nest开发：一

[nest官方文档](Documentation | NestJS - A progressive Node.js framework)

[github文档](nestjs/nest: A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications on top of TypeScript & JavaScript (ES6, ES7, ES8) 🚀 (github.com))
安装nest

npm i -g @nestjs/cli

创建第一个demo

nest new demo

服务器demo在main.ts

npm run start:dev

controller控制路由 (@Controller装饰器修饰)

@Controller('yui')

访问

http://localhost:3000/yui