小程序-滚动触底-页面列表数据无限加载

news2024/11/15 20:48:57

// index/index.vue

<template>



<CustomNavbar />

<scroll-view @scrolltolower="onScrolltolower" scroll-y class="scroll-view">



<Guess ref="guessRef" />

</scroll-view>

</template>

<script>

// 滚动触底事件

const guessRef = ref<GuessInstance>()

const onScrolltolower = () => {

console.log('滚动到底部啦-guessRef', guessRef.value)

guessRef.value?.getMore()

}

</script>

// src/index/components/guess.vue

<script setup lang="ts">
import { getHomeGoodsGuessLikeAPI } from '@/services/home'
import type { PageParams } from '@/types/global'
import type { GuessItem } from '@/types/home'
import { onMounted, ref } from 'vue'

// 分页参数
const pageParams: Required<PageParams> = {
page: 1,
pageSize: 10,
}
// 猜你喜欢的列表
const guessList = ref<GuessItem[]>([])
// 已结束标记
const finish = ref(false)
// 获取猜你喜欢数据
const getHomeGoodsGuessLikeData = async () => {
// 退出分页判断
if (finish.value === true) {
return uni.showToast({ icon: 'none', title: '没有更多数据~' })
}
const res = await getHomeGoodsGuessLikeAPI(pageParams)
// 数组追加
guessList.value.push(...res.result.items)
// 分页条件
if (pageParams.page < res.result.pages) {
// 页码累加
pageParams.page++
} else {
finish.value = true
}
}
// 组件挂载完毕
onMounted(() => {
getHomeGoodsGuessLikeData()
})
// 暴露方法
defineExpose({
getMore: getHomeGoodsGuessLikeData,
})
</script>

<template>

<view class="caption">
<text class="text">猜你喜欢</text>
</view>
<view class="guess">
<navigator
class="guess-item"
v-for="item in guessList"
:key="item.id"
:url="`/pages/goods/goods`"
>
<image class="image" mode="aspectFill" :src="item.picture"></image>
<view class="name"> {{ item.name }} </view>
<view class="price">
<text class="small">¥</text>
<text>{{ item.price }}</text>
</view>
</navigator>
</view>
<view class="loading-text">
{{ finish ? '亲，我也是有底线的哦~' : '正在加载...' }}
</view>
</template>