php给图片平添水印

WBOY

发布： 2016-06-13 13:17:58

原创

706 人浏览过

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>
<?php
if (! 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 " >";
	}
}
?>

登录后复制