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在 MKMapView 上,我有例如 100 个注释。当我缩小地图时,我只需要更新十个新的注释。但是系统更新了 110 个注释。如何在 MKMapView 上仅添加新注释?
你试过[mapView addAnnotations:additionalAnnotations]吗?(其中 additionalAnnotations 是“新”注释的数组)
[mapView addAnnotations:additionalAnnotations]