标签:
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
标签:
原文地址:http://www.cnblogs.com/xiaolang1/p/4325353.html