存档：
index.php
1 <html> 2 ????<head> 3 ????????<title>日历</title> 4 ????????<style> 5 ????????????table{border:1px solid #050;} 6 ????????????.fontb{color:white;background:blue;} 7 ????????????th{width:30px;} 8 ????????????td,th{height:30px;text-align:center;} 9 ????????????form{margin:0px;padding:0px;}10 ????????</style>11 ????</head>12 ????<body>13 ????????<?php14 ????????????require "calendar.class.php";15 ????????????echo new Calendar;16 ?????????>17 ????</body>18 </html>calendar.php
?1 <?php ?2 ????class Calendar{ ?3 ????????private $year; ?4 ????????private $month; ?5 ????????private $start_weekday; ?6 ????????private $days; ?7 ????????function __construct(){ ?8 ????????????$this->year = isset($_GET["year"])?$_GET["year"]:date("Y"); ?9 ????????????$this->month = isset($_GET["month"])?$_GET["month"]:date("m"); 10 ????????????$this->start_weekday = date("w",mktime(0,0,0,$this->month,1,$this->year)); 11 ????????????$this->days = date("t",mktime(0,0,0,$this->month,1,$this->year)); 12 ????????} 13 ?????????14 ????????function __toString(){ 15 ????????????$out .=‘<table align="center">‘; 16 ????????????$out .=$this->chageDate(); 17 ????????????$out .=$this->weeksList(); 18 ????????????$out .=$this->daysList(); 19 ????????????$out .=‘</table>‘; 20 ????????????return $out; 21 ????????} 22 ?????????23 ????????private function weeksList(){ 24 ????????????$week = array(‘日‘,‘一‘,‘二‘,‘三‘,‘四‘,‘五‘,‘六‘); 25 ????????????$out .= ‘<tr>‘; 26 ????????????for($i=0;$i<count($week);$i++){ 27 ????????????????$out .= ‘<th class="fontb">‘.$week[$i].‘</th>‘; ?28 ????????????} 29 ????????????$out .= ‘</tr>‘; 30 ????????????return $out; 31 ????????} 32 ?????????33 ????????private function daysList(){ 34 ????????????$out .= ‘<tr>‘; 35 ????????????for($j=0;$j<$this->start_weekday;$j++){ 36 ????????????????$out .= ‘<td> </td>‘; 37 ????????????} 38 ????????????for($k=1;$k<=$this->days;$k++){ 39 ????????????????$j++; 40 ????????????????if($k==date(‘d‘)){ 41 ????????????????????$out .= ‘<td class="fontb">‘.$k.‘</td>‘; 42 ????????????????} 43 ????????????????else{ 44 ????????????????????$out .= ‘<td>‘.$k.‘</td>‘; 45 ????????????????} 46 ????????????????if($j%7==0){ 47 ????????????????????$out .= ‘</tr><tr>‘; 48 ????????????????} 49 ????????????} 50 ????????????while($j%7!=0){ 51 ????????????????$out .= ‘<td> </td>‘; 52 ????????????????$j++; 53 ????????????} 54 ????????????$out .= ‘</tr>‘; 55 ????????????return $out; 56 ????????} 57 ?????????58 ????????private function prevYear($year,$month){ 59 ????????????$year = $year-1; 60 ????????????if($year<1970){ 61 ????????????????$year=1970; 62 ????????????} 63 ????????????return "year=($year)&month=($month)"; 64 ????????} 65 ?????????66 ????????private function prevMonth($year,$month){ 67 ????????????if($month==1){ 68 ????????????????$year=$year-1; 69 ????????????????if($year<1970){ 70 ????????????????????$year=1970; 71 ????????????????} 72 ????????????????$month=12; 73 ????????????} 74 ????????????else{ 75 ????????????????$month--; 76 ????????????} 77 ????????????return "year=($year)&month=($month)"; 78 ????????} 79 ?????????80 ????????private function nextYear($year,$month){ 81 ????????????$year=$year+1; 82 ????????????if($year>2038){ 83 ????????????????$year=2038; 84 ????????????} 85 ????????????return "year=($year)&month=($month)"; 86 ????????} 87 ?????????88 ????????private function nextMonth($year,$month){ 89 ????????????if($month==12){ 90 ????????????????$year++; 91 ????????????????if($year>2038){ 92 ????????????????????$year=2038; 93 ????????????????} 94 ????????????????$month=1; 95 ????????????} 96 ????????????else{ 97 ????????????????$month++; 98 ????????????} 99 ????????????return "year=($year)&month=($month)";100 ????????}101 ????????102 ????????private function chageDate($url="index.php"){103 ????????????$out .= ‘<tr>‘;104 ????????????$out .= ‘<td><a href="‘.$url.‘?‘.$this->prevYear($this->year,$this->month).‘">‘.‘<<‘.‘</a></td>‘;105 ????????????$out .= ‘<td><a href="‘.$url.‘?‘.$this->prevMonth($this->year,$this->month).‘">‘.‘<‘.‘</a></td>‘;106 ????????????$out .= ‘<td colspan="3">‘;107 ????????????$out .= ‘<form>‘;108 ????????????$out .= ‘<select name="year" onchange="window.location=\‘‘.$url.‘?year=\‘+this.options[selectedIndex].value+\‘&month=‘.$this->month.‘\‘">‘;109 ????????????for($sy=1970;$sy<=2038;$sy++){110 ????????????????$selected=($sy==$this->year)?"selected":"";111 ????????????????$out .=‘<option ‘.$selected.‘ value="‘.$sy.‘">‘.$sy.‘</option>‘;112 ????????????}113 ????????????$out .= ‘</select>‘;114 ????????????$out .= ‘<select name="month" onchange="window.location=\‘‘.$url.‘?year=‘.$this->year.‘&month=\‘+this.options[selectedIndex].value">‘;115 ????????????for($sm=1;$sm<=12;$sm++){116 ????????????????$selected1=($sm==$this->month)?"selected":"";117 ????????????????$out .= ‘<option ‘.$selected1.‘ value="‘.$sm.‘">‘.$sm.‘</option>‘;118 ????????????}119 ????????????$out .= ‘</select>‘;120 ????????????$out .= ‘</form>‘;121 ????????????$out .= ‘</td>‘;122 ????????????$out .= ‘<td><a href="‘.$url.‘?‘.$this->nextYear($this->year,$this->month).‘">‘.‘>>‘.‘</a></td>‘;123 ????????????$out .= ‘<td><a href="‘.$url.‘?‘.$this->nextMonth($this->year,$this->month).‘">‘.‘>‘.‘</a></td>‘;124 ????????????$out .= ‘</tr>‘;125 ????????????return $out;126 ????????}127 ????}128 ?>结果如下：
用php做个简单的日历
原文地址：https://www.cnblogs.com/ECJTUACM-873284962/p/8400630.html