会python真的可以为所欲为0(回)
379天前
这里还有人吗1(回)
564天前这里还有人吗0(回)
564天前
每天面对着电脑屏幕，敲打键盘。我所面对的并不只是代码，而是一种生活方式。0(回)
789天前到处都是羊，不想上班0(回)
869天前
鸽子
0(回)
873天前 NSOperationQueue* queue = [[NSOperationQueue alloc] init]; |
NSBlockOperation* bop = [NSBlockOperation blockOperationWithBlock:^{ |
NSTimer* timer = [NSTimer timerWithTimeInterval:1 target:self selector:@selector(handleTime:) userInfo:nil repeats:YES]; |
[[NSRunLoop currentRunLoop] addTimer:timer forMode:NSDefaultRunLoopMode]; |
[[NSRunLoop currentRunLoop] runUntilDate:[NSDate distantFuture]]; |
|
NSLog(@"heyheyhey\n"); |
}]; |
[queue addOperation:bop]; |
/////////////////////////////////////////// |
-(void) handleTime:(id)sender{ |
NSLog(@"timer fired"); |
counter++; |
if (counter == 10){ |
NSTimer* t = sender; |
[t invalidate]; |
counter = 0; |
} |
} |
by: 发表于：2017-10-13 10:12:04 顶(0) | 踩(0) 回复
??
回复评论