nodejs调用cmd命令实现复制目录

var dirCache = {};//缓存减少判断
function makedir (pathStr, callback) {
if (dirCache[pathStr] == 1) {
callback();
} else {
fs.exists(pathStr, function (exists) {
if (exists == true) {
dirCache[pathStr] == 1;
callback();
} else {
makedir(path.dirname(pathStr), function () {
fs.mkdir(pathStr, function () {
dirCache[pathStr] == 1;
callback();
})
});
}
})
}
};

var exec = require('child_process').exec;
exec('xcopy D:WORK_newodinQuest D:WORK_newnewGame /s /e /Q /Y /I',
function (error, stdout, stderr) {
if (error !== null) {
//console.log('exec error: ' + error);
}
 
});

fs.writeFile('xcopy.bat', cmdstr, function (err) {
if (err) throw err;
var exec = require('child_process').exec;
exec('call "'+process.cwd()+'/xcopy.bat',
function (error, stdout, stderr) {
if (error !== null) {
//console.log('exec error: ' + error);
}
 
});
});