php日历制作代码分享【PHP】

 <?php
class Calendar {
  private $year; //当前的年
  private $month; //当前的月
  private $start_weekday; //当月的第一天对应的是周几
  private $days; //当前月一共多少天
  function __construct(){
   $this->year=isset($_GET["year"]) ? $_GET["year"] : date("Y");
   $this->month=isset($_GET["month"]) ? $_GET["month"] : date("m");
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   $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 out(){
   echo '
';
   $this->chageDate("test.php");
   $this->weeksList();
   $this->daysList();
   echo '
';
  }
  private function weeksList(){
   $week=array('日','一','二','三','四','五','六');
   echo '
';
   for($i=0; $i<count($week); $i++)
    echo '
'.$week[$i].'
';
   echo '
';
  }
  private function daysList(){
   echo '
';
   //输出空格(当前一月第一天前面要空出来)
   for($j=0; $jstart_weekday; $j++)
    echo '
 
';

   for($k=1; $kdays; $k++){
    $j++;
    if($k==date('d'))
     echo '
'.$k.'
';
    else
     echo '
'.$k.'
';
    if($j%7==0)
     echo '';
   }
   //后面几个空格
   while($j%7!==0){
    echo '
 
';
    $j++;
   }
   echo '
';
  }
  private function prevYear($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 > 2100)
     $year=2100;
    $month=1;
   }else{
    $month++;
   }
   
   return "year={$year}&month={$month}"; 
  }
  private function chageDate($url=""){
   echo '
';
   echo '
prevYear($this->year, $this->month).'">'.'<<'.'
';
   echo '
prevMonth($this->year, $this->month).'">'.'<'.'
';
   echo '
';
   echo '
';
   echo 'month.'\'">';
   for($sy=1970; $sy <= 2100; $sy++){
    $selected = ($sy==$this->year) ? "selected" : "";
    echo ''.$sy.'';
   }
   echo '';
   echo 'year.'&month=\'+this.options[selectedIndex].value">';
   for($sm=1; $sm<=12; $sm++){
    $selected1 = ($sm==$this->month) ? "selected" : "";
    echo ''.$sm.'';
   }
   echo '';
   echo '
'; 
   echo '
';

   echo '
nextYear($this->year, $this->month).'">'.'>>'.'
';
   echo '
nextMonth($this->year, $this->month).'">'.'>'.'
';
   echo '
';
  }
 }
?> 

test.php

 
 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;
 }
<?php
 include "calendar.class.php";
 $calendar=new Calendar;
 $calendar->out();
?>