php使用curl類比登入帶驗證碼的網站

需求是這樣的，需要登入帶驗證碼的網站，擷取資料，但是不可能人為一直去記錄資料，想通過自動採集的方式進行，如下是實驗出來的結果代碼！有需要的可以參考下！

display();    }    public function _initialize(){        foreach($this->cookieName as $key => $name)        {            $this->cookiePathFile[] = ROOT_PATH . $this->cookiePath . $this->cookieName[$key] . '_xxx.txt';        }    }    /**     * 登入xxx     */    public function xxxLogin()    {        $username = I('username');        $password = I('password');        $verifyCode = I('verify');        $loginData = array(            '__VIEWSTATE' => '/wEPDwUKMTU0MzAzOTU4NmQYAQUeX19Db250cm9sc1JlcXVpcmVQb3N0QmFja0tleV9fFgEFDExvZ2luX1N1Ym1pdL/yae69NsY163G3yuP0lxjz8oXu',                            //不把參數補全可能會不被響應哦            '__VIEWSTATEGENERATOR' => 'DC42DE27',            'txt_UserName'  => $username,            'txt_PWD'  => $password,            'txt_VerifyCode'  => $verifyCode,            'SMONEY' => 'ABC',            'Login_Submit.x' => '52',            'Login_Submit.y' => '19',        );        $getBack = $this->_cookieRequest('http://xxx.com/noLogin.aspx', $loginData);        if(preg_match('/(.*?)<\/div>/s', $getBack, $match)){            echo 'matched\r\n';            print_r($match);        }else{            echo $getBack, '
';            $paramsFull = parse_url($getBack);            parse_str($paramsFull['query'], $paramsFull['parsedQuery']);            if(!empty($paramsFull['parsedQuery']['Warn'])) {                $msg = "您好，歡迎來P，請先登入。";                switch ($paramsFull['parsedQuery']['Warn'])                {                    case '2':                        $msg = '您輸入的驗證碼錯誤，請重試';                        break;                    case '3':                        $msg = '該帳號不存在，還沒帳號？';                        break;                    case '5':                        $msg = '賬戶已登出';                        break;                    case '6':                        $msg = '密碼錯誤，如果連續錯誤3次半小時內不能登入！';                        break;                    case '20':                        $msg = '今日密碼錯誤3次及以上，請於半小時後再來登入！';                        break;                    case '21':                        $msg = '今日您所在IP的所有帳號密碼錯誤9次以上，請於半小時後再來登入！';                        break;                    case '22':                        $msg = '登入失敗，您所在IP今日登入的帳號過多！';                        break;                    case '23':                        $msg = '登入失敗，驗證碼失效！';                        break;                    case '32':                        $msg = '該帳號已經綁定其他PC蛋蛋帳號！';                        break;                    case '33':                        $msg = '一台電腦一天只能註冊一個帳號！';                        break;                }                $this->error($msg, '', 5);            }else{                $_SESSION['user_id'] = '123456';            //登入設定session                $this->success('登入P網站成功', U('Index/index'), 5);            }        }    }    /**     * 擷取驗證碼     */    public function getVerifyCode()    {        $img = $this->_cookieRequest('http://xxx.com/VerifyCode_Login.aspx?id=' . rand(10000,999999), null, true, 1);        echo $img;    }    /**     * 刪除cookie     */    public function clearCookie()    {        for($i = 0; $i cookieName); $i++)        {            setcookie($this->cookieName[$i], '', time() - 3600);        }//        unlink($this->cookiePathFile);        $this->success('清除cookie成功！');    }    /**     * 帶COOKIE的訪問curl     * @param $url     * @param null $data     * @param bool $redirect     * @return mixed     */    public function _cookieRequest($url, $data = null, $redirect = false, $cookieNum = 0)    {        $ch = curl_init();        $params[CURLOPT_URL] = $url;    //請求url地址        $params[CURLOPT_HEADER] = false; //是否返迴響應頭資訊        $params[CURLOPT_RETURNTRANSFER] = true; //是否將結果返回        $params[CURLOPT_FOLLOWLOCATION] = true; //是否重新導向        $params[CURLOPT_USERAGENT] = 'Mozilla/5.0 (Windows NT 5.1; rv:9.0.1) Gecko/20100101 Firefox/9.0.1';        if($data)        {            $params[CURLOPT_POST] = true;            $params[CURLOPT_POSTFIELDS] = http_build_query($data);        }        //判斷是否有cookie,有的話直接使用        if (!empty($_COOKIE[$this->cookieName[$cookieNum]]) && is_file($this->cookiePathFile[$cookieNum]))        {            $params[CURLOPT_COOKIEFILE] = $this->cookiePathFile[$cookieNum];      //這裡判斷cookie        }        else        {//            $cookie_jar = tempnam($cookie_path, 'cookie');                //產生一個cookie檔案            $params[CURLOPT_COOKIEJAR] = $this->cookiePathFile[$cookieNum];                   //寫入cookie資訊            setcookie($this->cookieName[$cookieNum], $this->cookiePathFile[$cookieNum], time() + 120);      //儲存cookie路徑        }        curl_setopt_array($ch, $params);                                //傳入curl參數        $content = curl_exec($ch);        $headers = curl_getinfo($ch);//        echo $content;        curl_close($ch);        if ($content != $headers && $redirect == false){            return $headers["url"];        }        return $content;    }}

以上就介紹了php使用curl類比登入帶驗證碼的網站，包括了方面的內容，希望對PHP教程有興趣的朋友有所協助。

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