onPullDownRefresh(){　　console.log('--------下拉刷新-------')　　wx.showNavigationBarLoading() //在標題欄中顯示加載　　wx.request({     url: 'https://URL',     data: {},     method: 'GET',     // OPTIONS, GET, HEAD, POST, PUT, DELETE, TRACE, CONNECT     // header: {}, // 設置請求的 header     success: function(res){      // success     },     fail: function() {      // fail     },     complete: function() {      // complete      wx.hideNavigationBarLoading() //完成停止加載      wx.stopPullDownRefresh() //停止下拉刷新   }})  

<!--index.wxml--> <view class="container" style="padding:0rpx">  <!--垂直滾動，這里必須設置高度-->   <scroll-view scroll-top="{{scrollTop}}" scroll-y="true" style="height:{{scrollHeight}}px;"     class="list" bindscrolltolower="bindDownLoad" bindscrolltoupper="topLoad" bindscroll="scroll">     <view class="item" wx:for="{{list}}">       <image class="img" src="{{item.pic_url}}"></image>       <view class="text">         <text class="title">{{item.name}}</text>         <text class="description">{{item.short_description}}</text>       </view>     </view>   </scroll-view>   <view class="body-view">     <loading hidden="{{hidden}}" bindchange="loadingChange">       加載中...     </loading>   </view> </view>

var url = "http://www.imooc.com/course/ajaxlist";var page =0;var page_size = 5;var sort = "last";var is_easy = 0;var lange_id = 0;var pos_id = 0;var unlearn = 0; // 請求數據<br> var loadMore = function(that){  that.setData({    hidden:false  });  wx.request({    url:url,<br>    data:{      page : page,      page_size : page_size,      sort : sort,      is_easy : is_easy,      lange_id : lange_id,      pos_id : pos_id,      unlearn : unlearn    },    success:function(res){      //console.info(that.data.list);      var list = that.data.list;      for(var i = 0; i < res.data.list.length; i++){        list.push(res.data.list[i]);      }      that.setData({        list : list      });      page ++;      that.setData({        hidden:true      });    }  });}Page({ data:{  hidden:true,  list:[],  scrollTop : 0,  scrollHeight:0 }, onLoad:function(){  //  這里要注意，微信的scroll-view必須要設置高度才能監聽滾動事件，所以，需要在頁面的onLoad事件中給scroll-view的高度賦值   var that = this;   wx.getSystemInfo({     success:function(res){       that.setData({         scrollHeight:res.windowHeight       });     }   });    loadMore(that); }, //頁面滑動到底部 bindDownLoad:function(){    var that = this;   loadMore(that);   console.log("lower"); }, scroll:function(event){  //該方法綁定了頁面滾動時的事件，我這里記錄了當前的position.y的值,為了請求數據之后把頁面定位到這里來。   this.setData({     scrollTop : event.detail.scrollTop   }); }, topLoad:function(event){  //  該方法綁定了頁面滑動到頂部的事件，然后做上拉刷新   page = 0;   this.setData({     list : [],     scrollTop : 0   });   loadMore(this);   console.log("lower"); }<br> })

/**index.wxss**/  .userinfo {  display: flex;  flex-direction: column;  align-items: center; }  .userinfo-avatar {  width: 128rpx;  height: 128rpx;  margin: 20rpx;  border-radius: 50%; }  .userinfo-nickname {  color: #aaa;}  .usermotto {  margin-top: 200px; }  /**/  scroll-view {  width: 100%; }  .item {  width: 90%;  height: 300rpx;  margin: 20rpx auto;  background: brown;  overflow: hidden; }  .item .img {  width: 430rpx;  margin-right: 20rpx;  float: left; }  .title {  font-size: 30rpx;  display: block;  margin: 30rpx auto; }  .description { font-size: 26rpx;  line-height: 15rpx;}