微信小程序上拉加载

index.wxml

 
<view class="container">
<scroll-view class='wrap' scroll-y>
<view class='li'>11</view>
<view class='li'>11</view>
<view class='li'>11</view>
<view class='li'>11</view>
<view class='li'>11</view>
<view class='li'>11</view>

<view class='li'>11</view>

</scroll-view>
</view>
 
index.json
{
"component": true,
"usingComponents": {},
"onReachBottomDistance":50,
"enablePullDownRefresh": true,
"onReachBottomDistance": true
}
 
 
index.js
//index.js
//获取应用实例
const app = getApp()

Page({
data: {
motto: 'Hello World',
userInfo: {},
hasUserInfo: false,
canIUse: wx.canIUse('button.open-type.getUserInfo')
},
//事件处理函数
bindViewTap: function() {
wx.navigateTo({
url: '../logs/logs'
})
},
onLoad: function () {
if (app.globalData.userInfo) {
this.setData({
userInfo: app.globalData.userInfo,
hasUserInfo: true
})
} else if (this.data.canIUse){
// 由于 getUserInfo 是网络请求,可能会在 Page.onLoad 之后才返回
// 所以此处加入 callback 以防止这种情况
app.userInfoReadyCallback = res => {
this.setData({
userInfo: res.userInfo,
hasUserInfo: true
})
}
} else {
// 在没有 open-type=getUserInfo 版本的兼容处理
wx.getUserInfo({
success: res => {
app.globalData.userInfo = res.userInfo
this.setData({
userInfo: res.userInfo,
hasUserInfo: true
})
}
})
}
},
getUserInfo: function(e) {
console.log(e)
app.globalData.userInfo = e.detail.userInfo
this.setData({
userInfo: e.detail.userInfo,
hasUserInfo: true
})
},
onReachBottom:function(){
 
console.log("上拉加载");
}
})
 
index.wxss
/**index.wxss**/
.container {
min-height: 100vh;
display: flex;
flex-direction: column;
align-items: center;
justify-content: space-between;
box-sizing: border-box;
overflow-y: scroll;
 
}



.userinfo {
display: flex;
flex-direction: column;
align-items: center;
}

.userinfo-avatar {
128rpx;
height: 128rpx;
margin: 20rpx;
border-radius: 50%;
}

.userinfo-nickname {
color: #aaa;
}

.usermotto {
margin-top: 200px;
}
.container .wrap{
height: 100%;
overflow-y: scroll;
}
.container .wrap .li{
height: 240rpx;
}
 
 
 
 
原文地址:https://www.cnblogs.com/geekjsp/p/9724612.html