用php做个简单的日历
2024-10-21 13:38:48
存档：
index.php
<html>
<head>
<title>日历</title>
<style>
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";
echo new Calendar;
?>
</body>
</html>
calendar.php
<?php
class Calendar{
private $year;
private $month;
private $start_weekday;
private $days;
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>';
return $out;
} private function weeksList(){
$week = array('日','一','二','三','四','五','六');
$out .= '<tr>';
for($i=0;$i<count($week);$i++){
$out .= '<th class="fontb">'.$week[$i].'</th>';
}
$out .= '</tr>';
return $out;
} private function daysList(){
$out .= '<tr>';
for($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 .= '</tr>';
return $out;
} private function prevYear($year,$month){
$year = $year-1;
if($year<1970){
$year=1970;
}
return "year=($year)&month=($month)";
} private function prevMonth($year,$month){
if($month==1){
$year=$year-1;
if($year<1970){
$year=1970;
}
$month=12;
}
else{
$month--;
}
return "year=($year)&month=($month)";
} private function nextYear($year,$month){
$year=$year+1;
if($year>2038){
$year=2038;
}
return "year=($year)&month=($month)";
} private function nextMonth($year,$month){
if($month==12){
$year++;
if($year>2038){
$year=2038;
}
$month=1;
}
else{
$month++;
}
return "year=($year)&month=($month)";
} private function chageDate($url="index.php"){
$out .= '<tr>';
$out .= '<td><a href="'.$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 .= '<form>';
$out .= '<select name="year" onchange="window.location=\''.$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>';
$out .= '<select name="month" onchange="window.location=\''.$url.'?year='.$this->year.'&month=\'+this.options[selectedIndex].value">';
for($sm=1;$sm<=12;$sm++){
$selected1=($sm==$this->month)?"selected":"";
$out .= '<option '.$selected1.' value="'.$sm.'">'.$sm.'</option>';
}
$out .= '</select>';
$out .= '</form>';
$out .= '</td>';
$out .= '<td><a href="'.$url.'?'.$this->nextYear($this->year,$this->month).'">'.'>>'.'</a></td>';
$out .= '<td><a href="'.$url.'?'.$this->nextMonth($this->year,$this->month).'">'.'>'.'</a></td>';
$out .= '</tr>';
return $out;
}
}
?>
结果如下：
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