前面我们讲解了
threshold方法，生成日历的各个边界值
caculate方法，计算日历的天数与样式
draw方法，画表格，设置table中的tr与td
本节我们把他们封装到一个Calendar类中，然后在前端页面引用，以后大家做其他类似项目时可以调用这个类。
这个类文件创建个名称为calendar.php。
<?php
class Calendar {
/*
* @deprecated 生成日历的各个边界值
* @param string $year
* @param string $month
* @return array
*/
function threshold($year, $month) {
$firstDay = mktime(0, 0, 0, $month, 1, $year); //mktime() 函数返回日期的 UNIX 时间戳。
$lastDay = strtotime('+1 month -1 day', $firstDay);
//取得天数
$days = date("t", $firstDay);
//取得第一天是星期几
$firstDayOfWeek = date("N", $firstDay);
//获得最后一天是星期几
$lastDayOfWeek = date('N', $lastDay);
//上一个月最后一天
$lastMonthDate = strtotime('-1 day', $firstDay); //strtotime() 函数将任何英文文本的日期或时间描述解析为 Unix 时间戳
$lastMonthOfLastDay = date('d', $lastMonthDate);
//下一个月第一天
$nextMonthDate = strtotime('+1 day', $lastDay);
$nextMonthOfFirstDay = strtotime('+1 day', $lastDay);
//日历的第一个日期
if($firstDayOfWeek == 7) {
$firstDate = $firstDay;
}else {
$firstDate = strtotime('-' . $firstDayOfWeek . ' day', $firstDay);
}
//日历的最后一个日期
if($lastDayOfWeek == 6) {
$lastDate = $lastDay;
}elseif($lastDayOfWeek == 7) {
$lastDate = strtotime('+6 day', $lastDay);
}else {
$lastDate = strtotime('+' . (6 - $lastDayOfWeek) . ' day', $lastDay);
}
return array(
'days' => $days,
'firstDayOfWeek' => $firstDayOfWeek,
'lastDayOfWeek' => $lastDayOfWeek,
'lastMonthOfLastDay' => $lastMonthOfLastDay,
'firstDate' => $firstDate,
'lastDate' => $lastDate,
'year' => $year,
'month' => $month
);
}
/*
* @author Pwstrick
* @param array $calendar 通过threshold方法计算后的数据
* @deprecated 计算日历的天数与样式
*/
function caculate($calendar) {
$days = $calendar['days'];
$firstDayOfWeek = $calendar['firstDayOfWeek'];//本月第一天的星期
$lastDayOfWeek = $calendar['lastDayOfWeek'];//本月最后一天的星期
$lastMonthOfLastDay = $calendar['lastMonthOfLastDay'];//上个月的最后一天
$year = $calendar['year'];
$month = $calendar['month'];
$dates = array();
if($firstDayOfWeek != 7) {
$lastDays = array();
$current = $lastMonthOfLastDay;//上个月的最后一天
for ($i = 0; $i < $firstDayOfWeek; $i++) {
array_push($lastDays, $current);//添加上一个月的日期天数
$current--;
}
$lastDays = array_reverse($lastDays);//反序
foreach ($lastDays as $index => $day) {
array_push($dates, array('day' => $day, 'tdclass' => ($index ==0 ?'rest':''), 'pclass' => 'outter'));
}
}
//本月日历信息
for ($i = 1; $i <= $days; $i++) {
$isRest = $this->_checkIsRest($year, $month, $i);
//判断是否是休息天
array_push($dates, array('day' => $i, 'tdclass' => ($isRest ?'rest':''), 'pclass' => ''));
}
//下月日历信息
if($lastDayOfWeek == 7) {//最后一天是星期日
$length = 6;
}
elseif($lastDayOfWeek == 6) {//最后一天是星期六
$length = 0;
}else {
$length = 6 - $lastDayOfWeek;
}
for ($i = 1; $i <= $length; $i++) {
array_push($dates, array('day' => $i, 'tdclass' => ($i==$length ?'rest':''), 'pclass' => 'outter'));
}
return $dates;
}
/*
* @author Pwstrick
* @deprecated 判断是否是休息天
*/
private function _checkIsRest($year, $month, $day) {
$date = mktime(0, 0, 0, $month, $day, $year);
$week = date("N", $date);
return $week == 7 || $week == 6;
}
/*
* @author Pwstrick
* @param array $caculate 通过caculate方法计算后的数据
* @deprecated 画表格，设置table中的tr与td
*/
function draw($caculate) {
$tr = array();
$length = count($caculate);
$result = array();
foreach ($caculate as $index => $date) {
if($index % 7 == 0) {//第一列
$tr = array($date);
}elseif($index % 7 == 6 || $index == ($length-1)) {
array_push($tr, $date);
array_push($result, $tr);//添加到返回的数据中
$tr = array();//清空数组列表
}else {
array_push($tr, $date);
}
}
return $result;
}
}
?>