"tabBar": {
"color": "#000",
"selectedColor": "#387CFB",
"position": "bottom",
"borderStyle": "white",
"list": [
{
"pagePath": "pages/index/index",
"text": "首页",
"iconPath": "images/index/ic_tab_index.png",
"selectedIconPath": "data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4KPHN2ZyB3aWR0aD0iMzZweCIgaGVpZ2h0PSIzNnB4IiB2aWV3Qm94PSIwIDAgMzYgMzYiIHZlcnNpb249IjEuMSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzI....."
配置中不支持
使用api的话支持网络图片
https://developers.weixin.qq.com/miniprogram/dev/api/ui/tab-bar/wx.setTabBarItem.html