public FileContentResult Code(int type) { string code = CodeUtil.GetSingleObj().CreateVerifyCode(CodeUtil.VerifyCodeType.MixVerifyCode, 6); //LogUtil.Info($"生成6位验证码:{code}"); bool isAddLines = false; if (type == 1) { isAddLines = true; } var bitmap = CodeUtil.GetSingleObj().CreateBitmapByImgVerifyCode(code, 100, 40, isAddLines); code = EncryptUtil.EncryptDES(code, AprilConfig.SecurityKey); CookieUtil.AddString("code", code, 5); MemoryStream stream = new MemoryStream(); bitmap.Save(stream, ImageFormat.Gif); return(File(stream.ToArray(), "image/gif")); }