小编Shr*_*oni的帖子

任何人都可以解释"arc4random()"方法如何在内部工作？

我的代码在这里:

randomDataName.derivation = [derivationArray objectAtIndex:(arc4random() %derivationCount)];
randomDataName.icon = [iconArray objectAtIndex:(arc4random() % iconCount)];
randomDataName.notes = [notesArray objectAtIndex:(arc4random() % notesCount)];