1.ソースコード
<view class='goods'>
<view class='good' wx:for="{
{ goodslist }}" wx:key='index'>
<view class='pic'>
<image src='{
{ item.imgUrl }}'></image>
</view>
<view class='title'> {
{ item.des }} </view>
<view class='desc'>
<text class='price'>￥{
{ item.price }}</text>
<text class='paynum'> {
{ item.alreadyPaid }} </text>
</view>
</view>
</view>
<button loading wx:if="{
{loadmore}}"> loading... </button>
<button wx:else> 我是有底线的 </button>
/* pages/loadmore/loadmore.wxss */
.goods{
display: flex;
justify-content: space-between;
flex-wrap: wrap;
margin-top: 20rpx;
background-color: #ddd;
}
.good{
width: 370rpx;
height: 528rpx;
/* background-color: red; */
margin-bottom: 20rpx;
}
.pic{
width: 370rpx;
height: 370rpx;
}
.pic image{
width: 100%;
height: 100%;
}
.title{
font-size: 26rpx;
padding: 20rpx;
height: 52rpx;
overflow: hidden;
}
.desc{
font-size: 23rpx;
padding: 20rpx;
}
.paynum{
margin-left: 165rpx;
}
// pages/loadmore/loadmore.js
Page({
/**
* 页面的初始数据
*/
data: {
data: [], // 所有数据
goodslist:[], // 展示数据
loadmore: true
},
/**
* 生命周期函数--监听页面加载
*/
onLoad: function (options) {
const that = this;
wx.request({
url: 'http://www.tanzhouweb.com/vueProject/vue.php?title=likeYou',
success(res){
const data = res.data;
const goodslist = [];
// 初始显示6条数据
data.forEach((item, index) => {
if(index<6){
goodslist.push(item)
}
});
// console.log(data)
that.setData({
goodslist,
data
})
}
})
},
// 下拉触底执行（下拉触底添加后6条数据，直到所有数据加载完成）
onReachBottom(e){
const {
data, goodslist} = this.data;
const start = goodslist.length;
const end = Math.min( start + 6, data.length - 1);
if(goodslist.length == data.length){
this.setData({
loadmore:false
})
return ;
}
for(let i = start; i<=end; i++){
goodslist.push(data[i])
}
this.setData({
goodslist
})
}
})
{
"usingComponents": {
},
"navigationBarBackgroundColor": "#3366CC",
"navigationBarTitleText": "商品加载",
"navigationBarTextStyle": "white"
}
2.効果
最初に6個のデータを表示し、一番下までプルダウンして6個のデータをロードします
ライフサイクル関数：onLoad onReachBottom
