻分类
+     * 
+     * @param newsCategory 新闻分类
+     * @return 结果
+     */
+    @Override
+    public int insertNewsCategory(NewsCategory newsCategory)
+    {
+        newsCategory.setCreateTime(DateUtils.getNowDate());
+        return newsCategoryMapper.insertNewsCategory(newsCategory);
+    }
+
+    /**
+     * 修改新闻分类
+     * 
+     * @param newsCategory 新闻分类
+     * @return 结果
+     */
+    @Override
+    public int updateNewsCategory(NewsCategory newsCategory)
+    {
+        newsCategory.setUpdateTime(DateUtils.getNowDate());
+        return newsCategoryMapper.updateNewsCategory(newsCategory);
+    }
+
+    /**
+     * 批量删除新闻分类
+     * 
+     * @param categoryIds 需要删除的新闻分类主键
+     * @return 结果
+     */
+    @Override
+    public int deleteNewsCategoryByCategoryIds(Long[] categoryIds)
+    {
+        return newsCategoryMapper.deleteNewsCategoryByCategoryIds(categoryIds);
+    }
+
+    /**
+     * 删除新闻分类信息
+     * 
+     * @param categoryId 新闻分类主键
+     * @return 结果
+     */
+    @Override
+    public int deleteNewsCategoryByCategoryId(Long categoryId)
+    {
+        return newsCategoryMapper.deleteNewsCategoryByCategoryId(categoryId);
+    }
+}

springboot/wumei-iot/src/main/java/com/ruoyi/iot/service/impl/NewsServiceImpl.java

@@ -0,0 +1,96 @@
+package com.ruoyi.iot.service.impl;
+
+import java.util.List;
+import com.ruoyi.common.utils.DateUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import com.ruoyi.iot.mapper.NewsMapper;
+import com.ruoyi.iot.domain.News;
+import com.ruoyi.iot.service.INewsService;
+
+/**
+ * 新闻资讯Service业务层处理
+ * 
+ * @author kerwincui
+ * @date 2022-04-09
+ */
+@Service
+public class NewsServiceImpl implements INewsService 
+{
+    @Autowired
+    private NewsMapper newsMapper;
+
+    /**
+     * 查询新闻资讯
+     * 
+     * @param newsId 新闻资讯主键
+     * @return 新闻资讯
+     */
+    @Override
+    public News selectNewsByNewsId(Long newsId)
+    {
+        return newsMapper.selectNewsByNewsId(newsId);
+    }
+
+    /**
+     * 查询新闻资讯列表
+     * 
+     * @param news 新闻资讯
+     * @return 新闻资讯
+     */
+    @Override
+    public List<News> selectNewsList(News news)
+    {
+        return newsMapper.selectNewsList(news);
+    }
+
+    /**
+     * 新增新闻资讯
+     * 
+     * @param news 新闻资讯
+     * @return 结果
+     */
+    @Override
+    public int insertNews(News news)
+    {
+        news.setCreateTime(DateUtils.getNowDate());
+        return newsMapper.insertNews(news);
+    }
+
+    /**
+     * 修改新闻资讯
+     * 
+     * @param news 新闻资讯
+     * @return 结果
+     */
+    @Override
+    public int updateNews(News news)
+    {
+        news.setUpdateTime(DateUtils.getNowDate());
+        return newsMapper.updateNews(news);
+    }
+
+    /**
+     * 批量删除新闻资讯
+     * 
+     * @param newsIds 需要删除的新闻资讯主键
+     * @return 结果
+     */
+    @Override
+    public int deleteNewsByNewsIds(Long[] newsIds)
+    {
+        return newsMapper.deleteNewsByNewsIds(newsIds);
+    }
+
+    /**
+     * 删除新闻资讯信息
+     * 
+     * @param newsId 新闻资讯主键
+     * @return 结果
+     */
+    @Override
+    public int deleteNewsByNewsId(Long newsId)
+    {
+        return newsMapper.deleteNewsByNewsId(newsId);
+    }
+}