private UploadResult GetResult(byte[] uploadFileBytes)
{
var ret = QiniuHelper.GetResult(uploadFileBytes);
if (ret.OK)
{
Result.Url = QiniuHelper.GetUrl(ret.key);;
Result.key = ret.key;
Result.State = UploadState.Success;
}
return(Result);
}
public string UploadFileAfterCheckRepeat(FileInfo file, string uid,
ref string file_url, ref string file_name, bool DeleteFileAfterUploadToQiniu = true)
{
try
{
if (!file.Exists)
{
throw new Exception("无法在磁盘上找到文件");
}
var dal = new UpFileDal();
var dbmodel = new UpFileModel();
dbmodel.UserID = uid;
dbmodel.FileName = file.Name;
dbmodel.FileExt = file.Extension;
dbmodel.FileSize = (int)file.Length;
dbmodel.FilePath = file.FullName;
dbmodel.CreateTime = DateTime.Now;
//获取文件md5值
dbmodel.FileMD5 = SecureHelper.GetFileMD5(dbmodel.FilePath);
if (!ValidateHelper.IsPlumpString(dbmodel.FileMD5))
{
throw new Exception("获取文件MD5失败");
}
//判断文件是否存在于七牛
var qiniu_file = QiniuHelper.FindEntry(dbmodel.FileMD5);
bool FindInQiniu = qiniu_file.HasFile();
bool uploadToQiniuByMe = false;
if (FindInQiniu)
{
//直接拿七牛中的文件地址
dbmodel.FileUrl = QiniuHelper.GetUrl(dbmodel.FileMD5);
}
else
{
var url = QiniuHelper.Upload(file.FullName, dbmodel.FileMD5);
dbmodel.FileUrl = url;
//标记文件是我上传到七牛的
uploadToQiniuByMe = true;
}
//运行到这里，七牛已经有文件了
//判断是否要添加到数据库
var res = AddFile(dbmodel);
if (ValidateHelper.IsPlumpString(res))
{
//如果是我上传到七牛的并且保存本地数据库失败就删除
if (uploadToQiniuByMe)
{
QiniuHelper.Delete(dbmodel.FileMD5);
}
return("保存到数据库失败");
}
file_name = dbmodel.FileName;
file_url = dbmodel.FileUrl;
return(SUCCESS);
}
catch (Exception e)
{
throw e;
}
finally
{
if (DeleteFileAfterUploadToQiniu)
{
file.Delete();
}
}
}
/// <summary>
/// 保存事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void BtnSave_OnClick(object sender, EventArgs e)
{
var imageFile = GetImage();
if (imageFile != null)
{
if (string.IsNullOrEmpty(StrGuid))
{
var info = new PhotoInfo();
var ret = QiniuHelper.GetResult(imageFile);
if (ret.OK)
{
info.ImageUrl = QiniuHelper.GetUrl(ret.key);
info.ImageKey = ret.key;
info.Name = tbName.Text;
info.Tag = tbTag.Text;
info.IsCover = chkCover.Checked;
var user = HttpContext.Current.Session["UserInfo"] as UserInfo;
if (user != null)
{
info.UserGuid = user.Guid;
}
info.Createtime = DateTime.Now;
info.AlbumGuid = AlbumGuid;
PhotoBll.Add(info);
ScriptHelper.AlertAndRedirect("添加成功", "PhotoList.aspx?albumguid=" + AlbumGuid);
}
else
{
Util.ScriptHelper.Alert2("上传失败");
}
}
else
{
var info = PhotoBll.GetModel(StrGuid);
var ret = QiniuHelper.GetResult(imageFile);
if (ret.OK)
{
QiniuHelper.DeleteData(info.ImageKey);
info.ImageUrl = QiniuHelper.GetUrl(ret.key);
info.ImageKey = ret.key;
info.Name = tbName.Text;
info.Tag = tbTag.Text;
info.IsCover = chkCover.Checked;
var user = HttpContext.Current.Session["UserInfo"] as UserInfo;
if (user != null)
{
info.UserGuid = user.Guid;
}
info.Createtime = DateTime.Now;
info.AlbumGuid = AlbumGuid;
PhotoBll.Update(info);
ScriptHelper.AlertAndRedirect("修改成功", "PhotoList.aspx?albumguid=" + AlbumGuid);
}
else
{
Util.ScriptHelper.Alert2("上传失败");
}
}
}
else
{
if (string.IsNullOrEmpty(StrGuid))
{
Util.ScriptHelper.Alert2("没有文件");
}
else
{
var info = PhotoBll.GetModel(StrGuid);
info.Name = tbName.Text;
info.Tag = tbTag.Text;
info.IsCover = chkCover.Checked;
PhotoBll.Update(info);
ScriptHelper.AlertAndRedirect("修改信息成功", "PhotoList.aspx?albumguid=" + AlbumGuid);
}
}
}
/// <summary>
/// 保存事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void BtnSave_OnClick(object sender, EventArgs e)
{
var imageFile = GetImage();
if (string.IsNullOrEmpty(StrGuid))
{
var info = new CategoryInfo();
info.Name = tbName.Text;
info.OrderId = ConvertHelper.GetInt(tbOrderId.Text);
info.ParentGuid = ddlParentCategory.SelectedValue;
var user = HttpContext.Current.Session["UserInfo"] as UserInfo;
if (user != null)
{
info.UserGuid = user.Guid;
}
var blog = HttpContext.Current.Session["BlogInfo"] as BlogInfo;
if (blog != null)
{
info.BlogGuid = blog.Guid;
}
if (imageFile != null)
{
var ret = QiniuHelper.GetResult(imageFile);
if (ret.OK)
{
info.ImageUrl = QiniuHelper.GetUrl(ret.key);
info.ImageKey = ret.key;
}
else
{
ScriptHelper.Alert("图片上传失败");
}
}
CategoryBll.Add(info);
}
else
{
var info = CategoryBll.GetModel(StrGuid);
info.Name = tbName.Text;
info.OrderId = ConvertHelper.GetInt(tbOrderId.Text);
info.ParentGuid = ddlParentCategory.SelectedValue;
if (imageFile != null)
{
var ret = QiniuHelper.GetResult(imageFile);
if (ret.OK)
{
info.ImageUrl = QiniuHelper.GetUrl(ret.key);
info.ImageKey = ret.key;
}
else
{
ScriptHelper.Alert("图片上传失败");
}
}
CategoryBll.Update(info);
}
Response.Redirect("CategoryList.aspx");
}
public override void Process()
{
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(uploadFileName))
{
Result.State = UploadState.TypeNotAllow;
WriteResult();
return;
}
if (!CheckFileSize(file.ContentLength))
{
Result.State = UploadState.SizeLimitExceed;
WriteResult();
return;
}
uploadFileBytes = new byte[file.ContentLength];
try
{
file.InputStream.Read(uploadFileBytes, 0, file.ContentLength);
}
catch (Exception)
{
Result.State = UploadState.NetworkError;
WriteResult();
}
}
Result.OriginFileName = uploadFileName;
var savePath = PathFormatter.Format(uploadFileName, UploadConfig.PathFormat);
var localPath = Server.MapPath(savePath);
try
{
#region 再需要储存文件到服务器
//if (!Directory.Exists(Path.GetDirectoryName(localPath)))
//{
// Directory.CreateDirectory(Path.GetDirectoryName(localPath));
//}
//File.WriteAllBytes(localPath, uploadFileBytes);
//Result.Url = savePath;
//Result.State = UploadState.Success;
#endregion
#region 文件到七牛
var ret = QiniuHelper.GetResult(uploadFileBytes);
if (ret.OK)
{
Result.Url = QiniuHelper.GetUrl(ret.key);
Result.State = UploadState.Success;
}
#endregion
}
catch (Exception e)
{
Result.State = UploadState.FileAccessError;
Result.ErrorMessage = e.Message;
}
finally
{
WriteResult();
}
}
