2018-09-26 配置环境IDE 和修改代码服务自动重启

下载visu studio code
下载node.js

安装npm
npm install(pod install??)
安装nodemon
sudo npm install -g nodemon
安装express框架
npm install express --save

"scripts": {
"run": "./node_modules/.bin/nodemon bin/www"
},

nodemon run run

运行结果：
iosm:node xjk$ npm run run

my-silly-app@1.2.3 run /Users/xjk/Desktop/node
nodemon helloworld.js

[nodemon] 1.18.4
[nodemon] to restart at any time, enter rs
[nodemon] watching: src
[nodemon] starting node helloworld.js
Hello World!
Serverasdasd runningasdaa at http://127.0.0.1:8080/

注意一定要安装express框架

（bin/www）