CLLocationManager 8.0方法
locationManager.requestWhenInUseAuthorization()
locationManager.requestAlwaysAuthorization()
9.0方法
locationManager.allowsBackgroundLocationUpdates = true
locationManager.pausesLocationUpdatesAutomatically = false
此方法不关闭20分钟后自动关闭定位
配置权限
info.plist文件配置
