public async Task <IActionResult> EditNews(News news, List <IFormFile> files)
{
if (ModelState.IsValid)
{
News item = await _dbContext.News.Include(p => p.Images).SingleOrDefaultAsync(p => p.Id == news.Id);
//修改新闻信息
if (item != null)
{
if (files.Count() > 0)
{
news.Images = new List <NewsImage>();
foreach (var f in files)
{
news.Images.Add(new NewsImage {
Url = f.FileName, NewsId = news.Id, MimeType = f.ContentType
});
}
}
//上传的图片文件夹路径
string upPath = Path.Combine(_env.WebRootPath, "images");
//原图片路径
List <string> paths = new List <string>();
foreach (string i in await GetImageUrl(item.Id))
{
paths.Add(Path.Combine(_env.WebRootPath, i));
}
//删除原图片并上传新图片
MyFile.Remove(paths);
MyFile.Up(upPath, files).Wait();
//保存修改后的新闻信息
item.CopyFrom(news);
await _dbContext.SaveChangesAsync();
TempData["Message"] = "编辑成功!";
return(RedirectToAction("Index"));
}
}
return(View(news));
}