我的代码就是这样..
NSStringEncoding encoding;
NSError* error;
NSString* myString = [NSString stringWithContentsOfFile:recoredAudioUrl usedEncoding:&encoding error:&error];
NSLog(@"recoredAudioUrl %@",myString)
它打印Null
并且我也尝试
[recoredAudioUrl absoluteString]
但是当我将它转换为NSData
然后它data.length
也打印 0