iOS解決按鈕短時間內多次點擊只觸發一次事件方法

- (void)unisversalButtonAcrion:(UIButton *)sender
{
    [[self class] cancelPreviousPerformRequestsWithTarget:self selector:@selector(todoSomething:) object:sender];
    [self performSelector:@selector(todoSomething:) withObject:sender afterDelay:0.3f];
}

- (void)todoSomething:(UIButton *)sender {
    if (self.bindIngBankCarBlock) {
        self.bindIngBankCarBlock();
    }
}