js中怎么把日期转换成数字？
方法主要有二种：转换函数、强制类型转换。
绛旓細鎬庢牱鎶date鍨嬪埆杞崲涓string鍨嬪埆 Date鍨嬪埆杞琒tring 涓 String杞珼ate鍨嬪埆锛岃繖涓瀷鍒湪jsp/servlet涓鎵嬪姩杞崲锛岃屽湪struts2 涓細鑷姩杞崲 SimpleDateFormat 鏄竴涓互涓庤瑷鐜鏈夊叧鐨勬柟寮忔潵鏍煎紡鍖栧拰瑙ｆ瀽鏃ユ湡鐨鍏蜂綋绫汇傚畠鍏佽杩涜鏍煎紡鍖栵紙鏃ユ湡 -> 鏂囧瓧锛夈佽В鏋愶紙鏂囧瓧 -> 鏃ユ湡锛夊拰瑙勮寖鍖 :blogs./...
绛旓細js涓妸long鍨嬬殑鏃ユ湡杞崲鎴String绫诲瀷鐨勪唬鐮佸涓 Date.prototype.format = function(f){ var o ={ "M+" : this.getMonth()+1, //month "d+" : this.getDate(), //day "h+" : this.getHours(), //hour "m+" : this.getMinutes(), //minute "s+" :...
绛旓細JS涓鍦ㄥ仛鍊掕鏃惰繖涓姛鑳界殑鏃跺欏線寰瑕鎶婃棩鏈熻浆鎹㈡垚鏃堕棿鎴充互鍙婃妸鏃堕棿鎴宠浆鎹㈡垚鏃跺垎绉掋備粖澶╁皬缂栨垜灏辨潵鍒嗕韩涓涓婮avaScript 鏃ユ湡杞椂闂存埑浠ュ強 鏃堕棿鎴宠浆涓烘椂鍒嗙鐨勫摝銆傞鍏堜究鏄洿鎺ew Date鑾峰彇褰撳墠浠ュ強涓涓寚瀹氱殑鏃ユ湡銆 鐒跺悗鐢╣etTime鍗冲彲鎶婅繖涓や釜鏃ユ湡杞负鏃堕棿鎴充簡鍝︺傚鍥炬墍绀猴紝鎵撳嵃涔嬪悗鍙湅鍒颁袱涓崟浣嶆槸姣...
绛旓細濡傛灉闇瑕佷互鐗瑰畾鏍煎紡杈撳嚭鏃ユ湡鍜屾椂闂达紝鍙互浣跨敤`toDateString`鍜宍toTimeString`鏂规硶锛屾垨鑰呯粨鍚堜笂杩版柟娉曡嚜琛屾牸寮忓寲銆備緥濡傦細`let dateTimeString = year + '-' + month + '-' + date + ' ' + hours + ':' + minutes + ':' + seconds;`銆傝繖灏嗙敓鎴愪竴涓被浼间簬"2023-9-17 12:34:56"鐨勫瓧绗︿覆銆...
绛旓細浣犲ソ锛js涓Date绫绘病鏈夌洿鎺ユ牸寮忓寲鐨勬柟娉曪紝鎵浠ラ渶瑕佽嚜宸卞啓锛屼綘鍙渶灏嗕笅鍒椾唬鐮佸湪鏍煎紡鍖栧墠鍔犲叆锛屽嵆鍙娇鐢ㄣ備唬鐮佹憳鑷猦ttp://www.jb51.net/article/22657.htm銆備娇鐢ㄦ柟娉曞涓嬶細new Date().format('yyyyMMdd');Date.prototype.format = function(format){ var o = { "M+" : this.getMonth()+1, //month...
绛旓細鍦js涓锛屽皢涓涓瓧绗杞寲鎴Date鍨嬩篃涓嶆槸浠涔堥毦浜嬶細var str = '2013-08-30'; // 鏃ユ湡瀛楃涓 str = str.replace(/-/g,'/'); // 灏-鏇挎崲鎴/锛屽洜涓轰笅闈㈣繖涓瀯閫犲嚱鏁板彧鏀寔/鍒嗛殧鐨勬棩鏈熷瓧绗︿覆 var date = new Date(str); // 鏋勯犱竴涓棩鏈熷瀷鏁版嵁锛屽间负浼犲叆鐨勫瓧绗︿覆 鍦ㄤ笂闈紝new Date(str...
绛旓細浣跨敤姝ｅ垯琛ㄨ揪寮忓嵆鍙疄鐜般俽eg = /\-/g;浠ｇ爜妗堜緥锛氭樉绀烘晥鏋滐細
绛旓細var date=new Date(yyyy,mth,dd);濡傛灉浣犳寚瀹鏃ユ湡瀛楃涓诧紝閭ｄ箞灏辨妸鍓嶅洓涓斁鍦▂yyy閭ｉ噷锛岀劧鍚庢槸閫楀彿","锛宮th:鐢ㄦ暣鏁拌〃绀烘湀浠斤紝浠0锛1鏈堬級鍒11锛12鏈堬級锛屼綘杩欎釜鏄12鏈堬紝灏辩敤11锛宒d:琛ㄧず涓涓湀涓殑绗嚑澶╋紝浠1鍒31銆備綘杩欎釜灏卞簲璇ユ槸var date=new Date(2011,11,31);...
绛旓細绗簩姝ワ紝鍒涘缓涓涓猟ate瀵硅薄瀹炰緥锛岀劧鍚庢妸浠ヤ笂鏃堕棿鍒嗗壊骞杞崲涓烘暟瀛鐒跺悗璁剧疆杩涘幓锛岀劧鍚庢瘮杈冧竴涓嬪瓧绗︿覆鏄笉鏄浉绛夈傛庝箞鍒囧紑瀛楃涓叉垜灏变笉鍐欎簡锛屽緢瀹规槗鐨勩傛椂闂存瘮杈冪殑鏂规硶濡備笅锛歷ar date = new Date();date.setFullYear(2013, 2 - 1, 29); //js鐢0琛ㄧず1鏈堬紝鎵浠ユ湀浠-1锛3涓弬鏁板垎鍒槸骞存湀鏃date....
绛旓細var nowDate = new Date(); //褰撳墠鏃ユ湡 var year = nowDate.getYear(); //鑾峰緱骞 var Month = nowDate.getMonth(); //鑾峰緱鏈 var Date = nowDate.getDate(); //鑾峰緱鏃 var outputDate = year+'骞'+Month+'鏈'+Date+'鏃';灏辩闉嬩綘鐨勯棶棰橈細var myDate = new Date('2012-12...
