imagejpeg($this->im);
} elseif (imagetypes() & IMG_GIF) {
header('Content-type: image/gif');
imagegif($this->im);
} elseif (imagetype() & IMG_PNG) {
header('Content-type: image/png');
imagepng($this->im);
} else {
die("Don't support image type!");
}
}
}
$type = $_GET['type'];
if ($type == "getValidate") {
$captcha = new Captcha(80, 30, 4);
$captcha->showImg();
}
/*
//验证码类
class ValidateCode {
private $charset = 'abcdefghkmnprstuvwxyzABCDEFGHKMNPRSTUVWXYZ23456789';//随机因子
private $code;//验证码
private $codelen = 4;//验证码长度
private $width = 130;//宽度
private $height = 50;//高度
private $img;//图形资源句柄
private $font;//指定的字体
private $fontsize = 20;//指定字体大小
private $fontcolor;//指定字体颜色
//构造方法初始化
public function __construct() {
/**
* 获取图形验证码
*
*/
public function actionCaptcha()
{
Yii::import("application.library.Captcha");
$captcha = new Captcha();
$captcha->showImg(78, 37, 4);
}