/// <summary>
 /// 获取decimal类型的字段的精度定义
 /// </summary>
 /// <param name="field"></param>
 /// <returns></returns>
 public static IDecimalDefine GetDecimalDefine(this IDataFieldModel field)
 {
     return(DataModelHelper.GetExtendProperty_DecimalDefine(field.InnerExtend));
 }