private bool BeforeUpload(UploadFileItem file)
{
var isJpgOrPng = file.Type == "image/jpeg" || file.Type == "image/png";
if (!isJpgOrPng)
{
MessageService.Error("You can only upload JPG/PNG file!");
}
var isLt2M = file.Size / 1024 / 1024 < 2;
if (!isLt2M)
{
MessageService.Error("Image must smaller than 2MB!");
}
return(isJpgOrPng && isLt2M);
}
private static void UploadFileTaskProcess(UploadTask uploadTask)
{
ThreadPool.QueueUserWorkItem((o) =>
{
try
{
UploadFileItem uploadFileItem = new UploadFileItem(uploadTask);
uploadFileItem.Upload();
}
catch (Exception ex)
{
System.Threading.Monitor.Enter(_UploadingIDs);
if (_UploadingIDs.Contains(uploadTask.UniqueID))
{
_UploadingIDs.Remove(uploadTask.UniqueID);
}
System.Threading.Monitor.Exit(_UploadingIDs);
_logger.Error("UploadFile error:" + ex.ToString());
}
});
}
public void Uploader(string token)
{
QueryDataCollection queryData = new QueryDataCollection(Request["queryData"]);
HttpPostedFileBase file=null;
if (Request.Files.Count > 0)
{
file = Request.Files[0];
}
else if (Request.InputStream.Length > 0)
{
string fileName= Server.UrlDecode(Request.Headers["fileName"]);
file = new HttpPostedFileFromRequest(fileName, Request.ContentType, Request.InputStream);
}
UploadFileItem uploadItem = new UploadFileItem();
//UserServiceClient userclient = new UserServiceClient();
token = token ?? CurrentToken;
//var logined = userclient.CheckLogin(token);
//userclient.Close();
//userclient = null;
//if (!logined.Data)
//{
// uploadItem.Saved = false;
// uploadItem.Msg = "登录后方可上传文件!";
//}
if (file != null)
{
string extention = file.FileName.Substring(file.FileName.LastIndexOf('.')).ToLower();
uploadItem.Saved = true;
if (file.ContentLength > 1024 * 2 * 1024)
{
uploadItem.Saved = false;
uploadItem.Msg = "请上传2M以下大小图片!";
}
if (".jpg;.bmp;.gif;.png;.jpeg".IndexOf(extention) < 0)
{
uploadItem.Saved = false;
uploadItem.Msg = "上传图片格式必须为.jpg;.bmp;.gif;.png;.jpeg!";
}
System.Drawing.Image upImage = null;
try
{
upImage = System.Drawing.Image.FromStream(file.InputStream);
}
catch (Exception ex)
{
uploadItem.Saved = false;
uploadItem.Msg = "图片识别失败!" + ex.Message;
}
if (uploadItem.Saved)
{
try
{
MemoryStream ms = new MemoryStream();
byte[] fileByteArray = null;
upImage.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
fileByteArray = ms.GetBuffer();
FileServiceClient client = new FileServiceClient();
AdvancedResult<ResPic> response = client.UploadPic(fileByteArray, upImage.Height, upImage.Width, token);
//string type = Request["type"] ?? queryData["type"];
//switch (type)
//{
// case "g":
// response = client.UploadBBPic(fileByteArray, upImage.Height, upImage.Width, CurrentToken);
// break;
// case "h":
// response = client.UploadUserImage(fileByteArray, upImage.Height, upImage.Width, CurrentToken);
// break;
// case "b":
// response = client.UploadPic(fileByteArray, upImage.Height, upImage.Width, CurrentToken);
// break;
// default:
// response = new AdvancedResult<ResPic>();
// response.Error = DataStructure.AppError.ERROR_FAILED;
// response.ExMessage = "上传失败,不明确的图片使用类型！";
// break;
//}
if (response.Error == DataStructure.AppError.ERROR_SUCCESS)
{
uploadItem.PicId = response.Data.PicId;
uploadItem.Pic = new PicModel().Bind(response.Data);
int maxWidth = 0;
int maxHeight = 0;
string width = Request["width"] ?? queryData["width"] ?? "";
string height = Request["height"] ?? queryData["height"] ?? "";
if (int.TryParse(width, out maxWidth) && int.TryParse(height, out maxHeight))
{
uploadItem.Pic.DisplaySeting(maxWidth, maxHeight);
}
}
else
{
uploadItem.Saved = false;
uploadItem.Msg = response.ExMessage ?? "保存图片失败!请稍后再试！";
}
}
catch (Exception ex)
{
uploadItem.Saved = false;
uploadItem.Msg = "保存图片失败!" + ex.Message;
}
}
}
else
{
uploadItem.Saved = false;
uploadItem.Msg = "上传文件为空!";
}
Response.ContentType = "text/html; charset=utf-8";
Response.AppendHeader("Cache-Control", "no-cache");
Response.Write(JsonHelper.Serialize(uploadItem));
}
private UploadFileItem CreateUploadFileItem(string fileKey)
{
var item = new UploadFileItem();
var extension = Path.GetExtension(fileKey);
if (extension != null)
{
var ext = extension.ToLower();
item.FileKey = fileKey;
item.Name = Path.GetFileName(fileKey);
item.FileType = (ext == ".jpg" || ext == ".gif" || ext == ".png" || ext == ".bmp") ? UploadFileType.Graphic : UploadFileType.Flash;
}
item.Url = _hostUrl + fileKey;
return item;
}
