navbar.wxml

<view class="page">
    <view class="page__bd">
        <view class="weui-tab">
            <view class="weui-navbar">
                <block wx:for="{{tabs}}" wx:key="*this">
                    <view id="{{index}}" class="weui-navbar__item {{activeIndex == index ? 'weui-bar__item_on' : ''}}" bindtap="tabClick">
                        <view class="weui-navbar__title">{{item}}</view>
                    </view>
                </block>
            </view>
            <view class="weui-tab__panel">
                <view class="weui-tab__content" hidden="{{activeIndex != 0}}">选项一的内容</view>
                <view class="weui-tab__content" hidden="{{activeIndex != 1}}">选项二的内容</view>
                <view class="weui-tab__content" hidden="{{activeIndex != 2}}">选项三的内容</view>
            </view>
        </view>
    </view>
</view>