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//日历类
class calendar {
//当前的年
private $year;
//当前的月
private $month;
//一个月中第一天是星期几
private $start_weekday;
//当前月的天数
private $days;
//最大数与最小年数，最大与最小月数
private $yearMonth = array(2080, 1900, 12, 1);
//构造函数
function __construct() {
if (isset($_GET['year'])) {
$this->year = $_GET['year'];
}
if (isset($_GET['month'])) {
$this->month = $_GET['month'];
}
$this->pnYm($this->year, $this->month);
$this->days = date('t', mktime(0, 0, 0, $this->month, 1, $this->year));
$this->start_weekday = date('w', mktime(0, 0, 0, $this->month, 1, $this->year));
$this->style();
}
//输出
private function style() {
echo ' ';
$this->weeklist();
$this->daylist();
echo '';
}
//年月参数判断
private function ymCheck($year, $month) {
if (!is_numeric($year)) {
$year = date('Y');
}
if (!is_numeric($month)) {
$month = date('m');
}
if ($month < $this->yearMonth[3]) {
$month = $this->yearMonth[2];
$year -= 1;
}
if ($month > $this->yearMonth[2]) {
$month = $this->yearMonth[3];
$year = intval($year) + 1;
}
$year = $year < $this->yearMonth[1] ? $this->yearMonth[1] : $year;
$year = $year > $this->yearMonth[0] ? $this->yearMonth[0] : $year;
return array($year, $month);
}
//上一年、下一年、上一月、下一月
private function pnYm($year, $month) {
$ym = $this->ymCheck($year, $month);
$this->year = $ym[0];
$this->month = $ym[1];
}
//weeklist周列表
private function weeklist() {
$week = array('日','一','二','三','四','五','六');
echo '';
foreach ($week as $val) {
echo ''.$val.' | ';
}
echo ' ';
}
//daylist天列表
private function daylist() {
//年月日导航
echo '';
echo '<< | ';
echo '< | ';
echo '';
echo ' | ';
echo '> | ';
echo '>> | ';
echo ' ';
echo ' ';
//输出空格（当前一个月第一天前面要空出来的）
for($i = 0; $i < $this->start_weekday; $i++) {
echo ' | ';
}
for ($k = 1; $k <= $this->days; $k++) {
$i++;
if ($k == date('d')) {
echo ''.$k.' | ';
}else {
echo ''.$k.' | ';
}
if ($i % 7 == 0) {
if ($k != $this->days) {
echo ' ';
}
}
}
echo ' ';
}
}
?>
html+css代码
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复制代码 |
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PHP日历程序
require 'init.php';
$calendar = new calendar();
?>
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