$x = floor($this->width/$this->codeNum)*$i+3;
$y = rand(0,$this->height-15);
imagechar($this->image,5,$x,$y,$this->checkCode[$i],$bg_color);
}
}
private function outputImage()
{
if(imagetypes()&IMG_GIF)
{
header("Content_type:image/gif");
imagegif($this->image);
}
elseif(imagetypes()&IMG_JPG)
{
header("Content-type:image/jpeg");
imagejpeg($this->image,"",0.5);
}
elseif(imagetypes()&IMG_PNG)
{
header("Content-type:image/png");
imagejpeg($this->image);
}
elseif(imagetypes()&IMG_WBMP)
{
header("Content-type:image/vnd.wap.wbmp");
imagejpeg($this->image);
}
else
{
die("PHP不支持图像创建");
}
}
function __destruct()
{
imagedestroy($this->image);
}
}
/*显示*/
/*******************************************************************
session_start();
$image = new ImageCode(60,20,4);
$image->showImage();
$_SESSION['ImageCode'] = $image->getCheckCode();
*******************************************************************/
?>
