Method One: This is very good, it seems that Csdn's Meizz wrote:
//An extension to date that converts date to a string of the specified format//the Month (m), Day (d), hour (h), Minute (m), second (s), quarter (q) can be used with 1-2 placeholders,//year (Y) can use 1-4 placeholders, milliseconds (S) with only 1 placeholders (1-3 digits)//Example://(New Date ()). Format ("Yyyy-mm-dd hh:mm:ss. S ") ==> 2006-07-02 08:09:04.423//(New Date ()). Format ("yyyy-m-d h:m:s.s") ==> 2006-7-2 8:9:4.18Date.prototype.Format =function(FMT) {//Author:meizz varo = { "m+": This. GetMonth () +1,//Month"D+": This. GetDate (),//Day"H +": This. GetHours (),//hours"m+": This. getminutes (),//points"S+": This. getseconds (),//seconds"q+": Math.floor (( This. GetMonth () +3)/3),//Quarterly "S": This. Getmilliseconds ()//milliseconds }; if(/(y+)/. Test (FMT) FMT=fmt.replace (Regexp.$1, ( This. getFullYear () + ""). substr (4-regexp.$1. length)); for(varKincho)if(NewRegExp ("(" + K + ")"). Test (FMT) FMT= Fmt.replace (regexp.$1, (regexp.$1.length==1)? (O[k]): (("XX" + o[k]). substr ("" +o[k])); returnFMT;
}
Method Two:
/** * For the extension of date, convert date to a specified format of string * months (M), Day (d), 12 hours (h), 24 hours (h), minutes (m), seconds (s), Weeks (E), quarter (q) can use 1-2 placeholders * Year (Y) can be used with 1-4 placeholders, milliseconds (S) can only be used with 1 placeholders (1-3 digits) * Eg: * (new Date ()). Pattern ("Yyyy-mm-dd hh:mm:ss. S ") ==> 2006-07-02 08:09:04.423 * (New Date ()). Pattern (" Yyyy-mm-dd E HH:mm:ss ") ==> 2009-03-10 II 20:09:04 * (new Date ()). Pattern ("Yyyy-mm-dd EE hh:mm:ss") ==> 2009-03-10 Tuesday 08:09:04 * (new Date ()). Pattern ("yyyy-mm- DD EEE hh:mm:ss ") ==> 2009-03-10 Tuesday 08:09:04 * (New Date ()). Pattern (" yyyy-m-d h:m:s.s ") ==> 2006-7-2 8:9:4.1 8*/Date.prototype.pattern=function(FMT) {varo = { "m+": This. GetMonth () +1,//Month"D+": This. GetDate (),//Day"H +": This. getHours ()%12 = = 0? 12: This. GetHours ()%12,//hours"H +": This. GetHours (),//hours"m+": This. getminutes (),//points"S+": This. getseconds (),//seconds"q+": Math.floor (( This. GetMonth () +3)/3),//Quarterly "S": This. Getmilliseconds ()//milliseconds }; varWeek = { "0": "/u65e5", "1": "/u4e00", "2": "/u4e8c", "3": "/u4e09", "4": "/u56db", "5": "/u4e94", "6": "/U516D" }; if(/(y+)/. Test (FMT)) {FMT=fmt.replace (Regexp.$1, ( This. getFullYear () + ""). substr (4-regexp.$1. length)); } if(/(e+)/. Test (FMT)) {FMT=fmt.replace (regexp.$1, (regexp.$1.length>1)? (regexp.$1.length>2?) "/u661f/u671f": "/u5468"): "") +week[ This. GetDay () + ""]); } for(varKincho) { if(NewRegExp ("(" + K + ")"). Test (FMT)) {FMT= Fmt.replace (regexp.$1, (regexp.$1.length==1)? (O[k]): (("XX" + o[k]). substr ("" +o[k])); } } returnFMT; } varDate =NewDate (); Window.alert (Date.pattern ("Yyyy-mm-dd hh:mm:ss"));
JavaScript date format (JS dates formatted) (GO)