private byte[] GetImageBytesFromFilePath(string fileName)
{
byte[] content = null;
string filePath = ImageUploadHelper.GetUploadRootPath(this.RootPathName) + "Temp\\" + fileName;
if (File.Exists(filePath))
{
using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
content = fs.ToBytes();
}
}
return(content);
}
private void UploadImage()
{
const int FileTooLargeError = -2147467259;
ObjectContextCache.Instance["FileUploadProcessed"] = true;
HttpRequest request = HttpContext.Current.Request;
HttpResponse response = HttpContext.Current.Response;
string lockID = WebUtility.GetRequestQueryValue <string>("lockID", string.Empty);
string userID = WebUtility.GetRequestQueryValue <string>("userID", string.Empty);
string fileName = WebUtility.GetRequestQueryValue <string>("fileName", string.Empty);
int fileMaxSize = WebUtility.GetRequestQueryValue <int>("fileMaxSize", 0);
string controlID = WebUtility.GetRequestQueryValue("controlID", string.Empty);
ExceptionHelper.CheckStringIsNullOrEmpty(fileName, "fileName");
try
{
if (fileMaxSize > 0 && request.ContentLength > fileMaxSize)
{
GenerateErrorInformation(string.Format("文件超过了上传大小的限制{0}字节", fileMaxSize));
}
else
{
//不检查锁，沈峥修改
//CheckLock(lockID, userID);
string uploadPath = ImageUploadHelper.GetUploadRootPath(this.RootPathName);
AutoCreateUploadPath(uploadPath);
string newID = UuidHelper.NewUuidString();
fileName = newID + fileName.Substring(fileName.LastIndexOf('.'));
if (WebUtility.GetRequestQueryString("upmethod", "") == "new")
{
var dialogControlID = WebUtility.GetRequestQueryValue("dialogControlID", string.Empty);
request.Files[0].SaveAs(uploadPath + @"Temp\" + fileName);
string output = "<script type='text/javascript'>";
output += "window.parent.$find('" + dialogControlID + "').onUploadFinish(1)";
output += "</script>";
response.Write(output);
}
else if (WebUtility.GetRequestQueryString("upmethod", "") == "ue")
{
request.Files[0].SaveAs(uploadPath + @"Temp\" + fileName);
string output = "<script type='text/javascript'>";
output += string.Format("window.parent.onUploadFinish('{0}','{1}')", newID, fileName);
output += "</script>";
response.Write(output);
}
else
{
request.SaveAs(uploadPath + @"Temp\" + fileName, false);
}
string fileIconPath = FileConfigHelper.GetFileIconPath(fileName);
response.AppendHeader("fileIconPath", HttpUtility.UrlEncode("message=" + fileIconPath));
string dateTimeNow = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff");
response.AppendHeader("lastUploadTag", "message=" + dateTimeNow);
response.AppendHeader("newMaterialID", "message=" + HttpUtility.UrlEncode(newID));
}
}
catch (Exception ex)
{
string errorMessage = ex.Message;
if (ex is ExternalException && ((ExternalException)(ex)).ErrorCode == FileTooLargeError &&
ex.Source == "System.Web")
{
errorMessage = "您上传的文件过大";
}
GenerateErrorInformation(errorMessage);
}
finally
{
try
{
response.End();
}
catch { }
}
}