快速点击多次触发问题

点击签到的时候，有的用户会快速点击签到按钮，这会导致接口不断调用，需要节流限制一下

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<view class="btom">     <view class="btn" @tap="qiandao">         签到     </view> </view> export default {     data() {         return {         requestDone: false,                }     } }, methods:{     async qiandao() {         if (this.requestDone) {             return;         }         try {             this.requestDone = true;             await this.signin(); //调用签到的接口         } finally {             setTimeout(() => {                 this.requestDone = false;             }, 1000)         }     }, }