/// <summary>
 /// 获取发卡机构
 /// </summary>
 /// <param name="idNumber">身份证号模型</param>
 /// <returns>发卡单位</returns>
 public static string CF_GetCardIssuer(this ModIDNumber idNumber)
 {
     return(IDNumberOperate.CF_GetCardIssuer(idNumber));
 }