（1）上位机底部栏 UI如何设置

上位机如果像设置个多页面切换：

位置：

代码如下：

"tabBar": {"color": "black","selectedColor": "#d43c33","borderStyle":"black","backgroundColor": "#ffffff","list": [{"pagePath": "pages/index/index","text": "","iconPath": "/picture/日志.png","selectedIconPath": "/picture/日志_填充.png"},{"pagePath": "pages/logs/logs","text": "","iconPath": "/picture/首页.png","selectedIconPath": "/picture/首页_填充.png"}]},

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