node.js ?设置脚本命令

// /bin/main.js#!/usr/bin/env nodeconsole.log( ?123);

{ ?"name": "sh", ?"version": "1.0.0", ?"description": "", ?"main": "main.js", ?"scripts": { ???"test": "echo \"Error: no test specified\" && exit 1" ?}, ?"author": "", ?"license": "ISC", ?"bin": { ???"r32": "./bin/main.js" ?}}

#!/usr/bin/env nodeconst { ?argv} = require('yargs') ?.config({ ???s: 'c0' ?}) ?.option('all', { ???describe: '查看返回字符串类型' ?}) ?.alias('v', 'version') ?.help('help')if (argv.version) { ?console.log('1.0.0'); ?return;}if (argv.all) { ?console.log(` ???--s=c0 ?默认返回大小写字母和数字 [c1 全大写] [c2 全小写] [c3 全小写] ?`); ?return;}let len = argv._[0] && typeof + argv._[0] === "number" ? ?+argv._[0] : ?32const c0 = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678'; // 大小写字母和数字const c1 = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; // 大写const c2 = 'abcdefghijklmnopqrstuvwxyz'; // 小写const c3 = '123456789'; // 小写let c = argv.s; // 默认大小写数字switch (c) { ?case 'c1': ???c = c1; ???break; ?case 'c2': ???c = c2; ???break; ?case 'c3': ???c = c3; ???break; ?default: ???c = c0; ???break;}const random = (a, b) => Math.floor(Math.random() * (b - a + 1) + a);function randomString32(len, c) { ?// 返回随机字符串 ?const c_len = c.length; ?return new Array(len) ???.fill() ???.reduce((acc) => acc += c[random(0, c_len - 1)], '')}const str = randomString32(len, c);const exec = require('child_process').exec ;exec(`echo ${str} | clip`, (error, stdout, stderr)=>{ ?if(error) console.log('复制到粘贴板失败!');})console.log(str);