264 lines
7.2 KiB
PHP
264 lines
7.2 KiB
PHP
<?php
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/**
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上传文件类upfileChajian
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create：chenxihu
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createdt：2013-11-15
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explain：上传文件类，可上传任何文件类型
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*/
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class upfileChajian extends Chajian{
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public $ext; //上传类型
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public $maxsize; //上传大小(MB)
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public $path; //文件夹
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private $jpgallext = '|jpg|png|gif|bmp|jpeg|'; //图片格式
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//可上传文件类型，也就是不保存为uptemp的文件
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private $upallfile = '|doc|docx|xls|xlsx|ppt|pptx|pdf|swf|rar|zip|txt|gz|wav|mp3|avi|mp4|flv|wma|chm|apk|amr|log|json|cdr|psd|';
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/**
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初始化
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@param $ext string 上传类型
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@param $path string 上传目录 如：upload|e|ee
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@param $maxsize ing 上传大小(MB)
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*/
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public function initupfile($ext,$path,$maxsize=1)
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{
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if($ext=='image')$ext = $this->jpgallext;
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$this->ext = $ext;
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$this->maxsize = $maxsize;
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$this->path = $path;
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}
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private function _getmaxupsize($lx)
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{
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$iniMax = strtolower(ini_get($lx));
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if ('' === $iniMax) {
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return PHP_INT_MAX;
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}
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$max = ltrim($iniMax, '+');
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if (0 === strpos($max, '0x')) {
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$max = intval($max, 16);
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} elseif (0 === strpos($max, '0')) {
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$max = intval($max, 8);
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} else {
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$max = (int) $max;
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}
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switch (substr($iniMax, -1)) {
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case 't': $max *= 1024;
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case 'g': $max *= 1024;
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case 'm': $max *= 1024;
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case 'k': $max *= 1024;
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}
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return $max;
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}
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public function getmaxupsize()
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{
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$post = $this->_getmaxupsize('post_max_size');
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$upmx = $this->_getmaxupsize('upload_max_filesize');
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if($post < $upmx)$upmx = $post;
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return $upmx;
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}
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public function getmaxzhao()
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{
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$size = $this->getmaxupsize();
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$size = $size / 1024 / 1024;
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return (int)$size;
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}
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/**
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* 是否在可保存范围内容
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*/
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public function issavefile($ext)
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{
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$bo = false;
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$upallfile = $this->jpgallext.$this->upallfile;
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if($this->contain($upallfile, '|'.$ext.'|'))$bo = true;
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return $bo;
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}
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public function isimg($ext)
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{
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return $this->contain($this->jpgallext, '|'.$ext.'|');
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}
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/**
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* 判断是不是图片
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*/
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public function isimgsave($ext, $file)
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{
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$arr = array();
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if(!file_exists($file))return $arr;
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if($this->isimg($ext)){
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list($picw,$pich) = getimagesize($file);
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if($picw==0||$pich==0){
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@unlink($file);
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}
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$arr[0] = $picw;
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$arr[1] = $pich;
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}
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return $arr;
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}
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public function isoffice($ext)
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{
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return contain('|doc|docx|xls|xlsx|ppt|pptx|pdf|', '|'.$ext.'|');
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}
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/**
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上传
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@param $name string 对应文本框名称
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@param $cfile string 文件名心的文件名，不带扩展名的
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@return string/array
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*/
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public function up($name,$cfile='')
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{
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if(!$_FILES)return 'sorry!';
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$file_name = $_FILES[$name]['name'];
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$file_size = $_FILES[$name]['size'];//字节
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$file_type = $_FILES[$name]['type'];
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$file_error = $_FILES[$name]['error'];
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$file_tmp_name = $_FILES[$name]['tmp_name'];
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$zongmax = $this->getmaxupsize();
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if($file_size<=0 || $file_size > $zongmax){
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return '文件为0字节/超过'.$this->formatsize($zongmax).'，不能上传';
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}
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$file_sizecn = $this->formatsize($file_size);
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$file_ext = $this->getext($file_name);//文件扩展名
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$file_img = $this->isimg($file_ext);
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$file_kup = $this->issavefile($file_ext);
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if(!$file_img && !$this->isoffice($file_ext) && getconfig('systype')=='demo')return '演示站点禁止文件上传';
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if($file_error>0){
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$rrs = $this->geterrmsg($file_error);
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return $rrs;
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}
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if(!$this->contain('|'.$this->ext.'|', '|'.$file_ext.'|') && $this->ext != '*'){
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return '禁止上传文件类型['.$file_ext.']';
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}
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if($file_size>$this->maxsize*1024*1024){
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return '上传文件过大，限制在：'.$this->formatsize($this->maxsize*1024*1024).'内，当前文件大小是：'.$file_sizecn.'';
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}
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//创建目录
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$zpath=explode('|',$this->path);
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$mkdir='';
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for($i=0;$i<count($zpath);$i++){
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$mkdir.=''.$zpath[$i].'/';
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if(!is_dir($mkdir))mkdir($mkdir);
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}
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//新的文件名
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$file_newname = $file_name;
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$randname = $file_name;
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if(!$cfile==''){
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$file_newname=''.$cfile.'.'.$file_ext.'';
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}else{
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$_oldval = m('option')->getval('randfilename');
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$randname = $this->getrandfile(1, $_oldval);
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m('option')->setval('randfilename', $randname);
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$file_newname=''.$randname.'.'.$file_ext.'';
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}
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$save_path = ''.str_replace('|','/',$this->path);
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//if(!is_writable($save_path))return '目录'.$save_path.'无法写入不能上传';
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$allfilename= $save_path.'/'.$file_newname.'';
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$uptempname = $save_path.'/'.$randname.'.uptemp';
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$upbool = true;
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if(!$file_kup){
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$allfilename= $this->filesave($file_tmp_name, $file_newname, $save_path, $file_ext);
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if(isempt($allfilename))return '无法保存到'.$save_path.'';
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}else{
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$upbool = @move_uploaded_file($file_tmp_name,$allfilename);
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}
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if($upbool){
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$picw=0;$pich=0;
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if($file_img){
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$fobj = $this->isimgsave($file_ext, $allfilename);
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if(!$fobj){
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return 'error:非法图片文件';
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}else{
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$picw = $fobj[0];
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$pich = $fobj[1];
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}
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}
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return array(
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'newfilename' => $file_newname,
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'oldfilename' => $file_name,
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'filesize' => $file_size,
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'filesizecn' => $file_sizecn,
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'filetype' => $file_type,
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'filepath' => $save_path,
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'fileext' => $file_ext,
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'allfilename' => $allfilename,
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'picw' => $picw,
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'pich' => $pich
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);
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}else{
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return '上传失败：'.$this->geterrmsg($file_error).'';
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}
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}
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private function getrandfile($xu, $val)
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{
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$randname = ''.date('d_His').''.rand(10,99*$xu).'';
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if($val==$randname)return $this->getrandfile($xu+1, $val);
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return $randname;
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}
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private function geterrmsg($code)
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{
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$arrs[1] = '上传文件大小超过服务器允许上传的最大值';
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$arrs[2] = '上传文件大小超过HTML表单中隐藏域MAX_FILE_SIZE选项指定的值';
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$arrs[6] = '没有找不到临时文件夹';
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$arrs[7] = '文件写入失败';
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$arrs[8] = 'php文件上传扩展没有打开';
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$arrs[3] = '文件只有部分被上传';
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$rrs = '上传失败，可能是服务器内部出错，请重试';
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if(isset($arrs[$code]))$rrs=$arrs[$code];
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return $rrs;
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}
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//返回文件大小
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public function formatsize($size)
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{
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return $this->rock->formatsize($size);
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}
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//获取扩展名
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public function getext($file)
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{
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return strtolower(substr($file,strrpos($file,'.')+1));
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}
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/**
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* 非法文件保存为临时uptemp的形式
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*/
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public function filesave($oldfile, $filename, $savepath, $ext)
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{
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$file_kup = $this->issavefile($ext);
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$ldisn = strrpos($filename, '.');
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if($ldisn>0)$filename = substr($filename, 0, $ldisn);
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$filepath = ''.$savepath.'/'.$filename.'.'.$ext.'';
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if(!$file_kup){
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$filebase64 = base64_encode(file_get_contents($oldfile));
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$filepath = ''.$savepath.'/'.$filename.'.uptemp';
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$bo = $this->rock->createtxt($filepath, $filebase64);
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@unlink($oldfile);
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if(!$bo)$filepath = '';
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}else{
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}
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return $filepath;
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}
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}
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