XlsxParser.php
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<?php
/**
* Created by PhpStorm.
* User: Tsurkanov
* Date: 21.10.2015
* Time: 15:44
*/
namespace yii\multiparser;
use common\components\CustomVarDamp;
/**
* Class XlsxParser
* @package yii\multiparser
*/
class XlsxParser extends TableParser {
/**
* @var string - путь куда будут распаковываться файлы, если не указанно - во временный каталог сервера
*/
public $path_for_extract_files = '';
/**
* @var int - если указано то считывание будет производиться с этого листа, иначе со всех листов
* при чтении со всех листов - выходной массив будет иметь номера листов первыми элементами
*/
public $active_sheet = 0;
protected $strings_arr = [];
protected $sheets_arr = [];
protected $current_node;
protected $current_sheet;
public function setup()
{
parent::setup();
if ( $this->path_for_extract_files == '' ) {
$this->path_for_extract_files = sys_get_temp_dir();
}
}
public function read()
{
// $this->extractFiles();
$this->readSheets();
$this->readStrings();
foreach ( $this->sheets_arr as $sheet ) {
//проходим по всем файлам из директории /xl/worksheets/
$sheet_path = $this->path_for_extract_files . '/xl/worksheets/' . $sheet . '.xml';
if ( file_exists( $sheet_path ) && is_readable( $sheet_path ) ) {
$xml = simplexml_load_file( $sheet_path, "SimpleXMLIterator" );
$this->current_node = $xml->sheetData->row;
$this->current_node->rewind();
parent::read();
}
}
CustomVarDamp::dumpAndDie($this->$result);
// return $this->$result_arr;
}
protected function extractFiles ()
{
$zip = new \ZipArchive;
if ( $zip->open( $this->file->getPathname() ) === TRUE ) {
$zip->extractTo( $this->path_for_extract_files );
$zip->close();
} else {
throw new \Exception( 'Ошибка чтения xlsx файла' );
}
}
protected function readSheets ()
{
if ( $this->active_sheet ) {
$this->sheets_arr[ $this->active_sheet ] = 'Sheet' . $this->active_sheet;
return;
}
$xml = simplexml_load_file( $this->path_for_extract_files . '/xl/workbook.xml' );
foreach ( $xml->sheets->children() as $sheet ) {
$sheet_name = '';
$sheet_id = 0;
$attr = $sheet->attributes();
foreach ( $attr as $name => $value ) {
if ($name == 'name')
$sheet_name = (string)$value;
if ($name == 'sheetId')
$sheet_id = $value;
}
if ( $sheet_name && $sheet_id ) {
$this->sheets_arr[$sheet_name] = 'Sheet' . $sheet_id;
}
//
}
}
protected function readStrings ()
{
$xml = simplexml_load_file( $this->path_for_extract_files . '/xl/sharedStrings.xml' );
foreach ( $xml->children() as $item ) {
$this->strings_arr[] = (string)$item->t;
}
}
// protected function readRow ( $item, $sheet , $current_row )
protected function readRow ( )
{
$node = $this->current_node->getChildren();
foreach ( $node as $child ) {
$attr = $child->attributes();
if( isset($child->v) ) {
$value = (string)$child->v;
}else{
$value = '';
}
if ( isset( $attr['t'] ) ) {
// $this->result_arr[$sheet][$current_row][$cell] = $this->strings_arr[ $value ];
$this->row[] = $this->strings_arr[ $value ];
}else{
// $this->result_arr[$sheet][$current_row][$cell] = $value;
$this->row[] = $value;
}
}
$this->current_node->next();
CustomVarDamp::dump($this->row);
}
protected function isEmptyRow(){
$is_empty = false;
if ( !count( $this->row ) || !$this->current_node->valid() ) {
return true;
}
$j = 0;
for ($i = 1; $i <= count( $this->row ); $i++) {
if ( $this->isEmptyColumn( $this->row[$i - 1] ) ) {
$j++;
}
if ( $j >= $this->min_column_quantity ) {
$is_empty = true;
break;
}
}
return $is_empty;
}
protected function isEmptyColumn( $val ){
return $val == '';
}
}