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This article mainly introduces the relevant knowledge of "how WeChat Mini Programs develops the top navigation bar". The editor shows you the operation process through an actual case, and the operation method is simple, fast and practical. I hope this article "how WeChat Mini Programs develops the top navigation bar" can help you solve the problem.

Effect picture:

Wxml:

{{item}} tab_01 tab_02 tab_03

Wxss:

Page {display: flex; flex-direction: column; height: 100%;} .navbar {flex: none; display: flex; background: # fff;} .navbar .item {position: relative; flex: auto; text-align: center; line-height: 80rpx;} .navbar .item.active {color: # FFCC00;} .navbar .item.active: after {content: "; display: block; position: absolute; bottom: 0; left: 0 Right: 0; height: 4rpx; background: # FFCC00;}

Js:

Var app = getApp () Page ({data: {navbar: ['Home', 'search','I'], currentTab: 0}, navbarTap: function (e) {this.setData ({currentTab: e.currentTarget.dataset.idx})})

Run:

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