tabBar，底部三个tab，对应三个页面，创建投票，关于锋哥，我的。
新建三个页面

pages.json 页面定义

"pages": [ //pages数组中第一项表示应用启动页，参考：https://uniapp.dcloud.io/collocation/pages{"path": "pages/create/create","style": {"navigationBarTitleText": "java1234-微投票"}},{"path": "pages/author/author","style": {"navigationBarTitleText": "关于峰哥"}},{"path": "pages/my/my","style": {"navigationBarTitleText": "我的"}}],

tabBar定义 -注意iconPath文件

,"tabBar": {"color":"#4D4D4D","selectedColor":"#13227a","backgroundColor":"#FFFFFF","borderStyle":"black","position":"bottom","list": [{"text": "创建","pagePath": "pages/create/create","iconPath": "static/tabbar/icon/_create.png","selectedIconPath": "static/tabbar/icon/create.png"},{"text": "关于锋哥","pagePath": "pages/author/author","iconPath": "static/tabbar/icon/_author.png","selectedIconPath": "static/tabbar/icon/author.png"},{"text": "我的","pagePath": "pages/my/my","iconPath": "static/tabbar/icon/_my.png","selectedIconPath": "static/tabbar/icon/my.png"}]}