public async Task <IActionResult> UploadMulit(IFormCollection formCollection, CancellationToken cancellationToken)
{
FormFileCollection filelist = (FormFileCollection)formCollection.Files;
var param = new MultipleFileUploadParam()
{
Request = Request,
FormFiles = filelist.ToList(),
RootPath = Web.WebRootPath,
Module = "Test",
Group = "Logo"
};
var result = await _fileUploadService.UploadAsync(param, cancellationToken);
return(View(result));
}
/// <summary>
/// 上传文件。多文件
/// </summary>
/// <param name="param">参数</param>
/// <param name="cancellationToken">取消令牌</param>
public async Task <IEnumerable <FileInfo> > UploadAsync(MultipleFileUploadParam param, CancellationToken cancellationToken = default(CancellationToken))
{
if (param.FormFiles == null || !param.FormFiles.Any())
{
if (param.Request.Form.Files != null && param.Request.Form.Files.Any())
{
param.FormFiles = param.Request.Form.Files.ToList();
}
}
if (param.FormFiles == null || !param.FormFiles.Any())
{
throw new ArgumentNullException("请选择文件!");
}
var tasks = new List <Task <FileInfo> >();
foreach (var formFile in param.FormFiles)
{
tasks.Add(SaveAsync(formFile, param.RelativePath, param.RootPath, cancellationToken));
}
return(await Task.WhenAll(tasks));
}
