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对象化JS之 --日期选择

 2007-12-06 09:39:54 来源:WEB开发网   
核心提示:<SCRIPT LANGUAGE=javascript>onload=function(){ var lodate = new dateSelect(); lodate.setDate(2003-01-01);}function dateSelect(aoP){ var lo

<SCRIPT LANGUAGE=javascript>
onload=function(){
 var lodate = new dateSelect();
 lodate.setDate(2003-01-01);
}

function dateSelect(aoP){
   var loD = document.createElement(SPAN);
   if (aoP==null){
     document.body.appendChild(loD);
   }else{
     aoP.appendChild(loD);
   }
   loD.onSelectDate = function(){};
     loD.getDate = function(){
     var loChilds = this.all.tags(SELECT);
     var lsDate = ;
     for (var i=0; i<loChilds.length; i++){
       var li = parseFloat(loChilds[i].value);
       if (li<10) li=0+li;
       lsDate+=li;
       if (i<2) lsDate+=-;
       if (i==2) lsDate+= ;
       if (i>2&&i<loChilds.length-1) lsDate+=:;
     }
     return lsDate;
   }
   loD.setDate = function(asDate){
     this.innerHTML = ;
     var liSpaceYear = 20;
     var loNowDate = new Date();
     var liYear = loNowDate.getYear();
     var liMonth = loNowDate.getMonth()+1;
     var liDay = loNowDate.getDate();
     var liHour = loNowDate.getHours();
     var liMinute = loNowDate.getMinutes();
     if (asDate!=null&&asDate!=){
       var lxDate = asDate.split( );
       if (lxDate.length>0){
         var lxUp = lxDate[0].split(-);
         if (lxUp.length>0) liYear = parseFloat(lxUp[0]);
         if (lxUp.length>1) liMonth = parseFloat(lxUp[1]);
         if (lxUp.length>2) liDay = parseFloat(lxUp[2]);
       }
       if (lxDate.length>1){
         var lxDown = lxDate[1].split(:);
         if (lxDown.length>0) liHour = parseFloat(lxDown[0]);
         if (lxDown.length>1) liMinute = parseFloat(lxDown[1]);
       }
     }
     var loYear = document.createElement(SELECT);
     loYear.onchange = new Function(+this.uniqueID+.setDate(+this.uniqueID+.getDate()));
     loYOpts = loYear.options;
     for (var i=liYear-liSpaceYear; i<liYear+liSpaceYear; i++){
       loYOpts[loYOpts.length] = new Option(i,i);
       if (i==liYear) loYOpts[loYOpts.length-1].selected=true;
     }
     this.insertBefore(loYear);
     var loFont = document.createElement(FONT);
     loFont.innerHTML = 年;
     this.insertBefore(loFont);

   var loMonth = document.createElement(SELECT);
     loMonth.onchange = new Function(+this.uniqueID+.setDate(+this.uniqueID+.getDate()));
     loMOpts = loMonth.options;
     for (var i=1; i<=12; i++){
       loMOpts[loMOpts.length] = new Option(i,i);
       if (i==liMonth) loMOpts[loMOpts.length-1].selected=true;
     }
     this.insertBefore(loMOpts);
     var loFont = document.createElement(FONT);
     loFont.innerHTML = 月;
     this.insertBefore(loFont);
     var loDay = document.createElement(SELECT);
     loDay.onchange = new Function(+this.uniqueID+.onSelectDate());
     loDOpts = loDay.options;
     var liMaxDay=getMaxDay(liYear,liMonth);
     for (var i=1; i<=liMaxDay; i++){
       loDOpts[loDOpts.length] = new Option(i,i);
       if (i==liDay) loDOpts[loDOpts.length-1].selected=true;
     }
     this.insertBefore(loDay);
     var loFont = document.createElement(FONT);
     loFont.innerHTML = 日;
     this.insertBefore(loFont);
     var loHour = document.createElement(SELECT);
     loHour.onchange = new Function(+this.uniqueID+.onSelectDate());
     loHOpts = loHour.options;
     for (var i=0; i<=23; i++){
       loHOpts[loHOpts.length] = new Option(i,i);
       if (i==liHour) loHOpts[loHOpts.length-1].selected=true;
     }
     this.insertBefore(loHOpts);
     var loFont = document.createElement(FONT);
     loFont.innerHTML = 时;
     this.insertBefore(loFont);
     var loMinute = document.createElement(SELECT);
     loMinute.onchange = new Function(+this.uniqueID+.onSelectDate());
     loMiOpts = loMinute.options;
     for (var i=0; i<=59; i++){
       loMiOpts[loMiOpts.length] = new Option(i,i);
       if (i==liMinute) loMiOpts[loMiOpts.length-1].selected=true;
     }
     this.insertBefore(loMinute);
     var loFont = document.createElement(FONT);
     loFont.onchange = new Function(+this.uniqueID+.onSelectDate());
     loFont.innerHTML = 分;
     this.insertBefore(loFont);
     loD.onSelectDate();
     function getMaxDay(aiYear,aiMonth){
       var loDay = [0,31,28,31,30,31,30,31,31,30,31,30,31];
       if (aiYear%4==0) loDay[2] = 29;
       return loDay[aiMonth];
     }
   }
   return loD;
}
</SCRIPT>


Tags:对象化 JS 日期

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