樣品圖片：
地址：http://xhua521.cn/DemoFolder/calendar/index.php
calendar.class.php日曆類
<?php
/**
* 日曆例子
*/
class Calendar
{
private $year; //當前的年
private $month; //當前的月
private $start_weekday; //當月的第一天對應的是周幾
private $days; //當前月一共天數
function __construct()
{
$this->year = isset($_GET['year']) ? $_GET['year'] : date("Y");
$this->month = isset($_GET['month']) ? $_GET['month'] : date("m");
$this->start_weekday = date("w",mktime(0,0,0,$this->month,1,$this->year));
$this->days = date("t",mktime(0,0,0,$this->month,1,$this->year));
}
function __tostring(){
$out = '<table align=center>';
$out .= $this->chageDate();
$out .= $this->weeksList();
$out .= $this->daysList();
$out .= '</table>';
// $out .= $this->year.'--'.$this->month;
return $out;
}
//星期列表
public function weeksList()
{
# code...
$week = array('日','一','二','三','四','五','六');
$out .= "<tr>";
for ($i=0; $i < count($week); $i++) {
# code...
$out .= '<th class=fontb>'.$week[$i].'</th>';
}
return $out;
}
//日期列表
public function daysList()
{
# code...
$out .= '<tr>';
for ($j=0; $j < $this->start_weekday; $j++) {
$out .= '<td> </td>';
}
for ($k=1; $k <= $this->days; $k++) {
$j++;
if($k == date('d')){
$out .= '<td class="fontb">'.$k.'</td>';
}else {
$out .= '<td>'.$k.'</td>';
}
if ($j%7 == 0) {
$out .= '</tr><tr>';
}
}
while($j%7 !== 0){
$out .= '<td> </td>';
$j++;
}
$out .= '</td>';
return $out;
}
//獲取上一年
public function prevYear($year,$month)
{
$year = $year-1;
if ($year<1970) {
$year = 1970;
}
return "year=$year&month=$month";
}
//獲取上一月
public function prevMonth($year,$month)
{
if ($month==1) {
# code...
$year = $year-1;
if ($year<1970) {
$year = 1970;
}
$month = 12;
}else {
$month--;
}
return "year=$year&month=$month";
}
//獲取下一年的日期
public function nextYear($year,$month)
{
$year = $year+1;
if ($year>2038){
$year = 2038;
}
return "year=$year&month=$month";
}
//獲取下一月的日期
public function nextMonth($year,$month)
{
if ($month==12) {
$year = $year+1;
if($year>2038){
$year = 2038;
}
$month = 1;
}else {
$month++;
}
return "year=$year&month=$month";
}
//上一年，上一月、下一月、下一年、年月列表
public function chageDate($url='index.php')
{
// $out .= "<tr>";
$out .= "<tr><td><a href=".$url.'?'.$this->prevYear($this->year,$this->month)."><<</a></td>";
$out .= "<td><a href=".$url.'?'.$this->prevMonth($this->year,$this->month)."><</a></td>";
// $out .= '<td colspan="3">';
$out .= '<td colspan="3"><select name="year" οnchange="window.location=\''.$url.'?year=\'+this.options[selectedIndex].value+\'&month='.$this->month.'\'">';
for ($sy=1970; $sy <= 2038; $sy++) {
$selected = ($sy==$this->year)? 'selected' : '';
$out .= '<option '.$selected.' value='.$sy.'>'.$sy.'</option>';
}
// $out .= "</select>";
$out .= '</select><select name="month" οnchange="window.location=\''.$url.'?year='.$this->year.'&month=\'+this.options[selectedIndex].value">';
for ($sm=1; $sm <=12 ; $sm++) {
$selected = ($sm==$this->month) ? 'selected' : '';
$out .= '<option '.$selected.' value='.$sm.'>'.$sm.'</option>';
}
$out .= "</select></form></td>";
// $out .= "</form>";
// $out .= "</td>";
$out .= "<td><a href=".$url.'?'.$this->nextMonth($this->year,$this->month).">></a></td>";
$out .= "<td><a href=".$url.'?'.$this->nextYear($this->year,$this->month).">>></a></td>";
return $out;
}
}
?>index.php文件
作用：調用日曆類，顯示日期
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style media="screen">
table{
border: 1px solid #050;
}
.fontb{
color:white;
background:blue;
}
th{
width:30px;
}
td,th{
height: 30px;
text-align: center;
}
form{
margin: 0px;
padding:0px;
}
</style>
</head>
<body>
<?php
require "./calendar.class.php";
ini_set("error_reporting","E_ALL & ~E_NOTICE");
echo new Calendar();
?>
</body>
</html>calendar.class.php日曆類。