$_code $_code : \framework\components\captcha\unknown 验证码中的字符串 Type \framework\components\captcha\unknown
$_height $_height : \framework\components\captcha\unknown 验证码高度 Type \framework\components\captcha\unknown
$_width $_width : \framework\components\captcha\unknown 验证码宽度 Type \framework\components\captcha\unknown
$_num $_num : \framework\components\captcha\unknown 验证码中的字符个数 Type \framework\components\captcha\unknown
getComponent() getComponent( $haver, $componentName, $params = array()) Parameters $haver $componentName $params