/// <summary>
/// 增加新闻数据
/// </summary>
/// <param name="dto"></param>
/// <returns></returns>
public ResponseModel AddNews(AddNewsDto dto)
{
var classify = this.GetOneNewsClassify(c => c.Id == dto.NewsClassifyId);
if (classify == null)
{
return new ResponseModel {
Code = 0, Result = "该类别不存在！"
}
}
;
var news = new News
{
Title = dto.Title,
Contents = dto.Contents,
Image = dto.Image,
NewsClassifyId = dto.NewsClassifyId,
PublishTime = DateTime.Now,
Remark = dto.Remark
};
_db.News.Add(news);
int i = _db.SaveChanges();
if (i > 0)
{
return new ResponseModel {
Code = 200, Result = "新闻添加成功！"
}
}
;
return(new ResponseModel {
Code = 0, Result = "新闻添加失败！"
});
}
public async Task <JsonResult> AddNews(AddNewsDto dto, IFormFile uploadFile)
{
if (dto.NewsClassifyId <= 0)
{
return(Json(new ResponseModel {
Code = 0, Result = "请选择新闻分类！"
}));
}
if (string.IsNullOrWhiteSpace(dto.Title))
{
return(Json(new ResponseModel {
Code = 0, Result = "请填写新闻标题！"
}));
}
if (string.IsNullOrEmpty(dto.Contents))
{
return(Json(new ResponseModel {
Code = 0, Result = "请输入新闻内容！"
}));
}
if (uploadFile != null)
{
var webRootPath = _hostEnvironment.ContentRootPath;
var relativeDirPath = "UploadFiles\\NewsPic";
var absolutePath = Path.Combine(webRootPath, relativeDirPath);
var fileTypes = new string[] { ".gif", ".jpg", ".jpeg", ".png", ".bmp" };
var extension = Path.GetExtension(uploadFile.FileName);
if (!fileTypes.Contains(extension.ToLower()))
{
return(Json(new ResponseModel {
Code = 0, Result = "图片格式有误！"
}));
}
if (!Directory.Exists(absolutePath))
{
Directory.CreateDirectory(absolutePath);
}
var fileName = DateTime.Now.ToString("yyyyMMddHHmmss") + extension;
var filePath = Path.Combine(absolutePath, fileName);
await using (var stream = new FileStream(filePath, FileMode.Create))
{
await uploadFile.CopyToAsync(stream);
}
dto.Image = Path.Combine("/UploadFiles/NewsPic/", fileName);
}
var result = _newsService.AddNews(dto);
return(Json(result));
}
