PHP导出excel

/**
     * 导出当日借阅归还书刊 csv
     * by zhengjc 2010-10-18
     */
    function export() {
     $status = $_GET['status'];
     if (  $status=="1" ){
      $list = $this->bookMod->getBorrowTodayList();
      $list = $this->addBookInfo( $list );
      $list = $this->addUserInfo($list);
     }else{
      $list = $this->bookMod->getBorrowTodayList(1);
   $list = $this->addBookInfo( $list );
   $list = $this->addUserInfo($list);
     }
        $filePath = "D:/upload/contact/contact.csv"
        $file = fopen($filePath, 'w');
        $str = "";
        $arrTmp = array(
            iconv('UTF-8', 'GBK', "名称"),
            iconv('UTF-8', 'GBK', "类型"),
            iconv('UTF-8', 'GBK', "借阅者"),
            iconv('UTF-8', 'GBK', "借阅时间"),
            iconv('UTF-8', 'GBK', "归还时间")
        );
        fputcsv($file, $arrTmp);
        foreach($list as $value) {
            $arr = array(
                iconv('UTF-8', 'GBK', $value['bookname']),
                iconv('UTF-8', 'GBK',  $value['booktype']=='0'?"图书":"杂志"),
                iconv('UTF-8', 'GBK', $value['name']),
                $value['borrowdate'],
                $value['backdate']
            );
            fputcsv($file, $arr);
        }
        fclose($file);
        // IE 中文乱码解决方法
     
        $downloadName = $status=="1"?"当日借出书刊.csv":"当日归还书刊.csv";
  if(preg_match('/MSIE/',$_SERVER['HTTP_USER_AGENT'])){
   $downloadName = rawurlencode($downloadName);
  }
        header('Content-Type: text/csv');
        header('Content-Description: File Transfer');
        header('Content-Disposition: attachment; filename='.$downloadName);
        header('Content-Transfer-Encoding: binary');
        header('Expires: 0');
        header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
        header('Pragma: public');
        header('Content-Length: ' . filesize($filePath));
        readfile($filePath);
    }