public static string GetMaterialFileNameByExtName(string extName)
{
if (!extName.StartsWith("."))
{
extName = "." + extName;
}
return($"{StringUtils.GetShortGuid(false)}{extName}");
}
public static string GetSafeFilename(string filename)
{
if (string.IsNullOrEmpty(filename))
{
return(StringUtils.ToLower(StringUtils.GetShortGuid()));
}
return(string.Join("_", filename.Split(GetInvalidChars())));
}
public static string GetUploadFileName(string filePath, bool isUploadChangeFileName)
{
if (isUploadChangeFileName)
{
return($"{StringUtils.GetShortGuid(false)}{GetExtension(filePath)}");
}
var fileName = GetFileNameWithoutExtension(filePath);
fileName = GetSafeFilename(fileName);
return($"{fileName}{GetExtension(filePath)}");
}
public static string GetMaterialFileName(string filePath)
{
return($"{StringUtils.GetShortGuid(false)}{GetExtension(filePath)}");
}