dl-parth.js

var client = require('cheerio-httpcli');
var request = require('request');
var fs = require('fs');
var URL = require('url');

var Dir = "./files/img";
if (!fs.existsSync(Dir)) {
  fs.mkdirSync(Dir);
}

var data = {};

var url = "http://www.pet-home.jp/cats/";
var host = "http://www.pet-home.jp";
var param = {};
client.fetch(url, param, function(err, $, res) {
  if (err) { console.log("error"); return; }

  //以下指定要素を繰り返し取得
  $(".contribute_result .inner").each(function(i) {

    //指定要素の中から、さらに取得したい要素を変数に代入していく
    var src = $(this).find("img:first-child").attr('src');
    src = URL.resolve(url, src);
    var file_name = URL.parse(src).pathname;
    saveFile = Dir + "/" + file_name.replace(/[^a-zA-Z0-9\.]+/g, '-');
    request(src).pipe(fs.createWriteStream(saveFile));
    var pet_sex = $(this).find(".pet_sex .petSex_m").text();//改行削除
    var pet_sex = pet_sex.replace( /¥n/g , "" );
    var pet_link = $(this).find(".title a").attr('href');
    console.log(file_name);
    data[i] =  {
      src: file_name.replace(/[^a-zA-Z0-9\.]+/g, '-'),
      title: $(this).find("img:first-child").attr('alt'),
      pet_sub_cate: $(this).find(".pet_sub_cate").text(),
      pet_sex: pet_sex,
      pet_area: $(this).find(".pet_area").text(),
      pet_link: URL.resolve(url, $(this).find(".title a").attr('href'))
     };
  });
  fs.writeFile('./files/test.json', JSON.stringify(data, null, '  '), function (err) {
    if (err) throw err;
    console.log(data);
  });
});