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- + (void)verificationCode:(void(^)())blockYes blockNo:(void(^)(id time))blockNo {
- __block int timeout=60; //倒计时时间
- dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
- dispatch_source_t _timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0,queue);
- dispatch_source_set_timer(_timer,dispatch_walltime(NULL, 0),1.0*NSEC_PER_SEC, 0); //每秒执行
- dispatch_source_set_event_handler(_timer, ^{
- if(timeout<=0){ //倒计时结束,关闭
- dispatch_source_cancel(_timer);
- dispatch_async(dispatch_get_main_queue(), ^{
- //设置界面的按钮显示 根据自己需求设置
- blockYes();
- });
- }else{
- // int minutes = timeout / 60;
- int seconds = timeout % 60;
- NSString *strTime = [NSString stringWithFormat:@"%.2d", seconds];
- dispatch_async(dispatch_get_main_queue(), ^{
- //设置界面的按钮显示 根据自己需求设置
- NSLog(@"____%@",strTime);
- blockNo(strTime);
-
- });
- timeout--;
- }
- });
- dispatch_resume(_timer);
- }
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