/// <summary>
/// 副檔名是否符合指定驗證介面的副檔名集合
/// </summary>
/// <param name="fileName">檔案名稱（含副檔名）</param>
/// <param name="extension">副檔名驗證介面</param>
/// <returns></returns>
public bool IsExtension(string fileName, IFileExtensions extension)
{
var validateExtensions = extension.ValidExtensions;
string fileExtension = Path.GetExtension(fileName);
return(validateExtensions.Contains(fileExtension));
}
public void FileExtensionValidate(IFileExtensions extensions, string value, bool ignoreEmpty, string field, string messageFormat)
{
FileValidation validate = new FileValidation();
if (!ignoreEmpty || !String.IsNullOrWhiteSpace(value))
{
if (!validate.IsExtension(value, extensions))
{
string extension = Path.GetExtension(value).ToLower();
this.errorMessageList.Add(String.Format(messageFormat, field, extension));
}
}
}
public void FileExtensionValidate(IFileExtensions extensions, string value, bool ignoreEmpty, string field)
{
FileExtensionValidate(extensions, value, ignoreEmpty, field, "{0}不支援 {1} 檔案格式");
}