微信小程序商城开发之商城首页福利场不限下拉刷新动态API数据的代码实现

<!--福利专场 start-->  <view>   <view>    <text>福利专场</text>    <view>      <text>每天早10晚8准时上新</text>    </view>  </view>    <scroll-view>      <view>         <block>          <view>            <view>              <image></image>             </view>            <view>              {{item.name}}            </view>            <view>              <p>￥{{item.price}}</p>                <p>￥{{item.privilegePrice}}</p>               <p>{{item.discount}}折</p>              </view>                      </view>        </block>       </view>  </scroll-view>  </view>   <!--福利专场 end-->

 <view>    <view></view>    <view>努力加载中</view>  </view>

/**=========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;}

/*  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;}

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

#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();  },

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      }    })  },

  /**   * 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();     }  },

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)      }    })  },