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1.有四个导航:推荐、食品、服装、用品;点击不同的按钮,展示不同的内容 2.wxml <view class='nav'> <block wx:for="{{nav}}" wx:key="key"> <view class="{{ curIndex === item.id ? 'txt' : ''}}" data->{{item.title}}</view> </block> </view> <scroll-view> <block wx:for="{{list}}" wx:key="key"> <block wx:if="{{curNav == 0 }}"> <view class='msg'> <text class='name'>{{item.name}}</text> <text class='price'>{{item.price}}</text> </view> </block> <block wx:elif="{{curNav == item.type }}"> <view class='msg'> <text class='name'>{{item.name}}</text> <text class='price'>{{item.price}}</text> </view> </block> </block> </scroll-view> 2.wxss /* pages/nav/nav.wxss */ .nav{ display: flex; justify-content: center; align-items: center; height:150rpx; } .nav view{ width:33.33%; text-align: center; } .txt{ color:#f00; } .msg{ height:150rpx; display: flex; align-items: center; border:1px solid #ddd; padding:0 60rpx; } .msg text{ display: block; } .msg .name{ width:300rpx; margin-right:30rpx; } 3.js data: { nav:[ { title:"推荐", id:0 }, { title: "食物", id: 1 }, { title: "服装", id: 2 }, { title: "用品", id: 3 } ], list:[ { id:1, name:'辣条', price:3.5, type:1 }, { id: 2, name: '辣条1', price: 3.5, type: 1 }, { id: 3, name: '男装', price: 300, type: 3 }, { id: 4, name: '豆腐', price: 1, type: 1 }, { id: 5, name: '女装', price: 150, type: 2 }, { id: 6, name: '儿童装', price: 80, type: 2 }, { id: 7, name: '锅', price: 58, type: 3 }, { id: 8, name: '床上四件套', price: 155, type: 3 }, ], curNav:0, curIndex:0 }, navTap(e){ let id = e.currentTarget.dataset.id; console.log(id); this.setData({ curNav: id, curIndex:id }) }, 重点:根据商品的type值来判断展示的内容,如果type值为0,展示所有的商品,如果type的值为1,2,3时,显示相应的商品type的信息 |
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