一个表单日期输入的JS脚本非常实用

<html>

<title>非常实用的选择输入日期的特效knowsky.com</title>

<head>

<!--

//==================================================== 参数设定部分 =======================================================

var bMoveable=true;//设置日历是否可以拖动

var _VersionInfo="Version:2.0"//版本信息

//==================================================== WEB 页面显示部分 =====================================================

var strFrame;//存放日历层的HTML代码

document.writeln('<iframe bgcolor="#000000" id=knowskyDateLayer Author=wayx frameborder=0 style="position: absolute; width: 186; height: 247; z-index: 9998; display: none"></iframe>');

strFrame='<style>';

strFrame+='INPUT.button{BORDER-RIGHT: #B3C9E1 1px solid;BORDER-TOP: #B3C9E1 1px solid;BORDER-LEFT: #B3C9E1 1px solid;';

strFrame+='BORDER-BOTTOM: #ff9900 1px solid;BACKGROUND-COLOR: #EDF2F8;font-family:宋体;}';

strFrame+='TD{FONT-SIZE: 9pt;font-family:宋体;}';

strFrame+='</style>';

strFrame+='<scr' + 'ipt>';

strFrame+='var datelayerx,datelayery;/*存放日历控件的鼠标位置*/';

strFrame+='var bDrag;/*标记是否开始拖动*/';

strFrame+='function document.onmousemove()/*在鼠标移动事件中，如果开始拖动日历，则移动日历*/';

strFrame+='{if(bDrag && window.event.button==1)';

strFrame+='{var DateLayer=parent.document.all.knowskyDateLayer.style;';

strFrame+='DateLayer.posLeft += window.event.clientX-datelayerx;/*由于每次移动以后鼠标位置都恢复为初始的位置，因此写法与div中不同*/';

strFrame+='DateLayer.posTop += window.event.clientY-datelayery;}}';

strFrame+='function DragStart()/*开始日历拖动*/';

strFrame+='{var DateLayer=parent.document.all.knowskyDateLayer.style;';

strFrame+='datelayerx=window.event.clientX;';

strFrame+='datelayery=window.event.clientY;';

strFrame+='bDrag=true;}';

strFrame+='function DragEnd(){/*结束日历拖动*/';

strFrame+='bDrag=false;}';

strFrame+='</scr' + 'ipt>';

strFrame+='<div style="z-index:9999;position: absolute; left:0; top:0;" onselectstart="return false"><span id=tmpSelectYearLayer Author=wayx style="z-index: 9999;position: absolute;top: 3; left: 19;display: none"></span>';

strFrame+='<span id=tmpSelectMonthLayer Author=wayx style="z-index: 9999;position: absolute;top: 3; left: 78;display: none"></span>';

strFrame+='<table style="FILTER:dropshadow(color=#EDEDF8,offx=3.3,offy=3.3,positive=1);" cellSpacing="0" cellPadding="0" width="100%" border="0"><tr><td>';

// 控件边框颜色

strFrame+='<table border=1 cellspacing=0 cellpadding=0 width=182 height=160 bgColor="#FFFFFF" borderColorLight=#7197CA borderColorDark="#ffffff" Author="wayx">';

strFrame+=' <tr Author="wayx"><td width=182 height=23 Author="wayx" bgcolor=#FFFFFF><table border=0 cellspacing=1 cellpadding=0 width=180 Author="wayx" height=23>';

strFrame+=' <tr align=center Author="wayx"><td width=16 align=center bgcolor=#B6CAE4 style="font-size:12px;cursor: hand;color: #ffffff" ';

strFrame+=' onclick="parent.knowskyPrevM()" title="向前翻 1 月" Author=knowsky><b Author=knowsky><</b>';

strFrame+=' </td><td width=60 align=center style="font-size:12px;cursor:default" Author=knowsky ';

strFrame+='onmouseover="style.backgroundColor=\'#D7E1F0\'" onmouseout="style.backgroundColor=\'white\'" ';

strFrame+='onclick="parent.tmpSelectYearInnerHTML(this.innerText.substring(0,4))" title="点击这里选择年份"><span Author=knowsky id=knowskyYearHead></span></td>';

strFrame+='<td width=48 align=center style="font-size:12px;cursor:default" Author=knowsky onmouseover="style.backgroundColor=\'#D7E1F0\'" ';

strFrame+=' onmouseout="style.backgroundColor=\'white\'" onclick="parent.tmpSelectMonthInnerHTML(this.innerText.length==3?this.innerText.substring(0,1):this.innerText.substring(0,2))"';

strFrame+=' title="点击这里选择月份"><span id=knowskyMonthHead Author=knowsky></span></td>';

strFrame+=' <td width=16 bgcolor=#B6CAE4 align=center style="font-size:12px;cursor: hand;color: #ffffff" ';

strFrame+=' onclick="parent.knowskyNextM()" title="向后翻 1 月" Author=knowsky><b Author=knowsky>></b></td></tr>';

strFrame+=' </table></td></tr>';

strFrame+=' <tr Author="wayx"><td width=180 height=18 Author="wayx">';

strFrame+='<table border=1 cellspacing=0 cellpadding=0 bgcolor=#618BC5 ' + (bMoveable? 'onmousedown="DragStart()" onmouseup="DragEnd()"':'');

strFrame+=' BORDERCOLORLIGHT=#3677b1 bgcolor=#5168C8 BORDERCOLORDARK=#FFFFFF width="100%" height=25 Author="wayx" style="cursor:' + (bMoveable ? 'move':'default') + '">';

strFrame+='<tr Author="wayx" valign="middle" align="center"><td style="font-size:12px;color:#FFFFFF" Author=knowsky><b>日</b></td>';

strFrame+='<td style="font-size:12px;color:#FFFFFF" Author=knowsky><b>一</b></td><td style="font-size:12px;color:#FFFFFF" Author=knowsky><b>二</b></td>';

strFrame+='<td style="font-size:12px;color:#FFFFFF" Author=knowsky><b>三</b></td><td style="font-size:12px;color:#FFFFFF" Author=knowsky><b>四</b></td>';

strFrame+='<td style="font-size:12px;color:#FFFFFF" Author=knowsky><b>五</b></td><td style="font-size:12px;color:#FFFFFF" Author=knowsky><b>六</b></td></tr>';

strFrame+='</table></td></tr>';

strFrame+=' <tr Author="wayx"><td width="100%" height=120 Author="wayx">';

strFrame+=' <table border=1 cellspacing=2 cellpadding=0 borderColorDark=#ffffff bgColor=#FFFFFF borderColorLight=#83A4D1 width="100%" height=120 Author="wayx">';

var n=0; for (j=0;j<5;j++){ strFrame+= ' <tr align=center Author="wayx">'; for (i=0;i<7;i++){

strFrame+='<td width=25 height=25 id=knowskyDay'+n+' style="font-size:12px" Author=knowsky onclick=parent.knowskyDayClick(this.innerText,0)></td>';n++;}

strFrame+='</tr>';}

strFrame+=' <tr align=center Author="wayx">';

for (i=35;i<39;i++)strFrame+='<td width=25 height=25 id=knowskyDay'+i+' style="font-size:12px" Author=wayx onclick="parent.knowskyDayClick(this.innerText,0)"></td>';

strFrame+=' <td colspan=3 align=right Author=knowsky><span onclick=parent.closeLayer() style="font-size:12px;cursor: hand"';

strFrame+=' Author=knowsky title="' + _VersionInfo + '"><u>关闭</u></span> </td></tr>';

strFrame+=' </table></td></tr><tr Author="wayx"><td Author="wayx">';

strFrame+=' <table border=0 cellspacing=1 cellpadding=0 width=100% Author="wayx" bgcolor=#FFFFFF>';

strFrame+=' <tr Author="wayx"><td Author=knowsky align=left><input Author=knowsky type=button class=button style="cursor:hand" value="<<" title="向前翻 1 年" onclick="parent.knowskyPrevY()" ';

strFrame+=' onfocus="this.blur()" style="font-size: 12px; height: 20px"><input Author=knowsky class=button title="向前翻 1 月" type=button ';

strFrame+=' value="< " style="cursor:hand" onclick="parent.knowskyPrevM()" onfocus="this.blur()" style="font-size: 12px; height: 20px"></td><td ';

strFrame+=' Author=knowsky align=center><input Author=knowsky style="cursor:hand" type=button class=button value=Today onclick="parent.knowskyToday()" ';

strFrame+=' onfocus="this.blur()" title="当前日期" style="font-size: 12px; height: 20px; cursor:hand"></td><td ';

strFrame+=' Author=knowsky align=right><input Author=knowsky type=button class=button value=" >" style="cursor:hand" onclick="parent.knowskyNextM()" ';

strFrame+=' onfocus="this.blur()" title="向后翻 1 月" class=button style="font-size: 12px; height: 20px"><input ';

strFrame+=' Author=knowsky type=button class=button style="cursor:hand" value=">>" title="向后翻 1 年" onclick="parent.knowskyNextY()"';

strFrame+=' onfocus="this.blur()" style="font-size: 12px; height: 20px"></td>';

strFrame+='</tr></table></td></tr></table></td></tr></table></div>';

window.frames.knowskyDateLayer.document.writeln(strFrame);

window.frames.knowskyDateLayer.document.close();//解决ie进度条不结束的问题

//==================================================== WEB 页面显示部分 ======================================================

var outObject;

var outButton;//点击的按钮

var outDate="";//存放对象的日期

var odatelayer=window.frames.knowskyDateLayer.document.all;//存放日历对象

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.knowskyDateLayer.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;

outButton = (arguments.length == 1) ? null : th;//设定外部点击的按钮

//根据当前输入框的日期显示日历的年月

var reg = /^(\d+)-(\d{1,2})-(\d{1,2})$/;

var r = outObject.value.match(reg);

if(r!=null){

r[2]=r[2]-1;

var d= new Date(r[1], r[2],r[3]);

if(d.getFullYear()==r[1] && d.getMonth()==r[2] && d.getDate()==r[3]){

outDate=d;//保存外部传入的日期

}

else outDate="";

knowskySetDay(r[1],r[2]+1);

}

else{

outDate="";

knowskySetDay(new Date().getFullYear(), new Date().getMonth() + 1);

}

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

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

var knowskyWDay=new Array(39); //定义写日期的数组

function document.onclick() //任意点击时关闭该控件//ie6的情况可以由下面的切换焦点处理代替

{

with(window.event)

{ if (srcElement.getAttribute("Author")==null && srcElement != outObject && srcElement != outButton)

closeLayer();

}

function document.onkeyup()//按Esc键关闭，切换焦点关闭

{

if (window.event.keyCode==27){

if(outObject)outObject.blur();

closeLayer();

}

else if(document.activeElement)

if(document.activeElement.getAttribute("Author")==null && document.activeElement != outObject && document.activeElement != outButton)

{

closeLayer();

}

function knowskyWriteHead(yy,mm) //往 head 中写入当前的年与月

{

odatelayer.knowskyYearHead.innerText = yy + " 年";

odatelayer.knowskyMonthHead.innerText = mm + " 月";

}

function tmpSelectYearInnerHTML(strYear) //年份的下拉框

{

if (strYear.match(/\D/)!=null){alert("年份输入参数不是数字！");return;}

var m = (strYear) ? strYear : new Date().getFullYear();

if (m < 1000 || m > 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 = " <select Author=knowsky name=tmpSelectYear style='font-size: 12px' "

s += "onblur='document.all.tmpSelectYearLayer.style.display=\"none\"' "

s += "onchange='document.all.tmpSelectYearLayer.style.display=\"none\";"

s += "parent.knowskyTheYear = this.value; parent.knowskySetDay(parent.knowskyTheYear,parent.knowskyTheMonth)'>\r\n";

var selectInnerHTML = s;

for (var i = n; i < n + 26; i++)

{

if (i == m)

{selectInnerHTML += "<option Author=wayx value='" + i + "' selected>" + i + "年" + "</option>\r\n";}

else {selectInnerHTML += "<option Author=wayx value='" + i + "'>" + i + "年" + "</option>\r\n";}

}

selectInnerHTML += "</select>";

odatelayer.tmpSelectYearLayer.style.display="";

odatelayer.tmpSelectYearLayer.innerHTML = selectInnerHTML;

odatelayer.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 = " <select Author=knowsky name=tmpSelectMonth style='font-size: 12px' "

s += "onblur='document.all.tmpSelectMonthLayer.style.display=\"none\"' "

s += "onchange='document.all.tmpSelectMonthLayer.style.display=\"none\";"

s += "parent.knowskyTheMonth = this.value; parent.knowskySetDay(parent.knowskyTheYear,parent.knowskyTheMonth)'>\r\n";

var selectInnerHTML = s;

for (var i = 1; i < 13; i++)

{

if (i == m)

{selectInnerHTML += "<option Author=wayx value='"+i+"' selected>"+i+"月"+"</option>\r\n";}

else {selectInnerHTML += "<option Author=wayx value='"+i+"'>"+i+"月"+"</option>\r\n";}

}

selectInnerHTML += "</select>";

odatelayer.tmpSelectMonthLayer.style.display="";

odatelayer.tmpSelectMonthLayer.innerHTML = selectInnerHTML;

odatelayer.tmpSelectMonth.focus();

}

function closeLayer() //这个层的关闭

{

document.all.knowskyDateLayer.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 knowskyPrevY() //往前翻 Year

{

if(knowskyTheYear > 999 && knowskyTheYear <10000){knowskyTheYear--;}

else{alert("年份超出范围（1000-9999）！");}

knowskySetDay(knowskyTheYear,knowskyTheMonth);

}

function knowskyNextY() //往后翻 Year

{

if(knowskyTheYear > 999 && knowskyTheYear <10000){knowskyTheYear++;}

else{alert("年份超出范围（1000-9999）！");}

knowskySetDay(knowskyTheYear,knowskyTheMonth);

}

function knowskyToday() //Today Button

{

var today;

knowskyTheYear = new Date().getFullYear();

knowskyTheMonth = new Date().getMonth()+1;

today=new Date().getDate();

//knowskySetDay(knowskyTheYear,knowskyTheMonth);

if(outObject){

outObject.value=knowskyTheYear + "-" + knowskyTheMonth + "-" + today;

}

closeLayer();

}

function knowskyPrevM() //往前翻月份

{

if(knowskyTheMonth>1){knowskyTheMonth--}else{knowskyTheYear--;knowskyTheMonth=12;}

knowskySetDay(knowskyTheYear,knowskyTheMonth);

}

function knowskyNextM() //往后翻月份

{

if(knowskyTheMonth==12){knowskyTheYear++;knowskyTheMonth=1}else{knowskyTheMonth++}

knowskySetDay(knowskyTheYear,knowskyTheMonth);

}

function knowskySetDay(yy,mm) //主要的写程序**********

{

knowskyWriteHead(yy,mm);

//设置当前年月的公共变量为传入值

knowskyTheYear=yy;

knowskyTheMonth=mm;

for (var i = 0; i < 39; i++){knowskyWDay[i]=""}; //将显示框的内容全部清空

var day1 = 1,day2=1,firstday = new Date(yy,mm-1,1).getDay(); //某月第一天的星期几

for (i=0;i<firstday;i++)knowskyWDay[i]=GetMonthCount(mm==1?yy-1:yy,mm==1?12:mm-1)-firstday+i+1//上个月的最后几天

for (i = firstday; day1 < GetMonthCount(yy,mm)+1; i++){knowskyWDay[i]=day1;day1++;}

for (i=firstday+GetMonthCount(yy,mm);i<39;i++){knowskyWDay[i]=day2;day2++}

for (i = 0; i < 39; i++)

{ var da = eval("odatelayer.knowskyDay"+i) //书写新的一个月的日期星期排列

if (knowskyWDay[i]!="")

{

//初始化边框

da.borderColorLight="#76A0CF";

da.borderColorDark="#76A0CF";

if(i<firstday)//上个月的部分

{

da.innerHTML="<font style=' color: #B5C5D2;'>" + knowskyWDay[i] + "</font>";

da.title=(mm==1?12:mm-1) +"月" + knowskyWDay[i] + "日";

da.onclick=Function("knowskyDayClick(this.innerText,-1)");

if(!outDate)

da.style.backgroundColor = ((mm==1?yy-1:yy) == new Date().getFullYear() &&

(mm==1?12:mm-1) == new Date().getMonth()+1 && knowskyWDay[i] == new Date().getDate()) ?

"#E4E3F2":"#FFFFFF";

else

{

da.style.backgroundColor =((mm==1?yy-1:yy)==outDate.getFullYear() && (mm==1?12:mm-1)== outDate.getMonth() + 1 &&

knowskyWDay[i]==outDate.getDate())? "#E8F5E7" : // 选中日期颜色

(((mm==1?yy-1:yy) == new Date().getFullYear() && (mm==1?12:mm-1) == new Date().getMonth()+1 &&

knowskyWDay[i] == new Date().getDate()) ? "#E4E3F2":"#FFFFFF"); // 当前系统时间颜色

//将选中的日期显示为凹下去

if((mm==1?yy-1:yy)==outDate.getFullYear() && (mm==1?12:mm-1)== outDate.getMonth() + 1 &&

knowskyWDay[i]==outDate.getDate())

{

//da.borderColorLight="#E4E3F2";

//da.borderColorDark="#E4E3F2"; // 选择日期边框颜色

}

else if (i>=firstday+GetMonthCount(yy,mm))//下个月的部分

{

da.innerHTML="<font style=' color: #B5C5D2;'>" + knowskyWDay[i] + "</font>";

da.title=(mm==12?1:mm+1) +"月" + knowskyWDay[i] + "日";

da.onclick=Function("knowskyDayClick(this.innerText,1)");

if(!outDate)

da.style.backgroundColor = ((mm==12?yy+1:yy) == new Date().getFullYear() &&

(mm==12?1:mm+1) == new Date().getMonth()+1 && knowskyWDay[i] == new Date().getDate()) ?

"#E4E3F2":"#FFFFFF";

else

{

da.style.backgroundColor =((mm==12?yy+1:yy)==outDate.getFullYear() && (mm==12?1:mm+1)== outDate.getMonth() + 1 &&

knowskyWDay[i]==outDate.getDate())? "#E8F5E7" : // 选中日期颜色

(((mm==12?yy+1:yy) == new Date().getFullYear() && (mm==12?1:mm+1) == new Date().getMonth()+1 &&

knowskyWDay[i] == new Date().getDate()) ? "#E4E3F2":"#FFFFFF"); // 当前系统时间

//将选中的日期显示为凹下去

if((mm==12?yy+1:yy)==outDate.getFullYear() && (mm==12?1:mm+1)== outDate.getMonth() + 1 &&

knowskyWDay[i]==outDate.getDate())

{

da.borderColorLight="#E4E3F2";

da.borderColorDark="#E4E3F2"; // 选择日期边框颜色

}

else//本月的部分

{

da.innerHTML="<font style=' color: #3E5468;'>" + knowskyWDay[i] + "</FONT>";

da.title=mm +"月" + knowskyWDay[i] + "日";

da.onclick=Function("knowskyDayClick(this.innerText,0)");//给td赋予onclick事件的处理

//如果是当前选择的日期，则显示亮蓝色的背景；如果是当前日期，则显示暗黄色背景

if(!outDate)

da.style.backgroundColor = (yy == new Date().getFullYear() && mm == new Date().getMonth()+1 && knowskyWDay[i] == new Date().getDate())?

"#FFFFFF":"#FFFFFF";

else

{

da.style.backgroundColor =(yy==outDate.getFullYear() && mm== outDate.getMonth() + 1 && knowskyWDay[i]==outDate.getDate())?

"#D5ECD2":((yy == new Date().getFullYear() && mm == new Date().getMonth()+1 && knowskyWDay[i] == new Date().getDate())?

"#E4E3F2":"#F8F8FC"); // 前一个当前系统时间,后一个是本月时间低色

//将选中的日期显示为凹下去

if(yy==outDate.getFullYear() && mm== outDate.getMonth() + 1 && knowskyWDay[i]==outDate.getDate())

{

//da.borderColorLight="#E4E3F2";

//da.borderColorDark="#E4E3F2"; // 选择日期边框颜色

}

da.style.cursor="hand"

da.onmouseover=Function("this.backgroundColor='#000000';this.borderColorDark='#000099';this.borderColorLight='#000099';");

da.onmouseout=Function("this.bgColor='#000000';this.borderColorDark='#9CBADE';this.borderColorLight='#9CBADE';");

}

else{da.innerHTML="";da.style.backgroundColor="";da.style.cursor="default";da.onmouseover=Function("this.backgroundColor='#000000';this.borderColorDark='#000099';this.borderColorLight='#000099';");

da.onmouseout=Function("this.bgColor='#000000';this.borderColorDark='#9CBADE';this.borderColorLight='#9CBADE';");}

}

function knowskyDayClick(n,ex) //点击显示框选取日期，主输入函数*************

{

var yy=knowskyTheYear;

var mm = parseInt(knowskyTheMonth)+ex;//ex表示偏移量，用于选择上个月份和下个月份的日期

//判断月份，并进行对应的处理

if(mm<1){

yy--;

mm=12+mm;

}

else if(mm>12){

yy++;

mm=mm-12;

}

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！");}

}

//-->

</script>

</head>

<body>

用鼠标点输入框可以看到效果

</body>

</html>

一个表单日期输入的JS脚本 非常实用

一个表单日期输入的JS脚本非常实用