爬虫技术——抓取滴滴打车优惠券

Posted 2022-05-11 txw1958

本文介绍如何抓取滴滴打车优惠券

 

一、数据来源

券妈妈。

 

二、抓取方法

使用simple_html_dom的方式先抓取整个页面，再进行元素分析。

实现代码如下

<?php
header("Content-type: text/html; charset=utf-8");
require_once(‘simple_html_dom.php‘);


        $index = 0;
        $total = 0;

        $html = file_get_html(‘http://www.quanmama.com/quan/1718911.html‘);
        $html_bj_content = $html->find(‘table tbody‘, 0);
        echo $html_bj_content;
        foreach($html_bj_content->find(‘tr‘) as $item) 
            
            $title = $item->find(‘td‘, 0)->plaintext;
            $source = $item->find(‘td a‘, 0)->href;
            // echo $source;
            
            $total ++;
            if (false == stristr($source, "gsactivity.diditaxi.com.cn/gulfstream/activity/v2/giftpackage"))
                continue;
            else
                try 
                    $channels = explode(‘g_channel=‘,$source);
                    $data = array(‘title‘     => $title,
                                  ‘source‘    => "https://gsactivity.diditaxi.com.cn/gulfstream/activity/v2/giftpackage/index?g_channel=".$channels[1],
                                  ‘channel‘   => $channels[1]
                                );
                    // var_dump($data);            
                    $diditrip = M(‘diditrip‘,‘tp_‘);
                    $isadd = $diditrip ->add($data);
                    
                    if ($isadd)
                        $index ++;
                    
                 catch (\Exception $e) 
                    // $res = array("code" => "error", "message" => "数据库错误");
                
            
        
        // $this->success(‘同步‘.$total.‘条,成功‘.$index."条",‘index‘);
     
?>