$rand2 = mt_rand(5, 10);
for ($yy = $rand; $yy <= +$rand + 2; $yy++) {
for ($px = -80; $px <= 80; $px = $px + 0.1) {
$x = $px / $rand1;
if ($x != 0) {
$y = sin($x);
}
$py = $y * $rand2;
//imagesetpixel($distortion_im, $px+80, $py+$yy, $text_c);
}
}
Header("Content-type: image/JPEG");
ImagePNG($distortion_im);
ImageDestroy($distortion_im);
ImageDestroy($im);
}
function make_rand($length = "36")
{
$str = "abcdefghijklmnopqrstuvwxyz0123456789";
$result = "";
for ($i = 0; $i < $length; $i++) {
$num[$i] = rand(0, 35);
$result .= $str[$num[$i]];
}
return $result;
}
$checkcode = make_rand($num);
session_start();
$_SESSION['coupon_submit_code'] = strtolower($checkcode);
getAuthImage($checkcode, $width, $height, $move_x, $move_y, $font_size, $count);
/**
* 显示验证码
*/
public static function showImage($paramArr)
{
$options = array('token' => 0, 'numCnt' => 4, 'width' => 100, 'height' => 40, 'type' => 1, 'plex' => 5);
if (is_array($paramArr)) {
$options = array_merge($options, $paramArr);
}
extract($options);
if (!$token && LJL_Api::$_globalVars['_COOKIE'] && isset(LJL_Api::$_globalVars['_COOKIE']["ip_ck"])) {
$token = LJL_Api::$_globalVars['_COOKIE']["ip_ck"];
}
if (!$token) {
#不返回了，直接生成 ip_ck cookie 值
$token = API_Item_Base_Page::createIpCk(array('setCookie' => 1));
// return false;
}
#获得唯一的用户码
$uniqCode = API_Item_Security_Algos::getUniqueCode();
$text = self::getAuthCode($uniqCode, $numCnt);
#将数据数据到Redis
$redis = API_Redis::getLink(self::$server);
#获得redis对象
$key = self::$keyPre . $token;
$redis->setex($key, 3600, $text);
//最长1小时的缓存周期
#输出图片
$param = array('token' => $token, 'width' => $width, 'height' => $height, 'numCnt' => $numCnt, 'text' => $text);
switch ($type) {
case 2:
self::getCodeColorImage($param);
#黑白
break;
case 3:
require_once LJL_API_ROOT . "/Item/Security/Captchas/GifCode.php";
getGifCode($param);
break;
case 4:
require_once LJL_API_ROOT . "/Item/Security/Captchas/GgCode.php";
getAuthImage($param);
break;
case 5:
require_once LJL_API_ROOT . "/Item/Security/Captchas/code_math.php";
$param['redis'] = $redis;
$param['key'] = $key;
getMathCode($param);
break;
case 6:
require_once LJL_API_ROOT . "/Item/Security/Captchas/CaptchaBuilderInterface.php";
require_once LJL_API_ROOT . "/Item/Security/Captchas/PhraseBuilderInterface.php";
require_once LJL_API_ROOT . "/Item/Security/Captchas/CaptchaBuilder.php";
require_once LJL_API_ROOT . "/Item/Security/Captchas/PhraseBuilder.php";
require_once LJL_API_ROOT . "/Item/Security/Captchas/captchaBuilderFunc.php";
$param['plex'] = $plex;
getCaptchaBuilder($param);
break;
case 1:
default:
self::getCodeSimpleImage($param);
#彩色
break;
}
exit;
}
}
$py = $y * $rand2;
imagesetpixel($distortion_im, $px + 80, $py + $yy, $text_c);
}
}
//设置文件头;
Header("Content-type: image/JPEG");
//以PNG格式将图像输出到浏览器或文件;
ImagePNG($distortion_im);
//销毁一图像,释放与image关联的内存;
ImageDestroy($distortion_im);
ImageDestroy($im);
}
function make_rand($length = "32")
{
//验证码文字生成函数
$str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
$result = "";
for ($i = 0; $i < $length; $i++) {
$num[$i] = rand(0, 25);
$result .= $str[$num[$i]];
}
return $result;
}
//输出调用
$checkcode = make_rand(4);
session_start();
//将随机数存入session中
$_SESSION['helloweba_gg'] = strtolower($checkcode);
getAuthImage($checkcode);
/**
* 验证码生成
*/
public function getcapcode($type = 'reg')
{
$checkcode = make_rand(4);
$_SESSION['capcode_' . $type] = strtolower($checkcode);
getAuthImage($checkcode);
}