public function build($name, array $options = [])
{
$width = isset($options['width']) ? $options['width'] : 150;
$height = isset($options['height']) ? $options['height'] : 40;
$font = isset($options['font']) ? $options['font'] : null;
$phraseBuilder = new PhraseBuilder();
if (isset($options['captcha'])) {
$captcha = $options['captcha'];
} elseif (isset($options['length'])) {
$captcha = $phraseBuilder->build($options['length']);
} else {
$captcha = null;
}
$captchaBuilder = new CaptchaBuilder($captcha, $phraseBuilder);
if (isset($options['text_color'])) {
$captchaBuilder->setBackgroundColor($options['text_color'][0], $options['text_color'][1], $options['text_color'][2]);
}
if (isset($options['background_color'])) {
$captchaBuilder->setBackgroundColor($options['background_color'][0], $options['background_color'][1], $options['background_color'][2]);
}
if (isset($options['background_images'])) {
$captchaBuilder->setBackgroundColor($options['background_image']);
}
if (isset($options['ignore_effect'])) {
$captchaBuilder->setIgnoreAllEffects($options['ignore_effect']);
}
$captchaBuilder->build($width, $height, $font);
$captcha = $captchaBuilder->getPhrase();
session(['image_captcha.' . $name => $captcha]);
$this->captchaBuilder = $captchaBuilder;
return $this;
}
/**
* 生成验证码.
*
* @Route("captcha", name="site_common_captcha")
*/
public function captchaAction()
{
$width = intval($this->getRequestItem('width', 150));
// 验证码图片的宽度
$height = intval($this->getRequestItem('height', 50));
// 验证码图片的高度
$length = 5;
// 验证码字符的长度
$no_effect = true;
// 是否忽略验证图片上的干扰线条
$pharse = new PhraseBuilder();
$captcha = new CaptchaBuilder($pharse->build($length));
$image = $captcha->setIgnoreAllEffects($no_effect)->build($width, $height)->get();
$this->setSessionItem('captcha', $captcha->getPhrase());
$res = new Response($image);
$res->headers->set('content-type', 'image/jpeg');
return $res;
}
/**
* @param array $options
*
* @return string
*/
public function getPhrase(array &$options)
{
// Get the phrase that we'll use for this image
if ($options['keep_value'] && isset($options['phrase'])) {
$phrase = $options['phrase'];
} else {
$phrase = $this->phraseBuilder->build($options['length'], $options['charset']);
$options['phrase'] = $phrase;
}
return $phrase;
}
