PHP实现的简单日历代码

2006-12-03 18:02:00

//calendar.php

<?
/*******************************
*   用来判断是否闰年的函数    *
*   可以根据更复杂的算法改进 *
*******************************/
function leap_year($year)
    {
      if($year% 4 == 0) // basic rule
            {
             return true; // is leap year
            }
   else
     {
      return false;
     }
    }

/*******************************
*   对一些变量进行赋值操作    *
*   特别注意对二月份的赋值    *
*******************************/
function setup()
   {
   global $mon_num;
   $mon_num=array(31,30,31,30,31,30,31,31,30,31,30,31);
     global $mon_name;
   $mon_name=array("一","二","三","四",
                  "五","六","七","八",
                  "九","十","十一","十二");
   if (leap_year($firstday[year])) // basic rule
          {
            $mon_num[1]=29; // is leap year
          }
   else
   {
     $mon_num[1]=28;
   }
   }

/*******************************
*   显示表格中的一格          *
*   显示的内容和颜色可变      *
*******************************/
        function showline($content,$show_color)
        {
         $begin_mark = "<TD WIDTH=60 HEIGHT=25>";
$begin_mark =$begin_mark."<FONT COLOR=$show_color>";
$end_mark = "</FONT></TD>";
         echo $begin_mark.$content.$end_mark ;
        }


?>


<html>

<head>

<title>
社区日历
</title>

<meta http-equiv=content-type content="text/html; charset=gb2312">

<head>

<body>

<?
   //获得当前的日期
   $firstday = getdate(mktime(0,0,0,date("m"),1,date("Y")));

   setup();

        //显示表格的名称
echo "<CENTER>";
echo "<TABLE BORDER=2 CELLSPACING=4>";
echo "<TH COLSPAN=7 HEIGHT=50>";
echo "<FONT COLOR=red SIZE=3 >";
echo "$firstday[year]年 &nbsp".$mon_name[$firstday[mon]-1]."月&nbsp月历";
echo "</FONT>";
echo "</TH>";

        //表头
$weekDay[0] = "日";
$weekDay[1] = "一";
$weekDay[2] = "二";
$weekDay[3] = "三";
$weekDay[4] = "四";
$weekDay[5] = "五";
$weekDay[6] = "六";

echo "<TR ALIGN=\"center\" VALIGN=\"center\">";

//显示表格的第一行
for ($dayNum = 0; $dayNum < 7; ++$dayNum) {
    showline($weekDay[$dayNum],"red");
}

echo"</TR>";

   $toweek=$firstday[wday];//本月的第一天是星期几
   $lastday=$mon_num[$firstday[mon]-1];//本月的最后一天是星期几
   $day_count = 1;//当前应该显示的天数
$up_to_firstday = 1;//是否显示到本月的第一天

for ($row = 0; $row <= ($lastday+$toweek-1)/7; ++$row)//本月有几个星期
{ echo "<TR ALIGN=center VALIGN=center>";
  for ($col=1; $col<=7; ++$col)
  {
          //在第一天前面显示的都是"空"
   if (($up_to_firstday <= $toweek) ||($day_count>$lastday))
   {
    echo "<TD>&nbsp</TD>";
    $up_to_firstday++;
   }
   else
          {
                //显示本月中的某一天
               showline($day_count,"blue");
    $day_count++;
                 }
  }
  echo "</TR>";
}

echo "</TABLE>";
echo "</CENTER>";
?>
</body>
</html>

本文出自 “牛海彬的博客” 博客，请务必保留此出处http://newhappy.blog.51cto.com/381292/76900

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