创建一个json-server服务器

json-server

• 官网
  https://www.npmjs.com/package/json-server#getting-started

• 1 全局安装json-server
  npm install -g json-server
  2 创建json文件存储数据

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

• 3 启动json-server服务器
  json-server --watch db.json
• 4 Restfull风格接口
  GET获取
  POST插入
  PUT更新整条数据
  PATCH部分更新
  DELETE 删除数据
  _page 页码
  _limit 每页显示数量，默认10
  GET /posts
  GET /posts/1
  POST /posts
  PUT /posts/1
  PATCH /posts/1
  DELETE /posts/1
  GET /posts?title=json-server&author=typicode
  GET /posts?id=1&id=2
  GET /comments?author.name=typicode
  GET /posts?_page=7
  GET /posts?_page=7&_limit=20