当前路径:vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/RowIterator.php <?php namespace PhpOffice\PhpSpreadsheet\Worksheet; use Iterator; use PhpOffice\PhpSpreadsheet\Exception as PhpSpreadsheetException; class RowIterator implements Iterator { /** * Worksheet to iterate. * * @var Worksheet */ private $subject; /** * Current iterator position. * * @var int */ private $position = 1; /** * Start position. * * @var int */ private $startRow = 1; /** * End position. * * @var int */ private $endRow = 1; /** * Create a new row iterator. * * @param Worksheet $subject The worksheet to iterate over * @param int $startRow The row number at which to start iterating * @param int $endRow Optionally, the row number at which to stop iterating */ public function __construct(Worksheet $subject, $startRow = 1, $endRow = null) { // Set subject $this->subject = $subject; $this->resetEnd($endRow); $this->resetStart($startRow); } /** * Destructor. */ public function __destruct() { $this->subject = null; } /** * (Re)Set the start row and the current row pointer. * * @param int $startRow The row number at which to start iterating * * @return $this */ public function resetStart($startRow = 1) { if ($startRow > $this->subject->getHighestRow()) { throw new PhpSpreadsheetException("Start row ({$startRow}) is beyond highest row ({$this->subject->getHighestRow()})"); } $this->startRow = $startRow; if ($this->endRow < $this->startRow) { $this->endRow = $this->startRow; } $this->seek($startRow); return $this; } /** * (Re)Set the end row. * * @param int $endRow The row number at which to stop iterating * * @return $this */ public function resetEnd($endRow = null) { $this->endRow = ($endRow) ? $endRow : $this->subject->getHighestRow(); return $this; } /** * Set the row pointer to the selected row. * * @param int $row The row number to set the current pointer at * * @return $this */ public function seek($row = 1) { if (($row < $this->startRow) || ($row > $this->endRow)) { throw new PhpSpreadsheetException("Row $row is out of range ({$this->startRow} - {$this->endRow})"); } $this->position = $row; return $this; } /** * Rewind the iterator to the starting row. */ public function rewind(): void { $this->position = $this->startRow; } /** * Return the current row in this worksheet. * * @return Row */ public function current() { return new Row($this->subject, $this->position); } /** * Return the current iterator key. * * @return int */ public function key() { return $this->position; } /** * Set the iterator to its next value. */ public function next(): void { ++$this->position; } /** * Set the iterator to its previous value. */ public function prev(): void { --$this->position; } /** * Indicate if more rows exist in the worksheet range of rows that we're iterating. * * @return bool */ public function valid() { return $this->position <= $this->endRow && $this->position >= $this->startRow; } }
相关源码
- 可旋转的彩色立方体C#源代码2021-10-29
- 在线考试系统2021-10-15
- EduSoho开源网校系统源码2019-06-27
- 仿拼多多小程序商城源码2019-06-06
- PHP5网站运行监测系统源码2017-04-14
关于我们 | 顾问团队 | 发展历程 | 联系我们 | 源码上传
联系电话(Tel):4008-010-151(免长途)
地址:北京市海淀区大恒科技大厦五层 邮编:100080
Floor 5th,Daheng Building,Zhongguancun,Beijing,China,100080
51Aspx.com 版权所有 CopyRight © 2006-2022. 京ICP备09089570号 | 京公网安备11010702000869号
联系电话(Tel):4008-010-151(免长途)
地址:北京市海淀区大恒科技大厦五层 邮编:100080
Floor 5th,Daheng Building,Zhongguancun,Beijing,China,100080
51Aspx.com 版权所有 CopyRight © 2006-2022. 京ICP备09089570号 | 京公网安备11010702000869号