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<script>ec(2);</script>

php 文件上传代码,限制jpg文件
    /* 图片上传类 www.lost63.com原创代码 仅限JPG格式图片 */
    class uploadFile
    {
        var $inputName; //input名称
        var $fileName; //文件命名
        var $fileProperty; //文件属性
        var $fileSize=2097152; //文件大小限制,2M
        var $filePath="upload/"; //文件存储路径
        function uploadFile($inputName){
            $this->inputName=$inputName;
            $this->getName(); //取得新的名称
            $this->fileSave();
        }
        //随机名称
        private function getName(){
            $this->fileName=date("YmdHms").rand(0,9).$this->getProperty();
        }
        //文件属性,返回后辍名
        private function getProperty(){
            if($_FILES[$this->inputName]["type"]=="image/pjpeg"||$_FILES[$this->inputName]["type"]=="image/jpeg"){
                return ".jpg";
            }else{
                exit("文件格式不对");
            }
        }
        //文件存储
        private function fileSave(){
            if($_FILES[$this->inputName]["size"]>$this->fileSize){
                exit("文件太大,最大限制为".$this->fileSize."字节");
            }
            if(!file_exists($this->filePath)){
                mkdir($this->filePath); //如果文件存储目录不存在,则建立;
            }
            move_uploaded_file($_FILES[$this->inputName]["tmp_name"],
                $this->filePath.$this->fileName);
        }
    }
    if($_GET['action']=="fileSave"){
        $f=new uploadFile("file");
        echo ' 上传成功! 浏览';
    }else{
        echo '


             
             
           
';
    }
?>
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