/// <summary>
/// 生成验证码
/// </summary>
/// <param name="length">验证码字符数</param>
/// <returns>code</returns>
public static string BuildVerifyCode(int length)
{
VerifyCodeFactory vc = new VerifyCodeFactory();
string code = vc.CreateValidateCode(0, length);
RedisHelper.Set(code.ToUpper(), null, 180);//验证码作为key缓存到Redis
return(code);
}
/// <summary>
/// 生成图片验证码
/// </summary>
/// <param name="length">验证码字符数</param>
/// <returns>图片byte[]和code</returns>
public static (byte[] imgBytes, string code) BuildVerifyCode(int length)
{
VerifyCodeFactory vc = new VerifyCodeFactory();
string code = vc.CreateValidateCode(length);
byte[] bytes = vc.CreateValidateGraphic(code);
return(bytes, code);
}
