PHP图片上传程序(单张)

"Content-Type" content="text/html; charset=utf-8" />//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$destination_folder="uploadimg/"; //上传文件路径$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?>ZwelL图片上传程序"text/css">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 " 已经成功上传文件名: ".$destination_folder.$fname." "; echo " 宽度:".$image_size[0]; echo " 长度:".$image_size[1]; echo " 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 " 图片预览: "; echo ".$destination."" width=".($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:">"; }}?>

从PHP100上搜刮来的，功能很强大。几乎考虑到了每个细节，与大家分享！~~~

PHP图片上传程序(单张)

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