/// <summary>
/// 检查文件大小
/// </summary>
/// <param name="message">上传返回信息</param>
/// <param name="postFile">HttpPostedFile</param>
private void CheckSize(UploadFileMessage message, HttpPostedFile postFile)
{
if (postFile.ContentLength / 1024.0 / 1024.0 > uploadFileSetting.MaxSizeM)
{
AddUploadFileMessage(message, string.Format("对不起上传文件过大，不能超过{0}M！", uploadFileSetting.MaxSizeM));
}
}
public void UploadFile(string filePath)
{
var bytes = File.ReadAllBytes(filePath);
var fileName = Path.GetFileName(filePath);
var peerNewFile = new PeerFile(fileName, bytes);
var message = new UploadFileMessage(peerNewFile);
processor.Send(message);
}
protected void Page_Load(object sender, EventArgs e)
{
if (Request.Files.Count > 0)
{
WebUploadFile _uploadFile = new WebUploadFile();
_uploadFile.SetFileDirectory("/上传");
UploadFileMessage _message = _uploadFile.Save(Request.Files["File1"]);
Label1.Text = _message.HasError == false ? "上传成功" : "上传失败" + _message.Message;
}
}
/// <summary>
/// 保存表单文件,根据HttpPostedFile
/// </summary>
/// <param name="postFile">HttpPostedFile</param>
/// <returns>上传返回信息</returns>
private UploadFileMessage CommonSave(HttpPostedFile postFile)
{
UploadFileMessage _uploadFileMessage = new UploadFileMessage();
try
{
if (postFile == null || postFile.ContentLength == 0)
{
AddUploadFileMessage(_uploadFileMessage, "没有文件！");
return(_uploadFileMessage);
}
//文件名
string _fileName = uploadFileSetting.IsUseOldFileName ? postFile.FileName : DateTime.Now.FormatDate(12) + Path.GetExtension(postFile.FileName);
//验证格式
this.CheckingType(_uploadFileMessage, postFile.FileName);
//验证大小
this.CheckSize(_uploadFileMessage, postFile);
if (_uploadFileMessage.HasError)
{
return(_uploadFileMessage);
}
string _webDir = string.Empty;
// 获取存储目录
string _directory = this.GetDirectory(ref _webDir),
_filePath = _directory + _fileName;
if (File.Exists(_filePath))
{
if (uploadFileSetting.IsRenameSameFile)
{
_filePath = _directory + DateTime.Now.FormatDate(12) + "-" + _fileName;
}
else
{
File.Delete(_filePath);
}
}
// 保存文件
postFile.SaveAs(_filePath);
_uploadFileMessage.FilePath = _filePath;
_uploadFileMessage.FilePath = _webDir + _fileName;
_uploadFileMessage.FileName = _fileName;
_uploadFileMessage.WebFilePath = _webDir + _fileName;
return(_uploadFileMessage);
}
catch (Exception ex)
{
AddUploadFileMessage(_uploadFileMessage, ex.Message);
return(_uploadFileMessage);
}
}
/// <summary>
/// 验证文件类型
/// </summary>
/// <param name="message">上传返回信息.</param>
/// <param name="fileName">文件名称.</param>
private void CheckingType(UploadFileMessage message, string fileName)
{
if (uploadFileSetting.FileType != "*")
{
// 获取允许允许上传类型列表
string[] _typeList = uploadFileSetting.FileType.Split(',');
// 获取上传文件类型(小写)
string _type = Path.GetExtension(fileName).ToLowerInvariant();;
// 验证类型
if (_typeList.Contains(_type) == false)
{
this.AddUploadFileMessage(message, "文件类型非法!");
}
}
}
/// <summary>
///
/// </summary>
/// <param name="message"></param>
private void UploadFile(UploadFileMessage message)
{
try
{
var client = new WebClient();
client.DownloadProgressChanged += (s, e) =>
{
// avoid spam by sending only 5 by 5%
if (e.ProgressPercentage % 5 == 0)
{
Send(new UploadProgressMessage
{
Id = message.Id,
Path = message.Path,
Percentage = e.ProgressPercentage,
Uri = message.Uri
});
}
};
client.DownloadFileCompleted += (s, e) =>
{
if (e.Error != null)
{
SendStatus(message.WindowId, message.Id, "File upload (downloading from web)", e.Error);
}
else
{
// -1 mean finished
Send(new UploadProgressMessage
{
Id = message.Id,
Path = message.Path,
Percentage = -1,
Uri = message.Uri
});
}
client.Dispose();
};
client.DownloadFileAsync(new Uri(message.Uri), message.Path);
}
catch (Exception e)
{
SendStatus(message.WindowId, message.Id, "File upload (downloading from web)", e);
}
}
/// <summary>
/// 抛出错误
/// </summary>
/// <param name="message">上传返回信息</param>
/// <param name="msg">错误消息</param>
private void AddUploadFileMessage(UploadFileMessage message, string msg)
{
message.HasError = true;
message.Message = msg;
}
