1.原生

import fs from 'fs'; import path from 'path'; function copyFile(srcPath: string, tarPath, cb?: Function) { if (!fs.existsSync(path.dirname(tarPath))) fs.mkdir(path.dirname(tarPath), (err) => { if (err) cb && cb(err); }); const rs = fs.createReadStream(srcPath); rs.on('error', (err) => { if (err) { cb && cb(err); } }); const ws = fs.createWriteStream(tarPath); ws.on('error', (err) => { if (err) { cb && cb(err); } }); ws.on('close', (ex) => cb && cb(ex)); rs.pipe(ws); } function copyFolder(srcPath: string, tarPath?: string, cb?: Function) { fs.readdir(srcPath, (err, files) => { if (err) { cb && cb(err); return; } files.forEach((file) => { const tempSrcPath = path.resolve(srcPath, file); const tempTarPath = path.resolve(tarPath, file); fs.stat(tempSrcPath, (err, stats) => { if (err) { cb && cb(err); return; } if (stats.isDirectory()) { copyFolder(tempSrcPath, tempTarPath, cb); } else { copyFile(tempSrcPath, tempTarPath, cb); } }); }); }); } copyFile(path.resolve(__dirname, 'src/public'), path.resolve(__dirname, 'dist/public'), (err) => { console.log(err); });

2.shelljs

import fs from 'fs'; import path from 'path'; import shell from 'shelljs'; shell.cp('-R', path.resolve(__dirname, 'src/public'), path.resolve(__dirname, 'dist/public'));