public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/json";
string ownerId = context.Request["OwnerId"];
string ArticleId = context.Request["ArticleId"];
var httpfile = context.Request.Files[0];
if (UploadFile.IsAboveLimit(httpfile.ContentLength, ownerId))
{
var AboveLimit = new
{
success = ConstHelper.Fail,
message = "上传失败,上传资源超过最大值限制！！"
};
context.Response.Write(JsonConvert.SerializeObject(AboveLimit));
return;
}
UploadFile upload = new UploadFile();
upload.Size = httpfile.ContentLength;
Image orgImage = Image.FromStream(httpfile.InputStream);
//保存原图到七牛
httpfile.InputStream.Position = 0;
string strImage = ConfigurationManager.AppSettings["Image"];
var Savefilename = string.Empty;
switch (strImage)
{
case "QiNue":
Savefilename = QiniuStorage.upload(httpfile, ownerId);
break;
case "Mongo":
Savefilename = MongoStorage.InsertFile(httpfile, ownerId, "Image");
break;
case "FileSystem":
Savefilename = FileSystemStorage.PutFile(httpfile, ownerId, "Image");
break;
}
string ThumbnailUrl = "/FileSystem/Thumbnail?filename=" + Savefilename;
string Thumbnail = ConfigurationManager.AppSettings["Thumbnail"];
if (httpfile.FileName.ToLower().EndsWith(".gif"))
{
//直接保存
switch (Thumbnail)
{
case "Mongo":
MongoStorage.InsertFile(httpfile, ownerId, "Thumbnail");
break;
case "FileSystem":
Savefilename = FileSystemStorage.PutFile(httpfile, ownerId, "Thumbnail");
break;
}
upload.SmallFileSize = upload.Size;
}
else
{
//这里是拉伸图片，将图片改为BMP（PDF和画面折衷后的决定）
var BitmapImage = ImageHelper.ResizeImage(System.Math.Min(800, orgImage.Width), orgImage.Height, ImageHelper.ResizeMode.W, orgImage);
//string Smallfilename = MongoStorage.InsertFile(httpfile, ownerId, "Bussiness");
//返回的名字以DefaultOwnerId开始
var SmallStream = StreamConvert.BytesToStream(StreamConvert.BitmapToBytes(BitmapImage, ImageFormat.Gif));
//保存有时间差，所以使用上一步保存时候的文件名称
//同时Stream关闭后无法获得长度，长度必须先写
upload.SmallFileSize = (int)SmallStream.Length;
switch (Thumbnail)
{
case "Mongo":
MongoStorage.InsertStreamWithFixFileName(SmallStream, Savefilename, "Thumbnail");
break;
case "FileSystem":
FileSystemStorage.InsertStreamWithFixFileName(SmallStream, Savefilename, "Thumbnail");
break;
}
}
upload.Name = Savefilename;
upload.ArticleID = ArticleId;
UploadFile.InsertUploadFile(upload, ownerId);
string strfree = UploadFile.GetFreeVolumnByAccountId(ownerId);
var result = new
{
success = ConstHelper.Success,
message = "上传成功,剩余图片空间：" + strfree,
url = ThumbnailUrl
};
string json = JsonConvert.SerializeObject(result);
context.Response.Write(json);
}