<!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:\r文件名:" . $destination . "\r上传时间:\">";
}
}
?>
</body>
</html>
