<?php
//创建一个日期类
class Calendar
{
var $startDay=0;
var $startMonth=1;
var $dayNames=array("<font color='red' face='courier new'>Sunday</font>",
"<font color='green' face='courier new'>Monday",
"<font color='green' face='courier new'>Tuesday",
"<font color='green' face='courier new'>Wednesday",
"<font color='green' face='courier new'>Thursday",
"<font color='green' face='courier new'>Friday",
"<font color='red' face='courier new'>Saturday");
var $monthNames=array("<font color='maroon' size=4 face='courier new'><b>January</b></font>",
"<font color='maroon' size=4 face='courier new'><b>February</b></font>",
"<font color='maroon' size=4 face='courier new'><b>March</b></font>",
"<font color='maroon' size=4 face='courier new'><b>April</b></font>",
"<font color='maroon' size=4 face='courier new'><b>May</b></font>",
"<font color='maroon' size=4 face='courier new'><b>June</b></font>",
"<font color='maroon' size=4 face='courier new'><b>July</b></font>",
"<font color='maroon' size=4 face='courier new'><b>August</b></font>",
"<font color='maroon' size=4 face='courier new'><b>September</b></font>",
"<font color='maroon' size=4 face='courier new'><b>October</b></font>",
"<font color='maroon' size=4 face='courier new'><b>November</b></font>",
"<font color='maroon' size=4 face='courier new'><b>December</b></font>");
var $daysInMonth = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
function setDayNames($names)
{
$this->dayNames=$names;
}
function getDayNames()
{
return $this->dayNames;
}
function setMonthNames($names)
{
$this->monthNames=$names;
}
function getMonthNames()
{
return $this->monthNames;
}
function setStartDay($day)
{
$this->startDay=$day;
}
//获取一个开始日期的函数
function getStartDay()
{
return $this->startDay;
}
function setStartMonth($month)
{
$this->startMonth=$month;
}
function getStartMonth()
{
return $this->startMonth;
}
function getCalendarLink($month,$year)
{
return "";
}
//声明一个获取日期链接的函数
function getDateLink($day,$month,$year)
{
$link="counter.php?day=$day&month=$month&year=$year&fromcounter=1";
return "$link";
}
//设置日期链接
function getCurrentMonthView()
{
$d=getdate(time());
return $this->getMonthView($d["mon"],$d["year"]);
}
//获取当前年份
function getCurrentYearView()
{
$d=getdate(time());
return $this->getYearView($d["year"]);
}
//声明一个获取指定年，月的函数
function getMonthView($month,$year)
{
return $this->getMonthHTML($month,$year);
}
//声明一个获取指定年的月份信息的函数
function getYearView($year)
{
return $this->getYearHTML($year);
}
//获取每月的天数
function getDaysInMonth($month,$year)
{
if($month<1 || $month>12)
{
return 0;
}
$d=$this->daysInMonth[$month-1];
if($month==2)
{
if($year%4==0)
{
if($year%100==0)
{
if($year%400==0)
{
$d=29;
}
}
else
{
$d=29;
}
}
}
return $d;
}
//声明一个获取月份的getMonthHTML函数
function getMonthHTML($m,$y,$showYear=1)
{
$s="";
$a=$this->adjustDate($m,$y);
$month=$a[0];
$year=$a[1];
$daysInMonth=$this->getDaysInMonth($month,$year);
$date=getdate(mktime(12,0,0,$month,1,$year));
$first=$date['wday'];
$monthName=$this->monthNames[$month-1];
$prev=$this->adjustDate($month-1,$year);
$next=$this->adjustDate($month+1,$year);
if($showYear==1)
{
$prevMonth=$this->getCalendarLink($prev[0],$prev[1]);
$nextMonth=$this->getCalendarLink($next[0],$next[1]);
}
else
{
$prevMonth="";
$nextMonth="";
}
$header=$monthName.(($showYear>0) ? " <font color='orange'><b>".$year : "</b></font>");
$s.="<table class='calendar' border=4 cellspacing=4 cellpadding=4 align=center bordercolor=blue";
$s.="<tr>";
$s.="<td align='center' valign='top'>".(($prevMonth=="") ? " " : "<a href='$prevMonth'><<</a>")."</td>";
$s.="<td align='center' valign='center' class='calendarHeader' colspan='5'>$header</td>";
$s.="<td align='center' valign='top'>".(($nextMonth=="") ? " " : "<a href='$nextMonth'>>></a>")."</td>";
$s.="</tr>";
$s.="<tr>";
$s.="<td align='center' width=70 class='calendarHeader'>".$this->dayNames[($this->startDay)%7]."</td>";
$s.="<td align='center' width=70 class='calendarHeader'>".$this->dayNames[($this->startDay+1)%7]."</td>";
$s.="<td align='center' width=70 class='calendarHeader'>".$this->dayNames[($this->startDay+2)%7]."</td>";
$s.="<td align='center' width=70 class='calendarHeader'>".$this->dayNames[($this->startDay+3)%7]."</td>";
$s.="<td align='center' width=70 class='calendarHeader'>".$this->dayNames[($this->startDay+4)%7]."</td>";
$s.="<td align='center' width=70 class='calendarHeader'>".$this->dayNames[($this->startDay+5)%7]."</td>";
$s.="<td align='center' width=70 class='calendarHeader'>".$this->dayNames[($this->startDay+6)%7]."</td>";
$s.="</tr>";
/********************************有些不解*************************************************/
$d=$this->startDay+1-$first;
while($d>1)
{
$d-=7;
}
$today=getdate(time());
while($d<=$daysInMonth)
{
$s.="<tr>";
for($i=0;$i<7;$i++)
{
$class=($year==$today['year'] && $month==$today['mon'] &&
$d==$today['mday']) ? "calenderToday" : "calendar";
$s.="<td class='$class' align='center'>";
if($d>0 && $d<=$daysInMonth)
{
$link=$this->getDateLink($d,$month,$year);
$mtime=mktime();
$dnow=date("d",$mtime);
$mnow=date("m",$mtime);
if($dnow==$d && $mnow==$month)
{
$s.=(($link=="") ? $d : "<b>
<a href='$link'><font face='courier new' color='red'>$d</font></a></b>");
}
else
{
$s.=(($link=="") ? $d : "<a href='$link'>
<font face='courier new' color='blue'>$d</font></a>");
}
}
else
{
$s.=" ";
}
$s.="</td>";
$d++;
}
$s.="</tr>";
}
/***************************************************************************************/
$s.="</table>";
return $s;
}
//声明一个获取年份的HTML
function getYearHTML($year)
{
$s="";
$prev=$this->getCalendarLink(0,$year-1);
$next=$this->getCalendarLink(0,$year+1);
$s.="<table class='calendar' border='1'>";
$s.="<tr>";
$s.="<td align='center' valign='top'>".(($prev=="") ? " " :
"<a href='$prev'><<</a>")."</td>";
$s.="<td class='calendarHeader' vlign='top' align='center'>".(($this->startMonth>1) ?
$year."-".($year+1) : $year)."</td>";
$s.="<td align='center' valign='top'>".(($next=="") ? " " :
"<a href='$next'>>></a>")."</td>";
$s.="</tr>";
$s.="<tr>";
$s.="<td class='calendar' valign='top'>".$this->getMonthHTML(0+$this->startMonth,$year,0)."
</td>";
$s .= "<td class=\"calendar\" valign=\"top\">" .
$this->getMonthHTML(1 + $this->startMonth, $year, 0) ."</td>";
$s .= "<td class=\"calendar\" valign=\"top\">" .
$this->getMonthHTML(2 + $this->startMonth, $year, 0) ."</td>";
$s .= "</tr>";
$s .= "<tr>";
$s .= "<td class=\"calendar\" valign=\"top\">" .
$this->getMonthHTML(3 + $this->startMonth, $year, 0) ."</td>";
$s .= "<td class=\"calendar\" valign=\"top\">" .
$this->getMonthHTML(4 + $this->startMonth, $year, 0) ."</td>";
$s .= "<td class=\"calendar\" valign=\"top\">" .
$this->getMonthHTML(5 + $this->startMonth, $year, 0) ."</td>";
$s .= "</tr>";
$s .= "<tr>";
$s .= "<td class=\"calendar\" valign=\"top\">" .
$this->getMonthHTML(6 + $this->startMonth, $year, 0) ."</td>";
$s .= "<td class=\"calendar\" valign=\"top\">" .
$this->getMonthHTML(7 + $this->startMonth, $year, 0) ."</td>";
$s .= "<td class=\"calendar\" valign=\"top\">" .
$this->getMonthHTML(8 + $this->startMonth, $year, 0) ."</td>";
$s .= "</tr>";
$s .= "<tr>";
$s .= "<td class=\"calendar\" valign=\"top\">" .
$this->getMonthHTML(9 + $this->startMonth, $year, 0) ."</td>";
$s .= "<td class=\"calendar\" valign=\"top\">" .
$this->getMonthHTML(10 + $this->startMonth, $year, 0) ."</td>";
$s .= "<td class=\"calendar\" valign=\"top\">" .
$this->getMonthHTML(11 + $this->startMonth, $year, 0) ."</td>";
$s .= "</tr>";
$s .= "</table>";
return $s;
}
//声明一个日期调整函数
function adjustDate($month,$year)
{
$a=array();
$a[0]=$month;
$a[1]=$year;
while($a[0]>12)
{
$a[0]-=12;
$a[1]++;
}
while($a[0]<=0)
{
$a[0]+=12;
$a[1]--;
}
return $a;
}
}
class MyCalendar extends Calendar
{
function getCalendarLink($month,$year)
{
$s=getenv('SCRIPT_NAME'); //相当于$_SERVER['SCRIPT_NAME']
return "$s?month=$month&year=$year";
}
}
?>
以上就是一个日期类的内容，更多相关内容请关注PHP中文网（www.php.cn）！
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