1 [php] view plaincopyprint?
2 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
3
4 <?php
5 /******************************************************************************
6
7 参数说明:
8 $max_file_size : 上传文件大小限制, 单位BYTE
9 $destination_folder : 上传文件路径
10 $watermark : 是否附加水印(1为加水印,其他为不加水印);
11
12 使用说明:
13 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;
14 2. 将extension_dir =改为你的php_gd2.dll所在目录;
15 ******************************************************************************/
16
17 //上传文件类型列表
18 $uptypes=array(
19 ‘image/jpg‘,
20 ‘image/jpeg‘,
21 ‘image/png‘,
22 ‘image/pjpeg‘,
23 ‘image/gif‘,
24 ‘image/bmp‘,
25 ‘image/x-png‘
26 );
27
28 $max_file_size=2000000; //上传文件大小限制, 单位BYTE
29 $destination_folder="uploadimg/"; //上传文件路径
30 $watermark=1; //是否附加水印(1为加水印,其他为不加水印);
31 $watertype=1; //水印类型(1为文字,2为图片)
32 $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);
33 $waterstring="http://www.xplore.cn/"; //水印字符串
34 $waterimg="xplore.gif"; //水印图片
35 $imgpreview=1; //是否生成预览图(1为生成,其他为不生成);
36 $imgpreviewsize=1/2; //缩略图比例
37 ?>
38 <html>
39 <head>
40 <title>ZwelL图片上传程序</title>
41 <style type="text/css">
42 <!--
43 body
44 {
45 font-size: 9pt;
46 }
47 input
48 {
49 background-color: #66CCFF;
50 border: 1px inset #CCCCCC;
51 }
52 -->
53 </style>
54 </head>
55
56 <body>
57 <form enctype="multipart/form-data" method="post" name="upform">
58 上传文件:
59 <input name="upfile" type="file">
60 <input type="submit" value="上传"><br>
61 允许上传的文件类型为:<?=implode(‘, ‘,$uptypes)?>
62 </form>
63
64 <?php
65 if ($_SERVER[‘REQUEST_METHOD‘] == ‘POST‘)
66 {
67 if (!is_uploaded_file($_FILES["upfile"][tmp_name]))
68 //是否存在文件
69 {
70 echo "图片不存在!";
71 exit;
72 }
73
74 $file = $_FILES["upfile"];
75 if($max_file_size < $file["size"])
76 //检查文件大小
77 {
78 echo "文件太大!";
79 exit;
80 }
81
82 if(!in_array($file["type"], $uptypes))
83 //检查文件类型
84 {
85 echo "文件类型不符!".$file["type"];
86 exit;
87 }
88
89 if(!file_exists($destination_folder))
90 {
91 mkdir($destination_folder);
92 }
93
94 $filename=$file["tmp_name"];
95 $image_size = getimagesize($filename);
96 $pinfo=pathinfo($file["name"]);
97 $ftype=$pinfo[‘extension‘];
98 $destination = $destination_folder.time().".".$ftype;
99 if (file_exists($destination) && $overwrite != true)
100 {
101 echo "同名文件已经存在了";
102 exit;
103 }
104
105 if(!move_uploaded_file ($filename, $destination))
106 {
107 echo "移动文件出错";
108 exit;
109 }
110
111 $pinfo=pathinfo($destination);
112 $fname=$pinfo[basename];
113 echo " <font color=red>已经成功上传</font><br>文件名: <font color=blue>".$destination_folder.$fname."</font><br>";
114 echo " 宽度:".$image_size[0];
115 echo " 长度:".$image_size[1];
116 echo "<br> 大小:".$file["size"]." bytes";
117
118 if($watermark==1)
119 {
120 $iinfo=getimagesize($destination,$iinfo);
121 $nimage=imagecreatetruecolor($image_size[0],$image_size[1]);
122 $white=imagecolorallocate($nimage,255,255,255);
123 $black=imagecolorallocate($nimage,0,0,0);
124 $red=imagecolorallocate($nimage,255,0,0);
125 imagefill($nimage,0,0,$white);
126 switch ($iinfo[2])
127 {
128 case 1:
129 $simage =imagecreatefromgif($destination);
130 break;
131 case 2:
132 $simage =imagecreatefromjpeg($destination);
133 break;
134 case 3:
135 $simage =imagecreatefrompng($destination);
136 break;
137 case 6:
138 $simage =imagecreatefromwbmp($destination);
139 break;
140 default:
141 die("不支持的文件类型");
142 exit;
143 }
144
145 imagecopy($nimage,$simage,0,0,0,0,$image_size[0],$image_size[1]);
146 imagefilledrectangle($nimage,1,$image_size[1]-15,80,$image_size[1],$white);
147
148 switch($watertype)
149 {
150 case 1: //加水印字符串
151 imagestring($nimage,2,3,$image_size[1]-15,$waterstring,$black);
152 break;
153 case 2: //加水印图片
154 $simage1 =imagecreatefromgif("xplore.gif");
155 imagecopy($nimage,$simage1,0,0,0,0,85,15);
156 imagedestroy($simage1);
157 break;
158 }
159
160 switch ($iinfo[2])
161 {
162 case 1:
163 //imagegif($nimage, $destination);
164 imagejpeg($nimage, $destination);
165 break;
166 case 2:
167 imagejpeg($nimage, $destination);
168 break;
169 case 3:
170 imagepng($nimage, $destination);
171 break;
172 case 6:
173 imagewbmp($nimage, $destination);
174 //imagejpeg($nimage, $destination);
175 break;
176 }
177
178 //覆盖原上传文件
179 imagedestroy($nimage);
180 imagedestroy($simage);
181 }
182
183 if($imgpreview==1)
184 {
185 echo "<br>图片预览:<br>";
186 echo "<img src=\"".$destination."\" width=".($image_size[0]*$imgpreviewsize)." height=".($image_size[1]*$imgpreviewsize);
187 echo " alt=\"图片预览:\r文件名:".$destination."\r上传时间:\">";
188 }
189 }
190 ?>
191 </body>
192 </html>
http://blog.csdn.net/xianglunxi/article/details/9359441
时间： 2024-12-08 16:21:48