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