<!DOCTYPE html> <?php /* * **************************************************************************** 参数说明: $max_file_size : 上传文件大小限制, 单位BYTE $destination_folder : 上传文件路径 $watermark : 是否附加水印(1为加水印,其他为不加水印); 使用说明: 1. 将PHP.INI文件里面的"extension=php_gd2.dll"一行前面的;号去掉,因为我们要用到GD库; 2. 将extension_dir =改为你的php_gd2.dll所在目录; * **************************************************************************** */ //上传文件类型列表 $uptypes = array( 'image/jpg', 'image/jpeg', 'image/png', 'image/pjpeg', 'image/gif', 'image/bmp', 'image/x-png' ); $max_file_size = 2000000; //上传文件大小限制, 单位BYTE $destination_folder = "images/"; //上传文件路径 $watermark = 1; //是否附加水印(1为加水印,其他为不加水印); $watertype = 1; //水印类型(1为文字,2为图片) $waterposition = 1; //水印位置(1为左下角,2为右下角,3为左上角,4为右上角,5为居中); $waterstring = "http://www.xplore.cn/"; //水印字符串 $waterimg = "xplore.gif"; //水印图片 $imgpreview = 1; //是否生成预览图(1为生成,其他为不生成); $imgpreviewsize = 1 / 2; //缩略图比例 ?> <html> <head> <meta charset="UTF-8"> <title>ZwelL图片上传程序</title> <style type="text/css"> <!-- body { font-size: 9pt; } input { background-color: #66CCFF; border: 1px inset #CCCCCC; } --> </style> </head> <body> <form enctype="multipart/form-data" method="post" name="upform"> 上传文件: <input name="upfile" type="file"> <input type="submit" value="上传"><br> 允许上传的文件类型为:<?= implode(', ', $uptypes) ?> </form> <?php if ($_SERVER['REQUEST_METHOD'] == 'POST') { if (!is_uploaded_file($_FILES["upfile"][tmp_name])) { //是否存在文件 echo "图片不存在!"; exit; } $file = $_FILES["upfile"]; if ($max_file_size < $file["size"]) { //检查文件大小 echo "文件太大!"; exit; } if (!in_array($file["type"], $uptypes)) { //检查文件类型 echo "文件类型不符!" . $file["type"]; exit; } if (!file_exists($destination_folder)) { mkdir($destination_folder); } $filename = $file["tmp_name"]; $image_size = getimagesize($filename); $pinfo = pathinfo($file["name"]); $ftype = $pinfo['extension']; $destination = $destination_folder . time() . "." . $ftype; if (file_exists($destination) && $overwrite != true) { echo "同名文件已经存在了"; exit; } if (!move_uploaded_file($filename, $destination)) { echo "移动文件出错"; exit; } $pinfo = pathinfo($destination); $fname = $pinfo[basename]; echo " <font color=red>已经成功上传</font><br>文件名: <font color=blue>" . $destination_folder . $fname . "</font><br>"; echo " 宽度:" . $image_size[0]; echo " 长度:" . $image_size[1]; echo "<br> 大小:" . $file["size"] . " bytes"; if ($watermark == 1) { $iinfo = getimagesize($destination, $iinfo); $nimage = imagecreatetruecolor($image_size[0], $image_size[1]); $white = imagecolorallocate($nimage, 255, 255, 255); $black = imagecolorallocate($nimage, 0, 0, 0); $red = imagecolorallocate($nimage, 255, 0, 0); imagefill($nimage, 0, 0, $white); switch ($iinfo[2]) { case 1: $simage = imagecreatefromgif($destination); break; case 2: $simage = imagecreatefromjpeg($destination); break; case 3: $simage = imagecreatefrompng($destination); break; case 6: $simage = imagecreatefromwbmp($destination); break; default: die("不支持的文件类型"); exit; } imagecopy($nimage, $simage, 0, 0, 0, 0, $image_size[0], $image_size[1]); imagefilledrectangle($nimage, 1, $image_size[1] - 15, 80, $image_size[1], $white); switch ($watertype) { case 1: //加水印字符串 imagestring($nimage, 2, 3, $image_size[1] - 15, $waterstring, $black); break; case 2: //加水印图片 $simage1 = imagecreatefromgif("xplore.gif"); imagecopy($nimage, $simage1, 0, 0, 0, 0, 85, 15); imagedestroy($simage1); break; } switch ($iinfo[2]) { case 1: //imagegif($nimage, $destination); imagejpeg($nimage, $destination); break; case 2: imagejpeg($nimage, $destination); break; case 3: imagepng($nimage, $destination); break; case 6: imagewbmp($nimage, $destination); //imagejpeg($nimage, $destination); break; } //覆盖原上传文件 imagedestroy($nimage); imagedestroy($simage); } if ($imgpreview == 1) { echo "<br>图片预览:<br>"; echo "<img src="" . $destination . "" width=" . ($image_size[0] * $imgpreviewsize) . " height=" . ($image_size[1] * $imgpreviewsize); echo " alt="图片预览: 文件名:" . $destination . " 上传时间:">"; } } ?> </body> </html>