微信小程序?qū)崿F(xiàn)商品數(shù)據(jù)聯(lián)動(dòng)效果
微信小程序?qū)崿F(xiàn)商品數(shù)據(jù)聯(lián)動(dòng)
直接復(fù)制代碼更改可以看出效果,然后根據(jù)自己想要進(jìn)行調(diào)整
注: 以下商品圖片用于測試,如有侵權(quán)請通知,會(huì)刪除相關(guān)圖片。
js部分:
// pages/demo1/demo1.js //存放右側(cè)分類的高度累加數(shù)組 var heightList = []; //記錄scroll-view滾動(dòng)過程中距離頂部的高度 var distanceToTop = 0; Page({ /** * 頁面的初始數(shù)據(jù) */ data: { curActive: 0, //當(dāng)前選中項(xiàng) productList: [{ c_name: '新鮮水果', list: [{ id: 0, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '櫻桃' }, { id: 1, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '荔枝' }, { id: 2, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '荔枝' }, { id: 3, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '荔枝' }, { id: 4, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '荔枝' }, { id: 5, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '荔枝' }, { id: 6, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '荔枝' }, { id: 7, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '荔枝' }, ] }, { c_name: '海鮮水產(chǎn)', list: [{ id: 0, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 1, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 2, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 3, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 4, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 5, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 6, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 7, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 8, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, ] }, { c_name: '測試數(shù)據(jù)1', list: [{ id: 0, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 1, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 2, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 3, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 4, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 5, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 6, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 7, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 8, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, ] }, { c_name: '測試數(shù)據(jù)2', list: [{ id: 0, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 1, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 2, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 3, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 4, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 5, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 6, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 7, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, { id: 8, img: 'https://img.alicdn.com/imgextra/i4/615340156/O1CN0117eRFg1D1UYcEhmXj_!!0-saturn_solar.jpg_468x468q75.jpg_.webp', goodsName: '鮑魚' }, ] } ] }, /** * 左側(cè): 菜單事件 * @param {*} e */ selectMenu(e) { let index = e.currentTarget.dataset.index; this.setData({ curActive: index, toView: "nav" + index }) }, /** * 獲取商品列表高度 * 計(jì)算右側(cè)商品某分類的高度 */ getProListHeight() { let tmpHeightList = []; let tmpH = 0; //臨時(shí)存放每個(gè)分類的高度 // 獲取元素信息 返回一個(gè) SelectorQuery 對象實(shí)例 const query = wx.createSelectorQuery() query.selectAll('.product').boundingClientRect() query.exec(function (res) { res[0].forEach((item) => { tmpH += item.height; // Math.floor()向下取整 【根據(jù)個(gè)人需要修改】 tmpHeightList.push(Math.floor(tmpH)); }) heightList = tmpHeightList; console.log(heightList); }) }, /** * 監(jiān)聽滾動(dòng)時(shí)觸發(fā)事件 * @param {*} e */ scroll(e) { if (heightList.length == 0) return; let scrollTop = e.detail.scrollTop; //滾動(dòng)位置 let current = this.data.curActive; console.log('scrollTop======>', scrollTop); if (scrollTop > distanceToTop) { //如果右側(cè) 可視區(qū)域的豎直滾動(dòng)位置 超過 當(dāng)前列表選中項(xiàng)距頂部的高度(且沒有下標(biāo)越界),則更新左側(cè)選中項(xiàng) if ((current + 1 < heightList.length) && (scrollTop >= heightList[current])) { this.setData({ curActive: current + 1 }) } } else { //如果右側(cè) 可視區(qū)域的豎直滾動(dòng)位置 小于 當(dāng)前列表選中的項(xiàng)距頂部的高度,則更新左側(cè)選中項(xiàng) if ((current - 1 >= 0) && (scrollTop < heightList[current - 1])) { this.setData({ curActive: current - 1 }) } } //更新頂部的距離 distanceToTop = scrollTop; }, /** * 生命周期函數(shù)--監(jiān)聽頁面加載 */ onLoad: function (options) { // 獲取商品列表高度 this.getProListHeight(); }, /** * 生命周期函數(shù)--監(jiān)聽頁面初次渲染完成 */ onReady: function () { }, /** * 生命周期函數(shù)--監(jiān)聽頁面顯示 */ onShow: function () { }, /** * 生命周期函數(shù)--監(jiān)聽頁面隱藏 */ onHide: function () {}, /** * 生命周期函數(shù)--監(jiān)聽頁面卸載 */ onUnload: function () { }, /** * 頁面相關(guān)事件處理函數(shù)--監(jiān)聽用戶下拉動(dòng)作 */ onPullDownRefresh: function () { console.log('觸發(fā)下拉') }, /** * 頁面上拉觸底事件的處理函數(shù) */ onReachBottom: function () { console.log('觸發(fā)上拉觸底') }, /** * 用戶點(diǎn)擊右上角分享 */ onShareAppMessage: function () {} })
然后是wxml部分:
<view class="title">商品數(shù)據(jù)聯(lián)動(dòng)</view> <view class="box"> <view class="left"> <scroll-view scroll-y="true" scroll-with-animation="true" class="container"> <view class="menu-item {{index == curActive ? 'active' : ''}}" wx:for="{{productList}}" data-index="{{index}}" wx:key="index" bindtap="selectMenu"> {{item.c_name}} </view> </scroll-view> </view> <view class="right"> <scroll-view scroll-y="true" scroll-with-animation="true" bindscroll="scroll" scroll-into-view="{{toView}}" style="height: 100%"> <block wx:for="{{productList}}" wx:key="*this"> <!-- id:實(shí)現(xiàn)點(diǎn)擊左側(cè)某分類時(shí),右側(cè)滾動(dòng)至相應(yīng)位置(注意:id不能以數(shù)字開頭)--> <view id="nav{{index}}" class="product"> <view class="c_name">{{item.c_name}}</view> <view class="goods-box"> <view class="goods-item" wx:for="{{item.list}}" wx:for-item='items' wx:key="index"> <image class="goods-img" src="{{items.img}}" mode="aspectFit"></image> <view class="goods-name">{{items.goodsName}}</view> </view> </view> </view> </block> <view class="bottom">到底了~沒有更多了</view> </scroll-view> </view> </view>
然后是css部分:
.title { text-align: center; margin-top: 30px; } .box{ width: 100%; height: 400px; display: flex; } .left { width: 80px; display: inline-block; } .right{ flex: 1; background: #ccc; } .container { width: 100%; height: 400px; background-color: gray; padding: 0; } .menu-item { width: 100%; height: 50px; border-bottom: 1px solid #000; background-color: pink; line-height: 50px; text-align: center; } .active { background-color: red; } .c_name{ width: 100%; text-align: center; padding-top: 20px; } .goods-box { display: flex; justify-content: flex-start; flex-wrap: wrap; } .goods-item{ width: 80px; height: 100px; display: flex; flex-direction: column; justify-content: center; align-items: center; } .goods-img{ width: 50px; } .bottom{ width: 100%; height: 60px; text-align: center; line-height: 80px; font-size: 10px; color: rgb(139, 135, 135); }
到此這篇關(guān)于微信小程序?qū)崿F(xiàn)商品數(shù)據(jù)聯(lián)動(dòng)的文章就介紹到這了,更多相關(guān)小程序商品數(shù)據(jù)聯(lián)動(dòng)內(nèi)容請搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家!
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