node(node)

npm i koa-router –vnpm install nodemon –save

npm i koa-router –save

npm i koa-body –save

npm install –save koa

npm install nodemon -g

node app.js

nodemon app.js

安装 调试

————————

npm i koa-router –vnpm install nodemon –save

npm i koa-router –save

npm i koa-body –save

npm install –save koa

npm install nodemon -g

node app.js

nodemon app.js

install   debugging