public UploadResult Upload(UploadConfig config)
{
UploadResult Result = new UploadResult() { State = UploadState.Unknown };
byte[] uploadFileBytes = null;
string uploadFileName = null;
string fileExt = null;
if (config.Base64)
{
uploadFileName = config.Base64Filename;
fileExt = ".png";
uploadFileBytes = Convert.FromBase64String(Request[config.UploadFieldName]);
}
else
{
var file = Request.Files[0];
uploadFileName = file.FileName;
fileExt = Path.GetExtension(uploadFileName).ToLower();
if (!config.AllowExtensions.Contains(fileExt))
{
Result.State = UploadState.TypeNotAllow;
return Result;
}
if (file.ContentLength > config.SizeLimit)
{
Result.State = UploadState.SizeLimitExceed;
return Result;
}
uploadFileBytes = new byte[file.ContentLength];
try
{
file.InputStream.Read(uploadFileBytes, 0, file.ContentLength);
}
catch (Exception)
{
Result.State = UploadState.NetworkError;
return Result;
}
}
Result.OriginFileName = uploadFileName;
var savePath = config.PathFormat + DateTime.Now.ToString("yyyy/MM/");
savePath += Guid.NewGuid() + fileExt;
var localPath = Server.MapPath(savePath);
try
{
if (!Directory.Exists(Path.GetDirectoryName(localPath)))
{
Directory.CreateDirectory(Path.GetDirectoryName(localPath));
}
File.WriteAllBytes(localPath, uploadFileBytes);
Result.Url = savePath;
Result.State = UploadState.Success;
}
catch (Exception e)
{
Result.State = UploadState.FileAccessError;
Result.ErrorMessage = e.Message;
}
return Result;
}
/// <summary>
/// 使用参数上传图片
/// </summary>
/// <param name="config">配置</param>
/// <param name="defaultQuality">默认图片质量（1-100）</param>
/// <param name="t">图片处理方式</param>
/// <param name="width">宽</param>
/// <param name="height">高</param>
/// <returns></returns>
public UploadResult UseAttrUploadImage(UploadConfig config, int defaultQuality, CutImageType t = CutImageType.Original, int width = 0, int height = 0)
{
UploadResult Result = new UploadResult() { State = UploadState.Unknown };
byte[] uploadFileBytes = null;
string uploadFileName = null;
string fileExt = null;
if (config.Base64)
{
uploadFileName = config.Base64Filename;
fileExt = ".png";
uploadFileBytes = Convert.FromBase64String(Request[config.UploadFieldName]);
}
else
{
var file = Request.Files[0];
uploadFileName = file.FileName;
fileExt = Path.GetExtension(uploadFileName).ToLower();
if (!config.AllowExtensions.Contains(fileExt))
{
Result.State = UploadState.TypeNotAllow;
return Result;
}
if (file.ContentLength > config.SizeLimit)
{
Result.State = UploadState.SizeLimitExceed;
return Result;
}
try
{
int q = file.ContentLength/1024/1024 > 0.5 ? defaultQuality : 100;
switch (t)
{
case CutImageType.Thumbnail:
{
uploadFileBytes = SunImage.GetImgThumbnail(file.InputStream, width, q, fileExt).GetBuffer();
}; break;
case CutImageType.CutForCustom:
{
uploadFileBytes = SunImage.CutForCustom(file.InputStream, width, height, q, fileExt).GetBuffer();
}; break;
case CutImageType.CutForSquare:
{
uploadFileBytes = SunImage.CutForSquare(file.InputStream, width, q, fileExt).GetBuffer();
}; break;
default:
{
if (q != 100)
uploadFileBytes = SunImage.ImgReduce(file.InputStream, q, fileExt).GetBuffer();
else
{
uploadFileBytes = new byte[file.ContentLength];
file.InputStream.Read(uploadFileBytes, 0, file.ContentLength);
}
}; break;
}
}
catch (Exception)
{
Result.State = UploadState.NetworkError;
return Result;
}
}
Result.OriginFileName = uploadFileName;
var savePath = config.PathFormat + DateTime.Now.ToString("yyyy/MM/");
savePath += Guid.NewGuid() + fileExt;
var localPath = Server.MapPath(savePath);
try
{
if (!Directory.Exists(Path.GetDirectoryName(localPath)))
{
Directory.CreateDirectory(Path.GetDirectoryName(localPath));
}
File.WriteAllBytes(localPath, uploadFileBytes);
Result.Url = savePath;
Result.State = UploadState.Success;
}
catch (Exception e)
{
Result.State = UploadState.FileAccessError;
Result.ErrorMessage = e.Message;
}
return Result;
}
