[PHP]代码   

ch = curl_init();  
        $this->url = $url ? $url : $this->url;
        //$this->set_useragent = $_SERVER['HTTP_USER_AGENT']; // 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['curl'])){
		        curl_setopt($this->ch,CURLOPT_COOKIE,$_COOKIE['curl']);
		    }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 = $kv->get('curl_cookie');
            if($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 && $cookie_val){
		   setcookie('curl',$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 = $kv->get('curl_cookie');
            if($ret){
                $ret = $kv->set('curl_cookie', $cookie_val );
                
            }else{
                 $ret = $kv->add('curl_cookie', $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 $this;  
    }  
    //设置代理 ,例如'68.119.83.81:27977'  
    public function set_proxy($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 'Errno'.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['header'] = $header;
			$arr['body'] = $body;
			if($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]) ){
				    $val = implode(';',array_unique(explode(';',implode(';',$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("
需先运行( 执行exec )，再获取信息
");  
    }  
	 
}  
?>

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