GCJ02_WGS84 (LACoordinatePoint)GCJ02PointWithWGS84Point:(LACoordinatePoint)point; (LACoordinatePoint)GCJ02PointWithWGS84latigute:(double)latitude logitude:(double)logitude; 两个函数二选一，输入地球坐标，输出的就是火星坐标了