PHP日历

<?php
class Calendar
{
var $T = array();
var $MonthDays = array('1'=>'31','2'=>'28','3'=>'31','4'=>'30','5'=>'31','6'=>'30','7'=>'31','8'=>'31','9'=>'30','10'=>'31','11'=>'30','12'=>'31');
var $Week=array('0'=>'日','1'=>'一','2'=>'二','3'=>'三','4'=>'四','5'=>'五','6'=>'六');
var $Y,$M,$D;
function __construct()
{
date_default_timezone_set ('prc');
$this->Y=isset($_GET['year']) ? $_GET['year'] : date("Y");
$this->M=isset($_GET['month']) ? $_GET['month'] : date("m");

/* $this->Y=date('Y');
$this->M=date('m');
*/ $this->D=date('j');
}
function SetTime($Y,$M,$D)
{
$this->Y=$Y;
$this->M=$M;
$this->D=$D;
}
function IsLeapYear()
{
return ($this->Y%400==0 || ($this->Y%4==0 && $this->Y%100<>0)) ? 1 : 0;
}

function GetMouFirDayWeek()
{
$time = mktime(0,0,0,$this->M,1,$this->Y);
$time = getdate($time);
return $time['wday'];
}
function ShowCalendar()
{
$IsLeapY = $this->IsLeapYear();
$this->datesOFmonth[2] = $IsLeapY==1 ? 29: 28;
?>
<style type="text/css">
.calendartb
{
border-collapse: collapse;
border-spacing: 0px;
empty-cells: show;
font-family: microsoft yahei;
}
td
{
font-size: 12px;
text-align: center;
padding:2px 5px 2px 6px;
}
.calendartb a
{
text-decoration: none;
}
.calendartb a:hover
{
color:rgb(255,0,0);
}
</style>
<meta charset="utf-8">
<div style="border:1px solid rgb(0,0,0);180px">
<table class="calendartb "style="180px;border-bottom:1px solid rgb(0,0,0);">
<tr>
<td>
<a href="<?php echo $this->PreYear($this->Y,$this->M);?>"><<</a>
</td>
<td>
<a href="<?php echo $this->PreMouth($this->Y,$this->M);?>"><</a>
</td>
<td>
<a href="?"style="color:rgb(0,0,0);"><?php echo $this->Y."年".$this->M."月";?></a>
</td>
<td>
<a href="<?php echo $this->NexMouth($this->Y,$this->M);?>">></a>
</td>
<td>
<a href="<?php echo $this->NexYear($this->Y,$this->M);?>">>></a>
</td>
</tr>
</table>
<table class="calendartb ">
<tr>
<td>日</td>
<td>一</td>
<td>二</td>
<td>三</td>
<td>四</td>
<td>五</td>
<td>六</td>
</tr>
<tr>
<?php
for ($s=0;$s<$this->GetMouFirDayWeek();$s++)
echo '<td></td>';
for ($i=1;$i<=$this->MonthDays[$this->M];$i++)
{
if (($i+$s)%7==1)
echo '</tr><tr>';
if ($i==$this->D)
echo "<td style="color:rgb(255,0,0);font-weight:bold;">$i</td>";
else
echo "<td>$i</td>";
}
?>
</tr>
</table>
</div>
<?php
}

private function PreMouth($thisY,$thisM)
{
if ($thisM==1)
{
$thisY=$thisY-1;
$thisM=12;
}
else
{
$thisM=$thisM-1;
}
return '?year='.$thisY.'&month='.$thisM;
}
private function NexMouth($thisY,$thisM)
{
if ($thisM==12)
{
$thisY=$thisY+1;
$thisM=1;
}
else
{
$thisM=$thisM+1;
}
return '?year='.$thisY.'&month='.$thisM;
}
private function PreYear($thisY,$thisM)
{
$thisY=$thisY-1;
return '?year='.$thisY.'&month='.$thisM;
}
private function NexYear($thisY,$thisM)
{
$thisY=$thisY+1;
return '?year='.$thisY.'&month='.$thisM;
}
}

/*$obj=new Calendar;
$obj->ShowCalendar();*/
?>