Use react Official scaffolding, in development, will inevitably want to configure their own interface services environment, play a different package, as a front-end, it's all you want to automate manual and error-prone to change, and too much trouble, then record your own Configuring trip. . .
Compatible react IE 7 - 8 Low version
Concrete placement
... create a project ....
Project structure
.Env also create a file in the root directory of the project, the default read (set a specific environment interface address)
.env.development， 设置开发环境接口地址
.env.test,设置测试环境接口地址
.env.production设置生产环境接口地址
.Env the beginning of the file again, you need to set the variable name, you must REACT_APP_ work to begin with
Development Interface Configuration
Production Interface Configuration
Print Test
And then add the following code to test index.js
console.log(process.env)Start Service
Elevation start
Configure different packaging environments, refer to another article, a combination of both
