nodejs下载图片

const request = require('request'),
    fs = require('fs'),
    path = require('path');


const image_url = 'http://animalonline.info/wp-content/uploads/2015/01000/white-cat-9kspvw8g.jpg',
    basename = path.basename(image_url);


request
    .get(image_url, {timeout: 10000})
    .on('response', function(response) {
        if (response.statusCode !== 200 ) {
            console.log(`err info ${response.statusCode}`);
        }
    })
    .on('error', function(err) {
        console.log(err)
    })
    .pipe(fs.createWriteStream(`${basename}`));