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<scroll-view scroll-y 
	:refresher-threshold="45"
	:refresher-enabled="true"
	:refresher-triggered="refresherTriggered"
	@refresherrefresh="refresherrefresh"
	@refresherrestore="refresherrestore"
	@refresherabort="refresherabort"
	<view>内容内容内容内容内容内容内容内容内容</view>
</scroll-view>
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data() {
	return {
		refresherTriggered: false,
		_refresherTriggered: false
	}
}
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methods: {
	refresherrefresh(){
		console.log("自定义下拉刷新被触发");
		let _this = this;
		if (_this._refresherTriggered) {
			return;
		}
		_this._refresherTriggered = true;
		//界面下拉触发，triggered可能不是true，要设为true
		if (!_this.refresherTriggered) {
			_this.refresherTriggered = true;
		}
		this.loadStoreData();
	},
	refresherrestore(){
		console.log("自定义下拉刷新被复位");
		let _this = this;
		_this.refresherTriggered = false;
		_this._refresherTriggered = false;
	},
	refresherabort(){
		console.log("自定义下拉刷新被中止	");
		let _this = this;
		_this.refresherTriggered = false;
		_this._refresherTriggered = false;
	},
	loadStoreData() {
		let _this = this;
		this.listData();
		setTimeout(() => {
			_this.refresherTriggered = false;//触发onRestore，并关闭刷新图标
			_this._refresherTriggered = false;
		}, 1000)
	},
	listData() {
		let _this = this;
		//这里是调用后台接口的方法数据
	},
}

注意：_refresherTriggered 的作用是用于缓存状态，防止loadStoreData这个异步操作没有完成的时候再次刷新