WKTToGeometry，将WKT字符串转换为Esri Geometry对象，用于绘制地地图上。-WKTToGeometry，The WKT convert a string to Esri Geometry object used to draw on the map.

GeometryToWKT，将Esri Geometry对象转换为WKT形式，用于在数据库存储或是传输。-GeometryToWKT，The Esri Geometry object into WKT format for database storage or transmission.