鍍金池/ 問答/Linux  HTML/ child_process.spawn('cd ../ && p

child_process.spawn('cd ../ && pwd') 報錯 ENOENT

學(xué)習(xí)child_process的過程中,有一個小demo

/**
 * @fileOverview
 * @author iNahoo
 * @since 2018/1/30.
 */

"use strict";

const {spawn,execSync} = require('child_process');
const {resolve} = require('path');
process.chdir(resolve(__dirname, '../'));

function main() {
    // execSync 可以正確執(zhí)行
    console.log(execSync('cd ../ && pwd').toString());

    // spawn 不能正確執(zhí)行
    const chp = spawn(`cd ../ && pwd`);
    chp.stdout.on('data', data => {
        console.log(data.toString());
    });
    chp.on('close', () => {
        resolve();
    });
}

main();

execSync執(zhí)行正確打出log
spawn返回報錯


/Users/user/Desktop/project/AST

events.js:182
      throw er; // Unhandled 'error' event
      ^

Error: spawn cd ../ && pwd ENOENT
    at exports._errnoException (util.js:1022:11)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:189:19)
    at onErrorNT (internal/child_process.js:366:16)
    at _combinedTickCallback (internal/process/next_tick.js:102:11)
    at process._tickCallback (internal/process/next_tick.js:161:9)
    at Function.Module.runMain (module.js:607:11)
    at startup (bootstrap_node.js:158:16)
    at bootstrap_node.js:575:3

回答
編輯回答
陌離殤

這種寫法不對,spawn只能執(zhí)行一條命令:spawn(command[,args])
例如:spawn("cd", ["../"])
要執(zhí)行多條命令參考:https://segmentfault.com/q/10...

2017年4月12日 12:42