vue 后端nodejsexpress-generator 脚手架环境搭建

使用脚手架生成器
//在全局安装脚手架
npm install express-generator -g 
npm install express --save  安装express
express emall-backend  创建一个项目文件夹
日志输出
warning: the default view engine will not be jade in future releases
warning: use `--view=jade' or `--help' for additional options

create : emall-backend\
create : emall-backend\public\
create : emall-backend\public\javascripts\
create : emall-backend\public\images\
create : emall-backend\public\stylesheets\
create : emall-backend\public\stylesheets\style.css
create : emall-backend\routes\
create : emall-backend\routes\index.js
create : emall-backend\routes\users.js
create : emall-backend\views\
create : emall-backend\views\error.jade
create : emall-backend\views\index.jade
create : emall-backend\views\layout.jade
create : emall-backend\app.js
create : emall-backend\package.json
create : emall-backend\bin\
create : emall-backend\bin\www

   change directory:
> cd emall-backend    进入项目目录

   install dependencies:
> npm install   安装

   run the app:
> SET DEBUG=emall-backend:* & npm start   启动
在浏览器输入 http://localhost:3000 
显示
Express
Welcome to Express    说明环境搭建成功

vscode 执行命令 npm strat 报错

npm start + ~~~ + CategoryInfo : SecurityError: (:) []，PSSecurityException + FullyQualifiedErrorId : UnauthorizedAccess

解决办法

临时

Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope Process -Force

永久

# 以管理员身份运行 PowerShell
Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Force