uni-app实现数据下拉刷新功能实例

"subPackages": [{
  "root": "subpkg",
  "pages": [{
    "path": "goods_detail/goods_detail",
    "style": {}
  }, {
    "path": "goods_list/goods_list",
    "style": {
      "onReachBottomDistance": 150,
      "enablePullDownRefresh": true,
      "backgroundColor": "#F8F8F8"
    }
  }, {
    "path": "search/search",
    "style": {}
  }]
}]

// 下拉刷新的事件
onPullDownRefresh() {
  // 1. 重置关键数据
  this.queryObj.pagenum = 1
  this.total = 0
  this.isloading = false
  this.goodsList = []
 
  // 2. 重新发起请求
  this.getGoodsList(() => uni.stopPullDownRefresh())
}

// 获取商品列表数据的方法
async getGoodsList(cb) {
  this.isloading = true
  const { data: res } = await uni.$Http.get('/api/public/v1/goods/search', this.queryObj)
  this.isloading = false
  // 只要数据请求完毕，就立即按需调用 cb 回调函数
  cb && cb()
 
  if (res.meta.status !== 200) return uni.$showMsg()
  this.goodsList = [...this.goodsList, ...res.message.goods]
  this.total = res.message.total
}

<template>
	<view>
		<view v-for="(item,index) of list" :key="index">
			{{item}}
		</view>
		<button @click="pullDown">点击触发下拉刷新</button>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				list: [1, 2, 3, 4, 5]
			}
		},
		methods: {
			pullDown() {
				//触发下拉刷新
				uni.startPullDownRefresh()
			}
		},
		onPullDownRefresh() {
			console.log("触发下拉刷新")
			setTimeout(() => {
				this.list = [1, 2, 3, 5, 3, 2]
				//关闭下拉刷新
				uni.stopPullDownRefresh()
			}, 2000)
		}
	}
</script>
<style>
</style>