我是ASP网页,想实现这样功能:点击表单中的下拉菜单,出现一个显示日期的日历供选择,怎样实现啊!谢是不是需要日历控件啊?还是需要JS代码?请高手指点
參考答案:用别人写的javascript代码，呵呵：
<script src=uc.js></script>
<script language=javascript>
//拿过来就可以用，很简单。
//实例化时第一个参数是input的name；第二个参数是value，设为"today"就是当天。
var date1 = new UncCalendar ("date", "2008-08-08");
date1.display();
</script>
<br><br>
<script language=javascript>
//有一些属性，可以灵活的定制。
//事实上直接到uc.js中修改默认属性值使用起来会更方便一些，里面有注释。
var date2 = new UncCalendar ();
date2.inputName = "date"; //input的name。
date2.inputValue = "today"; //你会看到，input中将显示客户机系统当前时间。
date2.inputSize = 10; //input的size
date2.inputClass = ""; //input的class，这样你就能自己控制input的样式。
date2.color = "#000080"; //选择按钮、面板的边框以及日历中字的颜色。
date2.bgColor = "#EEEEFF"; //选择按钮、面板的背景色。
date2.buttonWidth = 60; //按钮宽度
date2.buttonWords = "选择日期"; //按钮显示的文字。
date2.canEdits = false; //input是否可以输入
date2.hidesSelects = true; //显增日期选择面板时是否隐藏页面中的select控件。
date2.display();
</script>
uc.js
function UncCalendar (sName, sDate)
{
/////////////////////////////////////////////////////////////////////////
//定义UncCalendar对象的属性并赋默认值。
//inputValue属性的值为"today"时表示（客户机）当前日期。
//直接在这里把默认值修改成你想要的，使用时你就什么也不用设置了。
this.inputName = sName || "uncDate";
this.inputValue = sDate || "";
this.inputSize = 10;
this.inputClass = "";
this.color = "#333333";
this.bgColor = "#EEEEEE";
this.buttonWidth = 60;
this.buttonWords = "选择日期";
this.canEdits = true;
this.hidesSelects = true;
/////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
//定义display方法。
this.display = function ()
{
var reDate = /^(19[7-9]\d|20[0-5]\d)\-(0?\d|1[0-2])\-([0-2]?\d|3[01])$/;
if (reDate.test(this.inputValue))
{
var dates = this.inputValue.split("-");
var year = parseInt(dates[0], 10);
var month = parseInt(dates[1], 10);
var mday = parseInt(dates[2], 10);
}
else
{
var today = new Date();
var year = today.getFullYear();
var month = today.getMonth()+1;
var mday = today.getDate();
}
if (this.inputValue == "today")
inputValue = year + "-" + month + "-" + mday;
else
inputValue = this.inputValue;
var lastDay = new Date(year, month, 0);
lastDay = lastDay.getDate();
var firstDay = new Date(year, month-1, 1);
firstDay = firstDay.getDay();
var btnBorder =
"border-left:1px solid " + this.color + ";" +
"border-right:1px solid " + this.color + ";" +
"border-top:1px solid " + this.color + ";" +
"border-bottom:1px solid " + this.color + ";";
var btnStyle =
"padding-top:3px;cursor:default;width:" + this.buttonWidth + "px;text-align:center;height:18px;top:-9px;" +
"font:normal 12px 宋体;position:absolute;z-index:99;background-color:" + this.bgColor + ";" +
"line-height:12px;" + btnBorder + "color:" + this.color + ";";
var boardStyle =
"position:absolute;width:1px;height:1px;background:" + this.bgColor + ";top:8px;border:1px solid "+
this.color + ";display:none;padding:3px;";
var buttonEvent =
" onmouseover=\"this.childNodes[0].style.borderBottom='0px';" +
"this.childNodes[1].style.display='';this.style.zIndex=100;" +
(this.hidesSelects ?
"var slts=document.getElementsByTagName('SELECT');" +
"for(var i=0;i<slts.length;i++)slts[i].style.visibility='hidden';"
: "") + "\"" +
" onmouseout=\"this.childNodes[0].style.borderBottom='1px solid " + this.color + "';" +
"this.childNodes[1].style.display='none';this.style.zIndex=99;" +
(this.hidesSelects ?
"var slts=document.getElementsByTagName('SELECT');" +
"for(var i=0;i<slts.length;i++)slts[i].style.visibility='';"
: "") + "\"" +
" onselectstart=\"return false;\"";
var mdayStyle = "font:normal 9px Verdana,Arial,宋体;line-height:12px;cursor:default;color:" + this.color;
var weekStyle = "font:normal 12px 宋体;line-height:15px;cursor:default;color:" + this.color;
var arrowStyle = "font:bold 7px Verdana,宋体;cursor:hand;line-height:16px;color:" + this.color;
var ymStyle = "font:bold 12px 宋体;line-height:16px;cursor:default;color:" + this.color;
var changeMdays =
"var year=parseInt(this.parentNode.cells[2].childNodes[0].innerText);" +
"var month=parseInt(this.parentNode.cells[2].childNodes[2].innerText);" +
"var firstDay=new Date(year,month-1,1);firstDay=firstDay.getDay();" +
"var lastDay=new Date(year,month,0);lastDay=lastDay.getDate();" +
"var tab=this.parentNode.parentNode, day=1;" +
"for(var row=2;row<8;row++)" +
" for(var col=0;col<7;col++){" +
" if(row==2&&col<firstDay){" +
" tab.rows[row].cells[col].innerHTML=' ';" +
" tab.rows[row].cells[col].isDay=0;}" +
" else if(day<=lastDay){" +
" tab.rows[row].cells[col].innerHTML=day;" +
" tab.rows[row].cells[col].isDay=1;day++;}" +
" else{" +
" tab.rows[row].cells[col].innerHTML='';" +
" tab.rows[row].cells[col].isDay=0;}" +
" }";
var pyEvent =
" onclick=\"var y=this.parentNode.cells[2].childNodes[0];y.innerText=parseInt(y.innerText)-1;" +
changeMdays + "\"";
var pmEvent =
" onclick=\"var y=this.parentNode.cells[2].childNodes[0];m=this.parentNode.cells[2].childNodes[2];" +
"m.innerText=parseInt(m.innerText)-1;if(m.innerText=='0'){m.innerText=12;y.innerText=" +
"parseInt(y.innerText)-1;}" + changeMdays + "\"";
var nmEvent =
" onclick=\"var y=this.parentNode.cells[2].childNodes[0];m=this.parentNode.cells[2].childNodes[2];" +
"m.innerText=parseInt(m.innerText)+1;if(m.innerText=='13'){m.innerText=1;y.innerText=" +
"parseInt(y.innerText)+1;}" + changeMdays + "\"";
var nyEvent =
" onclick=\"var y=this.parentNode.cells[2].childNodes[0];y.innerText=parseInt(y.innerText)+1;" +
changeMdays + "\"";
var mdayEvent =
" onmouseover=\"if(event.srcElement.tagName=='TD'&&event.srcElement.isDay){" +
"event.srcElement.style.backgroundColor='" + this.color + "';" +
"event.srcElement.style.color='" + this.bgColor + "';" +
"event.srcElement.style.cursor='hand';" +
"var ym=event.srcElement.parentNode.parentNode.rows[0].cells[2].childNodes;" +
"event.srcElement.title=ym[0].innerText+'-'+ym[2].innerText+'-'+event.srcElement.innerText;}\"" +
" onmouseout=\"if(event.srcElement.tagName=='TD'&&event.srcElement.isDay){" +
"event.srcElement.style.backgroundColor='" + this.bgColor + "';" +
"event.srcElement.style.color='" + this.color + "';" +
"event.srcElement.style.cursor='default';" +
"var ym=event.srcElement.parentNode.parentNode.rows[0].cells[2].childNodes;" +
"event.srcElement.title=ym[0].innerText+'-'+ym[2].innerText+'-'+event.srcElement.innerText;}\"" +
" onclick=\"if(event.srcElement.tagName=='TD'&&event.srcElement.isDay){" +
"var inp=this.parentNode.parentNode.parentNode.previousSibling.childNodes[0];" +
"inp.value=this.rows[0].cells[2].childNodes[0].innerText+'-'+this.rows[0].cells[2].childNodes[2]." +
"innerText+'-'+event.srcElement.innerText;" +
"this.parentNode.style.display='none';this.parentNode.parentNode.style.zIndex=99;" +
"this.parentNode.previousSibling.style.borderBottom='1px solid " + this.color + "';" +
(this.hidesSelects ?
"var slts=document.getElementsByTagName('SELECT');" +
"for(var i=0;i<slts.length;i++)slts[i].style.visibility='';"
: "") + "}\"";
var output = "";
output += "<table cellpadding=0 cellspacing=1 style='display:inline;'><tr>";
output += " <td><input size=" + this.inputSize + " maxlength=10 value=\"" + inputValue + "\"";
output += (this.canEdits ? "" : " readonly") + " name=\"" + this.inputName + "\"></td>";
output += " <td width=" + this.buttonWidth + ">";
output += " <div style=\"position:absolute;overflow:visible;width:0px;height:0px;\"" + buttonEvent + ">";
output += " <div style=\"" + btnStyle + "\"><nobr>" + this.buttonWords + "</nobr></div>";
output += " <div style=\"" + boardStyle + "\">";
output += " <table cellspacing=1 cellpadding=1 width=175" + mdayEvent + ">";
output += " <tr height=20 align=center>";
output += " <td style=\"" + arrowStyle + "\" title=\"上一年\"" + pyEvent + "><<</td>";
output += " <td style=\"" + arrowStyle + "\" align=left title=\"上个月\"" + pmEvent + "><</td>";
output += " <td colspan=3 style=\"" + ymStyle + "\" valign=bottom>";
output += " <span>" + year + "</span><span>年</span><span>" + month + "</span><span>月</span>";
output += " </td>";
output += " <td style=\"" + arrowStyle + "\" align=right title=\"下个月\"" + nmEvent + ">></td>";
output += " <td style=\"" + arrowStyle + "\" title=\"下一年\"" + nyEvent + ">>></td>";
output += " </tr>";
output += " <tr height=20 align=center bgcolor=" + this.bgColor + ">";
output += " <td width=14% style=\"" + weekStyle + "\">日</td>";
output += " <td width=14% style=\"" + weekStyle + "\">一</td>";
output += " <td width=14% style=\"" + weekStyle + "\">二</td>";
output += " <td width=14% style=\"" + weekStyle + "\">三</td>";
output += " <td width=14% style=\"" + weekStyle + "\">四</td>";
output += " <td width=14% style=\"" + weekStyle + "\">五</td>";
output += " <td width=14% style=\"" + weekStyle + "\">六</td>";
output += " </tr>";
var day = 1;
for (var row=0; row<6; row++)
{
output += "<tr align=center>";
for (var col=0; col<7; col++)
{
if (row == 0 && col < firstDay)
output += "<td style=\"" + mdayStyle + "\"> </td>";
else if (day <= lastDay)
{
output += "<td style=\"" + mdayStyle + "\" isDay=1>" + day + "</td>";
day++;
}
else
output += "<td style=\"" + mdayStyle + "\"></td>";
}
output += "</tr>";
}
output += " </table>";
output += " </div>";
output += " </div>";
output += " </td>";
output += "</tr></table>";
document.write(output);
}
/////////////////////////////////////////////////////////////////////////
}
