微信小程序微商城（六）：动态API实现新品特卖商品流式布局
2018-06-29 本文已影响677人
IT实战联盟Lin
上一篇：微信小程序微商城（五）：动态API实现商品详情页（下）
看效果
商品流式布局.gif
开发计划
1、新品特卖商品列表布局
2、调用动态API获取数据并加载
3、点击商品跳转商品详情
根据商品ID获取商品详情API数据模型
访问：https://100boot.cn/ 选择微商城案例，如下图所示：
福利专场商品列表.jpg
下方还有详细的数据模型可以查看哦！
brand.wxml
<scroll-view scroll-y="true" style="height:{{scrollH}}px" bindscrolltolower="brandShow">
<view class="goods" style="width:100%">
<view class="mg_item">
<view wx:for="{{col1}}" wx:key="id">
<view class="item_info" catchtap="catchTapCategory" data-goodsid="{{item.id}}">
<image src="{{item.imgUrl}}" style="width:100%;height:{{item.height}}px"></image>
</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>
</view>
<view class="mg_item">
<view wx:for="{{col2}}" wx:key="id" >
<view class="item_info" catchtap="catchTapCategory" data-goodsid="{{item.id}}">
<image src="{{item.imgUrl}}" style="width:100%;height:{{item.height}}px"></image>
</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>
</view>
</view>
</scroll-view>
<view style="display:none">
<image wx:for="{{brandGoods}}" wx:key="id" id="{{item.id}}" src="{{item.imgUrl}}" bindload="onImageLoad1"></image>
</view>
<view class="weui-loadmore" hidden="{{hidden}}">
<view class="weui-loading"></view>
<view class="weui-loadmore__tips">努力加载中</view>
</view>
brand.wxss
page{
height: 100%;
background-color: #F3F4F6;
}
/* 单个图片容器的样式 */
.img_item {
width: 48.5%;
margin: 2px;
display: inline-block;
vertical-align: top;
background-color: #ffffff;
font-size: 24rpx;
}
.item_info{
border-top:5px solid #F3F4F6;
}
.product-name{
color: #000;
/* height: 28px; */
text-align:left;
margin: 0px 5px;
margin-bottom: 5px;
}
.product-price-wrap .product-price-new{
color: #e80080;
margin-left:5px;
font-weight:900;
}
.product-price-wrap .product-price-old{
color: #888;
text-decoration: line-through;
padding-left: 2px;
}
.product-price-wrap .discount{
margin-left: 30px;
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;
}
brand.js
const ajax = require('../../utils/ajax.js');
const utils = require('../../utils/util.js');
var sectionData = [];
var ifLoadMore = null;
var activityId = null;
var page = 1;//默认第一页
Page({
data: {
scrollH: 0,
imgWidth: 0,
loadingCount: 0,
images: [],
col1: [],
col2: []
},
onLoad: function (options) {
activityId = options.activityId;
page = 1;
console.log('activityId:' + activityId);
wx.getSystemInfo({
success: (res) => {
let ww = res.windowWidth;
let wh = res.windowHeight;
let imgWidth = ww * 0.48;
let scrollH = wh;
this.setData({
scrollH: scrollH,
imgWidth: imgWidth
});
//加载首组图片
// this.loadImages();
this.brandShow();
}
})
},
onImageLoad1: function (e) {
let imageId = e.currentTarget.id;
let oImgW = e.detail.width; //图片原始宽度
let oImgH = e.detail.height; //图片原始高度
let imgWidth = this.data.imgWidth; //图片设置的宽度
let scale = imgWidth / oImgW; //比例计算
let imgHeight = oImgH * scale; //自适应高度
let images = this.data.brandGoods;
let imageObj = null;
for (let i = 0; i < images.length; i++) {
let img = images[i];
if (img.id+"" === imageId) {
imageObj = img;
break;
}
}
imageObj.height = imgHeight;
let loadingCount = this.data.loadingCount - 1;
let col1 = this.data.col1;
let col2 = this.data.col2;
//判断当前图片添加到左列还是右列
if (col1.length <= col2.length) {
col1.push(imageObj);
} else {
col2.push(imageObj);
}
let data = {
loadingCount: loadingCount,
col1: col1,
col2: col2
};
//当前这组图片已加载完毕，则清空图片临时加载区域的内容
if (!loadingCount) {
data.images = [];
}
this.setData(data);
},
brandShow: function (success) {
var that = this;
console.log(page)
ajax.request({
method: 'GET',
url: 'goods/getActivityGoodsList?key=' + utils.key + '&activityId=' + activityId+'&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)
sectionData['brandGoods'] = 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;
sectionData['brandGoods'] = newGoodsData;//刷新
}
}
that.setData({
brandGoods: sectionData['brandGoods'],
loadingCount: sectionData['brandGoods'].length,
});
console.log(that.data.brandGoods)
wx.stopPullDownRefresh();//结束动画
}
})
},
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
微信小程序微商城系列 都是通过https 动态获取数据并展示的，建议从第一篇开始阅读。大家多多支持本系列文章会继续更新下去，谢谢各位！大家在使用过程中有哪些建议可以提出来，我们一起学习哈~~~
微信小程序微商城系列
微信小程序微商城：开发者key获取
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
微信小程序微商城（三）：电商首页福利专场无限下拉刷新动态API数据实现
微信小程序微商城（四）：动态API实现商品详情页（上）
微信小程序微商城（五）：动态API实现商品详情页（下）
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如果需要源码可以关注“IT实战联盟”公众号并留言（微商城源码，5个字会收到源码下载地址，一定要看源码里面的操作手册会少走很多弯路），也可以加入交流群和作者互撩哦~~~
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