export和export default 区别
export default 引入时是没有 {}
const a1 = 1;
import a1 from "./xx.js"
export 是有｛｝
export function f1(){}
export function f2(){}
import {f1,f2} from "/xxx.js"
export和export default 区别
原文：https://www.cnblogs.com/taotao168/p/14428295.html
