-
-
- header("content-type:image/jpeg");
-
- /*一、简单的图像输出*/
- $im = imagecreate(60,40);
- $pink = imagecolorallocate($im,35, 25,220);
- imagejpeg($im);
-
- //imagestring($im,16, 200, 200,"I LOVE YOU",);
-
- /* 二、将字符串写入到图片中 */
- //载入图片
- $me=imagecreatefromjpeg("../../images/3.jpg");
- //设置字体颜色
- $text_color = imagecolorallocate($me, 255,84,0);
- //设置的字体的位置
- $font = "C:WindowsFontssimkai.ttf";
- //要写入的字符串
- $str = iconv('GBK',"UTF-8", "php开发...");
- //将字符串写入到图片中
- imagettftext($me,20,0,50,50, $text_color,$font, $str);
- //输出图片
- imagejpeg($me);
- //释放资源
- imagedestroy($me);
- session_start();
- header("content-type:image/jpeg");
- //验证码
- //图像宽度
- $image_width =65;
- //图像高度
- $image_height =45;
- //设置随机数的种子
- //srand(microtime()*1000);
-
- for ($i=0;$i<6;$i ){
- $new_str .=dechex(rand(0, 100));
- }
- $_SESSION[code]=$new_str;
-
- $image = imagecreate($image_width, $image_height);
- imagecolorallocate($image,rand(0,255), rand(0,255),rand(0,255));
-
- for ($i=0;$i
- $font = mt_rand(3, 8);//生成随机字体大小
- $x = mt_rand(3,10) $image_width*$i/4;
- $y = mt_rand(3,$image_height/4);
- $color = imagecolorallocate($image,mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
- imagestring($image, $font, $x, $y,$_SESSION[code][$i], $color);
- }
- imagepng($image);
- imagedestroy($image);
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