上一篇：微信小程序微商城（二）：电商首页轮播、分类导航和新品特卖实现
友情提示：由于微信小程序微商城系列都是通过https调用API服务动态获取的数据模型，建议先看微信小程序微商城（一）：https框架搭建并实现导航功能。
效果展示
话不多说，直接看实现效果：
电商首页回顾
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 src="{{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)
//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
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。
微信小程序微商城系列
微信小程序微商城（一）：https框架搭建并实现导航功能
微信小程序微商城（二）：电商首页轮播、分类导航和新品特卖实现
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