PHP+AJAX创建的动态网页在线日历

使用方法

currentYear = date ( "Y", time () );
		$this->currentMonth = date ( "m", time () );
		
		if (! empty ( $_POST ['year'] )) {
			$this->currentYear = $_POST ['year'];
		}
		if (! empty ( $_POST ['month'] )) {
			$this->currentMonth = $_POST ['month'];
		}
		$this->currentMonthStart = $this->currentYear . '-' . $this->currentMonth . '-01';
		$this->currentMonthDaysLength = date ( 't', strtotime ( $this->currentMonthStart ) );
	}
	
	function getCalendarHTML() {
		$calendarHTML = '

	'; 
		$calendarHTML .= '
	

		' . $this->getCalendarNavigation() . '
	
'; 
		$calendarHTML .= '
	

		' . $this->getWeekDayName () . '
	
';
		$calendarHTML .= '
	

		' . $this->getWeekDays () . '
	
';		
		$calendarHTML .= '

';
		return $calendarHTML;
	}
	
	function getCalendarNavigation() {
		$prevMonthYear = date ( 'm,Y', strtotime ( $this->currentMonthStart. ' -1 Month'  ) );
		$prevMonthYearArray = explode(",",$prevMonthYear);
		
		$nextMonthYear = date ( 'm,Y', strtotime ( $this->currentMonthStart . ' +1 Month'  ) );
		$nextMonthYearArray = explode(",",$nextMonthYear);
		
		$navigationHTML = '

	<

'; 
		$navigationHTML .= '' . date ( 'M', strtotime ( $this->currentMonthStart ) ) . '';
		$navigationHTML .= ''.	date ( 'Y', strtotime ( $this->currentMonthStart ) ) . '';
		$navigationHTML .= '

	>

';
		return $navigationHTML;
	}
	
	function getWeekDayName() {
		$WeekDayName= '';		
		foreach ( $this->weekDayName as $dayname ) {			
			$WeekDayName.= '

	' . $dayname . '

';
		}		
		return $WeekDayName;
	}
	
	function getWeekDays() {
		$weekLength = $this->getWeekLengthByMonth ();
		$firstDayOfTheWeek = date ( 'N', strtotime ( $this->currentMonthStart ) );
		$weekDays = "";
		for($i = 0; $i < $weekLength; $i ++) { for($j = 1; $j <= 7; $j ++) { $cellIndex = $i * 7 + $j; $cellValue = null; if ($cellIndex == $firstDayOfTheWeek) { $this->currentDay = 1;
				}
				if (! empty ( $this->currentDay ) && $this->currentDay <= $this->currentMonthDaysLength) {
					$cellValue = $this->currentDay;
					$this->currentDay ++;
				}
				$weekDays .= '

	' . $cellValue . '

';
			}
		}
		return $weekDays;
	}
	
	function getWeekLengthByMonth() {
		$weekLength =  intval ( $this->currentMonthDaysLength / 7 );	
		if($this->currentMonthDaysLength % 7 > 0) {
			$weekLength++;
		}
		$monthStartDay= date ( 'N', strtotime ( $this->currentMonthStart) );		
		$monthEndingDay= date ( 'N', strtotime ( $this->currentYear . '-' . $this->currentMonth . '-' . $this->currentMonthDaysLength) );
		if ($monthEndingDay < $monthStartDay) { $weekLength++; } return $weekLength; } } ?>