<"二维码已生成" . "<br />";
$logo = 'emwlogo.gif';//需要显示在二维码中的Logo图像
$QR = 'ewm.png';
if ($logo !== FALSE) {
 $QR = imagecreatefromstring ( file_get_contents ( $QR ) );
 $logo = imagecreatefromstring ( file_get_contents ( $logo ) );
 $QR_width = imagesx ( $QR );
 $QR_height = imagesy ( $QR );
 $logo_width = imagesx ( $logo );
 $logo_height = imagesy ( $logo );
 $logo_qr_width = $QR_width / 5;
 $scale = $logo_width / $logo_qr_width;
 $logo_qr_height = $logo_height / $scale;
 $from_width = ($QR_width - $logo_qr_width) / 2;
 imagecopyresampled ( $QR, $logo, $from_width, $from_width, 0, 0, $logo_qr_width, $logo_qr_height, $logo_width, $logo_height );
}
imagepng ( $QR, 'ewmlogo.png' );//带Logo二维码的文件名
"_blank" href="http://tools.jb51.net/transcoding/jb51qrcode">http://tools.jb51.net/transcoding/jb51qrcode

希望本文所述对大家的php程序设计有所帮助。