phpExcel准确读取excel表格时间

phpExcel 正确读取excel表格时间
利用phpExcel读取excel文件，读取出来的时间列出现5位数字，并不是想要的时间(不知道为啥)，在网上搜了一个excelTime的函数可以正确转化时间
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Php代码

error_reporting(E_ALL);
date_default_timezone_set('Asia/shanghai');
/** PHPExcel_IOFactory */
require_once '../Classes/PHPExcel/IOFactory.php';
$inputFileName = '6081076641077444758.xls';
$objReader = new PHPExcel_Reader_Excel5();
$objPHPExcel = $objReader->load($inputFileName);
$sheet = $objPHPExcel->getSheet(0);
$highestRow = $sheet->getHighestRow(); // 取得总行数
$highestColumn = $sheet->getHighestColumn(); // 取得总列数
$tempArray = array();
for($j=2;$j<=$highestRow;$j++){
for($k='A';$k<=$highestColumn;$k++){
if($k=='M'||$k=='O') //M列和O列是时间
$tempArray[] = excelTime($objPHPExcel->getActiveSheet()->getCell("$k$j")->getValue());
else
$tempArray[] = $objPHPExcel->getActiveSheet()->getCell("$k$j")->getValue();
}
print_r($tempArray);
unset($tempArray);
}

function excelTime($date, $time = false) {
if(function_exists('GregorianToJD')){
if (is_numeric( $date )) {
$jd = GregorianToJD( 1, 1, 1970 );
$gregorian = JDToGregorian( $jd + intval ( $date ) - 25569 );
$date = explode( '/', $gregorian );
$date_str = str_pad( $date [2], 4, '0', STR_PAD_LEFT )
."-". str_pad( $date [0], 2, '0', STR_PAD_LEFT )
."-". str_pad( $date [1], 2, '0', STR_PAD_LEFT )
. ($time ? " 00:00:00" : '');
return $date_str;
}
}else{
$date=$date>25568?$date+1:25569;
/*There was a bug if Converting date before 1-1-1970 (tstamp 0)*/
$ofs=(70 * 365 + 17+2) * 86400;
$date = date("Y-m-d",($date * 86400) - $ofs).($time ? " 00:00:00" : '');
}
return $date;
} (fblww-0112)