/// <summary>
/// 验证码
/// </summary>
/// <returns></returns>
public string VerifyCode()
{
return(ImgVerifyCodeHelper.BuildVerifyCode(4));
}
/// <summary>
/// 验证码
/// </summary>
/// <returns></returns>
public byte[] VerifyCodeByte()
{
return(ImgVerifyCodeHelper.BuildVerifyCodeByte(4));
}