public async Task <IActionResult> Upload(FileUploadDto dto)
{
ResposeResult result = new ResposeResult();
if (dto.Type == 0)
{
return(Ok(result));
}
FileModel fileModel = new FileModel();
string filePath = string.Empty;
string webRootPath = _webHostEnvironment.WebRootPath; //获取wwwroot文件夹
string fileDir = $"{webRootPath}/upload/{DateTime.Now.ToShortDateString()}"; //文件目录 E:/upload/2020-06-20/
try
{
if (!Directory.Exists(fileDir))
{
Directory.CreateDirectory(fileDir);
}
if (dto.Type == 1)
{
IFormFile file = dto.File;
string fileExt = Path.GetExtension(file.FileName); //文件扩展名，不含“.”
if (string.IsNullOrEmpty(fileExt))
{
result.Msg = "找不到文件扩展名";
return(Ok(result));
}
string newFileName = System.Guid.NewGuid().ToString() + "." + fileExt; //随机生成新的文件名
filePath = $"{fileDir}/{newFileName}"; //文件路径
//通过文件流的方式保存文件
using (var stream = new FileStream(filePath, FileMode.Create))
{
await file.CopyToAsync(stream);
}
}
else if (dto.Type == 2)
{
Stream fromFile = await HttpClientHelp.Download(dto.Url, HttpMethod.Get);
string fileExt = Path.GetExtension(dto.Url); //文件扩展名
if (string.IsNullOrEmpty(fileExt))
{
fileExt = "jpg";
//result.Msg = "找不到文件扩展名";
//return Ok(result);
}
string newFileName = System.Guid.NewGuid().ToString() + fileExt; //随机生成新的文件名
//已追加的方式 写入文件流
filePath = $"{fileDir}/{newFileName}";//文件路径
FileHelp.CopyFile(fromFile, filePath, 1024 * 1024);
}
}
catch (Exception e)
{
if (System.IO.File.Exists(filePath))
{
System.IO.File.Delete(filePath);
}
result.Msg = e.Message;
return(Ok(result));
}
result.IsSuccess = true;
result.Code = HttpStatusCode.Created;
fileModel.AbsolutePath = filePath;
fileModel.VirtualPath = filePath.Replace(webRootPath, "");
result.Data = fileModel;
return(Ok(result));
}