Tutorial on implementing the pull-up loading and pull-down refresh effects of lists in mini program development

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="pw_hidden" bindchange="loadingChange">
 加载中... </loading> 
 <scroll-view scroll-y="true" style="height: 100%;" bindscrolltolower="loadMore" bindscrolltoupper="refesh"> <view wx:if="pw_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="pw_list" wx:for-item="item" bindtap="bindViewTap" data-title="pw_item.title" > <image style=" width: 50px;height: 50px;margin: 20rpx;" src="pw_item.firstImg" ></image> <view class="eee" > 
 <view style="margin:5px;font-size:8px"> 标题:pw_item.title</view> <view style="margin:5px;color:red;font-size:6px"> 来源:pw_item.source</view> </view></view><view class="tips1"> <view wx:if="pw_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); })},})