php给图片添加水印
<?php echo "<?xml version=\"1.0\" encoding=\"UTF-8\"";?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Insert title here</title><style type="text/css">td { margin: 0;}</style><script type="text/javascript">function submit(){ obj=document.form1.submit(); return obj;}</script></head><body><form name="form1" method="post" enctype="multipart/form-data" action="<?php echo $_SERVER ["PHP_SELF"]?>"><table cellpadding="0" cellspacing="0" border="0" bordercolordark="#ffffff" bordercolorlight="#0000ff"> <tr> <td><label>FileUpload : </label></td> <td><input type="file" name="file"></input></td> <td><input type="submit" name="submit" value="Submit"></input></td> </tr></table></form></body></html><?phpif (! isset ( $_POST ["submit"] )) { return;} else { if (isset ( $_FILES ["file"] ) || $_POST ["file"] != "") { $file = $_FILES ["file"] ["tmp_name"]; $img_info = getimagesize ( $file ); switch ($img_info [2]) { case 1 : $im = imagecreatefromgif ( $file ); break; case 2 : $im = imagecreatefromjpeg ( $file ); break; case 3 : $im = imagecreatefrompng ( $file ); break; } $back = imagecolorallocate ( $im, 255, 255, 200 ); $color = imagecolorallocate ( $im, 0, 0, 255 ); $str = "you select it"; imagefilledrectangle ( $im, 0, 0, 90, 20, $back ); imagestring ( $im, 5, 0, 0, $str, $color ); $filepath = "upload/"; $name = $filepath . $_FILES ["file"] ["name"]; switch ($img_info [2]) { case 1 : imagegif ( $im, $name ); break; case 2 : imagejpeg ( $im, $name ); break; case 3 : imagepng ( $im, $name ); break; } echo "<img src=\"$name\" / alt="php给图片平添水印" >"; }}?>
