日历有关问题

日历问题
2012年02月
星期一 星期二 星期三 星期四 星期五 星期六 星期日
  6 7 8 9 10 11 12
  13 14 15 16 17 18 19



帮忙写写。谢谢

------解决方案--------------------

PHP code

<?php class calendar{
    private $year;
    private $month;
    private $day_week;

    function __construct(){
        $this->year=isset($_GET['year']) ? $_GET['year'] : date("Y");
        $this-&gt;month=isset($_GET['month']) ? $_GET['month'] : date("m");
        $this-&gt;day_week=date("w", mktime(0, 0, 0, $this-&gt;month, 1, $this-&gt;year));
    }
    
    private function xianDate(){
        echo "<tr>";
        echo "<td><a href="%22.%24this-&gt;nextyear(%24this-&gt;year,%20%24this-&gt;month).%22">"."</a></td>";
        echo "<td><a href="%22.%24this-&gt;nextmonth(%24this-&gt;month,%20%24this-&gt;year).%22">"."";
        echo "</a></td>
<td colspan="3">".$this-&gt;year."年".$this-&gt;month."月</td>";
        echo "<td><a href="%22.%24this-&gt;aftermonth(%24this-&gt;month,%20%24this-&gt;year).%22">"."&gt;&gt;"."</a></td>";
        echo "<td><a href="%22.%24this-&gt;afteryear(%24this-&gt;year,%20%24this-&gt;month).%22">"."&gt;&gt;&gt;"."</a></td>";
        echo "</tr>";
    }


    private function weeks(){
        $weeks=array("日", "一", "二", "三", "四", "五", "六");
        echo "<tr>";
        foreach($weeks as $value){
            echo "<th>".$value."</th>";
        }
        echo "</tr>";
    }

    private function days(){
        echo "<tr>";
        for($i=0; $iday_week; $i++){
            echo "<td> </td>";
        }
        for($j=1; $j month, 1, $this-&gt;year)); $j++){
            $i++;
            if($j == date("d")){
                echo "<td class="fontb">".$j."</td>";
            }else{
                echo "<td>".$j."</td>";
            }
            if($i%7 == 0){
                echo "</tr>";
            }
        }
        while($i%7 != 0){
            echo "<td> </td>";
            $i++;
        }
    }

    private function nextyear($year, $month){
        if($year == 1970){
            $year=1970;
        }else{
            $year--;
        }
        return "?year=".$year."&amp;month=".$month;
    }

    private function afteryear($year, $month){
        if($year == 2038){
            $year=2038;
        }else{
            $year++;
        }
        return "?year=".$year."&amp;month=".$month;
    }

    private function nextmonth($month, $year){
        if($month == 1){
            $year--;
            $month=12;
        }else{
            $month--;
        }
        return "?year=".$year."&amp;month=".$month;
    }

    private function aftermonth($month, $year){
        if($month == 12){
            $year++;
            $month=1;
        }else{
            $month++;
        }
        return "?year=".$year."&amp;month=".$month;
    }


    public function out(){
        echo "

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"; $this->xianDate(); $this->weeks(); $this->days(); echo ""; } } $a=new calendar; $a->out(); ?>