/// <summary>
/// 删除文件
/// </summary>
/// <param name="fileUpload">T</param>
/// <param name="retContent">异常反馈信息</param>
/// <returns></returns>
private bool Del(FileUpload fileUpload, ref string retContent)
{
bool result = false;
try
{
//查询数据是否存在
MediaInfo MediaInfo = SelectSingle(fileUpload.media_group_id, fileUpload.file_name);
if (MediaInfo != null)
{
//根据id删除数据库数据
Expression <Func <MediaInfo, bool> > _expression = _expression = f => f.id == MediaInfo.id;
if (_mediaInfoService.Delete(_expression))
{
FileHelper.DelFile(MediaInfo.media_address);
FileHelper.DelFile(MediaInfo.preview_address);
result = true;
}
else
{
retContent = fileUpload.file_name + ":删除数据失败";
}
}
else
{
retContent = fileUpload.file_name + ":参数不能为空";
}
}
catch (Exception ex)
{
retContent = fileUpload.file_name + ":" + ex.Message;
}
return(result);
}
