php上传图片精典源码.doc

M4U BLOG - body,tdfont-family:tahoma,verdana,arial;font-size:11px;line-height:15px;background-color:white;color:#666666;margin-left:20px;strongfont-size:12px;ainkcolor:#0066CC;a:hovercolor:#FF6600;aisitedcolor:#003366;a:activecolor:#9DCC00;table.itabletd.irowsheight:20px;background:url(index.php?i=dots repeat-x bottom上传文件: 允许上传的文件类型为:jpg|jpeg|png|pjpeg|gif|bmp|x-png|swf 返回?phpif ($_SERVERREQUEST_METHOD = POST)if (!is_uploaded_file($_FILESupfiletmp_name)/是否存在文件echo 文件不存在！;exit;$file = $_FILESupfile;if($max_file_size $filesize)/检查文件大小echo 文件太大！;exit;if(!in_array($filetype, $uptypes)/检查文件类型echo 只能上传图像文件或Flash！;exit;if(!file_exists($destination_folder)mkdir($destination_folder);$filename=$filetmp_name;$image_size = getimagesize($filename);$pinfo=pathinfo($filename);$ftype=$pinfoextension;$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=$pinfobasename;echo 已经成功上传文件名: .$destination_folder.$fname.;echo 宽度:.$image_size0;echo 长度:.$image_size1;if($watermark=1)$iinfo=getimagesize($destination,$iinfo);$nimage=imagecreatetruecolor($image_size0,$image_size1);$white=imagecolorallocate($nimage,255,255,255);$black=imagecolorallocate($nimage,0,0,0);$red=imagecolorallocate($nimage,255,0,0);imagefill($nimage,0,0,$white);switch ($iinfo2)case 1:$simage =imagecreatefromgif($destination);break;case 2:$simage =imagecreatefromjpeg($destination);break;case 3:$simage =imagecreatefrompng($destination);break;case 6:$simage =imagecreatefromwbmp($destination);break;default:die(不能上传此类型文件！);exit;imagecopy($nimage,$simage,0,0,0,0,$image_size0,$image_size1);imagefilledrectangle($nimage,1,$image_size1-15,80,$image_size1,$white);switch($watertype)case 1: /加水印字符串imagestring($nimage,2,3,$image_size1-15,$waterstring,$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 ($iinfo2)case 1:/imagegif($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