javascript实现的日期选择插件
来源:互联网 发布:遥知天下事 编辑:程序博客网 时间:2024/06/05 14:15
文件一:selectDate.js
- var DS_x,DS_y;
- function dateSelector() {
- var myDate=new Date();
- this.year=myDate.getFullYear();
- this.month=myDate.getMonth()+1;
- this.date=myDate.getDate();
- this.inputName='time';
- this.display=display;
- }
- function display()
- {
- var week=new Array('日','一','二','三','四','五','六');
- document.write("<style type=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>");
- var dateStr="<input style='text-align:center; background-color: #ffeeee;' id='DS_"+this.inputName+"' name='this.inputName' value='"+this.year+"-";
- if((""+this.month).length==1){
- dateStr+="0"+this.month;
- }else{
- dateStr+=this.month;
- }
- dateStr+="-";
- if((""+this.date).length==1){
- dateStr+="0"+this.date;
- }else{
- dateStr+=this.date;
- }
- dateStr+="' size='12' onblur='this.readOnly=true' readonly>";
- document.write(dateStr);
- document.write("<button type=button style='color:blue;' onclick=this.nextSibling.style.display='block' onfocus=this.blur()>选择日期</button>");
- document.write("<div style='position:absolute;display:none;text-align:center;width:0px;height:0px;overflow:visible' onselectstart='return false;'>");
- document.write(" <div style='position:absolute;left:-60px;top:20px;width:142px;height:165px;background-color:#F6F6F6;border:1px solid #245B7D;' class=ds_font>");
- document.write(" <table cellpadding=0 cellspacing=1 width=140 height=20 bgcolor=#CEDAE7 onmousedown='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(" <td width=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(" <table cellpadding=0 cellspacing=0 width=140 height=20 onmousedown='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=i+1)
- document.write(" <td>"+week[i]+"</td>");
- document.write(" </tr>");
- document.write(" </table>");
- document.write(" <table cellpadding=0 cellspacing=2 width=140 bgcolor=#EEEEEE>");
- for(i=0;i<6;i=i+1)
- {
- document.write(" <tr align=center>");
- for(j=0;j<7;j=j+1)
- document.write(" <td width=10% height=16 onmouseover=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(" <span style=cursor:hand onclick=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
- {
- var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;
- myObj[0].innerHTML=eval(myObj[0].innerHTML)-1;
- dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))
- }
- function addYear(obj) //增加年份
- {
- var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;
- myObj[0].innerHTML=eval(myObj[0].innerHTML)+1;
- dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))
- }
- function subMonth(obj) //减小月份
- {
- var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;
- var month=eval(myObj[2].innerHTML)-1;
- if(month==0)
- {
- month=12;
- subYear(obj);
- }
- if(month<10){
- }
- myObj[2].innerHTML=month;
- dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))
- }
- function addMonth(obj) //增加月份
- {
- var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;
- var month=eval(myObj[2].innerHTML)+1;
- if(month==13)
- {
- month=1;
- addYear(obj);
- }
- myObj[2].innerHTML=month;
- dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(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();
- var selectDate=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(selectDate[0])&&month==eval(selectDate[1])&&(i+1)==eval(selectDate[2]))
- obj.cells[i+day].className='ds_border2';
- }
- }
- function getValue(obj,inputObj) //把选择的日期传给输入框
- {
- var myObj=inputObj.nextSibling.nextSibling.childNodes[0].childNodes[0].cells[2].childNodes;
- if(obj.innerHTML){
- var month1=myObj[2].innerHTML;
- var date1=obj.innerHTML;
- if(month1<10)
- {
- month1="0"+month1;
- }
- if(date1<10){
- date1="0"+date1;
- }
- inputObj.value=myObj[0].innerHTML+"-"+month1+"-"+date1;
- }
- 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);
- }
- }
- var myDate=new dateSelector();
- myDate.year;
- myDate.inputName='time';
- myDate.display();
文件二:简单测试一下test.htm
- <html>
- <head>
- <title>知识库</title>
- </head>
- <body bgcolor="">
- <table>
- <tr align="center">
- <td height="22" >发布时间:</td>
- <td height="22" align="center" >
- <script language="javascript" src="script.js"></script>
- </td>
- </tr>
- </table>
- <input type="button" value="an" onclick="alert(document.getElementById('DS_time').value);">
- </body>
- </html>
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