public IActionResult UploadFormFile(IFormFile file)
{
if (file == null)
{
throw new HttpBadRequestException("请将Content-Type设置application/x-www-form-urlencoded,然后在formData的file附上图标文件");
}
string iconExt = "";
Microsoft.Extensions.Primitives.StringValues headerVar;
Request.Headers.TryGetValue("fileExt", out headerVar); if (headerVar.Count > 0)
{
iconExt = headerVar[0].Trim();
}
if (string.IsNullOrWhiteSpace(iconExt))
{
throw new HttpBadRequestException("请在Headers上添加fileExt标识icon的扩展名");
}
iconExt = iconExt.Replace(".", string.Empty);
//先把文件保存到临时文件夹,计算md5
var tmpPath = Path.Combine(tmpFileFolder, $"{Guid.NewGuid()}.{iconExt}");
using (FileStream fs = System.IO.File.Create(tmpPath))
{
file.CopyTo(fs);
// 清空缓冲区数据
fs.Flush();
}
var md5 = MD5Gen.CalcFile(tmpPath);
var fileName = $"{md5}.{iconExt}";
var iconPath = Path.Combine(iconFolder, fileName);
//如果文件不存在资源文件夹,拷贝存储
if (!System.IO.File.Exists(iconPath))
{
System.IO.File.Copy(tmpPath, iconPath);
}
//为文件生成缩略图标
ImageThumbnailCreator.SaveImageThumbnails(iconPath);
//删除临时文件
if (System.IO.File.Exists(tmpPath))
{
System.IO.File.Delete(tmpPath);
}
return(Ok($"/{OSSConst.AppRouteArea}/{OSSConst.IconFolder}/{fileName}"));
}
public async Task <IActionResult> UploadFormFile(IFormFile file)
{
if (file == null)
{
return(BadRequest());
}
var command = new FileCreateCommand(Request.Headers);
//先把文件保存到临时文件夹,计算md5
var tmpPath = Path.Combine(tmpFileFolder, $"{Guid.NewGuid()}.{command.FileExt}");
using (FileStream fs = System.IO.File.Create(tmpPath))
{
file.CopyTo(fs);
// 清空缓冲区数据
fs.Flush();
}
var finfo = new FileInfo(tmpPath);
command.MD5 = MD5Gen.CalcFile(tmpPath);
command.Size = finfo.Length;
var filePath = Path.Combine(clientAssetFolder, $"{command.MD5}.{command.FileExt}");
//如果文件不存在资源文件夹,拷贝存储
if (!System.IO.File.Exists(filePath))
{
System.IO.File.Copy(tmpPath, filePath);
}
//删除临时文件
if (System.IO.File.Exists(tmpPath))
{
System.IO.File.Delete(tmpPath);
}
if (string.IsNullOrWhiteSpace(command.Name))
{
command.Name = command.MD5;
}
command.Size = new FileInfo(filePath).Length;
var id = await _mediator.Send(command);
return(await Get(id));
}
public IActionResult UploadStreamFile()
{
string assetExt = "";
Microsoft.Extensions.Primitives.StringValues headerVar;
Request.Headers.TryGetValue("fileExt", out headerVar); if (headerVar.Count > 0)
{
assetExt = headerVar[0].Trim();
}
if (string.IsNullOrWhiteSpace(assetExt))
{
throw new HttpBadRequestException("请在Headers上添加fileExt标识Asset的扩展名");
}
assetExt = assetExt.Replace(".", string.Empty);
//先把文件保存到临时文件夹,计算md5
var tmpPath = Path.Combine(tmpFileFolder, $"{Guid.NewGuid()}.{assetExt}");
using (FileStream fs = System.IO.File.Create(tmpPath))
{
HttpContext.Request.Body.CopyTo(fs);
// 清空缓冲区数据
fs.Flush();
}
var md5 = MD5Gen.CalcFile(tmpPath);
var fileName = $"{md5}.{assetExt}";
var iconPath = Path.Combine(srcClientAssetFolder, fileName);
//如果文件不存在资源文件夹,拷贝存储
if (!System.IO.File.Exists(iconPath))
{
System.IO.File.Copy(tmpPath, iconPath);
}
//删除临时文件
if (System.IO.File.Exists(tmpPath))
{
System.IO.File.Delete(tmpPath);
}
return(Ok($"/{OSSConst.AppRouteArea}/{OSSConst.SrcClientAssetFolder}/{fileName}"));
}
