PhpSpreadsheetはすべてのセルの境界線を設定します

PhpOffice \ PhpSpreadsheet \ Reader \ Xlsx; use PhpOffice \ PhpSpreadsheet \ Reader \ Xls; use PhpOffice \ PhpSpreadsheet \ IOFactory; use PhpOffice \ PhpSpreadsheet \ Cell \ Coordinate; use PhpOffice \ PhpSpreadsheet \ Spreadsheet; use PhpOffice \ PhpSpreadsheet \ Worksheet \ PageSetup; PhpOffice \ PhpSpreadsheet \ Cell \ DataTypeを使用; PhpOffice \ PhpSpreadsheet \ Style \ Fillを使用; PhpOffice \ PhpSpreadsheet \ Style \ Colorを使用; PhpOffice \ PhpSpreadsheet \ Style \ Alignmentを使用; PhpOffice \ PhpSpreadsheet \ Style \ Borderを使用; PhpOffice \ PhpSpreadsheet \を使用Style \ NumberFormat; 12345678910111213

   $ styleArray1 = [ 
            'borders' => [ 
                'allBorders' => [ 
                    'borderStyle' => \ PhpOffice \ PhpSpreadsheet \ Style \ Border :: BORDER_THIN //本边框
                ] 
            ] 
        ]; 

    $ sheet-> getStyle（ 'A1'。 '：'。 'K'。$ targetcount）-> applyFromArray（$ styleArray1）; 1234567891011