<?PHP
$week = date("W");
$year = (isset($_GET['year']))?$_GET['year']:date("Y");
$week = (isset($_GET['week']))?$_GET['week']:Date('W');
if($week>53){
$year+= 1;
$week=1;
}
?>
<a href="<?PHP echo $_SERVER['PHP_SELF'].'?week='.($week+1).'&year='.$year; ?>">Next Week</a> <!--Next week-->
<a href="<?PHP echo $_SERVER['PHP_SELF'].'?week='.($week-1).'&year='.$year; ?>">Pre Week</a> <!--PrevIoUs week-->
<table border="1px">
<tr>
<td>Employee</td>
<?PHP
for($day=1; $day<=7; $day++)
{
$d = strtotime($year."W".$week.$day);
echo "<td>".date('l',$d )."<br>";
echo date('d M',$d)."</td>";
}
?>
</tr>
当我试图去下周它工作正常.但是,当这一年正在发生变化时,它将在明年不起作用.
解决方法:
将周计算保留为DateTime::setIsoDate()方法.
这是针对您的问题的最简单和最佳解决方案:
<?PHP
$dt = new DateTime;
if (isset($_GET['year']) && isset($_GET['week'])) {
$dt->setISODate($_GET['year'], $_GET['week']);
} else {
$dt->setISODate($dt->format('o'), $dt->format('W'));
}
$year = $dt->format('o');
$week = $dt->format('W');
?>
<a href="<?PHP echo $_SERVER['PHP_SELF'].'?week='.($week-1).'&year='.$year; ?>">Pre Week</a> <!--PrevIoUs week-->
<a href="<?PHP echo $_SERVER['PHP_SELF'].'?week='.($week+1).'&year='.$year; ?>">Next Week</a> <!--Next week-->
<table>
<tr>
<td>Employee</td>
<?PHP
do {
echo "<td>" . $dt->format('l') . "<br>" . $dt->format('d M Y') . "</td>\n";
$dt->modify('+1 day');
} while ($week == $dt->format('W'));
?>
</tr>
</table>
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