鼠笼管理系统
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<?php
/**
* Functionality: 文件上传,生成缩略图,加水印类
*/
class Tool_Upload{
// Original file name
public $fileName;
// Temp name
private $tempName;
// Original file extension
public $extension;
// Original file size
private $fileSizes;
// Max upload size
private $maxSize = 0;
// Save name
public $saveName;
// Save path
private $savePath;
// Watermark save path
private $waterPath = 'watermark';
// Allowded file types
public $validTypes = array();
// OverWrite file if exists ?
private $overWrite = 1;
// Error for return
private $error;
// Delete tmp file ?
private $delete = false;
// Errors
private $errorArr = array(
0 => 'Invalid file format',
1 => 'File size exceeds the max limited size !',
2 => 'File already exists !',
3 => 'Save path is unwritable !',
4 => 'Failed to upload, unknown error !',
5 => 'Failed to create directory !',
6 => 'Failed to create thumbnail! please check !',
);
// Constructor
/**
* $fileArray = $_FILE['fileName'] object
* $delete: 是否删除临时文件
*/
function Tool_Upload($fileArray, $savePath = '', $delete = true){
// Get original file info
$this->fileName = $fileArray['name'];
$this->tempName = $fileArray['tmp_name'];
$this->getExtension($this->fileName);
$this->size = $fileArray['size'];
if($delete){
$this->delete = true;
}
// Set allowed upload types
//$this->validTypes = array('jpg', 'jpeg', 'bmp', 'png', 'gif','txt','xls');
$this->validTypes = array('jpg', 'jpeg', 'bmp', 'png', 'gif' ,'pdf');
// Set max allowed size 10M
$this->maxSize = 10*1024*1024;
// Set savePath
if(isset($savePath)){
$this->savePath = $savePath;
}else{
$this->savePath = 'uploads/img/';
}
}
public function getSaveName(){
$newName = md5(md5(date('YmdHis') . rand(1000, 99999)).'pyp123');
return $newName;
}
/**
* Upload file
*/
function upload($targetName = ''){
$this->saveName = $targetName;
// Check before upload
$valid = $this->checkFileInfo();
// Create target folder
$this->createDir($this->savePath);
if($valid){
if($this->copyFile()){
return 1;
}else{
return $this->errorArr[4];
}
}else{
return $this->error;
}
}
function uploadh5($pImg,$tSavename,$tImgurl_small){
list($tType, $tData) = explode(',', $pImg);
$this->saveName = $tSavename;
if(strstr($tType,'image/jpeg')!==''){
$this->extension = 'jpg';
}elseif(strstr($tType,'image/gif')!==''){
$this->extension ='gif';
}elseif(strstr($tType,'image/png')!==''){
$this->extension ='png';
}else{
Tool_Fnc::ajaxMsg('非法文件');
}
$tDir = $this->savePath;
$this->createDir(APPLICATION_PATH.'/public/'.$tImgurl_small);
Tool_Fnc::writefile(APPLICATION_PATH.'/public/'.$tImgurl_small.'/'.$tSavename.'.'.$this->extension,base64_decode($tData));
$this->createDir($tDir);
//Tool_Fnc::writefile($tDir.'/'/$this->saveName.'/'.$this->extension,$img_small);
Tool_Fnc::writefile($tDir.'/'.$this->saveName.'.'.$this->extension,base64_decode($tData));
//$this->createThumbh5('100','100',APPLICATION_PATH.'/public/'.$tImgurl_small);
//return 1;
//if($res){
return 1;
//}else{
// return false;
//}
}
function createThumbh5($targetWidth, $targetHeight, $path){
$sourceImg = $this->savePath.'/'.$this->saveName.$this->extension;
// Get image size
$originalSize = getimagesize($sourceImg);
// Set thumb image size
$targetSize = $this->setWidthHeight($originalSize[0], $originalSize[1], $targetWidth, $targetHeight);
// Get image extension
$this->getExtension($sourceImg);
// Determine source image type
if($this->extension == 'gif'){
$src = imagecreatefromgif($sourceImg);
}elseif($this->extension == 'png'){
$src = imagecreatefrompng($sourceImg);
}elseif ($this->extension == 'jpg' || $this->extension == 'jpeg'){
$src = imagecreatefromjpeg($sourceImg);
}else{
return $this->errorArr[0];
}
// Copy image
$dst = imagecreatetruecolor($targetSize[0], $targetSize[1]);
imagecopyresampled($dst, $src, 0, 0, 0, 0, $targetSize[0], $targetSize[1],$originalSize[0], $originalSize[1]);
if(!file_exists($path)){
if(!$this->createDir($path)){
return $this->errorArr[5];
}
}
// Path + fileName
$thumbName = $path.$this->saveName;
if($this->extension == 'gif'){
imagegif($dst, $thumbName);
}else if($this->extension == 'png'){
imagepng($dst, $thumbName);
}else if($this->extension == 'jpg' || $this->extension == 'jpeg'){
imagejpeg($dst, $thumbName, 100);
}else{
return $this->errorArr[6];
}
imagedestroy($dst);
imagedestroy($src);
return $thumbName;
}
/**
* Check file info before upload and set target file name if everything is OK
*/
function checkFileInfo(){
$valid = 1;
// Check file type
if(!in_array($this->extension, $this->validTypes)){
$this->error = $this->errorArr[0];
$valid = false;
}
// Check file size
if($this->size > $this->maxSize){
$this->error = $this->errorArr[1];
$valid = false;
}
if(!file_exists($this->savePath)){
$this->createDir($this->savePath);
}
// Check whether save path is writable
if(!is_writable($this->savePath)){
$this->error = $this->errorArr[3];
$valid = false;
}
// Set target name
$this->setTargetName();
// File exists ?
if(!$this->overWrite && file_exists($this->savePath.$this->saveName)){
$this->error = $this->errorArr[2];
$valid = false;
}
return $valid;
}
/**
* Copy file
*/
function copyFile(){
// Copy file to final path
if(move_uploaded_file($this->tempName, $this->savePath.$this->saveName)){
if($this->delete){
@unlink($this->tempName);
}
//raiseError($traceInfo, $this->errorArr[4]);
}
return true;
}
/**
* set target name
*/
function setTargetName(){
// saveName is not set, generate a random file name
if(!isset($this->saveName)){
srand((double)microtime() * 1000000);
$rand = rand(100, 999);
$finalName = date('U') + $rand;
$finalName .= '.'.$this->extension;
}else{
$finalName = $this->saveName.'.'.$this->extension;
}
$this->saveName = $finalName;
}
/**
* Create thumb
* @access public
* $sourceImg: source image
* $targetWidth 缩略图宽度
* $targetHeight 缩略图高度
* $path: target path to store thumb image
*
* @return full path + file name if success
*/
function createThumb($targetWidth, $targetHeight, $path){
$sourceImg = $this->savePath.$this->saveName;
// Get image size
$originalSize = getimagesize($sourceImg);
// Set thumb image size
$targetSize = $this->setWidthHeight($originalSize[0], $originalSize[1], $targetWidth, $targetHeight);
// Get image extension
$this->getExtension($sourceImg);
// Determine source image type
if($this->extension == 'gif'){
$src = imagecreatefromgif($sourceImg);
}elseif($this->extension == 'png'){
$src = imagecreatefrompng($sourceImg);
}elseif ($this->extension == 'jpg' || $this->extension == 'jpeg'){
$src = imagecreatefromjpeg($sourceImg);
}else{
return $this->errorArr[0];
}
// Copy image
$dst = imagecreatetruecolor($targetSize[0], $targetSize[1]);
imagecopyresampled($dst, $src, 0, 0, 0, 0, $targetSize[0], $targetSize[1],$originalSize[0], $originalSize[1]);
if(!file_exists($path)){
if(!$this->createDir($path)){
return $this->errorArr[5];
}
}
// Path + fileName
$thumbName = $path.$this->saveName;
if($this->extension == 'gif'){
imagegif($dst, $thumbName);
}else if($this->extension == 'png'){
imagepng($dst, $thumbName);
}else if($this->extension == 'jpg' || $this->extension == 'jpeg'){
imagejpeg($dst, $thumbName, 100);
}else{
return $this->errorArr[6];
}
imagedestroy($dst);
imagedestroy($src);
return $thumbName;
}
/**
* Set thumb image width and height
*/
function setWidthHeight($width, $height, $maxWidth, $maxHeight) {
if($width > $height){
if($width > $maxWidth){
$difinwidth = $width/$maxWidth;
$height = intval($height/$difinwidth);
$width = $maxWidth;
if($height > $maxHeight){
$difinheight = $height/$maxHeight;
$width = intval($width/$difinheight);
$height = $maxHeight;
}
}else{
if($height > $maxHeight){
$difinheight = $height/$maxHeight;
$width = intval($width/$difinheight);
$height = $maxHeight;
}
}
}else{
if($height > $maxHeight){
$difinheight = $height/$maxHeight;
$width = intval($width/$difinheight);
$height = $maxHeight;
if($width > $maxWidth){
$difinwidth = $width/$maxWidth;
$height = intval($height/$difinwidth);
$width = $maxWidth;
}
}else{
if($width > $maxWidth){
$difinwidth = $width/$maxWidth;
$height = intval($height/$difinwidth);
$width = $maxWidth;
}
}
}
$final = array($width, $height);
return $final;
}
/**
* Functionality: Add watermark
* @Params:
$source: source img with path
$destination: target img with path
$watermarkPath: water mark img
* @Retrun: image with watermark
*/
function addWatermark($source, $destination, $watermarkPath){
list($owidth,$oheight) = getimagesize($source);
$width = $height = 300;
$im = imagecreatetruecolor($width, $height);
$img_src = imagecreatefromjpeg($source);
imagecopyresampled($im, $img_src, 0, 0, 0, 0, $width, $height, $owidth, $oheight);
$watermark = imagecreatefrompng($watermarkPath);
list($w_width, $w_height) = getimagesize($watermarkPath);
$pos_x = $width - $w_width;
$pos_y = $height - $w_height;
imagecopy($im, $watermark, $pos_x, $pos_y, 0, 0, $w_width, $w_height);
imagejpeg($im, $destination, 100);
imagedestroy($im);
}
/**
* Get file extension
*/
function getExtension($fileName){
$info = pathinfo($fileName);
$this->extension = strtolower($info['extension']);
}
/**
* Create directory recursively
*/
function createDir($folder){
$reval = false;
if(!file_exists($folder)){
@umask(0);
preg_match_all('/([^\/]*)\/?/i', $folder, $atmp);
$base = ($atmp[0][0] == '/') ? '/' : '';
foreach($atmp[1] AS $val) {
if('' != $val){
$base .= $val;
if ('..' == $val || '.' == $val) {
$base .= '/';
continue;
}
}else{
continue;
}
$base .= '/';
if(!file_exists($base)){
if(@mkdir($base, 0777)){
@chmod($base, 0777);
$reval = true;
}
}
}
}else{
$reval = is_dir($folder);
}
clearstatcache();
return $reval;
}
}
?>