頂部導航欄之一(選項卡TabBar動態顯示幾個 滑動，點擊)

< view class= "navbar"> < text wx:for= "{{navbar}}" data-idx= "{{index}}" class= "item {{currentTab==index ? 'active' : ''}}" wx:key= "unique" bindtap= "navbarTap">{{item}} </ text > </ view > < swipe

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