curl最全的方法

 *微信公众号抓取数据,PHP中进行post提交
 * curl 支持post
 * @param string $base_url 基础链接
 * @param array $query_data 需要请求的数据
 * @param string $method 方法 get/post
 * @param boolean $ssl 关闭ssl验证
 * @param integer $exe_timeout 执行超时时间
 * @param integer $conn_timeout 连接超时时间
 * @param integer $dns_timeout dns超时时间
 */
private function tx_curl($base_url, $query_data, $method = 'get', $ssl = true, $exe_timeout = 10, $conn_timeout = 10, $dns_timeout = 3600)
{
    $ch = curl_init();

    if ( $method == 'get' ) {
        //method get
        if ( ( !empty($query_data) )
            && ( is_array($query_data) )
        ){
            $connect_symbol = (strpos($base_url, '?')) ? '&' : '?';
            foreach($query_data as $key => $val) {
                if ( is_array($val) ) {
                    $val = serialize($val);
                }
                $base_url .= $connect_symbol . $key . '=' . rawurlencode($val);
                $connect_symbol = '&';
            }
        }
    } else {
        if ( ( !empty($query_data) )
            && ( is_array($query_data) )
        ){
            foreach($query_data as $key => $val) {
                if ( is_array($val) ) {
                    $query_data[$key] = serialize($val);
                }
            }
        }
        //method post
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $query_data);
    }
    curl_setopt($ch, CURLOPT_URL, $base_url);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $conn_timeout);
    curl_setopt($ch, CURLOPT_DNS_CACHE_TIMEOUT, $dns_timeout);
    curl_setopt($ch, CURLOPT_TIMEOUT, $exe_timeout);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    // 关闭ssl验证
    if($ssl){
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    }

    $output = curl_exec($ch);

    if ( $output === FALSE )
        $output = '';

    curl_close($ch);
    return $output;
}

微信公众号 文章爬虫类

<?php
/**
* 微信公众号文章爬取类
* 使用方法:
* $crawler = new WxCrawler();
* $content = $crawler->crawByUrl($url);
*/
class WxCrawler
{
  /** @var 代理  */
  protected $agent = [
      "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; AcooBrowser; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
      "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Acoo Browser; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506)",
      "Mozilla/4.0 (compatible; MSIE 7.0; AOL 9.5; AOLBuild 4337.35; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
      "Mozilla/5.0 (Windows; U; MSIE 9.0; Windows NT 9.0; en-US)",
      "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 2.0.50727; Media Center PC 6.0)",
      "Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 1.0.3705; .NET CLR 1.1.4322)",
      "Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.2; .NET CLR 3.0.04506.30)",
      "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN) AppleWebKit/523.15 (KHTML, like Gecko, Safari/419.3) Arora/0.3 (Change: 287 c9dfb30)",
      "Mozilla/5.0 (X11; U; Linux; en-US) AppleWebKit/527+ (KHTML, like Gecko, Safari/419.3) Arora/0.6",
      "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.2pre) Gecko/20070215 K-Ninja/2.1.1",
      "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9) Gecko/20080705 Firefox/3.0 Kapiko/3.0",
      "Mozilla/5.0 (X11; Linux i686; U;) Gecko/20070322 Kazehakase/0.4.5",
      "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.8) Gecko Fedora/1.9.0.8-1.fc10 Kazehakase/0.5.6",
      "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11",
      "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.20 (KHTML, like Gecko) Chrome/19.0.1036.7 Safari/535.20",
      "Opera/9.80 (Macintosh; Intel Mac OS X 10.6.8; U; fr) Presto/2.9.168 Version/11.52",
  ];
  public $host = '';
  public $header = '';
  public $referer = '';
  public $antiLeech = '';
  public function __construct($host='', $referer='', $proxy=false)
  {
    /** @var 初始化curl信息  */
    $this->header  = $this->agent[rand(0,count($this->agent) - 1)];
    $this->referer = empty($referer)?'http://weixin.sogou.com/' : $referer;
    $this->host    = empty($host)?'weixin.sogou.com' : $host;
    /** @var 处理微信图片的防盗链 */
    $this->antiLeech = 'http://'.$_SERVER['SERVER_NAME'].'/admin.php/tool/wechat-img?url=';
  }
  /**
   * 爬取内容
   * @author bignerd
   * @since  2016-08-16T10:13:58+0800
   * @param  $url
   */
  public function _get($url)
  {
    // $ch=curl_init($url);
    // $options = [
    //   CURLOPT_USERAGENT => $this->agent,
    //   CURLOPT_REFERER => $this->referer,
    // ];
    // curl_setopt($ch,CURLOPT_RETURNTRANSFER,true);
    //     curl_setopt($ch,CURLOPT_BINARYTRANSFER,true);
    //     curl_setopt($ch,CURLOPT_TIMEOUT,60);
    //     $output=curl_exec($ch);
    //     return $output;
    $html = file_get_contents($url);
    return $html;
  }
  public function crawByUrl($url)
  {
    $content = $this->_get($url);
    var_dump($content);
    $basicInfo = $this->articleBasicInfo($content);
    list($content_html, $content_text) = $this->contentHandle($content);
    return array_merge($basicInfo,['content_html' => $content_html,'content_text' => $content_text]);
  }
  /**
   * 处理微信文章源码,提取文章主体,处理图片链接
   * @author bignerd
   * @since  2016-08-16T15:59:27+0800
   * @param  $content 抓取的微信文章源码
   * @return [带图html文本,无图html文本]
   */
  public function contentHandle($content)
  {
        $content_html_pattern = '/<div class="rich_media_content " id="js_content">(.*?)<\/div>/s';
        preg_match_all($content_html_pattern, $content, $html_matchs);
        
        $content_html = $html_matchs[0][0];
        /** @var  带图片html文本 */
        $content_html = preg_replace_callback('/data-src="(.*?)"/', function($matches){
          return 'src='.$this->antiLeech.urlencode($matches[1]);
        }, $content_html);
        /** @var  无图html文本 */
        $content_text = preg_replace('/<img.*?>/s','',$content_html);
        return [$content_html,$content_text];
  }
  /**
   * 获取文章的基本信息
   * @author bignerd
   * @since  2016-08-16T17:16:32+0800
   * @param  $content 文章详情源码
   * @return $basicInfo
   */
  public function articleBasicInfo($content)
  { 
    //待获取item                
    $item = [
          'ct' => 'date',//发布时间
          'msg_title' => 'title',//标题
          'msg_desc' => 'digest',//描述
          'msg_link' => 'content_url',//文章链接
          'msg_cdn_url' => 'cover',//封面图片链接
          'nickname' => 'wechatname',//公众号名称
        ];
    $basicInfo = [
      'author' => '',
      'copyright_stat' => '',
    ];
    foreach ($item as $k => $v) {
      $pattern = '/ var '.$k.' = "(.*?)";/s';
      preg_match_all($pattern,$content,$matches);
      if(array_key_exists(1, $matches) && !empty($matches[1][0])){
        $basicInfo[$v] = $this->htmlTransform($matches[1][0]);
      }else{
        $basicInfo[$v] = '';
      }
    }
    /** 获取作者 */
    preg_match('/<em class="rich_media_meta rich_media_meta_text">(.*?)<\/em>/s', $content, $matchAuthor);
    if(!empty($matchAuthor[1])) $basicInfo['author'] = $matchAuthor[1];
    /** 文章类型 */
    preg_match('/<span id="copyright_logo" class="rich_media_meta meta_original_tag">(.*?)<\/span>/s', $content, $matchType);
    if(!empty($matchType[1])) $basicInfo['copyright_stat'] = $matchType[1];
    return $basicInfo;
  }
  /**
   * 特殊字符转换
   * @author bignerd
   * @since  2016-08-16T17:30:52+0800
   * @param  $string
   * @return $string
   */
  public function htmlTransform($string)
  {
        $string = str_replace('&quot;','"',$string);
        $string = str_replace('&amp;','&',$string);
        $string = str_replace('amp;','',$string);
        $string = str_replace('&lt;','<',$string);
        $string = str_replace('&gt;','>',$string);
        $string = str_replace('&nbsp;',' ',$string);
        $string = str_replace("\\", '',$string);
        return $string;
  }
}
?>

 

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