/// <summary>
/// 上传单个文件
/// </summary>
/// <param name="iFileModule"></param>
/// <param name="fileCollection"></param>
/// <returns></returns>
public async static Task <TData <string> > UploadFile(int iFileModule, IFormFileCollection files)
{
string dirModule = string.Empty;
TData <string> obj = new TData <string>();
if (files == null || files.Count == 0)
{
obj.Message = "请先选择文件！";
return(obj);
}
if (files.Count > 1)
{
obj.Message = "一次只能上传一个文件！";
return(obj);
}
var file = files[0];
switch (iFileModule)
{
case (int)UploadFileType.Portrait:
dirModule = UploadFileType.Portrait.ToString();
break;
case (int)UploadFileType.News:
dirModule = UploadFileType.News.ToString();
break;
case (int)UploadFileType.Cert:
if (file.Length > 5 * 1024 * 1024) // 5MB
{
obj.Message = "文件最大限制为 5MB";
return(obj);
}
dirModule = UploadFileType.Cert.ToString();
break;
case (int)UploadFileType.Paper:
dirModule = UploadFileType.Paper.ToString();
break;
default:
obj.Message = "请指定上传到的模块";
return(obj);
}
string fileExtension = CommonHelper.GetCustomValueWhenEmpty(Path.GetExtension(file.FileName), ".png");
string newFileName = SecurityHelper.GetGuid() + fileExtension;
string dir = "Resource" + Path.DirectorySeparatorChar + dirModule + Path.DirectorySeparatorChar + DateTime.Now.ToString("yyyy-MM-dd").Replace('-', Path.DirectorySeparatorChar) + Path.DirectorySeparatorChar;
string absoluteDir = Path.Combine(GlobalContext.HostingEnvironment.ContentRootPath, dir);
string absoluteFileName = string.Empty;
if (!Directory.Exists(absoluteDir))
{
Directory.CreateDirectory(absoluteDir);
}
absoluteFileName = absoluteDir + newFileName;
try
{
using (FileStream fs = File.Create(absoluteFileName))
{
await file.CopyToAsync(fs);
fs.Flush();
}
obj.Result = Path.AltDirectorySeparatorChar + ConvertDirectoryToHttp(dir) + newFileName;
obj.Message = Path.GetFileNameWithoutExtension(CommonHelper.GetCustomValueWhenEmpty(file.FileName, newFileName));
obj.Description = (file.Length / 1024).ToString(); // KB
obj.Tag = 1;
}
catch (Exception ex)
{
obj.Message = ex.Message;
}
return(obj);
}
