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php给图片平添水印

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2016-06-13 10:41:09781browse

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" >";	}}?>

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