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PHP制作万年历,php万年历

使用PHP实现万年历功能的要点:

得到当前要处理的月份总共有多少天$days
得到当前要处理的月份的一号是星期几$dayofweek
$days的作用:知道要处理的月份共有多少天,就可以通过循环输出天数了

$dayofweek的作用:只有知道每个月的1号是星期几,才能知道在输出天数之前需要输出多少空格(空白)

最终效果图如下:

“万年历类”的代码如下:

复制代码 代码如下:


/**
 * PHP万年历
 * @author Fly 2012/10/16
 */
class Calendar{
    protected $_table;//table表格
    protected $_currentDate;//当前日期
    protected $_year;    //年
    protected $_month;    //月
    protected $_days;    //给定的月份应有的天数
    protected $_dayofweek;//给定月份的 1号 是星期几
    /**
     * 构造函数
     */
    public function __construct()
    {
        $this->_table="";
        $this->_year  = isset($_GET["y"])?$_GET["y"]:date("Y");
        $this->_month = isset($_GET["m"])?$_GET["m"]:date("m");
        if ($this->_month>12){//处理出现月份大于12的情况
            $this->_month=1;
            $this->_year++;
        }
        if ($this->_month             $this->_month=12;
            $this->_year--;
        }
        $this->_currentDate = $this->_year.'年'.$this->_month.'月份';//当前得到的日期信息
        $this->_days           = date("t",mktime(0,0,0,$this->_month,1,$this->_year));//得到给定的月份应有的天数
        $this->_dayofweek    = date("w",mktime(0,0,0,$this->_month,1,$this->_year));//得到给定的月份的 1号 是星期几
    }
    /**
     * 输出标题和表头信息
     */
    protected function _showTitle()
    {
        $this->_table="

";
        $this->_table.="";
        $this->_table .="";
        $this->_table .="";
        $this->_table .="";
        $this->_table .="";
        $this->_table .="";
        $this->_table .="";
        $this->_table .="";
        $this->_table.="";
    }
    /**
     * 输出日期信息
     * 根据当前日期输出日期信息
     */
    protected function _showDate()
    {
        $nums=$this->_dayofweek+1;
        for ($i=1;$i_dayofweek;$i++){//输出1号之前的空白日期
            $this->_table.="";
        }
        for ($i=1;$i_days;$i++){//输出天数信息
            if ($nums%7==0){//换行处理:7个一行
                $this->_table.="";   
            }else{
                $this->_table.="";
            }
            $nums++;
        }
        $this->_table.="
".$this->_currentDate."
星期日星期一星期二星期三星期四星期五星期六
 $i
$i
";
        $this->_table.="

上一月   ";
        $this->_table.="下一月

";
    }
    /**
     * 输出日历
     */
    public function showCalendar()
    {
        $this->_showTitle();
        $this->_showDate();
        echo $this->_table;
    }
}
$calc=new Calendar();
$calc->showCalendar();

效果还不错吧,小伙伴们还可以自己美化下,这里就不多做说明了。

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