下面给出了我用swift编写的函数这段代码在10.0版本的iPhone中工作正常但在9.0中给出了一个错误sayingCFURLCopyResourcePropertyForKeyfailedbecauseitwaspassedanURLwhichhasnoschemeFailedtoload:Thefile“Recording2017-03-06_11.08.53000.mp3”couldn’tbeopened.partFileURL将具有/private/var/mobile/Containers/Data/Application/B8F9055D-D816-4E27-BA2A-B