BMKLocationViewDisplayParam *displayParam = [[BMKLocationViewDisplayParam alloc]init];
displayParam.isRotateAngleValid = true;//跟隨態(tài)旋轉(zhuǎn)角度是否生效
displayParam.isAccuracyCircleShow = false;//精度圈是否顯示
displayParam.locationViewImgName= @"icon";//定位圖標(biāo)名稱
displayParam.locationViewOffsetX = 0;//定位偏移量(經(jīng)度)
displayParam.locationViewOffsetY = 0;//定位偏移量（緯度）
[_mapView updateLocationViewWithParam:displayParam];
