/// <summary>
/// 检测是否符合上传文件格式
/// </summary>
/// <param name="uploadConfig">配置信息</param>
/// <param name="filename">文件名字</param>
/// <returns></returns>
private bool CheckFileType(UeditorUploadConfig uploadConfig, string filename)
{
var fileExtension = Path.GetExtension(filename).ToLower();
var res = false;
foreach (var item in uploadConfig.AllowExtensions)
{
if (item == fileExtension)
{
res = true;
break;
}
}
return(res);
}
/// <summary>
/// 检测是否符合上传文件大小
/// </summary>
/// <param name="uploadConfig">配置信息</param>
/// <param name="size">文件大小</param>
/// <returns></returns>
private bool CheckFileSize(UeditorUploadConfig uploadConfig, int size)
{
return(size < uploadConfig.SizeLimit);
}
/// <summary>
/// 百度编辑器的文件上传
/// </summary>
/// <param name="uploadConfig">上传配置信息</param>
/// <returns></returns>
public ActionResult UEditorUpload(UeditorUploadConfig uploadConfig)
{
UeditorUploadResult result = new UeditorUploadResult()
{
State = UeditorUploadState.Unknown
};
byte[] uploadFileBytes = null;
string uploadFileName = null;
if (uploadConfig.Base64)
{
uploadFileName = uploadConfig.Base64Filename;
uploadFileBytes = Convert.FromBase64String(Request[uploadConfig.UploadFieldName]);
}
else
{
var file = Request.Files[uploadConfig.UploadFieldName];
uploadFileName = file.FileName;
if (!CheckFileType(uploadConfig, uploadFileName))
{
return(Content(new
{
state = GetStateMessage(UeditorUploadState.TypeNotAllow)
}.ToJson()));
}
if (!CheckFileSize(uploadConfig, file.ContentLength))
{
return(Content(new
{
state = GetStateMessage(UeditorUploadState.SizeLimitExceed)
}.ToJson()));
}
uploadFileBytes = new byte[file.ContentLength];
try
{
file.InputStream.Read(uploadFileBytes, 0, file.ContentLength);
}
catch (Exception)
{
return(Content(new
{
state = GetStateMessage(UeditorUploadState.NetworkError)
}.ToJson()));
}
}
result.OriginFileName = uploadFileName;
var savePath = UeditorPathFormatter.Format(uploadFileName, uploadConfig.PathFormat);
var localPath = Server.MapPath(savePath).Replace("\\Utility\\", "\\ueditor\\");// +"/ueditor/net";
try
{
if (!Directory.Exists(Path.GetDirectoryName(localPath)))
{
Directory.CreateDirectory(Path.GetDirectoryName(localPath));
}
System.IO.File.WriteAllBytes(localPath, uploadFileBytes);
result.Url = savePath;
result.State = UeditorUploadState.Success;
}
catch (Exception e)
{
result.State = UeditorUploadState.FileAccessError;
result.ErrorMessage = e.Message;
}
return(Content(new
{
state = GetStateMessage(result.State),
url = result.Url,
title = result.OriginFileName,
original = result.OriginFileName,
error = result.ErrorMessage
}.ToJson()));
}
