└─ project-root/ ·································· 项目所在目录
├─ pages/ ······································ 页面目录
│ ├─ board/ ··································· board页面
│ ├─ item/ ···································· item页面
│ ├─ list/ ···································· list页面
│ ├─ profile/ ································· profile页面
│ └─ search/ ·································· search页面目录
├─ app.js ······································ 应用程序逻辑
└─ app.json ···································· 应用程序配置
直接在微信Web开发者工具中打开project-root
app.json文件中tabBar.list必须有多个成员才会显示tabBar