PHP导出Excel超过26列解决办法
namespace App\Libraries\Excel;
use PhpOffice\PhpSpreadsheet\Cell\DataType;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
class Export
{
protected $data_type;
protected $spread_sheet;
protected $x_lsx;
public function __construct(DataType$data_type, Spreadsheet$spread_sheet, Xlsx$x_lsx)
{
$this->data_type= $data_type;
$this->spread_sheet= $spread_sheet;
$this->x_lsx= $x_lsx;
}
/**
* @ description 文件导出
* @ date 2019-05-06
* @ array $field_name 字段名称 汉字(索引数组) ['产品','姓名']
* @ array $data 数据 ['a' => data, 'b' => data]
* @ array $field_column 数据中的下标名称 字段数据 (索引数组) ['a','b']
* @ string $file_name 文件名称
* @ array $arr 需要转换为数字的$field_column中的key(索引数组)
* @ return file
*/
public function export($field_name,$data,$field_column,$file_name,$field_numeric_keys= [])
{
@ob_clean();
if (empty($field_name)|| empty($field_column)|| empty($data)|| empty($file_name))return false;
$sheet= $this->spread_sheet->getActiveSheet();
//设置header
$i= 0;
foreach ($field_name as $value) {
$cellName= self::stringFromColumnIndex($i). "1";
$sheet->setCellValue($cellName, $value)->calculateColumnWidths();
$sheet->getColumnDimension(self::stringFromColumnIndex($i))->setWidth(15);
$i++;
}
//设置value
$len= count($field_column);
foreach ($data as $key=> $item) {
$row= 2 + ($key* 1);
for ($i= 0; $i< $len; $i++) {
$sheet->setCellValueExplicit(self::stringFromColumnIndex($i). $row, $item[$field_column[$i]]??"", DataType::TYPE_STRING);
if (isset($item[$field_column[$i]])&& !empty($field_numeric_keys)&& in_array($field_column[$i],$field_numeric_keys)) {
$sheet->setCellValueExplicit(self::stringFromColumnIndex($i). $row, $item[$field_column[$i]]??"", DataType::TYPE_NUMERIC);
}
}
}
$writer= new Xlsx($this->spread_sheet);
header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');//告诉浏览器输出07Excel文件
header('Content-Disposition: attachment;filename="' . $file_name . '.xlsx"');//告诉浏览器输出浏览器名称
header('Cache-Control: max-age=0');
$writer->save('php://output');
@ob_flush();
@flush();
exit;
}
/**
* @ description excel导出突破只能26个字段
* @ date 2019-05-07
* @ return string 字段
*/
public static function stringFromColumnIndex($pColumnIndex = 0)
{
static $_indexCache= array();
if (!isset($_indexCache[$pColumnIndex])) {
if ($pColumnIndex < 26) {
$_indexCache[$pColumnIndex]= chr(65 + $pColumnIndex);
}elseif ($pColumnIndex < 702) {
$_indexCache[$pColumnIndex]= chr(64 + ($pColumnIndex / 26)). chr(65 + $pColumnIndex % 26);
}else {
$_indexCache[$pColumnIndex]= chr(64 + (($pColumnIndex - 26)/ 676)). chr(65 + ((($pColumnIndex - 26)% 676)/ 26)). chr(65 + $pColumnIndex % 26);
}
}
return $_indexCache[$pColumnIndex];
}
}
