//export
export let A=123; //导出 //导出函数
export function test(){
console.log('test');
}
//导出类
export class Hello{
test(){
console.log('class');
}
} 引用:
模块化 17
import {A,test,Hello} from './class/lesson17.js';
导入所有内容 import * as lesson from './class/lesson17';
console.log(A,test,Hello); //123 ƒ test() {
console.log('test');
} ƒ Hello() {
_classCallCheck(this, Hello);
} 第二种(提倡)
//提倡的方式
let A=123;
let test=function(){
console.log('test');
}
class Hello{
test(){
console.log('class');
}
}
//从这里导入
export default {
A,
test,
Hello
} 引用:

// import Lesson17 from './class/lesson17';
// console.log(Lesson17.A); //123

  

04-21 10:58
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