fs-uni-template/hooks/useLoadmore/index.js

import {
	reactive,
	onMounted,
	getCurrentInstance
} from 'vue'
import {
	onReachBottom,
	onShow,
	onPullDownRefresh,
	onReady
} from '@dcloudio/uni-app'

export default loadmoreRef => {
	let refs = {}

	const refresh = () => {
		refs[loadmoreRef] && refs[loadmoreRef].refresh()
	}

	onMounted(() => {
		refs = getCurrentInstance().refs
	})

	onPullDownRefresh(() => {
		if (refs[loadmoreRef] && refs[loadmoreRef].pullDownRefresh) {
			refs[loadmoreRef].hasMore = true
			refs[loadmoreRef].query().then(() => uni.stopPullDownRefresh())
		}
	})

	onReachBottom(() => {
		if (refs[loadmoreRef] && refs[loadmoreRef].hasMore) {
			refs[loadmoreRef].query(true)
		}
	})

	return {
		refresh
	}
}