选择日期(一个)——显示在文本框中

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浏览效果http://www.webjx.com/htmldata/2006-06-16/1150439557.html

 

<scriptlanguage=javascript>
var DS_x,DS_y;

function dateSelector()//构造dateSelector对象,用来实现一个日历形式的日期输入框。
{
var myDate=new Date();
this.year=myDate.getFullYear();//定义year属性,年份,默认值为当前系统年份。
this.month=myDate.getMonth()+1;//定义month属性,月份,默认值为当前系统月份。
this.date=myDate.getDate();//定义date属性,日,默认值为当前系统的日。
this.inputName='';//定义inputName属性,即输入框的name,默认值为空。注意:在同一页中出现多个日期输入框,不能有重复的name!
this.display=display; //定义display方法,用来显示日期输入框。
}

function display()//定义dateSelector的display方法,它将实现一个日历形式的日期选择框。
{
var week=new Array('日','一','二','三','四','五','六');

document.write("<styletype=text/css>");
document.write(" .ds_font td,span { font: normal 12px 宋体; color:#000000; }");
document.write(" .ds_border { border: 1px solid #000000; cursor:hand; background-color: #DDDDDD }");
document.write(" .ds_border2 { border: 1px solid #000000; cursor:hand; background-color: #DDDDDD }");
document.write("</style>");

document.write("<inputstyle='text-align:center;' id='DS_"+this.inputName+"'name='"+this.inputName+"'value='"+this.year+"-"+this.month+"-"+this.date+"'title=双击可进行编缉 ondblclick='this.readOnly=false;this.focus()'onblur='this.readOnly=true' readonly>");
document.write("<buttonstyle='width:60px;height:18px;font-size:12px;margin:1px;border:1pxsolid #A4B3C8;background-color:#DFE7EF;' type=buttononclick=this.nextSibling.style.display='block'onfocus=this.blur()>选择日期</button>");

document.write("<divstyle='position:absolute;display:none;text-align:center;width:0px;height:0px;overflow:visible'onselectstart='return false;'>");
document.write(" <divstyle='position:absolute;left:-60px;top:20px;width:142px;height:165px;background-color:#F6F6F6;border:1pxsolid #245B7D;' class=ds_font>");
document.write(" <table cellpadding=0 cellspacing=1 width=140height=20 bgcolor=#CEDAE7onmousedown='DS_x=event.x-parentNode.style.pixelLeft;DS_y=event.y-parentNode.style.pixelTop;setCapture();'onmouseup='releaseCapture();' onmousemove='dsMove(this.parentNode)'style='cursor:move;'>");
document.write(" <tr align=center>");
document.write(" <td width=12%onmouseover=this.className='ds_border' onmouseout=this.className=''onclick=subYear(this)title='减小年份'><<</td>");
document.write(" <td width=12%onmouseover=this.className='ds_border' onmouseout=this.className=''onclick=subMonth(this) title='减小月份'><</td>");
document.write(" <tdwidth=52%><b>"+this.year+"</b><b>年</b><b>"+this.month+"</b><b>月</b></td>");
document.write(" <td width=12%onmouseover=this.className='ds_border' onmouseout=this.className=''onclick=addMonth(this) title='增加月份'>></td>");
document.write(" <td width=12%onmouseover=this.className='ds_border' onmouseout=this.className=''onclick=addYear(this)title='增加年份'>>></td>");
document.write(" </tr>");
document.write(" </table>");

document.write(" <tablecellpadding=0 cellspacing=0 width=140 height=20onmousedown='DS_x=event.x-parentNode.style.pixelLeft;DS_y=event.y-parentNode.style.pixelTop;setCapture();'onmouseup='releaseCapture();' onmousemove='dsMove(this.parentNode)'style='cursor:move;'>");
document.write(" <tr align=center>");
for(i=0;i<7;i++)
document.write(" <td>"+week[i]+"</td>");
document.write(" </tr>");
document.write(" </table>");

document.write(" <tablecellpadding=0 cellspacing=2 width=140 bgcolor=#EEEEEE>");
for(i=0;i<6;i++)
{
document.write(" <tr align=center>");
for(j=0;j<7;j++)
document.write(" <td width=10% height=16onmouseover=if(this.innerText!=''&&this.className!='ds_border2')this.className='ds_border'onmouseout=if(this.className!='ds_border2')this.className=''onclick=getvalue(this,document.all('DS_"+this.inputName+"'))></td>");
document.write(" </tr>");
}
document.write(" </table>");

document.write(" <spanstyle=cursor:handonclick=this.parentNode.parentNode.style.display='none'>【关闭】</span>");
document.write(" </div>");
document.write("</div>");

dateShow(document.all("DS_"+this.inputName).nextSibling.nextSibling.childNodes[0].childNodes[2],this.year,this.month)
}

function subYear(obj) //减小年份
{
varmyObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;
myObj[0].innerHTML=eval_r(myObj[0].innerHTML)-1;
dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval_r(myObj[0].innerHTML),eval_r(myObj[2].innerHTML))
}

function addYear(obj) //增加年份
{
varmyObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;
myObj[0].innerHTML=eval_r(myObj[0].innerHTML)+1;
dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval_r(myObj[0].innerHTML),eval_r(myObj[2].innerHTML))
}

function subMonth(obj) //减小月份
{
varmyObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;
var month=eval_r(myObj[2].innerHTML)-1;
if(month==0)
{
month=12;
subYear(obj);
}
myObj[2].innerHTML=month;
dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval_r(myObj[0].innerHTML),eval_r(myObj[2].innerHTML))
}

function addMonth(obj) //增加月份
{
varmyObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;
var month=eval_r(myObj[2].innerHTML)+1;
if(month==13)
{
month=1;
addYear(obj);
}
myObj[2].innerHTML=month;
dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval_r(myObj[0].innerHTML),eval_r(myObj[2].innerHTML))
}

function dateShow(obj,year,month)//显示各月份的日
{
var myDate=new Date(year,month-1,1);
var today=new Date();
var day=myDate.getDay();
varselectDate=obj.parentNode.parentNode.previousSibling.previousSibling.value.split('-');
var length;
switch(month)
{
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
length=31;
break;
case 4:
case 6:
case 9:
case 11:
length=30;
break;
case 2:
if((year%4==0)&&(year%100!=0)||(year%400==0))
length=29;
else
length=28;
}
for(i=0;i<obj.cells.length;i++)
{
obj.cells[i].innerHTML='';
obj.cells[i].style.color='';
obj.cells[i].className='';
}
for(i=0;i<length;i++)
{
obj.cells[i+day].innerHTML=(i+1);
if(year==today.getFullYear()&&(month-1)==today.getMonth()&&(i+1)==today.getDate())
obj.cells[i+day].style.color='red';
if(year==eval_r(selectDate[0])&&month==eval_r(selectDate[1])&&(i+1)==eval_r(selectDate[2]))
obj.cells[i+day].className='ds_border2';
}
}

function getvalue(obj,inputObj)//把选择的日期传给输入框
{
varmyObj=inputObj.nextSibling.nextSibling.childNodes[0].childNodes[0].cells[2].childNodes;
if(obj.innerHTML)
inputObj.value=myObj[0].innerHTML+"-"+myObj[2].innerHTML+"-"+obj.innerHTML;
inputObj.nextSibling.nextSibling.style.display='none';
for(i=0;i<obj.parentNode.parentNode.parentNode.cells.length;i++)
obj.parentNode.parentNode.parentNode.cells[i].className='';
obj.className='ds_border2'
}

function dsMove(obj)//实现层的拖移
{
if(event.button==1)
{
var X=obj.clientLeft;
var Y=obj.clientTop;
obj.style.pixelLeft=X+(event.x-DS_x);
obj.style.pixelTop=Y+(event.y-DS_y);
}
}
</script>

<script language=javascript>
var myDate=new dateSelector();
myDate.year--;
myDate.inputName='start_date';//注意这里设置输入框的name,同一页中日期输入框,不能出现重复的name。
myDate.display();
</script>

 

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