<?php
/**
*
* 我的日历(DateTime版本)
* date_default_timezone_set date mktime
* @param int $year
* @param int $month
* @param string $timezone
* @author fc_lamp
* @blog: fc-lamp.blog.163.com
*/
function myCalender($year = '', $month = '', $timezone = 'Asia/Shanghai')
{
date_default_timezone_set ( $timezone );
$year = abs ( intval ( $year ) );
$month = abs ( intval ( $month ) );
$nowDate = new DateTime();
if ($year <= 0)
{
$year = $nowDate->format( 'Y' );
}
if ($month <= 0 or $month > 12)
{
$month = $nowDate->format('m' );
}
//上一年
$pretYear = $year - 1;
//上一月
$mpYear = $year;
$preMonth = $month - 1;
if ($preMonth <= 0)
{
$preMonth = 1;
$mpYear = $pretYear;
}
//下一年
$nextYear = $year + 1;
//下一月
$mnYear = $year;
$nextMonth = $month + 1;
if ($nextMonth > 12)
{
$nextMonth = 1;
$mnYear = $nextYear;
}
//日历头
$html = <<<HTML
<table>
<tr>
<td><a href="https://www.jb51.net/?y=$pretYear">上一年</a></td>
<td><a href="https://www.jb51.net/?y=$mpYear&m=$preMonth">上一月</a></td>
<td><a href="https://www.jb51.net/article/?">回到今天</a></td>
<td><a href="https://www.jb51.net/?y=$mnYear&m=$nextMonth">下一月</a></td>
<td><a href="https://www.jb51.net/?y=$nextYear">下一年</a></td>
</tr>
<tr>
<td colspan="5">{$year}年{$month}月</td>
</tr>
<tr>
<td colspan="5">
<table>
<tr>
<td>星期一</td>
<td>星期二</td>
<td>星期三</td>
<td>星期四</td>
<td>星期五</td>
<td>星期六</td>
<td>星期天</td>
</tr>
HTML;
$currentDay = $nowDate->format('Y-m-j' );
//当月最后一天
$creatDate = new DateTime("$year-$nextMonth-0");
$lastday = $creatDate->format('j');
$creatDate = NULL;
//循环输出天数
$day = 1;
$line = '';
while ( $day <= $lastday )
{
$cday = $year . '-' . $month . '-' . $day;
//当前星期几
$creatDate = new DateTime("$year-$month-$day");
$nowWeek = $creatDate->format('N');
$creatDate = NULL;
if ($day == 1)
{
$line = '<tr>';
$line .= str_repeat ( '<td> </td>', $nowWeek - 1 );
}
if ($cday == $currentDay)
{
$style = 'style="color:red;"';
} else
{
$style = '';
}
$line .= "<td $style>$day</td>";
//一周结束
if ($nowWeek == 7)
{
$line .= '</tr>';
$html .= $line;
$line = '<tr>';
}
//全月结束
if ($day == $lastday)
{
if ($nowWeek != 7)
{
$line .= str_repeat ( '<td> </td>', 7 - $nowWeek );
}
$line .= '</tr>';
$html .= $line;
break;
}
$day ++;
}
$html .= <<<HTML
</table>
</td>
</tr>
</table>
HTML;
return $html;
}
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