微信小程序微商城（六）：動態API實現新品特賣商品流式布局技术頭條網

看效果

開發計劃

1、新品特賣商品列表佈局
2、調用動態API獲取數據並加載
3、點擊商品跳轉商品詳情

根據商品ID獲取商品詳情API數據模型

訪問：https://100boot.cn/ 選擇微商城案例，如下圖所示：

下方還有詳細的數據模型可以查看哦！

brand.wxml


 
 
 
 
 
 
 
 {{item.name}} 
 
 ￥{{item.price}}
 
 ￥{{item.privilegePrice}}
 
 {{item.discount}}折
 
 
 
 
 
 
  

 
 
 
 {{item.name}} 
 
 ￥{{item.price}}
 
 ￥{{item.privilegePrice}}
 
 {{item.discount}}折
 
 
 
 
 
 
  
 
 
 努力加載中

brand.wxss

page{ 
 height: 100%;  

 background-color: #F3F4F6;
} 
/* 單個圖片容器的樣式 */
.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;
}
/* 加載更多 */
.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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMjAiIGhlaWdodD0iMTIwIiB2aWV3Qm94PSIwIDAgMTAwIDEwMCI+PHBhdGggZmlsbD0ibm9uZSIgZD0iTTAgMGgxMDB2MTAwSDB6Ii8+PHJlY3Qgd2lkdGg9IjciIGhlaWdodD0iMjAiIHg9IjQ2LjUiIHk9IjQwIiBmaWxsPSIjRTlFOUU5IiByeD0iNSIgcnk9IjUiIHRyYW5zZm9ybT0idHJhbnNsYXRlKDAgLTMwKSIvPjxyZWN0IHdpZHRoPSI3IiBoZWlnaHQ9IjIwIiB4PSI0Ni41IiB5PSI0MCIgZmlsbD0iIzk4OTY5NyIgcng9IjUiIHJ5PSI1IiB0cmFuc2Zvcm09InJvdGF0ZSgzMCAxMDUuOTggNjUpIi8+PHJlY3Qgd2lkdGg9IjciIGhlaWdodD0iMjAiIHg9IjQ2LjUiIHk9IjQwIiBmaWxsPSIjOUI5OTlBIiByeD0iNSIgcnk9IjUiIHRyYW5zZm9ybT0icm90YXRlKDYwIDc1Ljk4IDY1KSIvPjxyZWN0IHdpZHRoPSI3IiBoZWlnaHQ9IjIwIiB4PSI0Ni41IiB5PSI0MCIgZmlsbD0iI0EzQTFBMiIgcng9IjUiIHJ5PSI1IiB0cmFuc2Zvcm09InJvdGF0ZSg5MCA2NSA2NSkiLz48cmVjdCB3aWR0aD0iNyIgaGVpZ2h0PSIyMCIgeD0iNDYuNSIgeT0iNDAiIGZpbGw9IiNBQkE5QUEiIHJ4PSI1IiByeT0iNSIgdHJhbnNmb3JtPSJyb3RhdGUoMTIwIDU4LjY2IDY1KSIvPjxyZWN0IHdpZHRoPSI3IiBoZWlnaHQ9IjIwIiB4PSI0Ni41IiB5PSI0MCIgZmlsbD0iI0IyQjJCMiIgcng9IjUiIHJ5PSI1IiB0cmFuc2Zvcm09InJvdGF0ZSgxNTAgNTQuMDIgNjUpIi8+PHJlY3Qgd2lkdGg9IjciIGhlaWdodD0iMjAiIHg9IjQ2LjUiIHk9IjQwIiBmaWxsPSIjQkFCOEI5IiByeD0iNSIgcnk9IjUiIHRyYW5zZm9ybT0icm90YXRlKDE4MCA1MCA2NSkiLz48cmVjdCB3aWR0aD0iNyIgaGVpZ2h0PSIyMCIgeD0iNDYuNSIgeT0iNDAiIGZpbGw9IiNDMkMwQzEiIHJ4PSI1IiByeT0iNSIgdHJhbnNmb3JtPSJyb3RhdGUoLTE1MCA0NS45OCA2NSkiLz48cmVjdCB3aWR0aD0iNyIgaGVpZ2h0PSIyMCIgeD0iNDYuNSIgeT0iNDAiIGZpbGw9IiNDQkNCQ0IiIHJ4PSI1IiByeT0iNSIgdHJhbnNmb3JtPSJyb3RhdGUoLTEyMCA0MS4zNCA2NSkiLz48cmVjdCB3aWR0aD0iNyIgaGVpZ2h0PSIyMCIgeD0iNDYuNSIgeT0iNDAiIGZpbGw9IiNEMkQyRDIiIHJ4PSI1IiByeT0iNSIgdHJhbnNmb3JtPSJyb3RhdGUoLTkwIDM1IDY1KSIvPjxyZWN0IHdpZHRoPSI3IiBoZWlnaHQ9IjIwIiB4PSI0Ni41IiB5PSI0MCIgZmlsbD0iI0RBREFEQSIgcng9IjUiIHJ5PSI1IiB0cmFuc2Zvcm09InJvdGF0ZSgtNjAgMjQuMDIgNjUpIi8+PHJlY3Qgd2lkdGg9IjciIGhlaWdodD0iMjAiIHg9IjQ2LjUiIHk9IjQwIiBmaWxsPSIjRTJFMkUyIiByeD0iNSIgcnk9IjUiIHRyYW5zZm9ybT0icm90YXRlKC0zMCAtNS45OCA2NSkiLz48L3N2Zz4=) 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;//默認第一頁
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
 }); 
 //加載首組圖片
 // this.loadImages();
 this.brandShow();
 }
 }) 

 }, 
 onImageLoad1: function (e) { 
 let imageId = e.currentTarget.id; 
 let oImgW = e.detail.width; //圖片原始寬度
 let oImgH = e.detail.height; //圖片原始高度
 let imgWidth = this.data.imgWidth; //圖片設置的寬度
 let scale = imgWidth / oImgW; //比例計算
 let imgHeight = oImgH * scale; //自適應高度
 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; //判斷當前圖片添加到左列還是右列
 if (col1.length <= col2.length) {
 col1.push(imageObj);
 } else {
 col2.push(imageObj);
 } 
 let data = { 
 loadingCount: loadingCount, 
 col1: col1, 
 col2: col2
 }; 
 //當前這組圖片已加載完畢，則清空圖片臨時加載區域的內容
 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) { //加載更多
 if (newGoodsData.length > 0) { 
 console.log(newGoodsData)
 sectionData['brandGoods'] = newGoodsData;
 } else {
 ifLoadMore = false; 
 this.setData({ 
 hidden: true
 })
 
 wx.showToast({ 
 title: '暫無更多內容！', 
 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();//結束動畫
 }
 })
 }, 
 catchTapCategory: function (e) { 
 var that = this; 
 var goodsId = e.currentTarget.dataset.goodsid; 
 console.log('goodsId:' + goodsId); //新增商品用戶點擊數量
 that.goodsClickShow(goodsId); //跳轉商品詳情
 wx.navigateTo({ url: '../detail/detail?goodsId=' + goodsId })
 },
 goodsClickShow(goodsId) { 
 console.log('增加商品用戶點擊數量'); var that = this;
 ajax.request({ 
 method: 'GET', 
 url: 'goods/addGoodsClickRate?key=' + utils.key + '&goodsId=' + goodsId, 
 success: data => {  

 console.log("用戶點擊統計返回結果：" + data.message)
 }
 })
 },
})