backgroundTextStyle only the value of "light" or "dark"
navigationBarTextStyle only the value of "black" or "white"
Write "Hello World"
1, created in the root directory app.json
{ "pages": ["pages/index/index"] }
2, the new pages directory in the root directory, then create a new directory in the index pages, create two files in the index directory, index.wxml and index.js
3, index.wxml content is:. <Text> Hello World </ text>
4, index.js the content Page ({})