/// <summary>
/// 检测文件是否符合要求
/// </summary>
/// <param name="oFile"></param>
/// <param name="iMaxSize"></param>
/// <returns></returns>
protected string CheckFile(string filename, int contentlength)
{
string err = "";
if (contentlength == 0)
{
err = "无数据提交";
}
else
if (MaxSize != 0 && MaxSize < contentlength / 1024)
{
if (MaxSize > 1024)
{
err = "文件大小限制为" + (MaxSize / 1024) + "MB以内";
}
else
{
err = "文件大小限制为" + MaxSize + "KB以内";
}
}
else
{
if (!FileUploadHelper.CheckFileExt(filename, _sAllowType))
{
err = "上传文件扩展名必需为：" + _sAllowType;
}
}
return(err);
}
