php使用curl模拟登录带验证码的网站

<?phpnamespace Home/Controller;use Think/Controller;class LoginController extends Controller{    PRotected $cookieName = array('cookie_verify', 'cookie_verify');    protected $cookiePath = '/cookie/';    protected $cookiePathFile = array();    public function index()    {        $this->display();    }    public function _initialize(){        foreach($this->cookieName as $key => $name)        {            $this->cookiePathFile[] = ROOT_PATH . $this->cookiePath . $this->cookieName[$key] . '_xxx.txt';        }    }    /**     * 登录xxx     */    public function pc28Login()    {        $username = I('username');        $passWord = I('password');        $verifyCode = I('verify');        $loginData = array(            '__VIEWSTATE' => '/wEPDwUKMTU0MzAzOTU4NmQYAQUeX19Db250cm9sc1JlcXVpcmVQb3N0QmFja0tleV9fFgEFDExvZ2luX1N1Ym1pdL/yae69NsY163G3yuP0lxjz8oXu',                            //不把参数补全可能会不被响应哦            '__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:///noLogin.aspx', $loginData, false, true);        if(preg_match('/<div[^/<div]*?id/s*=/s*[/'/"]{1}div_msg[/'/"]{1}.*?>(.*?)<//div>/s', $getBack, $match)){            echo 'matched/r/n';            print_r($match);        }else{            echo $getBack, '<br />';            $paramsFull = parse_url($getBack);            parse_str($paramsFull['query'], $paramsFull['parsedQuery']);            if(!empty($paramsFull['parsedQuery']['Warn'])) {                $msg = "您好，欢迎来P，请先登录。";                switch ($paramsFull['parsedQuery']['Warn'])                {                    case '2':                        $msg = '您输入的验证码错误，请重试';                        break;                    case '3':                        $msg = '该帐号不存在，还没帐号？';                        break;                    case '5':                        $msg = '账户已注销';                        break;                    case '6':                        $msg = '密码错误，如果连续错误3次半小时内不能登录！';                        break;                    case '20':                        $msg = '今日密码错误3次及以上，请于半小时后再来登录！';                        break;                    case '21':                        $msg = '今日您所在ip的所有帐号密码错误9次以上，请于半小时后再来登录！';                        break;                    case '22':                        $msg = '登录失败，您所在IP今日登录的帐号过多！';                        break;                    case '23':                        $msg = '登录失败，验证码失效！';                        break;                    case '32':                        $msg = '该帐号已经绑定其他xx帐号！';                        break;                    case '33':                        $msg = '一台电脑一天只能注册一个帐号！';                        break;                }                $this->error($msg, '', 5);            }else{                $_session['user_id'] = '123456';            //登录设置session                $this->success('登录P网站成功', U('Index/index'), 5);            }        }    }    /**     * 获取验证码     */    public function getVerifyCode()    {        $img = $this->_cookieRequest('http:///VerifyCode_Login.aspx?id=' . rand(10000,999999), null, true, 1);        echo $img;    }    /**     * 删除cookie     */    public function clearCookie()    {        for($i = 0; $i <count($this->cookieName); $i++)        {            setcookie($this->cookieName[$i], '', time() - 3600);        }//        unlink($this->cookiePathFile);        $this->success('清除cookie成功！');    }    /**     * 带COOKIE的访问curl     * @param $url 访问地址     * @param bool|array $data 传递的数据     * @param bool $redirect 是否获取重定向的地址     * @param bool $isLogin 是否为登录，登录需要保存COOKIE     * @return mixed 地址或者返回内容     */    public function _cookieRequest($url, $data = null, $redirect = false, $isLogin = false, $cookieNum = 0)    {        $ch = curl_init();        $params[CURLOPT_URL] = $url;                    //请求url地址        $params[CURLOPT_HEADER] = false;                //是否返回响应头信息        $params[CURLOPT_RETURNTRANSFER] = true;         //是否将结果返回        $params[CURLOPT_FOLLOWLOCATION] = true;         //是否重定向        $params[CURLOPT_USERAGENT] = 'Mozilla/5.0 (Windows NT 5.1; rv:9.0.1) Gecko/20100101 Firefox/9.0.1';        if($data)        {            $params[CURLOPT_POST] = true;            $params[CURLOPT_POSTFIELDS] = http_build_query($data);        }        //判断是否有cookie,有的话直接使用        if (!empty($_COOKIE[$this->cookieName[$cookieNum]]) && is_file($this->cookiePathFile[$cookieNum]))        {            $params[CURLOPT_COOKIEFILE] = $this->cookiePathFile[$cookieNum];      //这里判断cookie            if($isLogin)            {                $params[CURLOPT_COOKIEJAR] = $this->cookiePathFile[$cookieNum];        //写入cookie信息,可能每次都会有写入            }        }        else        {//            $cookie_jar = tempnam($cookie_path, 'cookie');                　　　　//产生一个cookie文件            $params[CURLOPT_COOKIEJAR] = $this->cookiePathFile[$cookieNum];        //写入cookie信息            setcookie($this->cookieName[$cookieNum], $this->cookiePathFile[$cookieNum], time() + 120);      //保存cookie路径        }        curl_setopt_array($ch, $params);                                            //传入curl参数        $content = curl_exec($ch);        $headers = curl_getinfo($ch);//        echo $content;        curl_close($ch);        if ($url != $headers["url"] && $redirect == false)        {            return $headers["url"];        }        return $content;    }}