又花了半天时间写了个php上传类解决方法

又花了半天时间写了个php上传类
刚学PHP没多久，为了更好的练习及熟悉PHP，自己花了大半天写了个php上传类，在这里做个笔记，欢迎朋友们对这个类做修改及优化。

PHP code

<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->//up_class.php<?phpclass UpFile{    private $inputFile;    //文件域名    private $tmpName;    //临时文件名    private $tmpPath;    //临时文件路径    private $savePath;    //保存路径    private $reType;    //返回类型    private $upMaxSize;    //上传文件大小限制    private $allowFile; //允许上传的文件    private $upFolder; //要上传到的文件夹    private $isReName;    //是否要将上传的文件重命名    private $endFileName; //最终保存的文件名    public  $fileSize;    //文件大小    public  $fileType;    //文件类型    public  $errorInt;    //上传失败及错误原因            /**     * @param      * $inputFile(表单内文件域名称);</br>     * $upFolder(保存到服务器的文件夹);     * $isRename(对上传文件重命名，值 有 y|n );     * $reType(上传成功后返回的值：n是返回文件名,pn:返回路径和文件名,j:返回js[待扩展]);     * $upExt(要上传的文件分类,因为在不同的表单要限制不同的上传文件类型，比如 A表单只能上传图片，B表单只能上伟压缩包);     * $maxSize(限制上传的文件大小)     * @author:256kb     * @2012-5-1     */    public function __construct($inputFile , $upExt = 0 , $reType = 'pn' , $upFolder = 'upload/' , $isRename = 'y' , $maxSize = 10485760){        $this-&gt;inputFile = $inputFile;        $this-&gt;reType = $reType;        $this-&gt;upMaxSize = $maxSize;        $this-&gt;allowFile = $upExt;        $this-&gt;upFolder = $upFolder;        $this-&gt;isReName = $isRename;        //$this-&gt;errorInt = -1;    }        public function upFile(){        $_file_arr = $_FILES[$this-&gt;inputFile];        $this-&gt;errorInt = $_file_arr['error'];        if(is_uploaded_file($_file_arr['tmp_name'])){            if($_file_arr['tmp_name']){                $this-&gt;tmpName = $_file_arr['name'];                $this-&gt;upMaxSize = $_file_arr['size'];                $this-&gt;fileType = $_file_arr['type'];                $this-&gt;tmpPath = $_file_arr['tmp_name'];                $this-&gt;fileSize = $_file_arr['size'];                if($this-&gt;upMaxSize &gt; $this-&gt;upMaxSize){                    $this-&gt;errorInt = 6    ;    //大小超出网站限制                }                                if(!$this-&gt;isAllow()){                    $this-&gt;errorInt = 8    ;    //系统不允许此类型文件                }                                if($this-&gt;isReName=='y'){                    $this-&gt;savePath = $this-&gt;upFolder.$this-&gt;getFolder().'/'.$this-&gt;getNewName() ;                    $this-&gt;endFileName = $this-&gt;getNewName();                }else{                    $this-&gt;savePath = $this-&gt;upFolder.$this-&gt;getFolder().'/'.$this-&gt;tmpName ;                    $this-&gt;endFileName = $this-&gt;tmpName;                }                //echo $this-&gt;errorInt;                if(!$this-&gt;errorInt &gt;= 1){                    move_uploaded_file($this-&gt;tmpPath,$this-&gt;savePath);                }                            }        }    }        public function getFileUrl(){        switch($this-&gt;reType){            case 'n':                return $this-&gt;endFileName;            break;            case 'pn':                return $this-&gt;savePath;            break;            case 'js':                return "<script language='\"javascript\"' type='\"text/javascript\"'>window.parent.LoadAttach('".$this->savePath."');</script>";            break;            default:                return $this-&gt;savePath;        }    }        //获得新文件名    public function getNewName(){        return substr($this-&gt;tmpName,1,strrpos($this-&gt;tmpName,".")-1).'_'.mktime().'.'.$this-&gt;getFileExt();    }        public function upStatus(){        //echo $this-&gt;errorInt;        switch ($this-&gt;errorInt){            case 1:                return '超过了文件大小php.ini中限制大小';            break;            case 2:                return '超过了文件大小MAX_FILE_SIZE 选项指定的值';            break;            case 3:                return '文件只有部分被上传';            break;            case 4:                return '没有文件被上传';            break;            case 5:                return '上传文件大小为0';            break;            case 6:                return '大小超出网站限制';            break;            case 7:                return '网站内没有指定这种上传类型';            break;            case 8:                return '系统不允许此类型文件';            case 9:                return '创建目录失败！';            break;        }    }        private function isAllow(){        $allow = array(                0 =&gt; array('image/jpg','image/jpeg','image/png','image/pjpeg','image/gif','image/bmp','image/x-png','application/x-zip-compressed','application/octet-stream'),                1 =&gt; array('image/jpg','image/jpeg','image/png','image/pjpeg','image/gif','image/bmp','image/x-png'),                2 =&gt; array('application/x-zip-compressed','application/octet-stream'),                3 =&gt; array('','',''),                4 =&gt; array('','','')                );        if($this-&gt;allowFile &gt; count($allow)-1){            $this-&gt;errorInt = 7;    //网站内没有指定这种上传类型        }else{            if(in_array($this-&gt;fileType, $allow[$this-&gt;allowFile])){                return true;            }else{                return false;            }        }    }        public function getFileExt(){    //获得文件扩展名        return strtolower(substr($this-&gt;tmpName,strrpos($this-&gt;tmpName,".")+1));    }        private function getFolder(){    //获得并自动创建相应文件夹        if(strpos('|rar|zip|7z|iso|','|'.$this-&gt;getFileExt().'|')&gt;=0){            $_folder = 'rar';        }elseif(strpos('|gif|jpeg|jpg|png|bmp|pjpeg|psd|','|'.$this-&gt;getFileExt().'|')&gt;=0){            $_folder = 'img';        }elseif(strpos('|rm|rmvb|avi|mp4|swf|flv|wmv|','|'.$this-&gt;getFileExt().'|')&gt;=0){            $_folder = 'vide';        }elseif(strpos('|doc|txt|xls|mdb||','|'.$this-&gt;getFileExt().'|')&gt;=0){            $_folder = 'doc';        }else{            $_folder = 'other';        }        if(!file_exists($this-&gt;upFolder.$_folder)){            if(!mkdir($this-&gt;upFolder.$_folder)){                $this-&gt;errorInt = 9;    //创建目录失败            }        }        return $_folder;    }    }<div class="clear"></div>