在线演示： http://demo.Vevb.com/js/2012/js_date/
代码如下:
<html>
<head>
<title>Js日期选择器并自动加入到输入框中</title>
<meta http-equiv="content-Type" content="text/html;charset=gb2312">
<script type="text/javascript">
var gMonths=new Array("一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月");
var WeekDay=new Array("日","一","二","三","四","五","六");
var strToday="今天";
var strYear="年";
var strMonth="月";
var strDay="日";
var splitChar="-";
var startYear=2000;
var endYear=2050;
var dayTdHeight=12;
var dayTdTextSize=12;
var gcNotCurMonth="#E0E0E0";
var gcRestDay="#FF0000";
var gcWorkDay="#444444";
var gcMouseOver="#79D0FF";
var gcMouseOut="#F4F4F4";
var gcToday="#444444";
var gcTodayMouseOver="#6699FF";
var gcTodayMouseOut="#79D0FF";
var gdCtrl=new Object();
var goSelectTag=new Array();
var gdCurDate=new Date();
var giYear=gdCurDate.getFullYear();
var giMonth=gdCurDate.getMonth()+1;
var giDay=gdCurDate.getDate();
function $(){var elements=new Array();for(var i=0;i<arguments.length;i++) {var element=arguments[i];if(typeof(arguments[i])=='string'){element=document.getElementById(arguments[i]);}if(arguments.length==1){return element;}elements.Push(element);}return elements;}
Array.prototype.Push=function(){var startLength=this.length;for(var i=0;i<arguments.length;i++){this[startLength+i]=arguments[i];}return this.length;}
String.prototype.HexToDec=function(){return parseInt(this,16);}
String.prototype.cleanBlank=function(){return this.isEmpty()?"":this.replace(//s/g,"");}
function checkColor(){var color_tmp=(arguments[0]+"").replace(//s/g,"").toUpperCase();var model_tmp1=arguments[1].toUpperCase();var model_tmp2="rgb("+arguments[1].substring(1,3).HexToDec()+","+arguments[1].substring(1,3).HexToDec()+","+arguments[1].substring(5).HexToDec()+")";model_tmp2=model_tmp2.toUpperCase();if(color_tmp==model_tmp1 ||color_tmp==model_tmp2){return true;}return false;}
function $V(){return $(arguments[0]).value;}
function fPopCalendar(evt,popCtrl,dateCtrl){evt.cancelBubble=true;gdCtrl=dateCtrl;fSetYearMon(giYear,giMonth);var point=fGetXY(popCtrl);with($("calendardiv").style){left=point.x+"px";top=(point.y+popCtrl.offsetHeight+1)+"px";visibility='visible';zindex='99';position='absolute';}$("calendardiv").focus();}
function fSetDate(iYear,iMonth,iDay){var iMonthNew=new String(iMonth);var iDayNew=new String(iDay);if(iMonthNew.length<2){iMonthNew="0"+iMonthNew;}if(iDayNew.length<2){iDayNew="0"+iDayNew;}gdCtrl.value=iYear+splitChar+iMonthNew+splitChar+iDayNew;fHideCalendar();}
function fHideCalendar(){$("calendardiv").style.visibility="hidden";for(var i=0;i<goSelectTag.length;i++){goSelectTag[i].style.visibility="visible";}goSelectTag.length=0;}
function fSetSelected(){var iOffset=0;var iYear=parseInt($("tbSelYear").value);var iMonth=parseInt($("tbSelMonth").value);var aCell=$("cellText"+arguments[0]);aCell.bgColor=gcMouseOut;with(aCell){var iDay=parseInt(innerHTML);if(checkColor(style.color,gcNotCurMonth)){iOffset=(innerHTML>10)?-1:1;}iMonth+=iOffset;if(iMonth<1){iYear--;iMonth=12;}else if(iMonth>12){iYear++;iMonth=1;}}fSetDate(iYear,iMonth,iDay);}
