Implementation of pull-up loading and pull-down refresh of WeChat applet list

iconType: [ 
‘success', ‘info', ‘warn', ‘waiting', ‘safe_success', ‘safe_warn', 
‘success_circle', ‘success_no_circle', ‘waiting_circle', ‘circle', ‘download', 
‘info_circle', ‘cancel', ‘search', ‘clear' 
]

<loading hidden="{{hidden}}" bindchange="loadingChange">
 加载中...
 </loading> 
 <scroll-view scroll-y="true" style="height: 100%;" bindscrolltolower="loadMore" bindscrolltoupper="refesh">
 <view wx:if="{{hasRefesh}}" style="display: flex;flex-direction: row;align-items: center;align-self: center;justify-content: center;">
 <icon type="waiting" size="45"/><text>刷新中...</text></view>
 <view wx:else style="display:none" ><text></text></view>
 <view class="lll" wx:for="{{list}}" wx:for-item="item" bindtap="bindViewTap" 
 data-title="{{item.title}}" >
 <image style=" width: 50px;height: 50px;margin: 20rpx;" src="{{item.firstImg}}" ></image>
 <view class="eee" > 
 <view style="margin:5px;font-size:8px"> 标题:{{item.title}}</view>
 <view style="margin:5px;color:red;font-size:6px"> 来源:{{item.source}}</view>
 </view>
</view>
<view class="tips1">
 <view wx:if="{{hasMore}}" style="display: flex;flex-direction: row;align-items: center;align-self: center;justify-content: center;">
 <icon type="waiting" size="45"/><text>玩命的加载中...</text></view>
 <view wx:else><text>没有更多内容了</text></view>
 </view>
 </scroll-view>

var network_util = require('../../utils/network_util.js');
var json_util = require('../../utils/json_util.js');
Page({
 data:{
 // text:"这是一个页面"
 list:[],
 dd:'',
 hidden:false,
 page: 1,
 size: 20,
 hasMore:true,
 hasRefesh:false
 },
 onLoad:function(options){
 var that = this;
 var url = 'http://v.juhe.cn/weixin/query?key=f16af393a63364b729fd81ed9fdd4b7d&pno=1&ps=10';
 network_util._get(url,
 function(res){
 that.setData({
 list:res.data.result.list,
 hidden: true,
 });
 },function(res){
 console.log(res);
 });
 },
 onReady:function(){
 // 页面渲染完成
 },
 onShow:function(){
 // 页面显示
 },
 onHide:function(){
 // 页面隐藏
 },
 onUnload:function(){
 // 页面关闭
 },
 //点击事件处理
 bindViewTap: function(e) {
 console.log(e.currentTarget.dataset.title);
 },
 //加载更多
 loadMore: function(e) {
 var that = this;
 that.setData({
 hasRefesh:true,});
 if (!this.data.hasMore) return
 var url = 'http://v.juhe.cn/weixin/query?key=f16af393a63364b729fd81ed9fdd4b7d&pno='+(++that.data.page)+'&ps=10';
 network_util._get(url,
 function(res){
 that.setData({
 list: that.data.list.concat(res.data.result.list),
 hidden: true,
 hasRefesh:false,
 });
 },function(res){
 console.log(res);
 })
},
//刷新处理
refesh: function(e) {
 var that = this;
 that.setData({
 hasRefesh:true,
 });
 var url = 'http://v.juhe.cn/weixin/query?key=f16af393a63364b729fd81ed9fdd4b7d&pno=1&ps=10';
 network_util._get(url,
 function(res){
 that.setData({
 list:res.data.result.list,
 hidden: true,
 page:1,
 hasRefesh:false,
 });
 },function(res){
 console.log(res);
 })
},
})