1. (1) 新建 lib/math export function sum(num1, num2) { return num1 + num2; } export function mul(num1, num2) { return num1 * num2; }
npm install 21-searotating_utils1.
(1) 新建 lib/math
export function sum(num1, num2) {
return num1 + num2;
}
export function mul(num1, num2) {
return num1 * num2;
}
(2) 新建 lib/format.js
export function dateFormat() {
return "2022-03-09"
}
(3) 新建 index.js
import * as math from './lib/math'
import * as format from './lib/format'
export {
math,
format
}
(4) 在当前项目下生成一个 package.json 文件
--- npm init
(4) 登录 npm 账号(用户名：searotating;邮箱：2206162221@qq.com;密码：searotating1314)