/*similar to .NET's DateTime class--slchen
*/
function DateTime() {
this.year = 0;
this.month = 0;
this.day = 0;
this.hour = 0;
this.minute = 0;
this.second = 0;
this.millisecond = 0;
switch (arguments.length) {
case 0:
var d = new Date();
this.year = d.getFullYear();
this.month = d.getMonth() + 1;
this.day = d.getDate();
this.hour = d.getHours();
this.minute = d.getMinutes();
this.second = d.getSeconds();
this.millisecond = d.getMilliseconds();
break;
case 1:
this.millisecond = arguments[0];
break;
case 3:
this.year = arguments[0];
this.month = arguments[1];
this.day = arguments[2];
break;
case 6:
this.year = arguments[0];
this.month = arguments[1];
this.day = arguments[2];
this.hour = arguments[3];
this.minute = arguments[4];
this.second = arguments[5];
break;
case 7:
this.year = arguments[0];
this.month = arguments[1];
this.day = arguments[2];
this.hour = arguments[3];
this.minute = arguments[4];
this.second = arguments[5];
this.millisecond = arguments[6];
break;
default:
throw ("No constructor");
}
this.strings = function () { };
this.strings.TimeSeparator = ":";
this.strings.DateSeparator = "-";
this.strings.SpaceSeparator = " ";
this.toString = function () {
return this.getDate() + this.strings.SpaceSeparator + this.getTime();
}
this.getDate = function () {
return this.year + this.strings.DateSeparator + this.Pad(this.month) + this.strings.DateSeparator + this.Pad(this.day);
}
this.getTime = function () {
return this.strings.SpaceSeparator + this.Pad(this.hour) + this.strings.TimeSeparator + this.Pad(this.minute) + this.strings.TimeSeparator + this.Pad(this.second);
}
this.getYear = function () {
return this.year;
}
this.getMonth = function () {
return this.month;
}
this.getDay = function () {
return this.day;
}
this.getHour = function () {
return this.hour;
}
this.getMinute = function () {
return this.minute;
}
this.getSecond = function () {
return this.second;
}
this.span = new Date(this.year, this.month - 1, this.day, this.hour, this.minute, this.second, this.millisecond);
this.getTick = function () {
return new Date(this.year, this.month - 1, this.day, this.hour, this.minute, this.second, this.millisecond).getTime();
}
this.CompareTo = function (datetime1) {
if (this.getTick() > datetime1.getTick()) return 1;
if (this.getTick() == datetime1.getTick()) return 0;
if (this.getTick() < datetime1.getTick()) return -1;
}
this.addYears = function (years) {
this.span.setYear(this.year + years);
var year = this.span.getFullYear();
var month = this.span.getMonth() + 1;
var day = this.span.getDate();
var hour = this.span.getHours();
var minute = this.span.getMinutes();
var second = this.span.getSeconds();
var millisecond = this.span.getMilliseconds();
return new DateTime(year, month, day, hour, minute, second, millisecond);
}
this.addMonths = function (months) {
this.span.setMonth(this.month - 1 + months);
var year = this.span.getFullYear();
var month = this.span.getMonth() + 1;
var day = this.span.getDate();
var hour = this.span.getHours();
var minute = this.span.getMinutes();
var second = this.span.getSeconds();
var millisecond = this.span.getMilliseconds();
return new DateTime(year, month, day, hour, minute, second, millisecond);
}
this.addDays = function (days) {
this.span.setDate(this.day + days);
var year = this.span.getFullYear();
var month = this.span.getMonth() + 1;
var day = this.span.getDate();
var hour = this.span.getHours();
var minute = this.span.getMinutes();
var second = this.span.getSeconds();
var millisecond = this.span.getMilliseconds();
return new DateTime(year, month, day, hour, minute, second, millisecond);
}
this.addHours = function (hours) {
this.span.setHours(this.hour + hours);
var year = this.span.getFullYear();
var month = this.span.getMonth() + 1;
var day = this.span.getDate();
var hour = this.span.getHours();
var minute = this.span.getMinutes();
var second = this.span.getSeconds();
var millisecond = this.span.getMilliseconds();
return new DateTime(year, month, day, hour, minute, second, millisecond);
}
this.addMinutes = function (minutes) {
this.span.setMinutes(this.minute + minutes);
var year = this.span.getFullYear();
var month = this.span.getMonth() + 1;
var day = this.span.getDate();
var hour = this.span.getHours();
var minute = this.span.getMinutes();
var second = this.span.getSeconds();
var millisecond = this.span.getMilliseconds();
return new DateTime(year, month, day, hour, minute, second, millisecond);
}
this.addSeconds = function (seconds) {
this.span.setSeconds(this.second + seconds);
var year = this.span.getFullYear();
var month = this.span.getMonth() + 1;
var day = this.span.getDate();
var hour = this.span.getHours();
var minute = this.span.getMinutes();
var second = this.span.getSeconds();
var millisecond = this.span.getMilliseconds();
return new DateTime(year, month, day, hour, minute, second, millisecond);
}
}
/*prototype extends methods*/
DateTime.prototype.IsLeapYear = function (year) {
if (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0))
return true;
return false;
}
DateTime.prototype.DaysInMonth = function (year, month) {
var monthDays = new Array(0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
var monthDaysLeapYear = new Array(0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
if (DateTime.IsLeapYear(year)) {
return monthDaysLeapYear[month];
}
else {
return monthDays[month];
}
}
DateTime.prototype.Pad = function (number) {
return (number < 10 ? '0' : '') + number;
}
/* .NET's TimeSpan class*/
function TimeSpan() {
this.milliseconds = 0;
switch (arguments.length) {
case 1:
this.milliseconds = arguments[0];
break;
default:
throw ("No constructor");
}
this.totalDays = function () {
return this.milliseconds / (24 * 3600 * 1000);
}
this.totalHours = function () {
return this.milliseconds / (3600 * 1000);
}
this.totalMinutes = function () {
return this.milliseconds / (60 * 1000);
}
this.totalSeconds = function () {
return this.milliseconds / 1000;
}
this.totalMilliseconds = function () {
return this.milliseconds;
}
}
如何使用？
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>DateTime and TimeSpan </title>
<style>
body {screen.css (line 1)
font-family:verdana,nsimsun,sans-serif;
font-size:12px;
}
p {
background-color:#EEEEEE;
border:1px solid #CCCCCC;
padding:5px;
}
.displaycode {screen.css (line 339)
font-family:Andale Mono,Lucida Console,Monaco,fixed,monospace;
font-size:11px;
margin-bottom:0pt;
margin-top:0pt;
}
</style>
<script src="datetime.js" type="text/javascript"></script>
</head>
<body>
<script language="javascript" type="text/javascript">
function write(a, b){
if(!a && !b){
document.write("<p>--------------------------------------------- </p>");
return;
}
document.write("<p>" + a + ": <b>" + b + "</b></p>");
}
var now = new DateTime();
write("now ", now);
write("now getTick", now.getTick());
write("now getYear", now.getYear());
write("now getMonth", now.getMonth());
write("now getDay", now.getDay());
write("now getHour", now.getHour());
write("now getMinute", now.getMinute());
write("now getSecond", now.getSecond());
write("now getDate", now.getDate());
write("now getTime", now.getTime());
write();
var now1 = new DateTime(2011,7,23,16,12,12);
write("now1 ", now1);
write();
var now2 = now1.addMinutes(100);
write("now1.addHours(20)", now2);
var t = new TimeSpan(now2.getTick() - now1.getTick());
write("t.totalDays()", t.totalDays());
write("t.totalHours()", t.totalHours());
write("t.totalMilliseconds()", t.totalMilliseconds());
write("t.totalMinutes()", t.totalMinutes());
write("t.totalSeconds()", t.totalSeconds());
write("now.CompareTo(now1)", now.CompareTo(now1));
</script>
</body>
</html>