网页表单中常用的小日历特效

发布时间:2008年08月04日      浏览次数:1552 次
<script language=javascript>
<!--
/////////////////////////////////////////////////////////////////////////////
// Form表单小日历控件
// 调用示例:<input type="text" style="width:70px" onfocus="HS_setDate(this)">
// 这个日历有个缺点,就是当多次点击时,会弹出多个层出来,如果懂的人拿出改一下或不在乎这个小问题的人,这个日历还是很不错的
/////////////////////////////////////////////////////////////////////////////
function HS_DateAdd(interval,number,date){
      number = parseInt(number);
      if (typeof(date)=="string"){var date = new Date(date.split("-")[0],date.split("-")[1],date.split("-")[2])}
      if (typeof(date)=="object"){var date = date}
      switch(interval){
      case "y":return new Date(date.getFullYear()+number,date.getMonth(),date.getDate()); break;
      case "m":return new Date(date.getFullYear(),date.getMonth()+number,checkDate(date.getFullYear(),date.getMonth()+number,date.getDate())); break;
      case "d":return new Date(date.getFullYear(),date.getMonth(),date.getDate()+number); break;
      case "w":return new Date(date.getFullYear(),date.getMonth(),7*number+date.getDate()); break;
      }
}
function checkDate(year,month,date){
      var enddate = ["31","28","31","30","31","30","31","31","30","31","30","31"];
      var returnDate = "";
      if (year%4==0){enddate[1]="29"}
      if (date>enddate[month]){returnDate = enddate[month]}else{returnDate = date}
      return returnDate;
}
function WeekDay(date){
      var theDate;
      if (typeof(date)=="string"){theDate = new Date(date.split("-")[0],date.split("-")[1],date.split("-")[2]);}
      if (typeof(date)=="object"){theDate = date}
      return theDate.getDay();
}
function HS_calender(){
      var lis = "";
      var style = "";
      /*可以把下面的css剪切出去独立一个css文件webjx.com*/
      style +="<style type='text/css'>";
      style +=".calender { width:170px; height:auto; font-size:12px; margin-right:14px; background:url(calenderbg.gif) no-repeat right center #fff; border:1px solid #397EAE; padding:1px}";
      style +=".calender ul {list-style-type:none; margin:0; padding:0;}";
      style +=".calender .day { background-color:#EDF5FF; height:20px;}";
      style +=".calender .day li,.calender .date li{ float:left; width:14%; height:20px; line-height:20px; text-align:center}";
      style +=".calender li a { text-decoration:none; font-family:Tahoma; font-size:11px; color:#333}";
      style +=".calender li a:hover { color:#f30; text-decoration:underline}";
      style +=".calender li a.hasArticle {font-weight:bold; color:#f60 !important}";
      style +=".lastMonthDate, .nextMonthDate {color:#bbb;font-size:11px}";
      style +=".selectThisYear a, .selectThisMonth a{text-decoration:none; margin:0 2px; color:#000; font-weight:bold}";
      style +=".calender .LastMonth, .calender .NextMonth{ text-decoration:none; color:#000; font-size:18px; font-weight:bold; line-height:16px;}";
      style +=".calender .LastMonth { float:left;}";
      style +=".calender .NextMonth { float:right;}";
      style +=".calenderBody {clear:both}";
      style +=".calenderTitle {text-align:center;height:20px; line-height:20px; clear:both}";
      style +=".today { background-color:#ffffaa;border:1px solid #f60; padding:2px}";
      style +=".today a { color:#f30; }";
      style +=".calenderBottom {clear:both; border-top:1px solid #ddd; padding: 3px 0; text-align:left}";
      style +=".calenderBottom a {text-decoration:none; margin:2px !important; font-weight:bold; color:#000}";
      style +=".calenderBottom a.closeCalender{float:right}";
      style +=".closeCalenderBox {float:right; border:1px solid #000; background:#fff; font-size:9px; width:11px; height:11px; line-height:11px; text-align:center;overflow:hidden; font-weight:normal !important}";
      style +="</style>";
      var now;
      if (typeof(arguments[0])=="string"){
            selectDate = arguments[0].split("-");
            var year = selectDate[0];
            var month = parseInt(selectDate[1])-1+"";
            var date = selectDate[2];
            now = new Date(year,month,date);
      }else if (typeof(arguments[0])=="object"){
            now = arguments[0];
      }
      var lastMonthEndDate = HS_DateAdd("d","-1",now.getFullYear()+"-"+now.getMonth()+"-01").getDate();
      var lastMonthDate = WeekDay(now.getFullYear()+"-"+now.getMonth()+"-01");
      var thisMonthLastDate = HS_DateAdd("d","-1",now.getFullYear()+"-"+(parseInt(now.getMonth())+1).toString()+"-01");
      var thisMonthEndDate = thisMonthLastDate.getDate();
      var thisMonthEndDay = thisMonthLastDate.getDay();
      var todayObj = new Date();
      today = todayObj.getFullYear()+"-"+todayObj.getMonth()+"-"+todayObj.getDate();
      
      for (i=0; i<lastMonthDate; i++){ // Last Month's Date
            lis = "<li class='lastMonthDate'>"+lastMonthEndDate+"</li>" + lis;
            lastMonthEndDate--;
      }
      for (i=1; i<=thisMonthEndDate; i++){ // Current Month's Date
            if(today == now.getFullYear()+"-"+now.getMonth()+"-"+i){
                  var todayString = now.getFullYear()+"-"+(parseInt(now.getMonth())+1).toString()+"-"+i;
                  lis += "<li><a href=javascript:void(0) class='today' onclick='_selectThisDay(this)' title='"+now.getFullYear()+"-"+(parseInt(now.getMonth())+1)+"-"+i+"'>"+i+"</a></li>";
            }else{
                  lis += "<li><a href=javascript:void(0) onclick='_selectThisDay(this)' title='"+now.getFullYear()+"-"+(parseInt(now.getMonth())+1)+"-"+i+"'>"+i+"</a></li>";
            }
            
      }
      var j=1;
      for (i=thisMonthEndDay; i<6; i++){ // Next Month's Date
            lis += "<li class='nextMonthDate'>"+j+"</li>";
            j++;
      }
      lis += style;
      var CalenderTitle = "<a href='javascript:void(0)' class='NextMonth' onclick=HS_calender(HS_DateAdd('m',1,'"+now.getFullYear()+"-"+now.getMonth()+"-"+now.getDate()+"'),this) title='Next Month'>»</a>";
      CalenderTitle += "<a href='javascript:void(0)' class='LastMonth' onclick=HS_calender(HS_DateAdd('m',-1,'"+now.getFullYear()+"-"+now.getMonth()+"-"+now.getDate()+"'),this) title='Previous Month'>«</a>";
      CalenderTitle += "<span class='selectThisYear'><a href='javascript:void(0)' onclick='CalenderselectYear(this)' title='Click here to select other year' >"+now.getFullYear()+"</a></span>年<span class='selectThisMonth'><a href='javascript:void(0)' onclick='CalenderselectMonth(this)' title='Click here to select other month'>"+(parseInt(now.getMonth())+1).toString()+"</a></span>月";
      if (arguments.length>1){
            arguments[1].parentNode.parentNode.getElementsByTagName("ul")[1].innerHTML = lis;
            arguments[1].parentNode.innerHTML = CalenderTitle;
      }else{
            var CalenderBox = style+"<div class='calender'><div class='calenderTitle'>"+CalenderTitle+"</div><div class='calenderBody'><ul class='day'><li>日</li><li>一</li><li>二</li><li>三</li><li>四</li><li>五</li><li>六</li></ul><ul class='date' id='thisMonthDate'>"+lis+"</ul></div><div class='calenderBottom'><a href='javascript:void(0)' class='closeCalender' onclick='closeCalender(this)'>×</a><span><span><a href=javascript:void(0) onclick='_selectThisDay(this)' title='"+todayString+"'>Today</a></span></span></div></div>";
            return CalenderBox;
      }
}
function _selectThisDay(d){
      var boxObj = d.parentNode.parentNode.parentNode.parentNode.parentNode;
            boxObj.targetObj.value = d.title;
            boxObj.parentNode.removeChild(boxObj);
}
function closeCalender(d){
      var boxObj = d.parentNode.parentNode.parentNode;
            boxObj.parentNode.removeChild(boxObj);
}
function CalenderselectYear(obj){
            var opt = "";
            var thisYear = obj.innerHTML;
            for (i=1970; i<=2020; i++){
                  if (i==thisYear){
                        opt += "<option value="+i+" selected>"+i+"</option>";
                  }else{
                        opt += "<option value="+i+">"+i+"</option>";
                  }
            }
            opt = "<select onblur='selectThisYear(this)' onchange='selectThisYear(this)' style='font-size:11px'>"+opt+"</select>";
            obj.parentNode.innerHTML = opt;
}
function selectThisYear(obj){
      HS_calender(obj.value+"-"+obj.parentNode.parentNode.getElementsByTagName("span")[1].getElementsByTagName("a")[0].innerHTML+"-1",obj.parentNode);
}
function CalenderselectMonth(obj){
            var opt = "";
            var thisMonth = obj.innerHTML;
            for (i=1; i<=12; i++){
                  if (i==thisMonth){
                        opt += "<option value="+i+" selected>"+i+"</option>";
                  }else{
                        opt += "<option value="+i+">"+i+"</option>";
                  }
            }
            opt = "<select onblur='selectThisMonth(this)' onchange='selectThisMonth(this)' style='font-size:11px'>"+opt+"</select>";
            obj.parentNode.innerHTML = opt;
}
function selectThisMonth(obj){
      HS_calender(obj.parentNode.parentNode.getElementsByTagName("span")[0].getElementsByTagName("a")[0].innerHTML+"-"+obj.value+"-1",obj.parentNode);
}
function HS_setDate(inputObj){
      var calenderObj = document.createElement("span");
      calenderObj.innerHTML = HS_calender(new Date());
      calenderObj.style.position = "absolute";
      calenderObj.targetObj = inputObj;
      inputObj.parentNode.insertBefore(calenderObj,inputObj.nextSibling);
}
-->
</script>
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