参考Api：全局配置 | 微信开放文档 (qq.com)

1.使用说明

 2.使用详情

 3.使用案例

在全局配置的app.json中

 "tabBar": {
    "color": "#333",
    "selectedColor": "#d43c33",
    "backgroundColor": "#fff",
    "list": [
      {
        "pagePath": "pages/index/index",
        "text": "主页",
        "iconPath": "/static/images/tabs/tab-home.png",
        "selectedIconPath": "/static/images/tabs/tab-home-current.png"
      },
      {
        "pagePath": "pages/video/video",
        "text": "视频",
        "iconPath": "/static/images/tabs/select.png",
        "selectedIconPath": "/static/images/tabs/selected.png"
      },
      {
        "pagePath": "pages/personal/personal",
        "text": "个人中心",
        "iconPath": "/static/images/tabs/tab-my.png",
        "selectedIconPath": "/static/images/tabs/tab-my-current.png"
      }
    ]
  },

4.效果展示

 总结

• tarbar的颜色只能使用十六进制的数据