//创建一个日期类
class
Calendar
{
var
$startDay
=0;
var
$startMonth
=1;
var
$dayNames
=
array
(
"Sunday"
,
"Monday"
,
"Tuesday"
,
"Wednesday"
,
"Thursday"
,
"Friday"
,
"Saturday"
);
var
$monthNames
=
array
(
"January"
,
"February"
,
"March"
,
"April"
,
"May"
,
"June"
,
"July"
,
"August"
,
"September"
,
"October"
,
"November"
,
"December"
);
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) ?
" "
.
$year
:
""
);
$s
.=
"
;
$s
.=
""
;
$s
.=
""
.((
$prevMonth
==
""
) ?
" "
:
"<<"
).
""
;
$s
.=
"$header"
;
$s
.=
""
.((
$nextMonth
==
""
) ?
" "
:
">>"
).
""
;
$s
.=
" "
;
$s
.=
""
;
$s
.=
""
.
$this
->dayNames[(
$this
->startDay)%7].
""
;
$s
.=
""
.
$this
->dayNames[(
$this
->startDay+1)%7].
""
;
$s
.=
""
.
$this
->dayNames[(
$this
->startDay+2)%7].
""
;
$s
.=
""
.
$this
->dayNames[(
$this
->startDay+3)%7].
""
;
$s
.=
""
.
$this
->dayNames[(
$this
->startDay+4)%7].
""
;
$s
.=
""
.
$this
->dayNames[(
$this
->startDay+5)%7].
""
;
$s
.=
""
.
$this
->dayNames[(
$this
->startDay+6)%7].
""
;
$s
.=
" "
;
$d
=
$this
->startDay+1-
$first
;
while
(
$d
>1)
{
$d
-=7;
}
$today
=
getdate
(time());
while
(
$d
<=
$daysInMonth
)
{
$s
.=
""
;
for
(
$i
=0;
$i
<7;
$i
++)
{
$class
=(
$year
==
$today
[
'year'
] &&
$month
==
$today
[
'mon'
] &&
$d
==
$today
[
'mday'
]) ?
"calenderToday"
:
"calendar"
;
$s
.=
""
;
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
==
""
) ?
$d
:
"$d
);
}
else
{
$s
.=((
$link
==
""
) ?
$d
:
"$d"
);
}
}
else
{
$s
.=
" "
;
}
$s
.=
""
;
$d
++;
}
$s
.=
" "
;
}
$s
.=
""
;
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
.=
""
;
$s
.=
""
;
$s
.=
""
.((
$prev
==
""
) ?
" "
:
"<<"
).
""
;
$s
.=
""
.((
$this
->startMonth>1) ?
$year
.
"-"
.(
$year
+1) :
$year
).
""
;
$s
.=
""
.((
$next
==
""
) ?
" "
:
">>"
).
""
;
$s
.=
" "
;
$s
.=
""
;
$s
.=
""
.
$this
->getMonthHTML(0+
$this
->startMonth,
$year
,0).
""
;
$s
.=
""
.
$this
->getMonthHTML(1 +
$this
->startMonth,
$year
, 0) .
""
;
$s
.=
""
.
$this
->getMonthHTML(2 +
$this
->startMonth,
$year
, 0) .
""
;
$s
.=
" "
;
$s
.=
""
;
$s
.=
""
.
$this
->getMonthHTML(3 +
$this
->startMonth,
$year
, 0) .
""
;
$s
.=
""
.
$this
->getMonthHTML(4 +
$this
->startMonth,
$year
, 0) .
""
;
$s
.=
""
.
$this
->getMonthHTML(5 +
$this
->startMonth,
$year
, 0) .
""
;
$s
.=
" "
;
$s
.=
""
;
$s
.=
""
.
$this
->getMonthHTML(6 +
$this
->startMonth,
$year
, 0) .
""
;
$s
.=
""
.
$this
->getMonthHTML(7 +
$this
->startMonth,
$year
, 0) .
""
;
$s
.=
""
.
$this
->getMonthHTML(8 +
$this
->startMonth,
$year
, 0) .
""
;
$s
.=
" "
;
$s
.=
""
;
$s
.=
""
.
$this
->getMonthHTML(9 +
$this
->startMonth,
$year
, 0) .
""
;
$s
.=
""
.
$this
->getMonthHTML(10 +
$this
->startMonth,
$year
, 0) .
""
;
$s
.=
""
.
$this
->getMonthHTML(11 +
$this
->startMonth,
$year
, 0) .
""
;
$s
.=
" "
;
$s
.=
""
;
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"
;
}
}
?>