实体定义
属性定义
序号属性名称中文解释数据类型必填
GfcRoot
GfcProperty
1Name属性名称GfcLabel√
2CodeGfcString
3ExtensionGfcString
GfcSimpleProperty
GfcListProperty
继承关系
GfcRoot
  └GfcProperty
    └GfcSimpleProperty
      └GfcListProperty
        ├GfcIntegerListProperty
        ├GfcDoubleListProperty
        ├GfcBooleanListProperty
        ├GfcStringListProperty
        ├GfcSectionListProperty
        ├GfcGeoListProperty
        └GfcEntityListProperty