本文實(shí)例講述了JS jQuery實(shí)現(xiàn)獲取時(shí)間的方法及常用類。分享給大家供大家參考，具體如下：
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<!DOCTYPE html><html><head> <meta charset="utf-8"> <title>JS獲取時(shí)間的方法及常用類</title> <style type="text/css"> input{ color:red; min-width: 250px; } /*設(shè)置placeholder的顏色*/ ::-webkit-input-placeholder { /* WebKit browsers */ color: #999; } :-moz-placeholder { /* Mozilla Firefox 4 to 18 */ color: #999; } ::-moz-placeholder { /* Mozilla Firefox 19+ */ color: #999; } :-ms-input-placeholder { /* Internet Explorer 10+ */ color: #999; } p{ width:100%;height:0px;border-top:1px orange dashed; } </style> <script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script></head><body> <h2>JS獲取時(shí)間的方法及常用類</h2> <h4>獲取當(dāng)前日期+時(shí)間</h4> <input type="text" name="myDate"> <hr> <h4>使用內(nèi)置的Date函數(shù)獲取javascript時(shí)間</h4> 當(dāng)前年：<input type="text" name="getFullYear"> <br> 當(dāng)前月：<input type="text" name="getMonth"> <font color="green">0-11,0代表一月份</font> <br> 當(dāng)前日：<input type="text" name="getDate"> <br> 當(dāng)前星期：<input type="text" name="getDay"> <font color="green">0-6,0代表周日</font> <br> 當(dāng)前時(shí)間戳(精確毫秒)：<input type="text" name="getTime"> <font color="green">從1970.1.1開始的毫秒數(shù)</font> <br> 當(dāng)前小時(shí)：<input type="text" name="getHours"> <font color="green">0-23</font> <br> 當(dāng)前分鐘：<input type="text" name="getMinutes"> <font color="green">0-59</font> <br> 當(dāng)前秒數(shù)：<input type="text" name="getSeconds"> <font color="green">0-59</font> <br> 當(dāng)前毫秒數(shù)：<input type="text" name="getMilliseconds"> <font color="green">0-999</font> <br> 當(dāng)前日期：<input type="text" name="nowDate"> <br> 當(dāng)前時(shí)間：<input type="text" name="nowTime"> <br> 當(dāng)前日期+時(shí)間：<input type="text" name="nowDateAddNowTime"> <br> <hr> <h4>日期時(shí)間腳本庫方法列表</h4> 判斷閏年： <input type="radio" name="isLeapYears" value="1">閏年 <input type="radio" name="isLeapYears" value="0">非閏年 <p></p> 日期格式化： <br/> 年份(YYYY/yyyy):<input type="text" name="formatYear1"> (YY/yy)：<input type="text" name="formatYear2"> <br/> 月份(MM):<input type="text" name="formatMonth1"> (M):<input type="text" name="formatMonth2"> <br/> 星期(W/w):<input type="text" name="formatWeek"> <br/> 日(DD/dd):<input type="text" name="formatDay1"> (D/d)：<input type="text" name="formatDay2"> <br/> 時(shí)(HH/hh):<input type="text" name="formatHour1"> (H/h)：<input type="text" name="formatHour2"> <br/> 分(mm):<input type="text" name="formatMinute1"> (m)：<input type="text" name="formatMinute2"> <br/> 秒(SS/S):<input type="text" name="formatSecond1"> (ss/s)：<input type="text" name="formatSecond2"> <br/> <p></p> 日期天數(shù)差:日期格式Y(jié)YYY-MM-dd <br> 起始日期:<input type="text" name="s_date" value="2018-08-01" /> 截止日期:<input type="text" name="e_date" value="2018-08-06" /> 日期差天數(shù):<input type="text" name="diff_date"> <p></p> 日期計(jì)算:返回對(duì)象數(shù)據(jù)格式:"2018-08-06T06:29:49.000Z",可以調(diào)用對(duì)象的方法，比如getFullYear(); <br> 當(dāng)前日期:<input type="text" name="date_now"><br/> 2秒后的時(shí)間:<input type="text" name="second_now"><br/> 2小時(shí)后的時(shí)間:<input type="text" name="hour_now"><br/> 2天后的時(shí)間:<input type="text" name="day_now"><br/> 2周后的時(shí)間:<input type="text" name="week_now"><br/> 一季度后的時(shí)間:<input type="text" name="quarter_now"><br/> 一個(gè)月后的時(shí)間:<input type="text" name="month_now"><br/> 一年后的時(shí)間:<input type="text" name="year_now"><br/> <p></p> 重載toString方法:"一"=====>"星期一" <br> <input type="text" name="reset_string"> <P></P> 日期合法性校驗(yàn)(年月日):正確格式Y(jié)YYY-MM-DD 或者 YYYY/MM/DD <br> 輸入日期： <input type="text" name="checkDate" placeholder="YYYY-MM-DD或YYYY/MM/DD"> <input type="button" name="checkInputDate" value="檢驗(yàn)" style="width:50px;"> <p></p> 日期合法性校驗(yàn)(年月日 時(shí)分秒):正確格式Y(jié)YYY-MM-DD HH:II:SS <br> 輸入日期： <input type="text" name="checkDate1" placeholder="YYYY-MM-DD HH:II:SS"> <input type="button" name="checkInputDate1" value="檢驗(yàn)1" style="width:50px;"> <hr> 日期分割成數(shù)組: <input type="text" name="splitDate"> <font color="green">取年份</font> <script type="text/javascript"> $(function(){ //獲取當(dāng)前日期+時(shí)間 var myDate = new Date(); var t = myDate.toLocaleString(); inputToValue('text','myDate',t); //============================================================ //使用內(nèi)置的Date函數(shù)獲取javascript時(shí)間 var newDate = new Date(); var getFullYear = newDate.getFullYear();//當(dāng)前年 inputToValue('text','getFullYear',getFullYear); var getMonth = newDate.getMonth();//當(dāng)前月 inputToValue('text','getMonth',getMonth); var getDate = newDate.getDate();//當(dāng)前日 inputToValue('text','getDate',getDate); var getDay = newDate.getDay();//當(dāng)前星期 inputToValue('text','getDay',getDay); var getTime = newDate.getTime();//當(dāng)前時(shí)間戳(精確毫秒) inputToValue('text','getTime',getTime); var getHours = newDate.getHours();//當(dāng)前小時(shí) inputToValue('text','getHours',getHours); var getMinutes = newDate.getMinutes();//當(dāng)前分鐘 inputToValue('text','getMinutes',getMinutes); var getSeconds = newDate.getSeconds();//當(dāng)前秒數(shù) inputToValue('text','getSeconds',getSeconds); var getMilliseconds = newDate.getMilliseconds();//當(dāng)前毫秒數(shù) inputToValue('text','getMilliseconds',getMilliseconds); var nowDate = newDate.toLocaleDateString();//當(dāng)前日期 inputToValue('text','nowDate',nowDate); var nowTime = newDate.toLocaleTimeString();//當(dāng)前時(shí)間 inputToValue('text','nowTime',nowTime); var nowDateAddNowTime = newDate.toLocaleString();//當(dāng)前時(shí)間 inputToValue('text','nowDateAddNowTime',nowDateAddNowTime); //============================================================ //檢測(cè)是否為閏年，方法一 Date.prototype.isLeapYears = function(){ return (this.getYear() % 4 == 0) && (this.getYear() % 100 != 0 || this.getYear() % 400 == 0); } var dd1 = new Date(); //檢測(cè)是否為閏年，方法二 function checkYear(year){ return (year % 4 == 0 && (year % 100 !=0 || year % 400 !=0)); } if(dd1.isLeapYears()){//checkYear(2018) $("input[type='radio'][name='isLeapYears'][value='1']").prop("checked",true); }else{ $("input[type='radio'][name='isLeapYears'][value='0']").prop("checked",true); } //日期格式化 Date.prototype.Format = function(formatStr){ var str = formatStr; var Week = ['日','一','二','三','四','五','六']; str=str.replace(/yyyy|YYYY/,this.getFullYear()); str=str.replace(/yy|YY/,(this.getYear() % 100)>9?(this.getYear() % 100).toString():'0' + (this.getYear() % 100)); str=str.replace(/MM/,this.getMonth()>9?this.getMonth().toString():'0' + this.getMonth()); str=str.replace(/M/g,this.getMonth()); str=str.replace(/w|W/g,Week[this.getDay()]); str=str.replace(/dd|DD/,this.getDate()>9?this.getDate().toString():'0' + this.getDate()); str=str.replace(/d|D/g,this.getDate()); str=str.replace(/hh|HH/,this.getHours()>9?this.getHours().toString():'0' + this.getHours()); str=str.replace(/h|H/g,this.getHours()); str=str.replace(/mm/,this.getMinutes()>9?this.getMinutes().toString():'0' + this.getMinutes()); str=str.replace(/m/g,this.getMinutes()); str=str.replace(/ss|SS/,this.getSeconds()>9?this.getSeconds().toString():'0' + this.getSeconds()); str=str.replace(/s|S/g,this.getSeconds()); return str; } var dd2 = new Date(); inputToValue('text','formatYear1',dd2.Format('YYYY'));//YYYY/yyyy inputToValue('text','formatYear2',dd2.Format('YY'));//YY/yy inputToValue('text','formatMonth1',dd2.Format('MM'));//MM inputToValue('text','formatMonth2',dd2.Format('M'));//M inputToValue('text','formatWeek',dd2.Format('W'));//W/w inputToValue('text','formatDay1',dd2.Format('DD'));//DD/dd inputToValue('text','formatDay2',dd2.Format('d'));//dd/d inputToValue('text','formatHour1',dd2.Format('HH'));//HH/hh inputToValue('text','formatHour2',dd2.Format('h'));//H/h inputToValue('text','formatMinute1',dd2.Format('mm'));//mm inputToValue('text','formatMinute2',dd2.Format('m'));//m inputToValue('text','formatSecond1',dd2.Format('SS'));//SS/ss inputToValue('text','formatSecond2',dd2.Format('s'));//S/s //日期天數(shù)差:日期格式Y(jié)YYY-MM-dd var s_date = $("input[type='text'][name='s_date']").val(); var e_date = $("input[type='text'][name='e_date']").val(); function daysBetween(DateOne,DateTwo) { var OneMonth = DateOne.substring(5,DateOne.lastIndexOf ('-')); var OneDay = DateOne.substring(DateOne.length,DateOne.lastIndexOf ('-')+1); var OneYear = DateOne.substring(0,DateOne.indexOf ('-')); var TwoMonth = DateTwo.substring(5,DateTwo.lastIndexOf ('-')); var TwoDay = DateTwo.substring(DateTwo.length,DateTwo.lastIndexOf ('-')+1); var TwoYear = DateTwo.substring(0,DateTwo.indexOf ('-')); var cha=((Date.parse(OneMonth+'/'+OneDay+'/'+OneYear)- Date.parse(TwoMonth+'/'+TwoDay+'/'+TwoYear))/86400000); return Math.abs(cha); } inputToValue('text','diff_date',daysBetween(s_date,e_date)); //日期計(jì)算，返回一段日期時(shí)間后的對(duì)象 Date.prototype.DateAdd = function(strInterval, Number) { var dtTmp = this; switch (strInterval) { case 's' :return new Date(Date.parse(dtTmp) + (1000 * Number)); case 'n' :return new Date(Date.parse(dtTmp) + (60000 * Number)); case 'h' :return new Date(Date.parse(dtTmp) + (3600000 * Number)); case 'd' :return new Date(Date.parse(dtTmp) + (86400000 * Number)); case 'w' :return new Date(Date.parse(dtTmp) + ((86400000 * 7) * Number)); case 'q' :return new Date(dtTmp.getFullYear(), (dtTmp.getMonth()) + Number*3, dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds());//一個(gè)季度 case 'm' :return new Date(dtTmp.getFullYear(), (dtTmp.getMonth()) + Number, dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds());//一個(gè)月 case 'y' :return new Date((dtTmp.getFullYear() + Number), dtTmp.getMonth(), dtTmp.getDate(), dtTmp.getHours(), dtTmp.getMinutes(), dtTmp.getSeconds()); } } var dd3 = new Date(); inputToValue('text','date_now',dd3.DateAdd('s',0)); inputToValue('text','second_now',dd3.DateAdd('s',2));//2秒后 inputToValue('text','hour_now',dd3.DateAdd('h',2));//2小時(shí)后 inputToValue('text','day_now',dd3.DateAdd('d',2));//2天后 inputToValue('text','week_now',dd3.DateAdd('w',2));//2周后 inputToValue('text','quarter_now',dd3.DateAdd('q',1));//一季度后 inputToValue('text','month_now',dd3.DateAdd('m',1));//一個(gè)月后 inputToValue('text','year_now',dd3.DateAdd('y',1));//一個(gè)年后 //重載系統(tǒng)的toString方法 Date.prototype.toString = function(showWeek) { var myDate= this; var str = myDate.toLocaleDateString();//保留年/月/日 if (showWeek) { var Week = ['日','一','二','三','四','五','六']; str += ' 星期' + Week[myDate.getDay()]; } return str; } var dd4 = new Date(); inputToValue('text','reset_string',dd4.toString("一")); //日期合法性校驗(yàn)，格式:YYYY-MM-DD或者YYYY/MM/DD,特殊情況如YYYY-MM/DD也能通過，后期處理 function checkAndGetValue(DateStr) { var sDate=DateStr.replace(/(^/s+|/s+$)/g,''); //去兩邊空格; if(sDate=='') return false; //正則表達(dá)式 patter = /^[/d]{4,4}[-/]{1}[/d]{1,2}[-/]{1}[/d]{1,2}$/;//不能加雙引號(hào) if(patter.test(sDate)){ var t = new Date(sDate.replace(//-/g,'/')); var ar = sDate.split(/[-/:]/); if(ar[0] != t.getFullYear() || ar[1] != t.getMonth()+1 || ar[2] != t.getDate()){ return false; }else{ return ar.join("-"); } }else{ return false; } } $("input[type='button'][name='checkInputDate']").click(function(){ $_a = $("input[type='text'][name='checkDate']"); var getCheckDateValue = $_a.val(); if(checkAndGetValue(getCheckDateValue)){ alert("校驗(yàn)通過：" + checkAndGetValue(getCheckDateValue)); }else{ $_a.val("");//不通過，清空輸入的值 alert("校驗(yàn)不通過"); } }); //日期合法性校驗(yàn) YYYY-MM-DD HH:II:SS function CheckDateTime(DateStr) { var reg = /^(/d+)-(/d{1,2})-(/d{1,2}) (/d{1,2}):(/d{1,2}):(/d{1,2})$/; var r = DateStr.match(reg); if(r==null) return false; r[2] = r[2]-1; var d = new Date(r[1],r[2],r[3],r[4],r[5],r[6]); if(d.getFullYear() != r[1]) return false; if(d.getMonth() != r[2]) return false; if(d.getDate() != r[3]) return false; if(d.getHours() != r[4]) return false; if(d.getMinutes() != r[5]) return false; if(d.getSeconds() != r[6]) return false; return true; } $("input[type='button'][name='checkInputDate1']").click(function(){ $_a = $("input[type='text'][name='checkDate1']"); var getCheckDateValue1 = $_a.val(); if(CheckDateTime(getCheckDateValue1)){ alert("校驗(yàn)通過"); }else{ $_a.val("");//不通過，清空輸入的值 alert("校驗(yàn)不通過"); } }); //把日期分割成數(shù)組 Date.prototype.toArray = function() { var myDate = this; var myArray = Array(); myArray[0] = myDate.getFullYear(); myArray[1] = myDate.getMonth() + 1; myArray[2] = myDate.getDate(); myArray[3] = myDate.getHours(); myArray[4] = myDate.getMinutes(); myArray[5] = myDate.getSeconds(); return myArray; } var dd5 = new Date(); $("input[name='splitDate']").val(dd5.toArray()[0]); //通用函數(shù) function inputToValue(type,name,value){ $("input[type="+ type +"][name="+ name +"]").val(value); } }) </script></body></html>希望本文所述對(duì)大家JavaScript程序設(shè)計(jì)有所幫助。
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