环境 
需要安装node

开始 
1.新建项目 mkdir rest-api-demo && cd rest-api-demo

2.初始化项目 npm init

3.安装 npm install --save-dev json-server

4.在项目根目录下，新建一个 JSON 文件db.json

{
  "posts": [
    { "id": 1, "title": "json-server", "author": "typicode" }
  ],
  "comments": [
    { "id": 1, "body": "some comment", "postId": 1 }
  ],
  "profile": { "name": "typicode" }
}

5.打开 package.json，在 scripts 字段添加一行

"scripts": {
  "server": "json-server db.json", // 新加行
  "test": "..."
}

6.启动服务npm run server

\{^_^}/ hi!

Loading db.json
Done

Resources
http://localhost:3000/posts
http://localhost:3000/comments
http://localhost:3000/profile

链接: https://fly63.com/nav/825