ECMAScript 6的导入和导出：import 、export

import { dog , person , hero } from ‘./common.js‘;
import { hello,Plane } from ‘./common.js‘;
import { car , rain } from ‘./common.js‘;
import shrimp from ‘./common.js‘;

console.log(lottery);

console.log(dog,person,hero);

hello();

let plane = new Plane(‘波音787梦想飞机‘);
plane.fly();

console.log(car);

rain();

console.log(shrimp);

/****** 单个导出  ******/

// 导出变量

export var dog = ‘沙皮狗‘;
export let person = ‘Leonardo Da Vinci‘;
export const hero = ‘常山赵子龙‘;

//导出函数

export function hello(){
    console.log(‘hello‘);
}

// 导出类

export class Plane{
    constructor(name){
        this.name = name;
    }
    fly(){
        console.log(this.name+‘起飞‘);
    }
}

/******  批量导出  ******/

let car = ‘Ferrari 612‘;

function rain(){
    console.log(‘正在下雨‘);
}
export { car,rain };

/****** 默认导出 ******/

export default ‘雀尾螳螂虾‘;
//export default function(){};
//export default class{};