UIbutton 防止重复点击

可以写一个响应时间 在规定的响应时间内 只触发一次

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//防止重复点击 [[self class ] cancelPreviousPerformRequestsWithTarget:self selector:@selector(todoSomething:) object:btn]; [self performSelector:@selector(todoSomething:) withObject:btn afterDelay:1.0]; //点击事件加入介句话 - ( void )todoSomething:(UIButton *)btn { [OMGToast KMShowToast:@ "你TM手速真快" ]; }