<?php
namespace cutExcel;

use PhpOffice\PhpSpreadsheet\Reader\IReadFilter;
/**
 * 解析过滤类
 */
class MyreadFilter implements IReadFilter
{
    private $startRow = 0;
    private $endRow   = 0;

    public function __construct($startRow, $endRow) {
        $this->startRow = $startRow;
        $this->endRow   = $endRow;
    }

    public function readCell($column, $row, $worksheetName = '') 
    {
        if ($row >= $this->startRow && $row <= $this->endRow) {
            return true;
        }
        return false;
    }

    // 标准示例 调用 new MyReadFilter(9,15,range('G','K'));
    /* private $startRow = 0;
    private $endRow   = 0;
    private $columns  = [];

    public function __construct($startRow, $endRow, $columns) {
        $this->startRow = $startRow;
        $this->endRow   = $endRow;
        $this->columns  = $columns;
    }

    public function readCell($column, $row, $worksheetName = '') {
        //  Only read the rows and columns that were configured
        if ($row >= $this->startRow && $row <= $this->endRow) {
            if (in_array($column,$this->columns)) {
                return true;
            }
        }
        return false;
    } */
}