IOS NSTimer:scheduledtimerwithtimeinterval

ISO中的定时执行,常用于广告轮播等

NSTimer:scheduledtimerwithtimeinterval
[NSTimer scheduledTimerWithTimeInterval:5 target:self selector:@selector(action:) userInfo:nil  repeats:YES];

屏幕快照 2013-08-06 上午12.14.17