<?php/******************************************************************************参数说明:$max_file_size:上传文件大小限制,单位BYTE$destination_folder:上传文件路径$watermark:是否附加水印(1为加水印,其他为不加水印);******************************************************************************///上传文件类型列表$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);$imgpreviewsize=1/2;//缩略图比例?><html><head><title>ZwelL图片上传程序</title><styletype="text/css"><!--body{font-size:9pt;}input{background-color:#66CCFF;border:1pxinset#CCCCCC;}--></style></head><body><formenctype="multipart/form-data"method="post"name="upform">上传文件:<inputname="upfile"type="file"><inputtype="submit"value="上传"><br>允许上传的文件类型为:<?=implode(',',$uptypes)?></form><?phpif($_SERVER['REQUEST_METHOD']=='POST'){if(!is_uploaded_file($_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"<fontcolor=red>已经成功上传</font><br>文件名:<fontcolor=blue>".$destination_folder.$fname."</font><br>";echo"宽度:".$image_size[0];echo"长度:".$image_size[1];echo"<br>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($iinfo[2]){case1:$simage=imagecreatefromgif($destination);break;case2:$simage=imagecreatefromjpeg($destination);break;case3:$simage=imagecreatefrompng($destination);break;case6:$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){case1://加水印字符串imagestring($nimage,2,3,$image_size[1]-15,$waterstring,$black);break;case2://加水印图片$simage1=imagecreatefromgif("xplore.gif");imagecopy($nimage,$simage1,0,0,0,0,85,15);imagedestroy($simage1);break;}switch($iinfo[2]){case1://imagegif($nimage,$destination);imagejpeg($nimage,$destination);break;case2:imagejpeg($nimage,$destination);break;case3:imagepng($nimage,$destination);break;case6:imagewbmp($nimage,$destination);//imagejpeg($nimage,$destination);break;}//覆盖原上传文件imagedestroy($nimage);imagedestroy($simage);}if($imgpreview==1){echo"<br>图片预览:<br>";echo"<imgsrc="".$destination.""width=".($image_size[0]*$imgpreviewsize)."height=".($image_size[1]*$imgpreviewsize);echo"alt="图片预览: 文件名:".$destination." 上传时间:">";}}?></body></html>