php制作日历
2014-01-12 16:27
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日历效果如下图:
calendar.class.php
test.php
calendar.class.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"); $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 '<table align="center">'; $this->chageDate("test.php"); $this->weeksList(); $this->daysList(); echo '</table>'; } private function weeksList(){ $week=array('日','一','二','三','四','五','六'); echo '<tr>'; for($i=0; $i<count($week); $i++) echo '<th class="fontb">'.$week[$i].'</th>'; echo '</tr>'; } private function daysList(){ echo '<tr>'; //输出空格(当前一月第一天前面要空出来) for($j=0; $j<$this->start_weekday; $j++) echo '<td> </td>'; for($k=1; $k<=$this->days; $k++){ $j++; if($k==date('d')) echo '<td class="fontb">'.$k.'</td>'; else echo '<td>'.$k.'</td>'; if($j%7==0) echo '</tr><tr>'; } //后面几个空格 while($j%7!==0){ echo '<td> </td>'; $j++; } echo '</tr>'; } private function prevYear($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 '<tr>'; echo '<td><a href="?'.$this->prevYear($this->year, $this->month).'">'.'<<'.'</a></td>'; echo '<td><a href="?'.$this->prevMonth($this->year, $this->month).'">'.'<'.'</a></td>'; echo '<td colspan="3">'; echo '<form>'; echo '<select name="year" onchange="window.location=\''.$url.'?year=\'+this.options[selectedIndex].value+\'&month='.$this->month.'\'">'; for($sy=1970; $sy <= 2100; $sy++){ $selected = ($sy==$this->year) ? "selected" : ""; echo '<option '.$selected.' value="'.$sy.'">'.$sy.'</option>'; } echo '</select>'; echo '<select name="month" onchange="window.location=\''.$url.'?year='.$this->year.'&month=\'+this.options[selectedIndex].value">'; for($sm=1; $sm<=12; $sm++){ $selected1 = ($sm==$this->month) ? "selected" : ""; echo '<option '.$selected1.' value="'.$sm.'">'.$sm.'</option>'; } echo '</select>'; echo '</form>'; echo '</td>'; echo '<td><a href="?'.$this->nextYear($this->year, $this->month).'">'.'>>'.'</a></td>'; echo '<td><a href="?'.$this->nextMonth($this->year, $this->month).'">'.'>'.'</a></td>'; echo '</tr>'; } } ?>
test.php
<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> <?php include "calendar.class.php"; $calendar=new Calendar; $calendar->out(); ?>
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