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<?php class Calendar { private $year; private $month; private $val; private $weeks = array (‘日‘, ‘一‘, ‘二‘, ‘三‘, ‘四‘, ‘五‘, ‘六‘ ); function __construct($options = array(), $val) { $this->year = date ( ‘Y‘ ); $this->month = date ( ‘m‘ ); $this->val = $val; $vars = get_class_vars ( get_class ( $this ) ); foreach ( $options as $key => $value ) { if (array_key_exists ( $key, $vars )) { $this->$key = $value; } } } function display() { $value .= ‘<table class="calendar">‘; $value .= $this->showChangeDate (); $value .= $this->showWeeks (); $value .= $this->showDays ( $this->year, $this->month ); $value .= ‘</table>‘; return $value; } private function showWeeks() { $value .= ‘<tr>‘; foreach ( $this->weeks as $title ) { $value .= ‘<th>‘ . $title . ‘</th>‘; } $value .= ‘</tr>‘; return $value; } private function showDays($year, $month) { $nowtime = mktime(0,0,0,$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 $count = 1;//计数 //列出上月后几天 for($i = 1 ; $i <= $weekofbeginday ; $i++) { $value .= "<td>".($daysofprevmonth-$weekofbeginday+$i)."</td>"; $count++; } //当月全部 for($i = 1 ; $i <= $daysofmonth ; $i++) { $css = ($count%7==0 || $count%7==1)?"weekday":"normalday"; if($i == $today) $css .= "today"; $value .= "<td class=‘".$css."‘>".$i."</td>"; if($count%7==0) $value .= "</tr><tr>"; $count++; } //下月前几天 for ($i = 1;$i <= 6-$weekofendday;$i++) { $value .= "<td class=‘othermonth‘>".$i."</td>"; } $value .= ‘</tr>‘; return $value; } private function showChangeDate() { $url = basename ( $_SERVER [‘PHP_SELF‘] ); $value = ‘<tr>‘; $value .= ‘<td><a href="?‘ . $this->preYearUrl ( $this->year, $this->month ) . ‘">‘ . ‘上年‘ . ‘</a></td>‘; $value .= ‘<td><a href="?‘ . $this->preMonthUrl ( $this->year, $this->month ) . ‘">‘ . ‘上月‘ . ‘</a></td>‘; $value .= ‘<td colspan="3"><form>‘; $value .= ‘<select name="year" onchange="window.location=\‘‘ . $url . ‘?year=\‘+this.options[selectedIndex].value+\‘&month=‘ . $this->month . ‘\‘">‘; for($ye = 1970; $ye <= 2038; $ye ++) { $selected = ($ye == $this->year) ? ‘selected‘ : ‘‘; $value .= ‘<option ‘ . $selected . ‘ value="‘ . $ye . ‘">‘ . $ye . ‘</option>‘; } $value .= ‘</select>‘; $value .= ‘<select name="month" onchange="window.location=\‘‘ . $url . ‘?year=‘ . $this->year . ‘&month=\‘+this.options[selectedIndex].value+\‘\‘">‘; for($mo = 1; $mo <= 12; $mo ++) { $selected = ($mo == $this->month) ? ‘selected‘ : ‘‘; $value .= ‘<option ‘ . $selected . ‘ value="‘ . $mo . ‘">‘ . $mo . ‘</option>‘; } $value .= ‘</select>‘; $value .= ‘</form></td>‘; $value .= ‘<td><a href="?‘ . $this->nextMonthUrl ( $this->year, $this->month ) . ‘">‘ . ‘下月‘ . ‘</a></td>‘; $value .= ‘<td><a href="?‘ . $this->nextYearUrl ( $this->year, $this->month ) . ‘">‘ . ‘下年‘ . ‘</a></td>‘; $value .= ‘</tr>‘; return $value; } private function preYearUrl($year, $month) { $year = ($this->year <= 1970) ? 1970 : $year - 1; return ‘year=‘ . $year . ‘&month=‘ . $month; } private function nextYearUrl($year, $month) { $year = ($year >= 2038) ? 2038 : $year + 1; return ‘year=‘ . $year . ‘&month=‘ . $month; } private function preMonthUrl($year, $month) { if ($month == 1) { $month = 12; $year = ($year <= 1970) ? 1970 : $year - 1; } else { $month --; } return ‘year=‘ . $year . ‘&month=‘ . $month; } private function nextMonthUrl($year, $month) { if ($month == 12) { $month = 1; $year = ($year >= 2038) ? 2038 : $year + 1; } else { $month ++; } return ‘year=‘ . $year . ‘&month=‘ . $month; } }
<?php //获取日历 $year = date ( "Y" ); $month = date ( "m" ); $params = array (‘year‘ => $year, ‘month‘ => $month ); if (isset ( $_GET [‘year‘] ) && isset ( $_GET [‘month‘] )) { $params = array (‘year‘ => $_GET [‘year‘], ‘month‘ => $_GET [‘month‘] ); $year = $_GET [‘year‘]; $month = $_GET [‘month‘]; } $cal = new Calendar ( $params, $list_sign ); echo $cal->display (); ?>
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原文地址:http://my.oschina.net/yonghan/blog/510130