不錯的一個日期輸入動態

2019-11-21 02:28:31

字體：大中小

來源：轉載

供稿：網友

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<title>日期控件</title> 
<script> 
var agt = navigator.userAgent.toLowerCase(); 
var OldTextBox; 
function DateSeter(obj){ 
    var parent=obj.parentNode; 

    var selYear=document.createElement('SELECT'); 
    selYear.id='LoftyYear'; 
    parent.insertBefore(selYear,obj); 
    var selMonth=document.createElement('SELECT'); 
    selMonth.id='LoftyMonth'; 
    parent.insertBefore(selMonth,obj); 
    var selDay=document.createElement('SELECT'); 
    selDay.id='LoftyDay'; 
    parent.insertBefore(selDay,obj); 
    var btnSubmit=document.createElement('BUTTON'); 
    btnSubmit.style.width='22px'; 
    parent.insertBefore(btnSubmit,obj); 
    btnSubmit.id='LoftyBtn'; 
    for(s in btnSubmit) 
    { 
//document.write(s+'<br />'); 
    } 
    btnSubmit.textContent='OK'; 
    btnSubmit.value='OK'; 
    al(btnSubmit,'click','Restore()'); 
    OldTextBox=obj; 
    parent.removeChild(obj); 

    var now=new Date(); 
    var cYear=now.getFullYear(); 
    SetCurrentYear(selYear,cYear); 
    al(selYear,'change','SetCurrentYear(document.getElementById(/'LoftyYear/'))'); 
    al(selMonth,'change','SetDay(null,null)'); 
    for(i=1;i<=12;i++) 
    { 
        var op=new Option(i,i); 
        selMonth.options.add(op); 
    } 
    var cMonth=now.getMonth()+1; 
    SetDay(cYear,cMonth); 
    selDay.selectedIndex=now.getDate()-1; 
} 
function Restore() 
{ 
    var yy=document.getElementById('LoftyYear'); 
    var mm=document.getElementById('LoftyMonth'); 
    var d=document.getElementById('LoftyDay'); 
    var btn=document.getElementById('LoftyBtn'); 
    var time=yy.options[yy.selectedIndex].value+'-'+mm.options[mm.selectedIndex].value+'-'+d.options[d.selectedIndex].value; 
    OldTextBox.value=time; 
    var parent=yy.parentNode; 
    parent.insertBefore(OldTextBox,yy); 
    parent.removeChild(yy); 
    parent.removeChild(mm); 
    parent.removeChild(d); 
    parent.removeChild(btn); 
} 
function SetDay(year,month) 
{ 
    if(year==null){ 
        var yy=document.getElementById('LoftyYear'); 
        var mm=document.getElementById('LoftyMonth'); 
        year=Math.round(yy.options[yy.selectedIndex].value); 
        month=Math.round(mm.options[mm.selectedIndex].value); 
    } 
    var date=new Date(year,month,1); 
    date.setDate(0); 
    var maxdate=date.getDate(); 
    var obj=document.getElementById('LoftyDay'); 
    var seldate=obj.selectedIndex; 
    if(obj.options.length>0){ 
        if(Math.round(obj.options[obj.selectedIndex].value)>maxdate) 
        { 
            seldate=maxdate-1; 
        } 
    } 
        reAppendSelect(obj,1,maxdate,seldate+1); 
} 
function SetCurrentYear(selecter,currYear) 
{ 
    if(currYear==null){ 
        currYear=Math.round(selecter.options[selecter.selectedIndex].value); 
    } 
    reAppendSelect(selecter,currYear-10,currYear+10,currYear); 
} 
function reAppendSelect(selecter,startIndex,endIndex,selIndex) 
{ 
    while(selecter.options.length>0) 
    { 
        selecter.removeChild(selecter.options[selecter.options.length-1]); 
    } 
    for(i=startIndex;i<=endIndex;i++) 
    { 
        var op=new Option(i,i); 
        selecter.options.add(op); 
        op.selected=(selIndex==i); 
    } 
} 
function al(obj,lissener,func){ 
    if(agt.indexOf('firefox')!=-1){ 
        obj.addEventListener(lissener,function(){eval(func);},false); 
    }else{ 
        obj.attachEvent('on'+lissener,function(){eval(func);}); 
    } 
} 
</script> 
</head> 
<body> 
<input onclick="DateSeter(this);" /> 
</body> 
</html>

精簡只有年:

復制代碼代碼如下:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<title>日期控件</title> 
<script> 



var agt = navigator.userAgent.toLowerCase(); 
var OldTextBox; 
function DateSeter(obj){ 
    var parent=obj.parentNode; 

    var selYear=document.createElement('SELECT'); 
    selYear.id='LoftyYear'; 
    parent.insertBefore(selYear,obj); 
/* 
    var btnSubmit=document.createElement('BUTTON'); 
    btnSubmit.style.width='32px'; 
    parent.insertBefore(btnSubmit,obj); 
    btnSubmit.id='LoftyBtn'; 

    btnSubmit.textContent='OK'; 
    btnSubmit.value='OK'; 
    al(btnSubmit,'click','Restore()'); 
*/     
    OldTextBox=obj; 
    parent.removeChild(obj); 
    var defaultValue = obj.value; 
    var now=new Date(); 
    var cYear=now.getFullYear(); 
    SetCurrentYear(selYear,cYear,defaultValue); 
    al(selYear,'change','Restore(obj)'); 
} 
function Restore() 
{ 
OldTextBox.value = arguments[0].value; 
var yy=document.getElementById('LoftyYear'); 
var parent=yy.parentNode; 
parent.insertBefore(OldTextBox,yy); 
parent.removeChild(yy); 
/* 
    var yy=document.getElementById('LoftyYear'); 
    var btn=document.getElementById('LoftyBtn'); 
    var time=yy.options[yy.selectedIndex].value; 
    OldTextBox.value=time; 
    var parent=yy.parentNode; 
    parent.insertBefore(OldTextBox,yy); 
    parent.removeChild(yy); 
    parent.removeChild(btn); 
*/ 
} 
function SetCurrentYear(selecter,currYear) 
{ 
    if(currYear==null){ 
        currYear=Math.round(selecter.options[selecter.selectedIndex].value); 
    } 
    var dv = arguments[2]; 
    reAppendSelect(selecter,1901,2001,currYear,dv); 
} 
function reAppendSelect(selecter,startIndex,endIndex,selIndex) 
{ 
    while(selecter.options.length>0) 
    { 
        selecter.removeChild(selecter.options[selecter.options.length-1]); 
    } 
    for(i=startIndex;i<=endIndex;i++) 
    { 
        var op=new Option(i,i); 
        selecter.options.add(op); 
        if(arguments[4]!=""){ 
            if(i==arguments[4]) 
                op.selected=true; 
        }else{ 
            if (i==endIndex) 
                op.selected=true; 
        } 
    } 

} 
function al(obj,lissener,func){ 
    if(agt.indexOf('firefox')!=-1){ 
        obj.addEventListener(lissener,function(){eval(func);},false); 
    }else{ 
        obj.attachEvent('on'+lissener,function(){eval(func);}); 
    } 
} 


</script> 
</head> 

<body> 
<input onclick="DateSeter(this);" /> 
</body> 
</html>