小程序底部tapbar

app.json

  "tabBar": {
    "color": "#ccc",
    "selectedColor": "#000000",
    "backgroundColor": "#FFFFFF",
    "position": "top",
    "list": [
      {
        "iconPath": "images/10.jpg",
        "selectedIconPath": "images/s1.jpg",
        "pagePath": "pages/liu/liu",
        "text": "刘备"
      },
      {
        "iconPath": "images/2.jpg",
        "selectedIconPath": "images/s3.jpg",
        "pagePath": "pages/guan/guan",
        "text": "关羽"
      },
      {
        "iconPath": "images/3.jpg",
        "selectedIconPath": "images/s5.jpg",
        "pagePath": "pages/zhang/zhang",
        "text": "张飞"
      }
    ]
  },

<!-- （最少两个，最多五个） -->

　　

官方tapbar链接

https://developers.weixin.qq.com/miniprogram/dev/reference/configuration/app.html