php 表格导出简单

      $arr_data=$data->toArray();

      if (empty($arr_data)){
         return back();
      }
      foreach($arr_data as $k=>$v){
         $new_arr[$k]=$v;
      }

//    print_r($new_arr);die;

      // 输出Excel文件头，可把user.csv换成你要的文件名

      $filename='用户微信提现流水'.date('Y-m-d H时i分s秒',time());
      header('Content-Type: application/vnd.ms-excel');
      header('Content-Disposition: attachment;filename="'.$filename.'.csv"');
      header('Cache-Control: max-age=0');

      // 打开PHP文件句柄，php://output 表示直接输出到浏览器
      $fp = fopen('php://output', 'a');

      // 输出Excel列名信息
      $head = array('会员名','注册手机','金额','提现时间','状态');
      foreach ($head as $i => $v) {
         // CSV的Excel支持GBK编码，一定要转换，否则乱码
         $head[$i] = iconv('utf-8', 'gbk',$v);
      }
      // 将数据通过fputcsv写到文件句柄
      fputcsv($fp, $head);
      $total_amount=0;
      foreach ($new_arr as $key => $val) {
         $total_amount+=$val['amount'];
         foreach($val as $k=>$v){
            if($k=='amount'){
               $new[$k] = iconv('utf-8', 'gbk//IGNORE',$v);
            }else{
               $new[$k] = iconv('utf-8', 'gbk//IGNORE', strval($v)."\t");
            }
         }


         fputcsv($fp, $new);
      }
      $null=array('','','','','','','','');
      //统计信息
      fputcsv($fp,$null);
      fputcsv($fp,$null);
      fputcsv($fp, array(iconv('utf-8', 'gbk', '总金额: '.$total_amount)));