class upfile {
public $filepath = "www.111cn.net/"; //上传文件存放文件夹
public $filesize = 1000000; //允许上传的大小
//如果要修改允许上传文件的类型 请搜索 【 switch ($upfiletype) { //文件类型 】
public $reimagesize = array (
?? true,//是否生成缩略图
?? 400,//缩略图宽
?? 300,//缩略图高
?? "" //缩略图存放文件夹 如果为空和当前要生成缩略图的文件在同一目录 文件前缀r_
); //是否生成缩略图 array(生成或不生成，缩略图宽,缩略图高,存放文件夹); 注意：存放文件夹后跟 ‘/‘
public $india = true; //是否打水印 true打 false不打
public $indiaimage = ""; //水印图片地址为空则不打图片水印 如果有文字水印建议不要开启图片水印
public $indiaimagex = 100; //图片距离图片左边距离
public $indiaimagey = 10; //图片距离图片上面距离
public $indiatext = "www.111cn.net"; //水印文字
public $fontsize = 6; //水印文字大小,1最小6最大
public $indiatextx = 10; //文字距离图片左边距离
public $indiatexty = 10; //文字距离图片上面距离
public $r = 250; //图片颜色三原色 $r红
public $g = 250; //$g绿
public $b = 250; //$b蓝
public $indiapath = ""; //加了水印的图片保存路径,如果为空就直接替代原来的图片
//开始上传处理
function uploadfile($upfile) {
?? if ($upfile == "") {
??? die("uploadfile:参数不足");
?? }
?? if (!file_exists($this->filepath)) {
??? mkdir($this->filepath);
?? }
?? $upfiletype = $upfile[‘type‘];
?? $upfilesize = $upfile[‘size‘];
?? $upfiletmpname = $upfile[‘tmp_name‘];
?? $upfilename = $upfile[‘name‘];
?? $upfileerror = $upfile[‘error‘];
?? if ($upfilesize > $this->filesize) {
??? return false; //文件过大
?? }
?? switch ($upfiletype) { //文件类型
??? case ‘image/jpeg‘ :
???? $type = ‘jpg‘;
???? break;
??? case ‘image/pjpeg‘ :
???? $type = ‘jpg‘;
???? break;
??? case ‘image/png‘ :
???? $type = ‘png‘;
???? break;
??? case ‘image/gif‘ :
???? $type = ‘gif‘;
???? break;
?? }
?? if (!isset ($type)) {
??? return false; //不支持此类型
?? }
?? if (!is_uploaded_file($upfiletmpname) or !is_file($upfiletmpname)) {
??? return false;
??? ; //文件不是经过正规上传的;
?? }
?? if ($this->upfileerror != 0) {
??? return false; //其他错误
?? }
?? if ($this->upfileerror == 0) {
??? if (!file_exists($upfiletmpname)) {
???? return false; //临时文件不存在
??? } else {
???? $filename = date("ymdhis",time() + 3600 * 8); //图片已当前时间命名
???? $filename = $this->filepath . $filename . "." . $type;
???? if (!move_uploaded_file($upfiletmpname,$filename)) {
????? return false; //文件在移动中丢失
???? } else {
????? if ($this->india == true) {
?????? $this->goindia($filename,$type,true);
????? } else {
?????? if ($this->reimagesize[0] == true) {
??????? $this->goreimagesize($filename,$type);
?????? } else {
??????? return true; //上传成功!
??????? unlink($upfiletmpname);
?????? }
????? }
???? }
??? }
?? }
}
//添加水印处理
function goindia($filename,$filetype,$reimage=false) {
?? if (!file_exists($filename)) {
??? $this->reerror(7); //要添加水印的文件不存在
?? } else {
??? if ($filetype == "jpg") {
???? $im = imagecreatefromjpeg($filename);
??? } else
???? if ($filetype == "gif") {
????? $im = imagecreatefromgif($filename);
???? } else
????? if ($filetype == "png") {
?????? $im = imagecreatefrompng($filename);
????? }
??? if ($this->indiatext != "") { //如果水印文字不为空
???? $textcolor = imagecolorallocate($im,$this->r,$this->g,$this->b); //设置文字颜色
???? imagestring($im,$this->fontsize,$this->indiatextx,$this->indiatexty,$this->indiatext,$textcolor); //将文字写入图片
??? }
??? if ($this->indiaimage != "") {//如果水印图片不为空
???? $indiaimagetype = getimagesize($this->indiaimage);
???? $logow = $indiaimagetype[0]; //得到水印图片的宽
???? $logoh = $indiaimagetype[1]; //得到水印图片的高
???? switch ($indiaimagetype[2]) { //判断水印图片的格式
????? case 1 :
?????? $indiaimagetype = "gif";
?????? $logo = imagecreatefromgif($this->indiaimage);
?????? break;
????? case 2 :
?????? $indiaimagetype = "jpg";
?????? $logo = imagecreatefromjpeg($this->indiaimage);
?????? break;
????? case 3 :
?????? $indiaimagetype = "png";
?????? $logo = imagecreatefrompng($this->indiaimage);
?????? break;
???? }
???? imagealphablending($im,true); //打开混色模式
???? imagecopy($im,$logo,$this->indiaimagex,$this->indiaimagey,$logow,$logoh);
???? imagedestroy($im);
???? imagedestroy($logo);
??? }
?? }
?? if ($this->indiapath == "") { //如果水印存放地址不为空
??? if ($filetype == "jpg") {
???? imagejpeg($im,$filename);
??? } else
???? if ($filetype == "gif") {
????? imagegif($im,$filename);
???? } else
????? if ($filetype == "png") {
?????? imagepng($im,$filename);
????? }
??? if($reimage == true){
???? $this->goreimagesize($filename,$filetype);
??? }else{
???? return true; //添加水印成功
??? }
?? } else {
??? if (!file_exists($this->indiapath)) {
???? mkdir($this->indiapath);
???? return false; //请重新上传
??? } else {
???? $indianame = basename($filename);
???? $indianame = $this->indiapath . $indianame;
???? if ($filetype == "jpg") {
????? imagejpeg($im,$indianame);
???? } else
????? if ($filetype == "gif") {
?????? imagegif($im,$indianame);
????? } else
?????? if ($filetype == "png") {
??????? imagepng($im,$indianame);
?????? }
???? if($reimage == true){
????? $this->goreimagesize($indianame,$filetype);
????? echo $indianame;
???? }else{
????? return true; //添加水印成功
???? }
??? }
?? }
}
function goreimagesize($filename,$filetype) {
?? if (!file_exists($filename)) {
??? return false; //要生成缩略图的图片不存在
?? } else {
??? if ($filetype == ‘jpg‘) {
???? $reimage = imagecreatefromjpeg($filename);
??? }
??? elseif ($filetype == ‘png‘) {
???? $reimage = imagecreatefrompng($filename);
??? } else
???? if ($filetype == ‘gif‘) {
????? $reimage = imagecreatefromgif($filename);
???? }
??? if (isset ($reimage)) {
???? $srcimagetype = getimagesize($filename);
???? $srcimagetypew = $srcimagetype[0]; //得到原始图片宽度
???? $srcimagetypeh = $srcimagetype[1]; //得到原始图片高度
???? $reim = imagecreatetruecolor($this->reimagesize[1],$this->reimagesize[2]);
???? imagecopyresized($reim,$reimage,$this->reimagesize[1],$this->reimagesize[2],$srcimagetypew,$srcimagetypeh);
???? $reimagepath = $this->reimagesize[3];
???? if ($reimagepath != "") { //如果存放水印地址不为空
????? if (!file_exists($reimagepath)) {
?????? mkdir($reimagepath);
????? } else {
?????? $reimagename = basename($filename);
?????? $reimagename = $reimagepath . "r_" . $reimagename;
?????? if ($filetype == "gif")
??????? imagegif($reim,$reimagename);
?????? else
??????? if ($filetype == "jpg")
???????? imagejpeg($reim,$reimagename);
??????? else
???????? if ($filetype == "png")
????????? imagepng($reim,$reimagename);
?????? return true;
????? }
???? } else {
????? $filename = basename($filename);
????? if($this->indiapath == ""){
?????? $filename = $this->filepath."r_" . $filename;
????? }else{
?????? $filename = $this->indiapath."r_" . $filename;
????? }
????? if ($filetype == "gif")
?????? imagegif($reim,$filename);
????? else
?????? if ($filetype == "jpg")
??????? imagejpeg($reim,$filename);
?????? else
??????? if ($filetype == "png")
???????? imagepng($reim,$filename);
????? return true;
???? }
??? }
?? }
}
}
if ($_post["submit"]) {
$file = $_files[‘uploadfile‘];
$upfile = new upfile();
echo $upfile->uploadfile($file);
}
?>
<form enctype="multipart/form-data" method="post" action=""><input type="file" name="uploadfile" /><br /><input type="submit" name="submit" value="上传" /><br /> </form>
