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$file_path = 'test.xls';
$excel5_reader = new PHPExcel_Reader_Excel5();
$excel5_reader->_defaultEncoding = $encoding;
$excel2007_reader = new PHPExcel_Reader_Excel2007();
$excel2007_reader->_defaultEncoding = $encoding;
$reader = null;

if($excel5_reader->canRead($file_path)) {
	$reader = $excel5_reader;
} elseif($excel2007_reader->canRead($file_path))  {
	$reader = $excel2007_reader;
} else {
	return array();
}

$table_object = $reader->load($file_path);
$all_sheets = $table_object->getAllSheets();
$i = 0;
foreach ($all_sheets as $key => $sheet_obj) {
    $sheet_title = $sheet_obj->getTitle();
	$row_iterator = $sheet_obj->getRowIterator();
	foreach ($row_iterator as $k1 => $row_obj) {
	    $cell_iterator = $row_obj->getCellIterator();
	}
}

$style_object = $cell_obj->getStyle();
$style = [];//css±ê×¼Ñùʽ

$fill_object = $style_object->getFill();
$font_object = $style_object->getFont();
$borders_object = $style_object->getBorders();
$alignment_object = $style_object->getAlignment();

$fill_type = $fill_object->getFillType();

if (PHPExcel_Style_Fill::FILL_SOLID === $fill_type) {
	$color = $fill_object->getStartColor()->getRGB();
	$style['background-color'] = '#'. $color;
}

$top_border_style = $borders_object->getTop()->getBorderStyle();
$top_border_color = $borders_object->getTop()->getColor()->getRGB();
$top_border_style = $this->_trick_excel_border_style($top_border_style);
if (PHPExcel_Style_Border::BORDER_NONE !== $top_border_style) {
	$style['border-top'] = '1px '. $top_border_style . ' #' . $top_border_color;
}

$left_border_style = $borders_object->getLeft()->getBorderStyle();
$left_border_color = $borders_object->getLeft()->getColor()->getRGB();
$left_border_style = $this->_trick_excel_border_style($left_border_style);
if (PHPExcel_Style_Border::BORDER_NONE !== $left_border_style) {
	$style['border-left'] = '1px '. $left_border_style . ' #' . $left_border_color;
}

$bottom_border_style = $borders_object->getBottom()->getBorderStyle();
$bottom_border_color = $borders_object->getBottom()->getColor()->getRGB();
$bottom_border_style = $this->_trick_excel_border_style($bottom_border_style);
if (PHPExcel_Style_Border::BORDER_NONE !== $bottom_border_style) {
	$style['border-bottom'] = '1px '. $bottom_border_style . ' #' . $bottom_border_color;
}

$right_border_style = $borders_object->getRight()->getBorderStyle();
$right_border_color = $borders_object->getRight()->getColor()->getRGB();
$right_border_style = $this->_trick_excel_border_style($right_border_style);
if (PHPExcel_Style_Border::BORDER_NONE !== $right_border_style) {
	$style['border-right'] = '1px '. $right_border_style . ' #' . $right_border_color;
}

$font_size = $font_object->getSize();
if (isset($font_size) && $font_size > 11) {
	$style['font-size'] = $font_size . 'px';
}
$font_color = $font_object->getColor()->getRGB();
if (isset($font_color) && $font_color != '000000') {
	$style['color'] = '#' . $font_color;
}

$font_bold = $font_object->getBold();
if ($font_bold) {
	$style['font-weight'] = 'bold';
}
$font_italic = $font_object->getItalic();
if ($font_italic) {
	$style['font-style'] = "italic";
}
$font_underline = $font_object->getUnderline();
if ($font_underline && $font_underline != PHPExcel_Style_Font::UNDERLINE_NONE) {
	$style['text-decoration'] = "underline";			
}
$font_strikethrough = $font_object->getStrikethrough();
if ($font_strikethrough) {
	$style['text-decoration'] = "line-through";
}

$horizontal = $alignment_object->getHorizontal();
if ($horizontal != 'general') {
	$style['text-align'] = $horizontal;
}

$vertical = $alignment_object->getVertical();
if ($vertical != 'bottom') {
	$style['vertical-align'] = $vertical;
}

$cell_obj->getCalculatedValue();//»á´¦Àí¹«Ê½ºÍ¸»Îı¾µÄÖµ string
$cell_obj->getValue();//²»´¦Àí¹«Ê½ºÍ¸»Îı¾µÄÖµ£¬´æÔÚ¶àÖÖÀàÐÍ

$value = $cell_obj->getCalculatedValue();
$url = $cell_obj->getHyperlink()->getUrl();
$link = '<a href="'.$url.'" target="_blank">' . $value . '</a>';

if (!$cell_obj->isFormula()) {
	return null;
}
$value = $cell_obj->getValue();//A1:E1
preg_match('/([a-zA-Z]+)\(([a-zA-Z]+)(\d+)\:([a-zA-Z]+)(\d+)\)/', $value, $ranges); // »ñµÃranges·¶Î§
if (empty($ranges[1])) {
	return null;
}

$merges = $sheet_obj->getMergeCells();

if (empty($merges)) {
	return null;
}

$merge_info = [];
foreach ($merges as $k => $merge) { //A1:E1
	preg_match('/([a-zA-Z]+)(\d+)\:([a-zA-Z]+)(\d+)/i', $merge, $ranges); //»ñµÃrange·¶Î§ 
	//todo something
}

//Ðиß
$row_iteratior = $sheet_obj->getRowIterator();
$row_hights = [];//ʵ¼ÊÐиßÖµ

$i= 0;
foreach ($row_iteratior as $k => $row) {
	$row_height = (int)($sheet_obj->getRowDimension($k)->getRowHeight());

	$row_hights[$i] = $row_height;
	$i++;
}
//Áпí
$col_iteratior = $sheet_obj->getColumnIterator();
$col_widths = [];//ʵ¼ÊÁпíÖµ

$i= 0;
foreach ($col_iteratior as $k => $col) {
	$col_width = (int)($sheet_obj->getColumnDimension($k)->getWidth())*7;
	$col_widths[$i] = $col_width;
	$i++;
}

private function _get_sheet_col_key($label) {

	$col_key_map = [];
	$abc = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
	for ($i=0; $i < 600; $i++) {
		$a = (int)($i / 26);
		$b = $i % 26;
		$column_label = '';
		if ($a == 0) {
			$column_label = $column_label . substr($abc, $b, 1);
		} else {
			$a = $a -1;
			$column_label = substr($abc, $a, 1) . substr($abc, $b, 1); 
		}
		$col_key_map[$column_label] = $i; 
	}
	return $col_key_map[$label];
}