ThinkPHP上传并读取csv文件数据

       $path = 'Public/sxwx/account_csv/';
       $upload = new \Think\Upload();// 实例化上传类
       $upload->maxSize = 3145728 ;// 设置附件上传大小
       $upload->exts = array('csv');// 设置附件上传类型
       $upload->rootPath = $path; // 设置附件上传（子）目录
       $upload ->autoSub = false;//不使用子目录保存
       $upload ->saveName = 'account_'.time();

       // 上传文件
       $info = $upload->uploadOne($_FILES['account']);
       if(!$info) {// 上传错误提示错误信息
           $this -> backMsg('0', '无效的文件');
       }
           //上传成功 获取上传文件信息
        $name = $info['savename'];
         $path = $path.date('Y-m-d').'/'.$name;

        $handle=fopen($path,"r");
        while($data=fgetcsv($handle,1000,",")){
            $data = eval('return '.iconv('gbk','utf-8',var_export($data,true)).';');//防止乱码
            //读取有保单号的数据
                $list[] = $data;

        }
        fclose($file);
        unset($list[0]);//去除第一行
        if (!count($list)) {
            $this -> backMsg('0','未上传有效数据');
        }