Windows系统时间转化为固定长度为8位的字符串

public string GetString(string data)
        {
            string DataFormat = string.Empty;
            if (data.Length == 10)/https://cdn.jxasp.com:9143/image/2014/11https://cdn.jxasp.com:9143/image/23
            {
                DataFormat = data.Replace("/", "");
            }
            if (data.Length == 9)/https://cdn.jxasp.com:9143/image/2014/11/1或者2014/1/12
            {
                //该函数是先截取再替换
                if (data.Substring(4, 3).Replace("/", "").Length == 2)/https://cdn.jxasp.com:9143/image/2014/11/1
                {
                    data = data.Replace("/", "");
                    DataFormat = data.Substring(0, 4) + data.Substring(4, 2) + "0" + data.Substring(6, 1);
                }
                else/https://cdn.jxasp.com:9143/image/2014/1/12
                {
                    data = data.Replace("/", "");
                    DataFormat = data.Substring(0, 4) + "0" + data.Substring(4, 1) + data.Substring(5, 2);
                }
            }
            if (data.Length == 8)/https://cdn.jxasp.com:9143/image/2014/1https://cdn.jxasp.com:9143/image/2
            {
                data = data.Replace("/", "");
                DataFormat = data.Substring(0, 4) + "0" + data.Substring(4, 1) + "0" + data.Substring(5, 1);
            }
            return DataFormat;
        }