电商首页福利专场无限下拉刷新动态API数据实现

效果展示

话不多说，直接看实现效果：

福利专场商品无限下拉展示.gif

电商首页回顾

功能模块.jpg

如上图所示，电商首页只剩下第五个模块-福利专场，福利专场是商品列表集合 我们将采用无限下来刷新的方式来实现改业务。

福利专场数据模型

福利专场API.png

福利专场API详情可以通过访问 https://100boot.cn 选择案例查看。

home.wxml

福利专场商品列表布局

<!--福利专场 start-->
  <view class="welfare-container"> 
  <view class="category-title">
    <text class="title">福利专场</text>
    <view class="line_name">
      <text>每天早10晚8准时上新</text>
    </view>
  </view>  
  <scroll-view scroll-y="true">
      <view class="welfares">
         <block wx:for-items="{{newGoods}}" wx:key="id">
          <view class="welfares-good" catchtap="catchTapCategory" data-name="{{item.name}}" data-goodsid="{{item.id}}">
            <view>
              <image class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="{{item.imgUrl}}" class="welfares-image" mode="widthFix"/> 
            </view>
            <view class="product-name">
              {{item.name}}            </view>
            <view class="product-price-wrap">
              <p class="product-price-new">￥{{item.price}}</p>  
              <p class="product-price-old">￥{{item.privilegePrice}}</p> 
              <p class="discount">{{item.discount}}折</p>  
            </view>
            
          </view>
        </block> 
      </view>
  </scroll-view>  </view>   <!--福利专场 end-->

福利专场商品列表下拉加载更多布局

 <view class="weui-loadmore" hidden="{{hidden}}">
    <view class="weui-loading"></view>
    <view class="weui-loadmore__tips">努力加载中</view>
  </view>

home.wxss

福利专场商品列表css样式

/**=========福利专场============**/.welfares{  display: flex;  justify-content: left;  flex-direction: row;  flex-wrap: wrap;  margin:10px 5px;
}.welfares-good{  /* height: 500rpx;  */
  width: 47%;  margin:0px auto;  margin-bottom: 20px;  position: relative;  display: inline-block;  font-size: 24rpx;  /* border: 1px #eee solid;  */}.welfares-image{  width: 100%;  display: inline-block;  border: 1px #eee solid; 
}.welfares-good .product-name{  color: #000;  /* height: 28px; */
  text-align:left;   margin: 0px 5px; 
   margin-bottom: 5px; 
}.product-price-wrap{  height: 40rpx;
}.product-price-wrap .product-price-new{  color: #e80080;  margin-left:5px;  font-weight:900;  font-size: 30rpx;
}.product-price-wrap .product-price-old{  color: #888;  text-decoration: line-through;  padding-left: 2px;
}.product-price-wrap .discount{  position: absolute;  right: 5px;  background-color: #000;  color: #fff;
}

福利专场商品列表下拉加载更多样式

/*  加载更多   */.weui-loading {  margin: 0 5px;  width: 20px;  height: 20px;  display: inline-block;  vertical-align: middle;  -webkit-animation: weuiLoading 1s steps(12, end) infinite;  animation: weuiLoading 1s steps(12, end) infinite;  background: transparent url(data:image/svg+xml;base64,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) no-repeat;  background-size: 100%;
}.weui-loadmore {  width: 65%;  margin: 1.5em auto;  line-height: 1.6em;  font-size: 12px;  text-align: center;
}.weui-loadmore__tips {  display: inline-block;  vertical-align: middle;  color: #888;
}

home.js

福利专场商品列表初始化

#初始化数据接上篇var sectionData = [];var ifLoadMore = null;var page = 1;//默认第一页data: {
    hidden:false,
  },

页面初始化加载福利专场商品列表函数

#接上篇/**
   * 生命周期函数--监听页面加载
   */onLoad: function (options) {     //加载福利专场
    that.newGoodsShow();
  },

福利专场商品列表数据模型处理

newGoodsShow: function (success) {    var that = this;
    ajax.request({      method: 'GET',      url: 'goods/getHotGoodsList?key='+ utils.key+'&page=' + page+'&size=10',      success: data => {        var newGoodsData = data.result.list;
        page += 1;        if (ifLoadMore) {          //加载更多
          if (newGoodsData.length > 0){            console.log(newGoodsData)            //日期以及title长度处理
            for (var i in newGoodsData) {              //商品名称长度处理
              var name = newGoodsData[i].name;              if (name.length > 26) {
                newGoodsData[i].name = name.substring(0, 23) + '...';
              }
            }
            sectionData['newGoods'] = sectionData['newGoods'].concat(newGoodsData);

          }else{
              ifLoadMore = false;              this.setData({                hidden:true
              })
              wx.showToast({                title: '暂无更多内容！',                icon: 'loading',                duration: 2000
              })
          }
          
        }else{          if (ifLoadMore == null){
            ifLoadMore = true;            //日期以及title长度处理
            for (var i in newGoodsData) {              //商品名称长度处理
              var name = newGoodsData[i].name;              if (name.length > 26) {
                newGoodsData[i].name = name.substring(0, 23) + '...';
              }
            }
            sectionData['newGoods'] = newGoodsData;//刷新
          }
          
        }
        that.setData({          newGoods: sectionData['newGoods'],          // isHideLoadMore: true
        });
        wx.stopPullDownRefresh();//结束动画
      }
    })
  },

福利专场商品列表上拉触底事件

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {    console.log("上拉");    var that = this;    console.log('加载更多');    if (ifLoadMore != null){
      that.newGoodsShow();

    }
  },

商品点击查看详情事件采集

商品点击查看详情事件采集.png

catchTapCategory: function (e) {    var that = this;    var goodsId = e.currentTarget.dataset.goodsid;    console.log('goodsId:' + goodsId);    //新增商品用户点击数量
    that.goodsClickShow(goodsId);    //跳转商品详情
    // wx.navigateTo({ url: '../detail/detail?goodsId=' + goodsId })
  },
  goodsClickShow(goodsId) {    console.log('增加商品用户点击数量');    var that = this;
    ajax.request({      method: 'GET',      url: 'goods/addGoodsClickRate?key=' + utils.key + '&goodsId=' + goodsId,      success: data => {        console.log("用户点击统计返回结果：" + data.message)
      }
    })
  },

备注：本文是为了更好的让大家能够有模块化的思维来实现改电商案例，后续依然会采用这种方式，因为更贴近与实际工作场景，也让自己的编码更加的规范增加可阅读性。

原文出处