Heim > php教程 > PHP源码 > Hauptteil

CURL封装类

PHP中文网
Freigeben: 2016-05-25 17:06:20
Original
955 Leute haben es durchsucht

拿了那么多开源的东西,也该共享一个,借鉴了前辈,支持模拟浏览器 带cookie

<?php
/**
  * @author askwei 
**/
 
class CURL   
{  
    private $ch;  
    private $url = "http://www.baidu.com";
    private $flag_if_have_run;   //标记exec是否已经运行
    private $set_time_out = 20;  //设置curl超时时间
    private $cookie_file = "";  //cookie_file路径
    private $cookie_mode = 0;    //cookie保存模式 0不使用 1客户端、2服务器文件
    private $show_header = 0;    //是否输出返回头信息
    private $set_useragent = ""; //模拟用户使用的浏览器,默认为模拟
     
    //构造函数  
    public function __construct($url = ""){  
        $this->ch = curl_init();  
        $this->url = $url ? $url : $this->url;
        //$this->set_useragent = $_SERVER[&#39;HTTP_USER_AGENT&#39;]; // 模拟用户使用的浏览器   
        $this->set_useragent ="Mozilla/5.0 (iPhone; CPU iPhone OS 6_1_4 like Mac OS X) 
        AppleWebKit/536.26 (KHTML, like Gecko) Version/7.0 Mobile/10B350 Safari/9537.53";
        // $this->set_useragent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) 
        Chrome/36.0.1985.143 Safari/537.36";
        //$this->cookie_file=dirname(__FILE__)."/cookie_".md5(basename(__FILE__)).".txt";    
        //初始化cookie文件路径 
        //$this->cookie_file= SAE_TMP_PATH.TmpFS;
        $this->cookie_file = "saekv://cookie_2014.txt";
    }  
    //关闭curl
    public function close(){  
        curl_close($this->ch);  
    }  
    //析构函数  
    public function __destruct(){  
        $this->close();  
    }  
     
   //设置超时   
    public function set_time_out($timeout=20){  
        if(intval($timeout) != 0)       
        $this->set_time_out = $timeout;
        return $this;
    }  
    //设置来源页面  
    public function set_referer($referer = ""){  
        if (!empty($referer))  
            curl_setopt($this->ch, CURLOPT_REFERER , $referer);  
        return $this;  
    }
    //设置cookie存放模式 1客户端、2服务器文件  
    public function set_cookie_mode($mode = ""){  
        $this->cookie_mode = $mode;
        return $this;
    }
    //载入cookie  
    public function load_cookie(){  
     
        if($this->cookie_mode == 1 ) {
            if(isset($_COOKIE[&#39;curl&#39;])){
                curl_setopt($this->ch,CURLOPT_COOKIE,$_COOKIE[&#39;curl&#39;]);
            }else{
                $this->exec();
                curl_setopt($this->ch,CURLOPT_COOKIE,$this->cookie_file);
            }
             
        }
        if($this->cookie_mode == 2 ) {
           
            curl_setopt($this->ch, CURLOPT_COOKIEFILE , $this->cookie_file);
             
        }
        if($this->cookie_mode == 3 ) {
            $kv = new SaeKV();
            $ret = $kv->init();
            $ret = $kv->get(&#39;curl_cookie&#39;);
            if($ret)
               curl_setopt($this->ch,CURLOPT_COOKIE, $ret);
             
        }
        return $this;  
    }  
    
    //设置保存cookie方式 $cookie_val 模式1为变量 模式2为文件路径
    public function save_cookie($cookie_val = "") {  
        //保存在客户端
        if($this->cookie_mode == 1 && $cookie_val){
           setcookie(&#39;curl&#39;,$cookie_val); 
        }
        //保存服务器端
        if($this->cookie_mode == 2){ 
            if(!empty($cookie_val))  
               $this->cookie_file =  $cookie_val;
            curl_setopt($this->ch, CURLOPT_COOKIEJAR , $this->cookie_file);  
        }
        //保存在sae
        if($this->cookie_mode == 3 && $cookie_val){
             $kv = new SaeKV();
             $ret = $kv->init();
             $ret = $kv->get(&#39;curl_cookie&#39;);
            if($ret){
                $ret = $kv->set(&#39;curl_cookie&#39;, $cookie_val );
                 
            }else{
                 $ret = $kv->add(&#39;curl_cookie&#39;, $cookie_val);
             
            }
        }
         
         
        return $this;  
         
    }  
    //post参数 (array) $post 
    public function post ($post = ""){  
        if($post && is_array($post)){
            curl_setopt($this->ch, CURLOPT_POST , 1);  
            curl_setopt($this->ch, CURLOPT_POSTFIELDS , $post );  
        }
        return $this;  
    }  
    //设置代理 ,例如&#39;68.119.83.81:27977&#39;  
    public function set_proxy($proxy = ""){
        if($proxy){ 
            curl_setopt($this->ch, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);  
            curl_setopt($this->ch, CURLOPT_PROXY,$proxy); 
        }           
        return $this;  
    }  
    //设置伪造ip  
    public function set_ip($ip=""){  
        if(!empty($ip))  
            curl_setopt($this->ch, CURLOPT_HTTPHEADER, array("X-FORWARDED-FOR:$ip", "CLIENT-IP:$ip"));  
        return $ip;  
    } 
     //设置是否显示返回头信息
    public function show_header($show=0){
        $this->show_header = 0;  
        if($show) 
            $this->show_header = 1; 
        return $this;  
    }
 
     //设置请求头信息
    public function set_useragent($str=""){  
        if($str)  
            $this->set_useragent = $str;  
        return $this;  
    }   
     
    //执行  
    public function exec ($url = ""){  
        if(!$url) $url = $this->url;
        curl_setopt($this->ch, CURLOPT_URL, $url); // 要访问的地址
        curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, 0); // 对认证证书来源的检查   
        curl_setopt($this->ch, CURLOPT_RETURNTRANSFER , 1 );    //获取的信息以文件流的形式返回     
        curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, 1); // 从证书中检查SSL加密算法是否存在 
         curl_setopt($this->ch, CURLOPT_USERAGENT, $this->set_useragent); // 模拟用户使用的浏览器      
        curl_setopt($this->ch, CURLOPT_FOLLOWLOCATION, 1); // 使用自动跳转      
        curl_setopt($this->ch, CURLOPT_AUTOREFERER, 1); // 自动设置Referer 
        curl_setopt($this->ch, CURLOPT_TIMEOUT, $this->set_time_out);  //超时设置
        curl_setopt($this->ch, CURLOPT_HEADER, $this->show_header); // 显示返回的Header区域内容
        curl_setopt($this->ch, CURLOPT_NOBODY, 0);//不返回response body内容 
         
        $res = curl_exec($this->ch);
        $this->flag_if_have_run = true;
        if (curl_errno($this->ch)) {      
            //echo &#39;Errno&#39;.curl_error($this->ch);  
            return false;           
        } 
        if($this->show_header == 1){ //数组形式返回头信息和body信息 
            list($header, $body) = explode("\r\n\r\n", $res);
            $arr[&#39;header&#39;] = $header;
            $arr[&#39;body&#39;] = $body;
            if($this->cookie_mode == 1 || $this->cookie_mode == 3){  
                preg_match_all("/set\-cookie:([^\r\n]*)/i", $header, $matches);
                //print_r($matches);
                if($matches && isset($matches[1]) ){
                    $val = implode(&#39;;&#39;,array_unique(explode(&#39;;&#39;,implode(&#39;;&#39;,$matches[1])))); //去重处理
                    if($val)
                      $this->save_cookie($val); //设置客户端保存cookie
                }
            }
            if($arr) return $arr;
        }
         
        return $res;  
    }  
     
     
    //返回  curl_getinfo信息
    public function get_info(){  
        if($this->flag_if_have_run == true )  
            return curl_getinfo($this->ch);  
        else  
            throw new Exception("<h1>需先运行( 执行exec ),再获取信息</h1>");  
    }  
      
}  
?>
Nach dem Login kopieren

 以上就是CURL封装类的内容,更多相关内容请关注PHP中文网(www.php.cn)!

                   

Verwandte Etiketten:
Quelle:php.cn
Erklärung dieser Website
Der Inhalt dieses Artikels wird freiwillig von Internetnutzern beigesteuert und das Urheberrecht liegt beim ursprünglichen Autor. Diese Website übernimmt keine entsprechende rechtliche Verantwortung. Wenn Sie Inhalte finden, bei denen der Verdacht eines Plagiats oder einer Rechtsverletzung besteht, wenden Sie sich bitte an admin@php.cn
Beliebte Empfehlungen
Beliebte Tutorials
Mehr>
Neueste Downloads
Mehr>
Web-Effekte
Quellcode der Website
Website-Materialien
Frontend-Vorlage