@interface WZKTimerTestVC ()
@property (strong ,nonatomic) NSTimer *timer;
@end
@implementation WZKTimerTestVC
- (void)viewDidDisappear:(BOOL)animated{
[superviewDidDisappear:animated];
//一定要手动关闭。
[self.timer invalidate];
self.timer=nil;
}
///创建Timer定时器
- (void)creatTimer {
[[NSRunLoop currentRunLoop] addTimer:self.timer forMode:NSRunLoopCommonModes];
}
///倒计时执行函数
- (void)timerForOverTimeOrder {
}
///getting
- (NSTimer*)timer{
if(_timer==nil) {
_timer = [NSTimer timerWithTimeInterval:1 target:self selector:@selector(timerForOverTimeOrder) userInfo:nil repeats:YES];
}
return_timer;
}
@end
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