public async Task <JsonResult> AddBanner(AddBanner banner, IFormCollection collection)
{
var files = collection.Files;
if (files.Count > 0)
{
var webRootPath = _host.WebRootPath;
string relativeDirPath = "\\BannerPic";
string absolutePath = webRootPath + relativeDirPath;
string[] fileTypes = new string[] { ".gif", ".jpg", ".jpeg", ".png", ".bmp" };
string extension = Path.GetExtension(files[0].FileName);
if (fileTypes.Contains(extension.ToLower()))
{
if (!Directory.Exists(absolutePath))
{
Directory.CreateDirectory(absolutePath);
}
string fileName = DateTime.Now.ToString("yyyyMMddHHmmss") + extension;
var filePath = absolutePath + "\\" + fileName;
using (var stream = new FileStream(filePath, FileMode.Create))
{
await files[0].CopyToAsync(stream);
}
banner.Image = "/BannerPic/" + fileName;
return(Json(_bannerService.AddBanner(banner)));
}
return(Json(new ResponseModel {
code = 0, result = "图片格式有误"
}));
}
return(Json(new ResponseModel {
code = 0, result = "请上传图片文件"
}));
}
public JsonResult Upload()
{
for (int i = 0; i < Request.Files.Count; i++)
{
HttpPostedFileBase file = Request.Files[i]; //Uploaded file
int fileSize = file.ContentLength;
string fileName = file.FileName;
string mimeType = file.ContentType;
System.IO.Stream fileContent = file.InputStream;
//To save file, use SaveAs method
file.SaveAs(Server.MapPath("~/Images/Banners/") + fileName);
int order = 0;
var allBanners = BannerService.GetAllBanners();
if (allBanners != null && allBanners.Any())
{
order = allBanners.Count;
}
BannerService.AddBanner(new Banner
{
FileName = fileName,
ShowOrder = order + 1,
Status = false
});
}
return(Json("Uploaded " + Request.Files.Count + " files"));
}
public async Task <JsonResult> AddBanner(AddBannerDto dto, IFormFile uploadFile)
{
if (uploadFile == null)
{
return(Json(new ResponseModel {
Code = 0, Result = "请上传图片！"
}));
}
var webRootPath = _hostEnvironment.ContentRootPath;
var relativeDirPath = "UploadFiles\\BannerPic";
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/BannerPic/", fileName);
return(Json(_bannerService.AddBanner(dto)));
}