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日历

2015-07-23 13:51 405 查看

<?php
/**
* php日历代码
*/
date_default_timezone_set('PRC');
function calendar(){
if(isset($_GET['ym']) && $_GET['ym']){
$year = substr($_GET['ym'],0,4);
$month = substr($_GET['ym'],4,(strlen($_GET['ym'])-4));

if($month>12){
$year += floor($month/12);
$month = $month % 12;
}
if($year > 2030) $year = 2030;
if($year < 1980) $year = 1980;
}

$year = isset($year) ? $year : date('Y');
$month = isset($month) ? $month : date('n');

if($year==date('Y') && $month==date('n')) $today = date('j');

if($month-1 == 0)
$prevmonth = ($year - 1)."12";
else $prevmonth = $year.($month - 1);

if($month+1 == 13)
$nextmonth = ($year+1)."1";
else $nextmonth = $year.($month+1);

$prevyear = ($year - 1).$month;
$nextyear = ($year + 1).$month;
echo '<table width="400" border="0" cellpadding="2" cellspacing="2">
<tr>
<td ><a href="?ym='.$prevyear.'"><<</a></td>
<td ><a href="?ym='.$prevmonth.'"><</a></td>
<td colspan="3" >'.$year.' - '.$month.'</td>
<td ><a href="?ym='.$nextmonth.'">></a></td>
<td ><a href="?ym='.$nextyear.'">>></a></td>
</tr>
<tr>
<td width="27" >日</td>
<td width="27" >一</td>
<td width="27" >二</td>
<td width="27" >三</td>
<td width="27" >四</td>
<td width="27" >五</td>
<td width="27" >六</td>
</tr>';

$nowtime = mktime(0,0,0,$month,1,$year);                    //当月１号转为秒
$daysofmonth = date('t',$nowtime);                            //当月天数
$weekofbeginday = date('w',$nowtime);                        //当月第一天是星期几
$weekofendday = date('w',mktime(0,0,0,$month+1,0,$year));    //当月最后一天是星期几
$daysofprevmonth = date('t',mktime(0,0,0,$month,0,$year));    //上个月天数
$count = 1;//计数
// echo $weekofbeginday;
//列出上月后几天
if($weekofbeginday>0){
for($i = 1 ; $i <= $weekofbeginday ; $i++){
echo "<td style='background:#ccc'>".($daysofprevmonth-$weekofbeginday+$i)."</td>";
$count++;
}
}else{
for($i = ($daysofprevmonth-7 -$weekofbeginday)+1 ; $i <= $daysofprevmonth; $i++){
echo "<td style='background:#ccc'>".$i."</td>";
if($count%7==0) echo "</tr><tr>";
$count++;
}
}

//当月全部
for($i = 1 ; $i <= $daysofmonth ; $i++)
{
$css = ($count%7==0 || $count%7==1)?"weekday":"normalday";
if($i == @$today) $css .= "today";
if(date('d')==$i && date('m')==$month){
echo "<td style='background:red'>".$i."</td>";
}else{
echo "<td>".$i."</td>";
}
if($count%7==0) echo "</tr><tr>";
$count++;
}
//下月前几天
$l = (43-$count);
// for ($i = 1;$i <= 6-$weekofendday;$i++){
for ($i = 1;$i <= $l;$i++){
if($count>42){
break;
}

echo "<td {$css} style='background:#ccc'>".$i."</td>";
if($count%7==0) echo "</tr><tr>";
$count++;
}
echo '<td colspan="7"><a href="?y='.date('Y').'&m='.date('m').'&d='.date('d').'">今日</a></td></tr> </table>';
}
?>

HTML

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>calendar</title>
<style type="text/css">
<!-- /* table细线表格 */
table {
border-collapse:collapse;     /* 关键属性：合并表格内外边框(其实表格边框有2px，外面1px，里面还有1px哦) */
border:solid #999;             /* 设置边框属性；样式(solid=实线)、颜色(#999=灰) */
border-width:1px 0 0 1px;     /* 设置边框状粗细：上 右 下 左 = 对应：1px 0 0 1px */
}
table th,table td {border:solid #999;border-width:0 1px 1px 0;padding:2px;}
table td {text-align:center;}
-->
</style>
</head>
<body>
<?php calendar();?>
</body>
</html>

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