nodejs的爬虫框架superagent

//将文字内容存入txt文件中

function saveContent() {

  fs.writeFile('./content/content.txt',content.toString());

}

//下载爬到的图片

function downloadImg() {

  imgs.forEach((imgUrl,index) => {

    //获取图片名

    let imgName = imgUrl.split('/').pop();

    //下载图片存放到指定目录

    let stream = fs.createWriteStream(`./imgs/${imgName}`);

    let req = request.get('https:' + imgUrl); //响应流

    req.pipe(stream);

    console.log(`开始下载图片 https:${imgUrl} --> ./imgs/${imgName}`);    

  } )

}