/// <summary>
/// 根据Id查询新闻
/// </summary>
/// <param name="NewsId"></param>
/// <returns></returns>
public ResponseModel GetNewsOne(long NewsId)
{
if (NewsId <= 0)
{
return new ResponseModel {
Code = 0, Msg = "数据不正确"
}
}
;
Model.Entity.News dbNews = _context.News.Include("NewsClassify").FirstOrDefault(x => x.Id == NewsId);
if (dbNews == null)
{
return new ResponseModel {
Code = 0, Msg = "数据不正确"
}
}
;
var Newss = _context.News.ToList();
var responseModel = new ResponseModel {
Code = 200, Msg = "新闻查询成功", Data = dbNews
};
return(responseModel);
}
/// <summary>
/// 更新新闻
/// </summary>
/// <param name="News"></param>
/// <returns></returns>
public ResponseModel EditNews(Model.Request.EditNews news)
{
if (news == null || news.Id <= 0 || news.NewsClassifyId <= 0 || news.Sort <= 0 || string.IsNullOrWhiteSpace(news.Title) || string.IsNullOrWhiteSpace(news.Content) || string.IsNullOrWhiteSpace(news.Image))
{
return new ResponseModel {
Code = 0, Msg = "数据不正确"
}
}
;
Model.Entity.News dbNews = _context.News.Find(news.Id);
if (dbNews == null)
{
return new ResponseModel {
Code = 0, Msg = "数据不正确"
}
}
;
dbNews.Title = news.Title;
dbNews.Content = news.Content;
dbNews.Image = news.Image;
dbNews.Sort = news.Sort;
dbNews.NewsClassifyId = news.NewsClassifyId;
dbNews.PreviousUpdateTime = dbNews.LastUpdateTime;
dbNews.LastUpdateTime = DateTime.Now;
_context.News.Update(dbNews);
int count = _context.SaveChanges();
if (count > 0)
{
return new ResponseModel {
Code = 200, Msg = "新闻编辑成功"
}
}
;
else
{
return new ResponseModel {
Code = 0, Msg = "新闻编辑失败"
}
};
}
/// <summary>
/// 新增新闻
/// </summary>
/// <param name="News"></param>
/// <returns></returns>
public ResponseModel AddNews(Model.Request.AddNews news)
{
if (news == null || news.NewsClassifyId <= 0 || news.Sort <= 0 || string.IsNullOrWhiteSpace(news.Title) || string.IsNullOrWhiteSpace(news.Content) || string.IsNullOrWhiteSpace(news.Image))
{
return new ResponseModel {
Code = 0, Msg = "数据不正确"
}
}
;
Model.Entity.News dbNews = new Model.Entity.News()
{
Title = news.Title,
Content = news.Content,
Image = news.Image,
Sort = news.Sort,
NewsClassifyId = news.NewsClassifyId,
Createtime = DateTime.Now,
LastUpdateTime = DateTime.Now
};
_context.News.Add(dbNews);
int count = _context.SaveChanges();
if (count > 0)
{
return new ResponseModel {
Code = 200, Msg = "新闻添加成功"
}
}
;
else
{
return new ResponseModel {
Code = 0, Msg = "新闻添加失败"
}
};
}
/// <summary>
/// 删除新闻
/// </summary>
/// <param name="NewsId"></param>
/// <returns></returns>
public ResponseModel DeleteNews(long NewsId)
{
if (NewsId <= 0)
{
return new ResponseModel {
Code = 0, Msg = "数据不正确"
}
}
;
Model.Entity.News dbNews = _context.News.Find(NewsId);
if (dbNews == null)
{
return new ResponseModel {
Code = 0, Msg = "数据不正确"
}
}
;
_context.News.Remove(dbNews);
int count = _context.SaveChanges();
if (count > 0)
{
return new ResponseModel {
Code = 200, Msg = "新闻删除成功"
}
}
;
else
{
return new ResponseModel {
Code = 0, Msg = "新闻删除失败"
}
};
}
