WEB Dev

PHP、JSP、ASP.NET、Javascript

LaravelでGoutteを利用してWebスクレイピング

Standard 
curl -s https://laravel.build/my_scraping | bash
cd my_scraping/
 
vim my.cnf
    [mysqld]
    character-set-server = utf8mb4
    collation-server = utf8mb4_general_ci
 
    [client]
    default-character-set=utf8mb4
 
vim docker-compose.yml
        # ...
        volumes:
            - 'sailmysql:/var/lib/mysql'
            - ./my.cnf:/etc/mysql/conf.d/my.cnf
 
./vendor/bin/sail up -d --build
 
docker ps
CONTAINER ID   IMAGE                         COMMAND                  PORTS                                            ...
67309004de4b   sail-8.0/app                  "start-container"        0.0.0.0:80->80/tcp, 8000/tcp                     ...
aabaeb2f98dc   selenium/standalone-chrome    "/opt/bin/entry_poin…"   4444/tcp                                         ...
17e6f413e14b   getmeili/meilisearch:latest   "tini -- /bin/sh -c …"   0.0.0.0:7700->7700/tcp                           ...
06eef68262bc   mailhog/mailhog:latest        "MailHog"                0.0.0.0:1025->1025/tcp, 0.0.0.0:8025->8025/tcp   ...
63dfe21f304a   redis:alpine                  "docker-entrypoint.s…"   0.0.0.0:6379->6379/tcp                           ...
cfbf2e6c3ee4   mysql:8.0                     "docker-entrypoint.s…"   0.0.0.0:3306->3306/tcp, 33060/tcp                ...
 
###
 
./vendor/bin/sail composer require weidner/goutte
vim config/app.php
return [
    // ...
    'providers' => [
        // ...
        Weidner\Goutte\GoutteServiceProvider::class,
 
    ],
    // ...
    'aliases' => [
        // ...
        'Goutte' => Weidner\Goutte\GoutteFacade::class,
    ],
];
 
./vendor/bin/sail php artisan make:command ScrapeMy
vim app/Console/Commands/ScrapeMy.php
    // ...
    protected $signature = 'scrape:my';
    protected $description = 'Scrape My';
    // ...
    public function handle()
    {
        $crawler = \Goutte::request('GET', 'https://yemaosheng.com/');
        $crawler->filter('article > header > h1')->each(function ($node) {
          dump($node->text());
        });
    }
    // ...
 
./vendor/bin/sail artisan list
 scrape
  scrape:my        Scrape My
 
./vendor/bin/sail artisan scrape:my
"今日は永住権を取得しました"
"小鳥の保温について"
...
 
#
 
php artisan make:model MyUrls --migration
Model created successfully.
Created Migration: 2021_07_02_053959_create_my_urls_table
vim database/migrations/2021_07_02_053959_create_my_urls_table.php
// ...
    public function up()
    {
        Schema::create('my_urls', function (Blueprint $table) {
            $table->id();
            $table->string('url');
            $table->timestamps();
        });
    }
// ...
./vendor/bin/sail artisan migrate
 
###
 
vim app/Console/Commands/ScrapeMy.php
// ...
use Carbon\Carbon;
use Illuminate\Support\Facades\DB;
// ...
    public function handle()
    {
        $this->truncateTables();
        $this->saveUrls();
    }
 
    private function truncateTables(){
        DB::table('my_urls')->truncate();
    }
 
    private function saveUrls(){
        $url = 'https://tenshoku.my.jp/list/kwphp/pg2/';
        $crawler = \Goutte::request('GET', $url);
        $urls = $crawler->filter('.cassetteRecruit__copy > a')->each
        (function ($node) {
            $href = $node->attr('href');
            return [
                'url' => substr($href, 0, strpos($href,'/', 1)+1),
                'created_at' => Carbon::now(),
                'updated_at' => Carbon::now(),
            ];
        });
        DB::table('my_urls')->insert($urls);
    }
 
./vendor/bin/sail artisan scrape:my
 
###
 
./vendor/bin/sail artisan make:model MyJobs --migration
Model created successfully.
Created Migration: 2021_07_02_060002_create_my_jobs_table
vim database/migrations/2021_07_02_060002_create_my_jobs_table.php
// ...
    public function up()
    {
        Schema::create('my_jobs', function (Blueprint $table) {
            $table->id();
            $table->string('url');
            $table->string('title');
            $table->string('company_name');
            $table->text('features');
            $table->timestamps();
        });
    }
// ...
 
./vendor/bin/sail artisan migrate
Migrating: 2021_07_02_060002_create_my_jobs_table
Migrated:  2021_07_02_060002_create_my_jobs_table (52.56ms)
 
vim app/Console/Commands/ScrapeMy.php
<?php
namespace App\Console\Commands;
use App\Models\MynaviUrls;
use App\Models\MynaviJobs;
use Illuminate\Console\Command;
use Carbon\Carbon;
use Illuminate\Support\Facades\DB;
class ScrapeMynavi extends Command
{
    const HOST = 'https://tenshoku.mynavi.jp';
    const FILE_PATH = 'app/mynavi_jobs.csv';
    const PAGE_NUM = 1;
    protected $signature = 'scrape:mynavi';
    protected $description = 'Scrape Mynavi';
    public function __construct()
    {
        parent::__construct();
    }
    public function handle()
    {
        $this->truncateTables();
        $this->saveUrls();
        $this->saveJobs();
        $this->exportCSV();
    }
    private function truncateTables(){
        DB::table('mynavi_urls')->truncate();
        DB::table('mynavi_jobs')->truncate();
    }
    private function saveUrls(){
        foreach(range(1,$this::PAGE_NUM) as $num)
        {
            $url = $this::HOST.'/list/kwphp/pg' . $num . '/';
            $crawler = \Goutte::request('GET', $url);
            $urls = $crawler->filter('.cassetteRecruit__copy > a')->each
            (function ($node) {
                $href = $node->attr('href');
                return [
                    'url' => substr($href, 0, strpos($href,'/', 1)+1),
                    'created_at' => Carbon::now(),
                    'updated_at' => Carbon::now(),
                ];
            });
            DB::table('mynavi_urls')->insert($urls);
            //sleep(5);
        }
    }
    private function saveJobs(){
        foreach(MynaviUrls::all() as $mynaviUrl){
            $url = $this::HOST.$mynaviUrl->url;
            $crawler = \Goutte::request('GET', $url);
 
            MynaviJobs::create([
                'url' => $url,
                'title'=> $this->getTitle($crawler),
                'company_name' => $this->getCompany($crawler),
                'features' => $this->getFeatures($crawler),
                'created_at' => Carbon::now(),
                'updated_at' => Carbon::now(),
            ]);
            sleep(1);
        }
    }
    private function getTitle($crawler){
        return $crawler->filter('.occName')->text();
    }
    private function getCompany($crawler){
        return $crawler->filter('.companyName')->text();
    }
    private function getFeatures($crawler){
        $features = $crawler->filter('.cassetteRecruit__attribute > li > span')->each(function($node){
            return $node->text();
        });
        return implode(' && ', $features);
    }
    private function exportCSV(){
        $file = fopen(storage_path($this::FILE_PATH), 'w');
        if(!$file){
            throw new \Exception('ファイルを作成に失敗しました！');
        }
        if(!fputcsv($file,['id','url','title','company_name','features'])){
            throw new \Exception('ヘッダの書き込みに失敗しました！');
        }
        foreach(MynaviJobs::all() as $job){
            if(!fputcsv($file,[$job->id,$job->url,$job->title,$job->company_name,$job->features])){
                throw new \Exception('CSVファイルの書き込みに失敗しました！');
            }
        }
        fclose($file);
    }
}