微信小程序tab栏切换

index.wxml

<text  data-current="0" class="{{currentTab == 0? ‘active‘ : ‘‘}}">消息</text>
<text  data-current="1" class="{{currentTab == 1 ? ‘active‘ : ‘‘}}">通知</text>
<view hidden="{{isShow}}">消息</view>
<view hidden="{{!isShow}}">消息</view>

index.js

data: {
isShow: true,
currentTab: 0
}
switcher: function (e) {
    if (this.data.currentTab == e.target.dataset.current) {
        return false
    } else {
        var showMode = e.target.dataset.current == 0;
        this.setData({
            currentTab: e.target.dataset.current,
            isShow: showMode
        })
    }
},