使用PHPExcel导出Excel表

/**   * Excel导出   * @param $fileName（文件名）   * @param $headArr （表头）   * @param $data  （每一行的数据）   * @throws /PHPExcel_Exception   * @throws /PHPExcel_Reader_Exception   */  function getExcel($fileName,$headArr,$data){    include_once (THINK_PATH."Library/Vendor/phpexcel/PHPExcel.php");    include_once (THINK_PATH."Library/Vendor/phpexcel/PHPExcel/Writer/Excel2007.php");    include_once (THINK_PATH."Library/Vendor/phpexcel/PHPExcel/Writer/Excel5.php");    include_once (THINK_PATH."Library/Vendor/phpexcel/PHPExcel/IOFactory.php");    if(empty($data) || !is_array($data)){      die("data must be a array");    }    if(empty($fileName)){      exit;    }    $date = date("Y_m_d",time());    $fileName .= "_{$date}.xlsx";     //创建新的PHPExcel对象    $objPHPExcel = new /PHPExcel();    $objProps = $objPHPExcel->getProperties();     //设置表头    $key = ord("A");    $key2 = ord("A");    $colum2 = '';    $objActSheet = $objPHPExcel->getActiveSheet();    $objPHPExcel->getActiveSheet()->getColumnDimension('A')->setWidth(25);    foreach($headArr as $v){      $colum = chr($key);      $objPHPExcel->setActiveSheetIndex(0) ->setCellValue($colum2.$colum.'1', $v);      if($key < 90){        $key += 1;      }else{        $key = ord("A");        $colum2 = chr($key2);        $key2++;      }    }    //exit;    $column = 2;     foreach($data as $key => $rows){ //行写入      $span = ord("A");      $span2 = ord("A");      $j2 = '';      foreach($rows as $keyName=>$value){// 列写入        $j = chr($span);        //$objActSheet->setCellValue($j.$column, $value);        //把每个单元格设置成分文本类型        //dump($j2.$j.$column);        $objActSheet->setCellValueExplicit($j2.$j.$column,$value,/PHPExcel_Cell_DataType::TYPE_STRING);         if($span < 90){          $span += 1;        }else{          $span = ord("A");          $j2 = chr($span2);          $span2++;        }      }      $column++;    }    // exit;    $fileName = iconv("utf-8", "gb2312", $fileName);    //重命名表    $objPHPExcel->getActiveSheet()->setTitle('Simple');    //设置活动单指数到第一个表,所以Excel打开这是第一个表    $objPHPExcel->setActiveSheetIndex(0);    //将输出重定向到一个客户端web浏览器(Excel2007)    header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');    header("Content-Disposition: attachment; filename=/"$fileName/"");    header('Cache-Control: max-age=0');    $objWriter = /PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');//    if(!empty($_GET['excel'])){//      $objWriter->save('php://output'); //文件通过浏览器下载//    }else{//      $objWriter->save($fileName); //脚本方式运行，保存在当前目录//    }    $objWriter->save('php://output');    exit;   }