Method Annotation: |
Adds the specified number of days to the value of this instance. |
Adds the specified number of hours to the value of this instance. |
Adds the specified number of minutes to the value of this instance. |
Adds the specified number of milliseconds to the value of this instance. |
Adds the specified number of months to the value of this instance. |
Adds the specified number of seconds to the value of this instance. |
Adds the specified number of years to the value of this instance. |
Compares the value of this instance with the specified date value, and indicates whether this instance is earlier than, equal to, or later than the specified date value. |
Returns a new DateTime object with the same value |
Returns a value that indicates whether this instance is equal to the specified DateTime instance. |
Gets the date part of this instance. |
Gets the date represented by this instance as the day ordinal of the month. |
Gets the day of the week that this instance represents. |
Gets the hour portion of the date represented by this instance. |
Gets the minute portion of the date represented by this instance. |
Gets the millisecond portion of the date represented by this instance. |
Gets the month portion of the date represented by this instance. |
Gets the DateTime object for the day of the next month of this instance |
Gets the next Sunday datetime object for this instance |
Gets the next Sunday datetime object for this instance |
Gets the second portion of the date represented by this instance. |
Returns the date value of this instance |
Gets the year portion of the date represented by this instance. |
Indicates whether this instance is a DateTime object |
Converts the value of the current DateTime object to its equivalent short date string representation. |
Converts the value of the current DateTime object to its equivalent short time string representation. |
Converts the value of the current DateTime object to its equivalent string representation. |
Verify that the method parameters for the Add series are legitimate |
Methods that inherit from date |
Compares two instances of DateTime and returns an indication of their relative values. |
Returns the number of days in the specified year and month. |
Returns a value that indicates whether two instances of DateTime are equal. |
Returns whether the specified year is an indication of leap years. |
Gets a DateTime object that is set to the current date and time on this computer, expressed as a local time. |
Converts the specified string representation of a date and time to its DateTime equivalent. |
Gets the current date with the time component set to 00:00:00. |
Copy Code code as follows:
//Represents a moment in time, usually expressed as the date and the time of day.
function DateTime (year, month, day, hour, Min, sec, millisec) {
var d = new Date ();
if (year | | = Year = 0) {
D.setfullyear (year);
}
if (Month | | month = 0) {
D.setmonth (month-1);
}
if (Day | | = = 0) {
d.setdate (day);
}
if (hour | | hour = 0) {
d.sethours (hour);
}
if (min | | min = 0) {
d.setminutes (min);
}
if (sec | | sec = = 0) {
d.setseconds (SEC);
}
if (millisec | | millisec = 0) {
d.setmilliseconds (MILLISEC);
}
//Adds the specified number of days to the value of this instance.
this. AddDays = function (value) {
if (! Validateaddmethodparam (value)) {
return null;
}
var result = this. Clone ();
result. GetValue (). Setdate (Result. Getday () + value);
return result;
}
//Adds the specified number of hours to the value of this instance.
this. AddHours = function (value) {
if (! Validateaddmethodparam (value)) {
return null;
}
var result = this. Clone ();
result. GetValue (). Sethours (Result. Gethour () + value);
return result;
}
//Adds the specified number of minutes to the value of this instance.
this. AddMinutes = function (value) {
if (! Validateaddmethodparam (value)) {
return null;
}
var result = this. Clone ();
result. GetValue (). Setminutes (Result. Getminute () + value);
return result;
}
//Adds the specified number of milliseconds to the value of this instance.
this. Addmilliseconds = function (value) {
if (! Validateaddmethodparam (value)) {
return null;
}
var result = this. Clone ();
result. GetValue (). Setmilliseconds (Result. Getmillisecond () + value);
return result;
}
//Adds the specified number of months to the value of this instance.
this. Addmonths = function (value) {
if (! Validateaddmethodparam (value)) {
return null;
}
var result = this. Clone ();
result. GetValue (). Setmonth (Result. GetValue (). getmonth () + value);
return result;
}
//Adds the specified number of seconds to the value of this instance.
this. AddSeconds = function (value) {
if (! Validateaddmethodparam (value)) {
return null;
}
var result = this. Clone ();
result. GetValue (). Setseconds (Result. Getsecond () + value);
return result;
}
//Adds the specified number of years to the value of this instance.
this. Addyears = function (value) {
if (! Validateaddmethodparam (value)) {
return null;
}
var result = this. Clone ();
result. GetValue (). setFullYear (Result. GetYear () + value);
return result;
}
//Compares the value of this instance with the specified date value and indicates whether this instance is earlier than, equal to, or later than the specified date value.
This.compareto = function (other) {
var internalticks = Other.gettime ();
var num2 = D.gettime ();
if (num2 > Internalticks)
{
return 1;
}
if (num2 < internalticks)
{
return-1;
}
return 0;
}
//Returns a new DateTime object with the same numeric value
this. Clone = function () {
return new DateTime (
This. GetYear ()
, this. GetMonth ()
, this. Getday ()
, this. Gethour ()
, this. Getminute ()
, this. Getsecond ()
, this. Getmillisecond ());
}
//Returns a value that indicates whether this instance is equal to the specified DateTime instance.
this. Equals = function (other) {
Return This.compareto (Other) = = 0;
}
//Gets the date part of this instance.
this. GetDate = function () {
var result = new DateTime (D.getfullyear (), D.getmonth (), D.getdate (), 0, 0, 0, 0);
return result;
}
//Get the date represented by this instance is the day ordinal of the month.
this. Getday = function () {
return d.getdate ();
}
//Gets the day of the week that this instance represents.
this. GetDayOfWeek = function () {
return D.getday ();
}
//Gets the hour portion of the date represented by this instance.
this. Gethour = function () {
return d.gethours ();
}
//Gets the minute portion of the date represented by this instance.
this. Getminute = function () {
return d.getminutes ();
}
//Gets the millisecond portion of the date represented by this instance.
this. Getmillisecond = function () {
return D.getmilliseconds ();
}
//Gets the month portion of the date represented by this instance.
this. GetMonth = function () {
return D.getmonth () + 1;
}
//Get the DateTime object for the day of the next month of this instance
this. Getnextmonthfirstday = function () {
var result = new DateTime (this. GetYear (), this. GetMonth (), 1, 0, 0, 0, 0);
result = result. Addmonths (1);
return result;
}
//Get the next Sunday DateTime object for this instance
this. Getnextweekfirstday = function () {
var result = this. GetDate ();
return result. AddDays (7-result. GetDayOfWeek ());
}
//Get the next Sunday DateTime object for this instance
this. Getnextyearfirstday = function () {
return to New DateTime (this. GetYear () + 1, 1, 1, 0, 0, 0, 0);
}
//Gets the second portion of the date represented by this instance.
this. Getsecond = function () {
return D.getseconds ();
}
//Returns the date value of this instance
this. GetValue = function () {
return D;
}
//Gets the year portion of the date represented by this instance.
this. getyear = function () {
return D.getfullyear ();
}
//Indicates whether this instance is a DateTime object
this. Isdatetime = function () {}
//Converts the value of the current DateTime object to its equivalent short date string representation.
this. toshortdatestring = function () {
var result = "";
result = D.getfullyear () + "-" + (D.getmonth () + 1) + "-" + d.getdate ();
return result;
}
//Converts the value of the current DateTime object to its equivalent short time string representation.
this. toshorttimestring = function () {
var result = "";
result = d.gethours () + ":" + d.getminutes () + ":" + d.getseconds ();
return result;
}
//Converts the value of the current DateTime object to its equivalent string representation.
this. ToString = function (format) {
if (typeof (format) = = "string") {
}
return this. ToShortDateString () + "" + this. Toshorttimestring ();
}
//Verify that the method parameters of the Add series are legal
function Validateaddmethodparam (param) {
if (typeof (param)!= "number") {
return false;
}
return true;
}
//Inheriting from date method
this.gettime = function () {
return D.gettime ();
}
}
//Compares two instances of DateTime and returns an indication of their relative values.
datetime.compare = function (d1, D2) {
return D1.compareto (D2);
}
//Returns the number of days in the specified year and month.
datetime.daysinmonth = function (year, month) {
if (Month < 1) | | (Month > 12))
{
return "month [" + month + "] out of range";
}
var numarray = datetime.isleapyear (year)? DateTime.DaysToMonth366:DateTime.DaysToMonth365;
return (Numarray[month]-numarray[month-1]);
}
//Returns a value that indicates whether two instances of DateTime are equal.
datetime.equals = function (d1, D2) {
return D1.compareto (d2) = = 0;
}
//Returns whether the specified year is an indication of leap years.
datetime.isleapyear = function (year)
{
if (Year < 1) | | (Year > 0x270f))
{
return "Years [" + year + "] out of range";
}
if (year% 4)!= 0)
{
return false;
}
if ((year% 100) = = 0)
{
return ((year% 400) = = 0);
}
return true;
}
//Gets a DateTime object that is set to the current date and time on this computer, expressed as a local time.
DateTime.Now = new DateTime ();
//Converts the specified string representation of a date and time to its DateTime equivalent.
DateTime.Parse = function (s) {
var result = new DateTime ();
var value = result. GetValue ();
value.sethours (0,0,0,0);
var Daterex =/\b[1-2][0-9][0-9][0-9][-]\d{1,2}[-]\d{1,2}\b/i;
if (daterex.test (s)) {
var datestr = S.match (Daterex) [0];
try{
var dateparts = datestr.split ("-");
var year = dateparts[0]-0;
var month = dateparts[1]-1;
var day = dateparts[2]-0;
value.setfullyear (Year,month,day);
}catch (ex) {
return null;
}
var Timerex =/\b\d{1,2}[:]\d{1,2}[:]\d{1,2}\b/i;
if (timerex.test (s)) {
var timestr = S.match (Timerex) [0];
try{
var timeparts = Timestr.split (":");
var hour = timeparts[0]-0;
var min = timeparts[1]-0;
var sec = timeparts[2]-0;
value.sethours (HOUR,MIN,SEC);
}catch (ex) {
}
}
}else{
return null;
}
return result;
}
//Gets the current date, and its time component is set to 00:00:00.
datetime.today = new DateTime (null, NULL, NULL, 0, 0, 0, 0);
//static fields
datetime.daystomonth365 = [0, 0x1f, 0x3b,, 0x97, 0xb5, 0xd4, 0xf3, 0x111, 0x130];
datetime.daystomonth366 = [0, 0x1f, 0x5b, 0x79, 0x98, 0xb6, 0xd5, 0xf4, 0x112, 0x131, 0x14f, 0x16e];
