<span>/*___ FILE: "JQUERY4U.datetime.js" ___*/ </span><span>;(function($) </span><span>{ </span> <span>/** </span><span> * jQuery Date and time functions - Complete List </span><span> */ </span> <span>var JQUERY4U = JQUERY4U || {}; </span> <span>JQUERY4U.DATETIME = </span> <span>{ </span> <span>/** </span><span> * Name of this class (used for error handling and/or debugging purposes) </span><span> * <span>@type String </span></span><span> */ </span> <span>name: 'JQUERY4U.DATETIME', </span> <span>init: function() </span> <span>{ </span> <span>JQUERY4U.UTIL.handleErrors(this); </span> <span>Date.prototype.<span>JQUERY4UFormat</span> = this.format; </span> <span>}, </span> <span>/** </span><span> * Return today's date in dd/mm/yyyy format </span><span> * <span>@returns <span>{String}</span> Date in dd/mm/yyyy format </span></span><span> */ </span> <span>todaysDate: function() </span> <span>{ </span> <span>return this.futureDateDays(0); </span> <span>}, </span> <span>/** </span><span> * Return tomorrow's date in dd/mm/yyyy format </span><span> * <span>@returns <span>{String}</span> Date in dd/mm/yyyy format </span></span><span> */ </span> <span>tomorrowsDate: function() </span> <span>{ </span> <span>return this.futureDateDays(1); </span> <span>}, </span> <span>/** </span><span> * Return date 7 days from now in dd/mm/yyyy format </span><span> * <span>@returns <span>{String}</span> Date in dd/mm/yyyy format </span></span><span> */ </span> <span>weekFromToday: function() </span> <span>{ </span> <span>return this.futureDateDays(7); </span> <span>}, </span> <span>/** </span><span> * Return the first day of the next month </span><span> * <span>@returns <span>{String}</span> Date in dd/mm/yyyy format </span></span><span> */ </span> <span>firstDayNextMonth: function() </span> <span>{ </span> <span>var today = new Date(); </span> nextMonth <span>= new Date(today.getFullYear(), today.getMonth() + 1, 1); </span> nextMonth<span>.getDate() +'/'+ (nextMonth.getMonth() + 1) +'/'+ nextMonth.getFullYear(); </span> <span>return this.leadingZero(nextMonth.getDate()) +'/'+ this.leadingZero(nextMonth.getMonth() + 1) +'/'+ nextMonth.getFullYear(); </span> <span>}, </span> <span>/** </span><span> * Returns x number of dates date in the future in dd/mm/yyyy format </span><span> * <span>@param <span>{Integer}</span> days Number of days into the future </span></span><span> * <span>@returns <span>{String}</span> Date in dd/mm/yyyy format </span></span><span> */ </span> <span>futureDateDays: function(days) </span> <span>{ </span> <span>var futureDate = new Date(); </span> futureDate<span>.setDate(futureDate.getDate() + days); </span> <span>return this.leadingZero(futureDate.getDate()) +'/'+ this.leadingZero(futureDate.getMonth() + 1) +'/'+ this.leadingZero(futureDate .getFullYear()); </span> <span>}, </span> <span>/** </span><span> * Return the current time in HHMM format </span><span> * <span>@returns <span>{String}</span> Time in HHMM (e.g. 23:12) format </span></span><span> */ </span> <span>timeHHMM: function() </span> <span>{ </span> <span>var today = new Date(); </span> <span>return this.leadingZero(today.getHours()) + this.leadingZero(today.getMinutes()); </span> <span>}, </span> <span>/** </span><span> * Return the current time in HHMMSS format </span><span> * <span>@returns <span>{String}</span> Time in HHMMSS (e.g. 23:12:33) format </span></span><span> */ </span> <span>timeHHMMSS: function() </span> <span>{ </span> <span>var today = new Date(); </span> <span>return this.leadingZero(today.getHours()) +':'+ this.leadingZero(today.getMinutes()) +':'+ this.leadingZero(today.getSeconds()); </span> <span>}, </span> <span>/** </span><span> * Takes a date string in Australian format and returns date string in US format </span><span> * <span>@param <span>{String}</span> dateStr Date in dd/mm/yyyy format </span></span><span> * <span>@param <span>{String}</span> <span>[separator=<span>"-"</span>]</span> separator character in return date string </span></span><span> * <span>@returns <span>{String}</span> date in mm/dd/yyyy format </span></span><span> */ </span> <span>convertUSFormat: function(dateStr<span>, separator</span>) </span> <span>{ </span> <span>var separator = (typeof(separator) == 'undefined') ? '-' : separator; </span> <span>var re = new RegExp('([0-9]{2})/([0-9]{2})/([0-9]{4})', 'm'); </span> <span>var matches = re.exec(dateStr); </span> <span>return matches[2] + separator + matches[1] + separator + matches[3]; </span> <span>}, </span> <span>/** </span><span> * Convert date in mm/dd/yyyy format and return in dd-mm-yyyy format (depending upon separator) </span><span> * <span>@param <span>{String}</span> dateStr Date in mm/dd/yyyy format </span></span><span> * <span>@param <span>{String}</span> <span>[separator=<span>"-"</span>]</span> Separator character in return date string </span></span><span> * <span>@returns <span>{String}</span> Date in mm-dd-yyyy format (presuming "-" is separator character) </span></span><span> */ </span> <span>convertUStoAUSDate: function(dateStr<span>, separator</span>) </span> <span>{ </span> <span>var separator = (typeof(separator) == 'undefined') ? '-' : separator; </span> <span>var re = new RegExp('([0-9]{2})/([0-9]{2})/([0-9]{4})', 'm'); </span> <span>var matches = re.exec(dateStr); </span> <span>return matches[2] + separator + matches[1] + separator + matches[3]; </span> <span>}, </span> <span>/** </span><span> * Return whether the supplied date components form the expected date </span><span> * <span>@param <span>{String}</span> year </span></span><span> * <span>@param <span>{String}</span> month </span></span><span> * <span>@param <span>{String}</span> day </span></span><span> * <span>@returns <span>{Boolean}</span> True if the date components match the date values in Date object </span></span><span> */ </span> <span>isValidDate: function(year<span>, month, day</span>) </span> <span>{ </span> <span>var dt = new Date(parseInt(year, 10), parseInt(month, 10)-1, parseInt(day, 10)); </span> <span>if(dt.getDate() != parseInt(day, 10) || dt.getMonth() != (parseInt(month, 10)-1) || dt.getFullYear() != parseInt(year, 10)) </span> <span>{ </span> <span>return false; </span> <span>} </span> <span>return true; </span> <span>}, </span> <span>/** </span><span> * Takes a date object and returns in yyyymmdd format </span><span> * <span>@param <span>{Date Object}</span> dateObj </span></span><span> * <span>@returns <span>{String}</span> Date in yyyymmdd format </span></span><span> */ </span> <span>dateToYYYYMMDD: function(dateObj) </span> <span>{ </span> <span>return (dateObj.getFullYear() + this.leadingZero(dateObj.getMonth() + 1) + this.leadingZero(dateObj.getDate())).toString(); </span> <span>}, </span> <span>/** </span><span> * Takes a date object and returns in ddmmyyyy format </span><span> * <span>@param <span>{Date Object}</span> dateObj </span></span><span> * <span>@returns <span>{String}</span> Date in ddmmyyyy format </span></span><span> */ </span> <span>dateToDDMMYYYY: function(dateObj) </span> <span>{ </span> <span>return (this.leadingZero(dateObj.getDate()) + this.leadingZero(dateObj.getMonth() + 1) + dateObj.getFullYear()).toString(); </span> <span>}, </span> <span>/** </span><span> * Takes a date string in dd/mm/yyyy format </span><span> * <span>@param <span>{String}</span> dateString Date in dd/mm/yyyy format </span></span><span> * <span>@returns <span>{Date Object}</span> Returns false if date sring is invalid </span></span><span> */ </span> <span>stringToDate: function(dateString) </span> <span>{ </span> <span>try </span> <span>{ </span> <span>var matches = dateString.match(/([0-9]{2})/([0-9]{2})/([0-9]{4})/); </span> <span>if(this.isValidDate(matches[3], matches[2], matches[1]) === false) </span> <span>{ </span> <span>return false; </span> <span>} </span> <span>return new Date(matches[3], parseInt(matches[2], 10)-1, parseInt(matches[1], 10)); </span> <span>} </span> <span>catch(e) </span> <span>{ </span> <span>return false; </span> <span>} </span> <span>}, </span> <span>/** </span><span> * Adds leading zero if passed value is single digit </span><span> * <span>@param <span>{String}</span> val </span></span><span> * <span>@returns <span>{String}</span> </span></span><span> */ </span> <span>leadingZero: function(val) </span> <span>{ </span> <span>var str = val.toString(); </span> <span>if(str.length == 1) </span> <span>{ </span> str <span>= '0' + str; </span> <span>} </span> <span>return str; </span> <span>}, </span> <span>/** </span><span> * Checks if return date is equal or after departure date </span><span> * <span>@param <span>{String}</span> departureDate </span></span><span> * <span>@param <span>{String}</span> returnDate </span></span><span> * <span>@returns <span>{Boolean}</span> </span></span><span> */ </span> <span>isDepartureReturnDateValid: function(departureDate<span>, returnDate</span>) </span> <span>{ </span> <span>var dep = this.stringToDate(departureDate); </span> <span>var ret = this.stringToDate(returnDate); </span> <span>if(dep > ret) </span> <span>{ </span> <span>return false; </span> <span>} </span> <span>return true; </span> <span>}, </span> <span>/** </span><span> * Detect whether the year supplied is a leap year </span><span> * <span>@param <span>{Integer}</span> year </span></span><span> * <span>@returns <span>{Boolean}</span> </span></span><span> */ </span> <span>isLeapYear: function(year) </span> <span>{ </span> year <span>= parseInt(year, 10); </span> <span>if(year % 4 == 0) </span> <span>{ </span> <span>if(year % 100 != 0) </span> <span>{ </span> <span>return true; </span> <span>} </span> <span>else </span> <span>{ </span> <span>if(year % 400 == 0) </span> <span>{ </span> <span>return true; </span> <span>} </span> <span>else </span> <span>{ </span> <span>return false; </span> <span>} </span> <span>} </span> <span>} </span> <span>return false; </span> <span>}, </span> <span>compareDates: function(<span>from, to</span>) </span> <span>{ </span> <span>var dateResult = to.getTime() - from.getTime(); </span> <span>var dateObj = {}; </span> dateObj<span>.weeks = Math.round(dateResult/(1000 * 60 * 60 * 24 * 7)); </span> dateObj<span>.days = Math.ceil(dateResult/(1000 * 60 * 60 * 24)); </span> dateObj<span>.hours = Math.ceil(dateResult/(1000 * 60 * 60)); </span> dateObj<span>.minutes = Math.ceil(dateResult/(1000 * 60)); </span> dateObj<span>.seconds = Math.ceil(dateResult/(1000)); </span> dateObj<span>.milliseconds = dateResult; </span> <span>return dateObj; </span> <span>}, </span> <span>compareDatesDDMMYYYY: function(<span>from, to</span>) </span> <span>{ </span> <span>from = from.split('/'); </span> <span>from = new Date(from[2], from[1], from[0]); </span> to <span>= to.split('/'); </span> to <span>= new Date(to[2], to[1], to[0]); </span> <span>return this.compareDates(from, to); </span> <span>}, </span> <span>/** </span><span> * Allow nice formatting of dates like PHP's Date function </span><span> * Derived from code written by Jac Wright at http://jacwright.com/projects/javascript/date_format </span><span> * <span>@param <span>{Date}</span> date JavaScript date object </span></span><span> * <span>@param <span>{String}</span> format Date format string </span></span><span> * <span>@returns <span>{String}</span> </span></span><span> */ </span> <span>format: function() </span> <span>{ </span> <span>var date, </span> format<span>, </span> args <span>= [].slice.call(arguments), </span> returnStr <span>= '', </span> curChar <span>= '', </span> months <span>= ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'], </span> days <span>= ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'], </span> methods <span>= </span> <span>{ </span> <span>// Day </span> <span>d: function() { return (date.getDate() < 10 ? '0' : '') + date.getDate(); }, </span> <span><span>D</span>: function() { return days[date.getDay()].substring(0, 3); }, </span> <span>j: function() { return date.getDate(); }, </span> <span>l: function() { return days[date.getDay()]; }, </span> <span><span>N</span>: function() { return date.getDay() + 1; }, </span> <span><span>S</span>: function() { return (date.getDate() % 10 == 1 && date.getDate() != 11 ? 'st' : (date.getDate() % 10 == 2 && date.getDate() != 12 ? 'nd' : (date.getDate() % 10 == 3 && date.getDate() != 13 ? 'rd' : 'th'))); }, </span> <span>w: function() { return date.getDay(); }, </span> <span>// Month </span> <span><span>F</span>: function() { return months[date.getMonth()]; }, </span> <span>m: function() { return (date.getMonth() < 9 ? '0' : '') + (date.getMonth() + 1); }, </span> <span><span>M</span>: function() { return months[date.getMonth()].substring(0, 3); }, </span> <span>n: function() { return date.getMonth() + 1; }, </span> <span><span>Y</span>: function() { return date.getFullYear(); }, </span> <span>y: function() { return ('' + date.getFullYear()).substr(2); }, </span> <span>// Time </span> <span>a: function() { return date.getHours() < 12 ? 'am' : 'pm'; }, </span> <span><span>A</span>: function() { return date.getHours() < 12 ? 'AM' : 'PM'; }, </span> <span>g: function() { return date.getHours() % 12 || 12; }, </span> <span><span>G</span>: function() { return date.getHours(); }, </span> <span>h: function() { return ((date.getHours() % 12 || 12) < 10 ? '0' : '') + (date.getHours() % 12 || 12); }, </span> <span><span>H</span>: function() { return (date.getHours() < 10 ? '0' : '') + date.getHours(); }, </span> <span>i: function() { return (date.getMinutes() < 10 ? '0' : '') + date.getMinutes(); }, </span> <span>s: function() { return (date.getSeconds() < 10 ? '0' : '') + date.getSeconds(); }, </span> <span>// Timezone </span> <span><span>O</span>: function() { return (-date.getTimezoneOffset() < 0 ? '-' : '+') + (Math.abs(date.getTimezoneOffset() / 60) < 10 ? '0' : '') + (Math.abs(date.getTimezoneOffset() / 60)) + '00'; }, </span> <span><span>P</span>: function() { return (-date.getTimezoneOffset() < 0 ? '-' : '+') + (Math.abs(date.getTimezoneOffset() / 60) < 10 ? '0' : '') + (Math.abs(date.getTimezoneOffset() / 60)) + ':' + (Math.abs(date.getTimezoneOffset() % 60) < 10 ? '0' : '') + (Math.abs(date.getTimezoneOffset() % 60)); }, </span> <span><span>T</span>: function() { var m = date.getMonth(); date.setMonth(0); var result = date.toTimeString().replace(<span>/<span>^.+ (?(<span>[^)]</span>+))?$</span>/</span>, ''); date.setMonth(m); return result;}, </span> <span><span>Z</span>: function() { return -date.getTimezoneOffset() * 60; }, </span> <span>// Full Date/Time </span> <span>c: function() { return date.format("Y-m-d") + "T" + date.format("H:i:sP"); }, </span> <span>r: function() { return date.toString(); }, </span> <span><span>U</span>: function() { return date.getTime() / 1000; } </span> <span>}; </span> <span>if(typeof this.getMonth == 'function') </span> <span>{ </span> date <span>= this; </span> format <span>= args[0]; </span> <span>} </span> <span>else </span> <span>{ </span> date <span>= args[0]; </span> format <span>= args[1]; </span> <span>} </span> <span>for(var i = 0; i < format.length; i++) </span> <span>{ </span> <span>var curChar = format.charAt(i); </span> <span>if(methods[curChar]) </span> <span>{ </span> returnStr <span>+= methods[curChar].call(); </span> <span>} </span> <span>else </span> <span>{ </span> returnStr <span>+= curChar; </span> <span>} </span> <span>} </span> <span>return returnStr; </span> <span>} </span> <span>}; </span> <span>JQUERY4U.DATETIME.init(); </span><span>})(jQuery);</span>
Wie kann ich ein Datum in JavaScript formatieren? Die häufigste Methode besteht darin, die Funktion für toDateString () zu verwenden, die ein Datum in ein lesbareres Format umwandelt. Sie können auch Methoden wie TolocaledateString () oder toiString () verwenden, um das Datum gemäß dem Gebietsschema bzw. im ISO -Standardformat zu formatieren. Um zum Beispiel 5 Tage zum aktuellen Datum hinzuzufügen, würden Sie den folgenden Code verwenden:
Wie kann ich ein bestimmtes Datum und eine bestimmte Uhrzeit in JavaScript festlegen? Beachten Sie, dass der Monat null basiert, so dass der Januar 0, Februar 1 ist und so weiter.
Das obige ist der detaillierte Inhalt vonJQuery DateTime -Funktionen - Vollständige Auflistung. Für weitere Informationen folgen Sie bitte anderen verwandten Artikeln auf der PHP chinesischen Website!