//---------------optfile.js------------------

var fs= require('fs');

module.exports={

writefile:function(path,data){ //异步方式

fs.writeFile(path, data, function (err) {

if (err) {

throw err;

}

console.log('It\'s saved!'); //文件被保存

});

},

writeFileSync:function(path,data){ //同步方式

fs.writeFileSync(path, data);

console.log("同步写文件完成");

}

}



教程学习地址:
http://study.163.com/course/introduction/1003228034.htm#/courseDetail