前言
微信小程序动态展现标题栏案例
源代码
pages/components/nav/nav.wxml
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| <view class="nav"> <view wx:for="{{key}}" class="{{a==index?'active':''}}" bindtap="click" data-a="{{index}}" > {{item.title}} </view> </view>
|
pages/components/nav/nav.wxss
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| .nav { display: flex; } .nav view { flex: 1; text-align: center; line-height: 120rpx; } .nav .active { color: #2095dd; border-bottom: 5rpx solid #2095dd; }
|
pages/components/nav/nav.js
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| Component({
properties: { key: { type: Array, value: "" } },
data: { a: 0 },
methods: { click: function(event) { this.setData({ a: event.target.dataset.a }); } }
})
|
pages/components/nav/nav.json
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| { "component": true, "usingComponents": {} }
|
pages/index/index.json
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| { "usingComponents": { "nav": "../components/nav/nav" } }
|
pages/index/index.js
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| Page({
data: { arr: [ { id: 0, title: "推荐" }, { id: 1, title: "排行" }, { id: 2, title: "分类" }, { id: 3, title: "歌手" }, { id: 4, title: "MV" } ] }
})
|
pages/index/index.wxml
1
| <nav key="{{arr}}"></nav>
|
完成
参考文献
哔哩哔哩——Python小清风