您可以仅生成一个子进程“ powershell.exe”，并侦听stdout的命令输出和stderr的错误：
var spawn = require("child_process").spawn,child;
child = spawn("powershell.exe",["c:\\temp\\helloworld.ps1"]);
child.stdout.on("data",function(data){
console.log("Powershell Data: " + data);
});
child.stderr.on("data",function(data){
console.log("Powershell Errors: " + data);
});
child.on("exit",function(){
console.log("Powershell Script finished");
});
child.stdin.end(); //end input
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