performSelector:withObject:afterDelay:
scheduledTimerWithTimeInterval:target:selector:userInfo:repeats:
performSelectorOnMainThread:withObject:waitUntilDone:
dispatch_after()
这道题你会答吗?花几分钟告诉大家答案吧!
扫描二维码,关注牛客网
下载牛客APP,随时随地刷题