配置json-server

1.全局安装json-server【可能需要管理员权限】

npm i -g json-server

2.创建文件夹jsonerver,初始化package.json文件
npm init

3.局部安装json-server
npm i json-server --save

4.修改package.json文件,配置启动方式
"scripts":{
"json:server":"json-server --watch db.json"
}

5.创建db.json文件

{
	"users":[
		{
			"name":"zs",
			"phone":"123",
			"email":"[email protected]",
			"id":1,
			"age":12,
			"companyid":1
		},
		{
			"name":"ls",
			"phone":"234",
			"email":"[email protected]",
			"id":2,
			"age":13,
			"companyid":2
		},
		{
			"name":"ww",
			"phone":"345",
			"email":"[email protected]",
			"id":3,
			"age":14,
			"companyid":3
		},
		{
			"name":"cl",
			"phone":"456",
			"email":"[email protected]",
			"id":4,
			"age":15,
			"companyid":3
		}
	],
	"companies":[
		{
			"id":1,
			"name":"Apple",
			"des":"apple is good"
		},
		{
			"id":2,
			"name":"ms",
			"des":"ms is good"
		},
		{
			"id":3,
			"name":"gg",
			"des":"gg is good"
		}
	]
}

　　

6.运行
npm run json:server

localhost:3000/xxx
只能运行一个3000的端口，如果含有另一个3000端口，会运行不成功