class upfile {

public $filepath = "www.111com.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.111com.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, 0, 0, $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, 0, 0, 0, 0, $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);

}

?>