input 日期选择功能的javascript代码_时间日期

');
document.writeln('');
var outObject;
function setday(tt,obj) //主调函数
{
if (arguments.length > 2){alert("对不起！传入本控件的参数太多！");return;}
if (arguments.length == 0){alert("对不起！您没有传回本控件任何参数！");return;}
var dads = document.all.meizzDateLayer.style;var th = tt;
var ttop = tt.offsetTop; //TT控件的定位点高

var thei = tt.clientHeight; //TT控件本身的高
var tleft = tt.offsetLeft; //TT控件的定位点宽

var ttyp = tt.type; //TT控件的类型

while (tt = tt.offsetParent){ttop+=tt.offsetTop; tleft+=tt.offsetLeft;}
dads.top = (ttyp=="image")? ttop+thei : ttop+thei+6;
dads.left = tleft;
outObject = (arguments.length == 1) ? th : obj;
dads.display = '';
event.returnValue=false;
}　

var MonHead = new Array(12); //定义阳历中每个月的最大天数

MonHead[0] = 31; MonHead[1] = 28; MonHead[2] = 31; MonHead[3] = 30; MonHead[4] = 31; MonHead[5] = 30;
MonHead[6] = 31; MonHead[7] = 31; MonHead[8] = 30; MonHead[9] = 31; MonHead[10] = 30; MonHead[11] = 31;　

var meizzTheYear=new Date().getFullYear(); //定义年的变量的初始值

var meizzTheMonth=new Date().getMonth()+1; //定义月的变量的初始值

var meizzWDay=new Array(37); //定义写日期的数组　

function document.onclick() //任意点击时关闭该控件
{
with(window.event.srcElement)
{ if (tagName != "INPUT" && getAttribute("Author")==null)
{
document.all.meizzDateLayer.style.display="none";
//add on 2004-9-7
//begin
if (document.getElementsByTagName("select"))
{
var obj;
obj=document.getElementsByTagName("select");
for (i=0;i 9999) {alert("年份值不在 1000 到 9999 之间！");return;}
var n = m - 10;
if (n < 1000) n = 1000;
if (n + 26 > 9999) n = 9974;
var s = "\r\n";
var selectInnerHTML = s;
selectInnerHTML += "" + "..." + "\r\n";
for (var i = n; i < n + 26; i++)
{
if (i == m)
{selectInnerHTML += "" + i + "年" + "\r\n";}
else {selectInnerHTML += "" + i + "年" + "\r\n";}
}
selectInnerHTML += "" + "..." + "\r\n";
selectInnerHTML += "";
document.all.tmpSelectYearLayer.style.display="";
document.all.tmpSelectYearLayer.innerHTML = selectInnerHTML;
document.all.tmpSelectYear.focus();
}　

function tmpSelectMonthInnerHTML(strMonth) //月份的下拉框
{
if (strMonth.match(/\D/)!=null){alert("月份输入参数不是数字！");return;}
var m = (strMonth) ? strMonth : new Date().getMonth() + 1;
var s = "\r\n";
var selectInnerHTML = s;
for (var i = 1; i < 13; i++)
{
if (i == m)
{selectInnerHTML += ""+i+"月"+"\r\n";}
else {selectInnerHTML += ""+i+"月"+"\r\n";}
}
selectInnerHTML += "";
document.all.tmpSelectMonthLayer.style.display="";
document.all.tmpSelectMonthLayer.innerHTML = selectInnerHTML;
document.all.tmpSelectMonth.focus();
}　

function closeLayer() //这个层的关闭
{
document.all.meizzDateLayer.style.display="none";
}　

function document.onkeydown()
{
if (window.event.keyCode==27)document.all.meizzDateLayer.style.display="none";
}　

function IsPinYear(year) //判断是否闰平年

{
if (0==year%4&&((year%100!=0)||(year%400==0))) return true;else return false;
}　

function GetMonthCount(year,month) //闰年二月为29天

{
var c=MonHead[month-1];if((month==2)&&IsPinYear(year)) c++;return c;
}　

function GetDOW(day,month,year) //求某天的星期几

{
var dt=new Date(year,month-1,day).getDay()/7; return dt;
}　

function meizzPrevY() //往前翻 Year
{
if(meizzTheYear > 999 && meizzTheYear <10000){meizzTheYear--;}
else{alert("年份超出范围（1000-9999）！");}
meizzSetDay(meizzTheYear,meizzTheMonth);
}
function meizzNextY() //往后翻 Year
{
if(meizzTheYear > 999 && meizzTheYear <10000){meizzTheYear++;}
else{alert("年份超出范围（1000-9999）！");}
meizzSetDay(meizzTheYear,meizzTheMonth);
}
function meizzToday() //Today Button
{
meizzTheYear = new Date().getFullYear();
meizzTheMonth = new Date().getMonth()+1;
meizzSetDay(meizzTheYear,meizzTheMonth);
}
function meizzPrevM() //往前翻月份
{
if(meizzTheMonth>1){meizzTheMonth--}else{meizzTheYear--;meizzTheMonth=12;}
meizzSetDay(meizzTheYear,meizzTheMonth);
}
function meizzNextM() //往后翻月份
{
if(meizzTheMonth==12){meizzTheYear++;meizzTheMonth=1}else{meizzTheMonth++}
meizzSetDay(meizzTheYear,meizzTheMonth);
}　

function meizzSetDay(yy,mm) //主要的写程序**********
{
meizzWriteHead(yy,mm);
for (var i = 0; i < 37; i++){meizzWDay[i]=""}; //将显示框的内容全部清空

var day1 = 1,firstday = new Date(yy,mm-1,1).getDay(); //某月第一天的星期几

for (var i = firstday; day1 < GetMonthCount(yy,mm)+1; i++){meizzWDay[i]=day1;day1++;}
for (var i = 0; i < 37; i++)
{ var da = eval("document.all.meizzDay"+i) //书写新的一个月的日期星期排列

if (meizzWDay[i]!="")
{ da.innerHTML = "" + meizzWDay[i] + "";
da.style.backgroundColor = (yy == new Date().getFullYear() &&
mm == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate()) ? "#FFD700" : "#ADD8E6";
da.style.cursor="hand"
}
else{da.innerHTML="";da.style.backgroundColor="";da.style.cursor="default"}
}
}
function meizzDayClick(n) //点击显示框选取日期，主输入函数*************
{
var yy = meizzTheYear;
var mm = meizzTheMonth;
if (mm < 10){mm = "0" + mm;}
if (outObject)
{
if (!n) {outObject.value=""; return;}
if ( n < 10){n = "0" + n;}
outObject.value= yy + "-" + mm + "-" + n ; //注：在这里你可以输出改成你想要的格式
closeLayer();
}
else {closeLayer(); alert("您所要输出的控件对象并不存在！");}
}
meizzSetDay(meizzTheYear,meizzTheMonth)

[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]