master.js

/**
 * Created by weiqiujuan on 17-7-30.
 */

const fs = require('fs');
const child_process = require('child_process');

for(var i=0; i<3; i++) {
    var workerProcess = child_process.exec('node support.js '+i,
        function (error, stdout, stderr) {
            if (error) {
                console.log(error.stack);
                console.log('Error code: '+error.code);
                console.log('Signal received: '+error.signal);
            }
            console.log('stdout: ' + stdout);
            console.log('stderr: ' + stderr);
        });

    workerProcess.on('exit', function (code) {
        console.log('子进程已退出，退出码 '+code);
    });
}

for(var i=0;i<3;i++){
    var workerProcess = child_process.spawn('node',['support.js',i])

    workerProcess.stdout.on('data',function(data){
        console.log('stdout:'+data);
    });
    workerProcess.stderr.on('data',function (data) {
        console.log('stderr:'+data);
    });
    workerProcess.on('close',function (code) {
        console.log('子进程已经退出，退出码'+code);
    });
}


for(var i=0;i<3;i++){
    var worker_process = child_process.fork("support.js",[i]);

    worker_process.on('close',function (code) {
        console.log('子进程已经退出，退出码 '+code);
    });
}