public async Task <IActionResult> AddNewBook(BookModel book)
{
if (book.CoverImage != null)
{
string folder = "imgs/userUploadImages";
string serverRootPath = _webHostEnvironment.WebRootPath;
string fileName = Guid.NewGuid().ToString() + "_" + book.CoverImage.FileName;
string serverFolderPath = Path.Combine(serverRootPath, folder, fileName);
await book.CoverImage.CopyToAsync(new FileStream(serverFolderPath, FileMode.Create));
//这是供前端使用的URL地址，在HTML中需要在图片地址前加上"/"
book.CoverImageUrl = "/" + Path.Combine(folder, fileName);
}
if (book.BookPdf != null)
{
string folder = "pdfs";
string serverRootPath = _webHostEnvironment.WebRootPath;
string fileName = Guid.NewGuid().ToString() + "_" + book.BookPdf.FileName;
string serverFolderPath = Path.Combine(serverRootPath, folder, fileName);
await book.BookPdf.CopyToAsync(new FileStream(serverFolderPath, FileMode.Create));
book.BookPdfUrl = "/" + Path.Combine(folder, fileName);
}
int id = _bookRepository.CreateABook(book);
if (id > 0)
{
return(RedirectToAction(nameof(AddNewBook), new { isSuccess = true, bookId = id }));
}
return(View());
//直接重定向到被创建的书记页面
//return RedirectToAction("BookDetail", new { id });
}