CgwMonitorManage.Common.CommonFunction.ConvertChannelLabel C# (CSharp) Method

        public static string ConvertChannelLabel(string channelLabel)
        {
            // 判断输入通道号码是否为空
            if (string.IsNullOrEmpty(channelLabel))
            {
                return string.Empty;
            }

            // 如果channelLabel没有@，原字符串返回
            bool isFind = channelLabel.Contains("@");
            if (!isFind)
            {
                return channelLabel;
            }

            // 通过@将通道标识分成几段
            string[] strArray = channelLabel.Split(new string[] { "@" }, StringSplitOptions.None);
            if (null == strArray || null == strArray[0])
            {
                return string.Empty;
            }

            return strArray[0];
        }