Da Huang

how to add background audio into SCAssetExportSession?

5

I'm trying to add a song into SCAssertExportSession, following code does not work. ```ios AVMutableComposition *comosition = [AVMutableComposition composition]; NSURL *audioInputUrl = [NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"Sin" ofType:@"mp3"]]; AVURLAsset *audioAsset =...

子表的cols里如何获得父表行数据

1

如题，子表的cols里如果如何获得父表行数据