Sample code for top navigation bar in mini program

巴扎黑
Release: 2017-09-12 10:56:29
Original
2354 people have browsed it

微信小程序 开发之顶部导航栏

需求:顶部导航栏

wxml:

<!--导航条--> 
<view class="navbar"> 
 <text wx:for="pw_navbar" data-idx="pw_index" class="item pw_currentTab==index ? 'active' : ''" wx:key="unique" bindtap="navbarTap">pw_item</text> 
</view> 
 
<!--首页--> 
<view hidden="pw_currentTab!==0"> 
 tab_01 
</view> 
 
<!--搜索--> 
<view hidden="pw_currentTab!==1"> 
 tab_02 
</view> 
 
<!--我--> 
<view hidden="pw_currentTab!==2"> 
 tab_03 
</view>
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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; 
}
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js:

var app = getApp() 
Page({ 
 data: { 
  navbar: ['首页', '搜索', '我'], 
  currentTab: 0 
 }, 
 navbarTap: function(e){ 
  this.setData({ 
   currentTab: e.currentTarget.dataset.idx 
  }) 
 } 
})
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