请先看 Promise 分装 wx.request，否则可能看不懂以下内容
如const app=getApp()
app.http.list('pop',this.data.pageNo).then(res => {}
点击上方一步一步走
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| <scroll-view scroll-y lower-threshold="100" bindscrolltolower="scrollToLower" style="height: 100vh;">
//中间是数据
<view style="text-align: center;margin: 10px;">
<view wx:if="{{loading}}">加载中...</view>
<view wx:if="{{noMore}}">没有更多了</view>
<view wx:if="{{loadingFailed}}">数据加载失败,请重试</view>
</view>
</scroll-view>
|
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const app = getApp()
Page({
data: {
list: [],
pageNo: 1,
loading: false,
loadingFailed: false,
noMore: false,
},
scrollToLower: function (e) {
if (!this.data.loading ){
this.setData({
loading: true,
pageNo: this.data.pageNo + 1
})
this.getData(true);
}
},
getData(isPage) {
app.http.list('pop',this.data.pageNo).then(res => {
this.setData({
loading: false
})
if (res.data.data.page ) {
if (isPage) {
this.setData({
list: this.data.list.concat(res.data.data.list)
})
} else {
this.setData({
})
}
if (res.data.data.list.length == 0) {
this.setData({
noMore: true
})
}
} else {
this.setData({
loadingFailed: true
})
}
})
},
})
|
