date.js

民航订票管理系统

	else
		s += "<td onclick='" + sOnClick + "' align='center' width='22' d='" + iValue + "' nav='2' onmouseover='this.runtimeStyle.color = \"#e89f2e\";' onmouseout='this.runtimeStyle.color = \"\";'>&lt;</td>";

	// write out the year 
	s += "<td align='center' style='cursor:default;' nav='0'>" + iYear + "</td>";

	// next year navigation
	//
	if (iYear >= _dCalMaxDate.getFullYear())
		s += "<td align='center' width='22' style='cursor:default;' nav='0'>&nbsp;</td>";
	else
		s += "<td onclick='" + sOnClick + "' align='center' width='22' d='" + iValue + "' nav='2' onmouseover='this.runtimeStyle.color = \"#e89f2e\";' onmouseout='this.runtimeStyle.color = \"\";'>&gt;</td>";

	s += "</tr></table></td></tr>";

	// write out the months
	//
	var iMonth = 0;

	for (i = 0; i < 4; i++)
	{
		s += "<tr style='height:" + (31 + (i % 2)) + "px;' onmouseover='event.srcElement.runtimeStyle.color = \"#e89f2e\";' onmouseout='event.srcElement.runtimeStyle.color = \"\";'>";

		for(ii = 0; ii < 3; ii++)
		{
			iMonth	= tmpDate.getMonth();
			iValue	= tmpDate.valueOf();

			s += "<td onclick='" + sOnClick + "' style='font-family:Tahoma;font-size:8pt;text-align:center;border:1px solid #7288ac;cursor:hand;' d='" + iValue + "' nav='1'>" + _sCalLongMonths[iMonth] + "</td>";

			tmpDate.setMonth(iMonth + 1);
		}

		s += "</tr>";
	}

	s += "</table>";

	return s;
}


function ReturnDate(o)
{
	var D = new Date(parseInt(o.d, 10));
	
	if (o.nav)
	{
		switch (parseInt(o.nav, 10))
		{
			case 1:

				var m = D.getMonth();
						
				var d = D.getDate();

				var a = new Array(31,28,31,30,31,30,31,31,30,31,30,31);

				if (D.getYear() % 4 == 0)
				{
					a[1] = 29;
				}
				
				if (o.innerHTML == "&lt;")
				{
					m--;
					
					if ((m > 0) && (d > a[m]))
					{						
						D.setDate(a[m]);
					}
					
					D.setMonth(m);
				}
				else if (o.innerHTML == "&gt;")
				{					
					m++;
					
					if ((m < 12) && (d > a[m]))
					{						
						D.setDate(a[m]);
					}
					
					D.setMonth(m);
				}

				_oCalPopUp.document.body.innerHTML = DrawMonth(D, "parent.ReturnDate(this);", HILITE_NONE, null);
				
				break;

			case 2:

				if (o.innerHTML == "&lt;")
				{
					D.setYear(D.getFullYear() - 1);
				}
				else if (o.innerHTML == "&gt;")
				{
					D.setYear(D.getFullYear() + 1);
				}

				_oCalPopUp.document.body.innerHTML = DrawYear(D, "parent.ReturnDate(this);");
				
				break;
		}
	}
	else
	{
		_oCalInput.value		= FormatDate(D);
		_oCalInput.returnValue	= FormatUtcDate(D);
		_oCalInput.fireEvent("onchange");
		_oCalPopUp.hide();
	}
}


function _parseDate(s)
{
	var a = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
	var S = "";
	
	var i;
	for (i = 0; i < s.length; i++)
	{
		switch (s.charAt(i))
		{
			case "/": S = "/"; break;
			case ".": S = "."; break;
			case "-": S = "-"; break;
		}

		if (S.length > 0)
		{
			break;
		}
	}
	
	var c;
	var iS = 0;
	for (i = 0; i < s.length; i++)
	{
		c = s.charAt(i);
		if (c != S && !IsValidNumber(c) )
		{
			throw  ERR_MESSAGE;
		}
		if (c == S)
		{
			iS++;
		}
	}
	
	if (iS != 2)
	{
		throw  ERR_MESSAGE ;
	}
	
	var m, d, y;
	if (_iCalFormat < 4)
	{
		m = s.substring(0, s.indexOf(S));
		d = s.substring(m.length + 1, s.indexOf(S, m.length + 1));
		y = s.substr(m.length + d.length + 2);
	}
	else if (_iCalFormat > 3 && _iCalFormat < 8)
	{
		d = s.substring(0, s.indexOf(S));
		m = s.substring(d.length + 1, s.indexOf(S, d.length + 1));
		y = s.substr(m.length + d.length + 2);
	}
	else
	{
		y = s.substring(0, s.indexOf(S));
		m = s.substring(y.length + 1, s.indexOf(S, y.length + 1));
		d = s.substr(m.length + y.length + 2);
	}
	
	m = parseInt(m, 10) - 1;

	if (m < 0 || m > 11)
	{
		throw  ERR_MESSAGE ;
	}

	y = parseInt(PadYear(y), 10);
	
	if (y < _dCalMinDate.getFullYear() || y > _dCalMaxDate.getFullYear())
	{
		throw  ERR_MESSAGE ;
	}

	if (y % 4 == 0)
	{
		a[1] = 29;
	}
		
	d = parseInt(d, 10);

	if (d == 0 || d > a[m])
	{
		throw  ERR_MESSAGE ;
	}
	
	var D = new Date(y, m, d);
	
	if ((D < _dCalMinDate) || (D > _dCalMaxDate))
	{
		throw  ERR_MESSAGE ;
	}

	return D;
}


function StringToDate(s)
{
    try
    {
        return _parseDate(s);
    }
    catch(e)
    {
        return new Date();
    }
}


function ParseDate(s)
{
	try
	{
        return _parseDate(s);
	}
	catch(e)
	{
		alert(e);
		
		return false;
	}
}


function ParseUtcDate(s)
{
	if (s.length > 10)
	{
		// Date + Time
		return new Date(parseInt(s.substr(0, 4), 10), (parseInt(s.substr(5, 2), 10) - 1), parseInt(s.substr(8, 2), 10), parseInt(s.substr(11, 2), 10), parseInt(s.substr(14, 2), 10), parseInt( s.substr( 17, 2), 10 ));
	}
	else
	{
		// date only, no time info
		//
		return new Date(parseInt(s.substr(0, 4), 10), (parseInt(s.substr(5, 2), 10) - 1), parseInt(s.substr(8, 2), 10));
	}
}


function FormatDate(D)
{
	var m = D.getMonth() + 1;
	var d = D.getDate();
	var y = D.getFullYear();

	if (_iCalFormat % 2 == 0 )
	{
		y = String(y).substr(2, 2);
	}

	if (_iCalFormat == 2 || _iCalFormat == 3 || _iCalFormat == 6 || _iCalFormat == 7 || _iCalFormat == 10 || _iCalFormat == 11)
	{
		m = PadNumber(m);
		d = PadNumber(d);
	}

	if (_iCalFormat < 4)
	{
		return m + _sCalSeperator + d + _sCalSeperator + y;
	}

	if (_iCalFormat > 3 && _iCalFormat < 8)
	{
		return d + _sCalSeperator + m + _sCalSeperator + y;
	}

	return y + _sCalSeperator + m + _sCalSeperator + d;
}


function FormatUtcDate(D)
{
	return String(D.getFullYear()) + "-" + PadNumber( String(D.getMonth() + 1)) + "-" + PadNumber(String(D.getDate())) + "T" + PadNumber(String(D.getHours())) + ":" + PadNumber(String(D.getMinutes())) + ":00";
}


function PadNumber(s)
{
	if (String(s).length == 1)
	{
		return "0" + s;
	}

	return s;
}


function PadYear(s)
{
	s = new String(s);

	if (s.length == 4)
	{
		return s;
	}
	
	if (s.length == 1)
	{
		s = 0 + s;
	}

	if (parseInt(s, 10) < 30)
	{
		return "20" + s;
	}

	return "19" + s;
}


function FormatUtcDateTime(s)
{
	var f = 0;
	var hh = parseInt(s.substr(11, 2), 10);
	var mm = s.substr(14, 2);
	var ss = s.substr(17, 2);
	
	var tt = "";

	switch (f)
	{
		case 0: case 1: case 4: case 5:
		
			if (hh == 12)
			{
				tt	= " PM";
			}
			else if (hh > 12)
			{
				hh	= hh - 12;
				tt	= " PM";
			}
			else
			{
				tt	= " AM";
			}
			
			break;
	}
	
	switch (f)
	{
		case 1: case 3: case 5: case 7:
			
			hh = PadNumber(hh);
			
			break;
	}
	
	if (f > 3)
	{
		return FormatDate(ParseUtcDate(s)) + " " + hh + ":" + mm + ":" + ss + tt;
	}
	else
	{
		return FormatDate(ParseUtcDate(s)) + " " + hh + ":" + mm + tt;
	}
}

// Returns the first day of the week that contains the given date
function GetFirstDayOfWeek( D )
{
	var firstDay = new Date( D.getTime( ) - ( D.getDay( ) * 24 * 60 * 60 * 1000 ) );
	return new Date( firstDay.getTime( ) + ( _iCalStartDay * 24 * 60 * 60 * 1000 ) );
}

// Returns the last day of the week that contains the given date
function GetLastDayOfWeek( D )
{
	var firstDay = GetFirstDayOfWeek( D );
	return new Date( firstDay.getTime( ) + ( 6 * 24 * 60 * 60 * 1000 ) );  // Add 6 days to the first day of the week
}


function IsValidNumber(n)
{
	if (n == null)
		return false;

	var l = n.length;

	if (l == 0)
		return false;

	var s = 0;

	if (n.charAt(0) == "-")
		s = 1;

	var i,c;
	
	for (i = s; i < l; i++)
	{
		c = n.charCodeAt(i);

		if (c < 46 || c > 57)
			return false;
	}

	return true;
}


function Trim(s)
{
	return s.replace(/^\s+|\s+$/g,'');
}


InitCalendar( ORG_DATE_FORMAT, ORG_DATE_SEPARATOR, ORG_DATE_START_DAY );