Excel中的日期,php讀取之后,變成了類似25569這樣的數字,而不是Excel中顯示的1970-1-1字符形式,原來excel中的日期是個1900-1-1開始的數字格式,比如1900-1-1是1,1970-1-1是25569.
提供一個讀取的函數,代碼如下:
- //excel日期轉換函數
- 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" : '');//開源代碼Vevb.com
- 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;
- }
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