图片上写入中文或水印

<?php
//session_start();
header("Content-type: image/png"); //声明图片
//$image = imagecreate(417, 294);    //创建图片大小
$image = imagecreatefrompng("cj.png");
$admin = imageCreatefrompng("admin.png");

$wfilew=imagesx($image);//取得图片的宽
$wfileh=imagesy($image);//取得图片的高
$waterw=imagesx($admin);//取得水印图片的宽
$waterh=imagesy($admin);//取得水印图片的高

//$imgbg = imagecolorallocate($image,30, 30, 30);  //图片背景色彩
//imagefill($image, 10, 10, $imgbg);
$colorBlack = imagecolorallocate($image, 0, 0, 0);
$colorBlacks = imagecolorallocate($image, 144, 144, 144);


imagettftext($image, 20, 0,270, 250, $colorBlack, "simkai.ttf", "吕滔");
imagettftext($image, 12, 0,230, 424, $colorBlacks, "arial.ttf", "420528198602344812");
imagettftext($image, 12, 0,290, 450, $colorBlacks, "arial.ttf", "PHP100-20100001");
imagettftext($image, 12, 0,260, 477, $colorBlacks, "arial.ttf", "PHP100-20100001");
imagecopy($image, $admin, 550, 350, 0, 0, $waterw,$waterh);
//imagestring("2.jpg",2,3,10,$waterstring,$colorBlack); 
//$_SESSION['lvtao']=$waterstring;
imagepng($image);
?>







<?php //保留后面的字符
//$email = 'user@lvtao.net';
//$domain = strstr($email, '@');
//echo $domain; // prints @lvtao.net'
?>