分享下 我网站注册时候的验证码

验证码类，放到 util 下的Images.class.php 里，字体见附件，或者改成你的，命名别重复
static function buildImageVerify($length=4, $mode=1, $type='png', $width=80, $height=40, $verifyName='verify') {
import('ORG.Util.String');
$randval = String::randString($length, $mode);
$_SESSION[$verifyName] = md5($randval);
$width = ($length * 10 + 10) > $width ? $length * 10 + 10 : $width;
if ($type != 'gif' && function_exists('imagecreatetruecolor')) {
$im = imagecreatetruecolor($width, $height);
} else {
$im = imagecreate($width, $height);
}
$backColor = imagecolorallocate($im, 255, 255, 255);
imagefill($im,0,0,$backColor);
$borderColor = imagecolorallocate($im,200,200,200);
imagerectangle($im,0,0,79,39,$borderColor);

for($i=2;$i $line_color = imagecolorallocate($im,rand(200,255),rand(200,255),rand(200,255));
imageline($im,2,$i,77,$i,$line_color);
}
$pic=$im;
$fontfiles = THINK_PATH . 'Font/CORBELZ.TTF';
$font_size=10;
$Str[0] = "ABCDEFGHIJKLMNoPQRSTUVWXYZ";
$Str[1] = "abcdefghijklmnopqrstuvwxyz";
$Str[2] = "1234567890123456789ABCDEFG";

$imstr[0]["s"] = $Str[rand(0,2)][rand(0,25)];
$imstr[0]["x"] = rand(2,5);
$imstr[0]["y"] = rand(1,2);

$imstr[1]["s"] = $Str[rand(0,2)][rand(0,25)];

$imstr[1]["x"] = $imstr[0]["x"]+rand(10,22)-1+rand(0,1);
$imstr[1]["y"] = rand(1,3);


$imstr[2]["s"] = $Str[rand(0,2)][rand(0,25)];

$imstr[2]["x"] = $imstr[1]["x"]+rand(10,22)-1+rand(0,1);
$imstr[2]["y"] = rand(1,2);


$imstr[3]["s"] = $Str[rand(0,2)][rand(0,25)];
$imstr[3]["x"] = $imstr[2]["x"]+rand(10,22)-1+rand(0,1);
$imstr[3]["y"] = rand(1,3);

for ($i = 0; $i $text_color = imagecolorallocate($im,rand(1,255),rand(1,255),rand(1,255));
imagettftext($pic,rand(20,50),$imstr[3]["y"],$imstr[$i]["x"],rand(30,40),$text_color, $fontfiles, $randval{$i});
}
Image::output($im, $type);
}演示地址 http://www.52zjk.cn/Index/reg

CORBELZ.rar ( 74 KB 下载：171 次 )

AD：真正免费，域名+虚机+企业邮箱=0元