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在网页上获取日期时间的代码

时间：2022-05-14    点击： 次    来源：网络    添加者：佚名 - 小 + 大


<form name="form1" method="post" action="">

   <p>
     <input type="text" name="textfield"   onFocus="CalendarWebControl.show(this,true,this.value);">
     日期时间输入</p>
   <p>
     <input type="text" name="textfield2" onFocus="CalendarWebControl.show(this,false,this.value);">
日期输入</p>
</form>
<script language="javascript">
function atCalendarControl(){
   var calendar=this;
   this.calendarPad=null;
   this.prevMonth=null;
   this.nextMonth=null;
   this.prevYear=null;
   this.nextYear=null;
   this.goToday=null;
   this.calendarClose=null;
   this.calendarAbout=null;
   this.head=null;
   this.body=null;
   this.today=[];
   this.currentDate=[];
   this.sltDate;
   this.target;
   this.source;
   /************** 加入日历底板及阴影 *********************/
   this.addCalendarPad=function(){
    document.write("<div id='divCalendarpad' style='position:absolute;top:100;left:0;width:255;height:187;display:none;'>");
    document.write("<iframe frameborder=0 height=189 width=250></iframe>");
    document.write("<div style='position:absolute;top:2;left:2;width:250;height:187;background-color:#336699;'></div>");
    document.write("</div>");
    calendar.calendarPad=document.all.divCalendarpad;
   }
   /************** 加入日历面板 *********************/
   this.addCalendarBoard=function(){
    var BOARD=this;
    var divBoard=document.createElement("div");
    calendar.calendarPad.insertAdjacentElement("beforeEnd",divBoard);
    divBoard.style.cssText="position:absolute;top:0;left:0;width:250;height:187;border:0 outset;background-color:buttonface;";
    var tbBoard=document.createElement("table");
    divBoard.insertAdjacentElement("beforeEnd",tbBoard);
    tbBoard.style.cssText="position:absolute;top:2;left:2;width:248;height:10;font-size:9pt;";
    tbBoard.cellPadding=0;
    tbBoard.cellSpacing=1;
   /************** 设置各功能按钮的功能 *********************/
    /*********** Calendar About Button ***************/
    trRow = tbBoard.insertRow(0);
    calendar.calendarAbout=calendar.insertTbCell(trRow,0,"-","center");
    calendar.calendarAbout.title="帮助 快捷键:H";
    calendar.calendarAbout.onclick=function(){calendar.about();}
    /*********** Calendar Head ***************/
    tbCell=trRow.insertCell(1);
    tbCell.colSpan=5;
    tbCell.bgColor="#99CCFF";
    tbCell.align="center";
    tbCell.style.cssText = "cursor:default";
    calendar.head=tbCell;
    /*********** Calendar Close Button ***************/
    tbCell=trRow.insertCell(2);
    calendar.calendarClose = calendar.insertTbCell(trRow,2,"x","center");
    calendar.calendarClose.title="关闭 快捷键:ESC或X";
    calendar.calendarClose.onclick=function(){calendar.hide();}
    /*********** Calendar PrevYear Button ***************/
    trRow = tbBoard.insertRow(1);
    calendar.prevYear = calendar.insertTbCell(trRow,0,"<<","center");
    calendar.prevYear.title="上一年 快捷键:↑";
    calendar.prevYear.onmousedown=function(){
     calendar.currentDate[0]--;
     calendar.show(calendar.target,calendar.returnTime,calendar.currentDate[0]+"-"+calendar.formatTime(calendar.currentDate[1])+"-"+calendar.formatTime(calendar.currentDate[2]),calendar.source);
    }
    /*********** Calendar PrevMonth Button ***************/
    calendar.prevMonth = calendar.insertTbCell(trRow,1,"<","center");
    calendar.prevMonth.title="上一月 快捷键:←";
    calendar.prevMonth.onmousedown=function(){
     calendar.currentDate[1]--;
     if(calendar.currentDate[1]==0){
      calendar.currentDate[1]=12;
      calendar.currentDate[0]--;
     }
     calendar.show(calendar.target,calendar.returnTime,calendar.currentDate[0]+"-"+calendar.formatTime(calendar.currentDate[1])+"-"+calendar.formatTime(calendar.currentDate[2]),calendar.source);
    }
    /*********** Calendar Today Button ***************/
    calendar.goToday = calendar.insertTbCell(trRow,2,"今天","center",3);
    calendar.goToday.title="选择今天 快捷键:T";
    calendar.goToday.onclick=function(){
      if(calendar.returnTime)
         calendar.sltDate=calendar.today[0]+"-"+calendar.formatTime(calendar.today[1])+"-"+calendar.formatTime(calendar.today[2])+" "+calendar.formatTime(calendar.today[3])+":"+calendar.formatTime(calendar.today[4])
      else
         calendar.sltDate=calendar.today[0]+"-"+calendar.formatTime(calendar.today[1])+"-"+calendar.formatTime(calendar.today[2]);
     calendar.target.value=calendar.sltDate;
     calendar.hide();
     //calendar.show(calendar.target,calendar.today[0]+"-"+calendar.today[1]+"-"+calendar.today[2],calendar.source);
    }
    /*********** Calendar NextMonth Button ***************/
    calendar.nextMonth = calendar.insertTbCell(trRow,3,">","center");
    calendar.nextMonth.title="下一月 快捷键:→";
    calendar.nextMonth.onmousedown=function(){
     calendar.currentDate[1]++;
     if(calendar.currentDate[1]==13){
      calendar.currentDate[1]=1;
      calendar.currentDate[0]++;
     }
     calendar.show(calendar.target,calendar.returnTime,calendar.currentDate[0]+"-"+calendar.formatTime(calendar.currentDate[1])+"-"+calendar.formatTime(calendar.currentDate[2]),calendar.source);
    }
    /*********** Calendar NextYear Button ***************/
    calendar.nextYear = calendar.insertTbCell(trRow,4,">>","center");
    calendar.nextYear.title="下一年 快捷键:↓";
    calendar.nextYear.onmousedown=function(){
     calendar.currentDate[0]++;
     calendar.show(calendar.target,calendar.returnTime,calendar.currentDate[0]+"-"+calendar.formatTime(calendar.currentDate[1])+"-"+calendar.formatTime(calendar.currentDate[2]),calendar.source);
    }
    trRow = tbBoard.insertRow(2);
    var cnDateName = new Array("日","一","二","三","四","五","六");
    for (var i = 0; i < 7; i++) {
     tbCell=trRow.insertCell(i)
     tbCell.innerText=cnDateName[i];
     tbCell.align="center";
     tbCell.width=35;
     tbCell.style.cssText="cursor:default;border:1 solid #99CCCC;background-color:#99CCCC;";
    }
    /*********** Calendar Body ***************/
    trRow = tbBoard.insertRow(3);
    tbCell=trRow.insertCell(0);
    tbCell.colSpan=7;
    tbCell.height=97;
    tbCell.vAlign="top";
    tbCell.bgColor="#F0F0F0";
  
    var tbBody=document.createElement("table");
    tbCell.insertAdjacentElement("beforeEnd",tbBody);
    tbBody.style.cssText="position:relative;top:0;left:0;width:245;height:103;font-size:9pt;"
    tbBody.cellPadding=0;
    tbBody.cellSpacing=1;
    calendar.body=tbBody;
   
    /*********** Time Body ***************/
    trRow = tbBoard.insertRow(4);
    tbCell=trRow.insertCell(0);
    calendar.prevHours = calendar.insertTbCell(trRow,0,"-","center");
    calendar.prevHours.title="小时调整 快捷键:Home";
    calendar.prevHours.onmousedown=function(){
         calendar.currentDate[3]--;
         if(calendar.currentDate[3]==-1) calendar.currentDate[3]=23;
         calendar.bottom.innerText=calendar.formatTime(calendar.currentDate[3])+":"+calendar.formatTime(calendar.currentDate[4]);
     }
    tbCell=trRow.insertCell(1);
    calendar.nextHours = calendar.insertTbCell(trRow,1,"+","center");
    calendar.nextHours.title="小时调整 快捷键:End";
    calendar.nextHours.onmousedown=function(){
         calendar.currentDate[3]++;
         if(calendar.currentDate[3]==24) calendar.currentDate[3]=0;
         calendar.bottom.innerText=calendar.formatTime(calendar.currentDate[3])+":"+calendar.formatTime(calendar.currentDate[4]);
     }
    tbCell=trRow.insertCell(2);
    tbCell.colSpan=3;
    tbCell.bgColor="#99CCFF";
    tbCell.align="center";
    tbCell.style.cssText = "cursor:default";
    calendar.bottom=tbCell;
    tbCell=trRow.insertCell(3);
    calendar.prevMinutes = calendar.insertTbCell(trRow,3,"-","center");
    calendar.prevMinutes.title="分钟调整 快捷键:PageUp";
    calendar.prevMinutes.onmousedown=function(){
         calendar.currentDate[4]--;
         if(calendar.currentDate[4]==-1) calendar.currentDate[4]=59;
         calendar.bottom.innerText=calendar.formatTime(calendar.currentDate[3])+":"+calendar.formatTime(calendar.currentDate[4]);
     }
    tbCell=trRow.insertCell(4);
    calendar.nextMinutes = calendar.insertTbCell(trRow,4,"+","center");
    calendar.nextMinutes.title="分钟调整 快捷键:PageDown";
    calendar.nextMinutes.onmousedown=function(){
         calendar.currentDate[4]++;
         if(calendar.currentDate[4]==60) calendar.currentDate[4]=0;
         calendar.bottom.innerText=calendar.formatTime(calendar.currentDate[3])+":"+calendar.formatTime(calendar.currentDate[4]);
     }
}

/************** 加入功能按钮公共样式 *********************/
   this.insertTbCell=function(trRow,cellIndex,TXT,trAlign,tbColSpan){
    var tbCell=trRow.insertCell(cellIndex);
    if(tbColSpan!=undefined) tbCell.colSpan=tbColSpan;
    var btnCell=document.createElement("button");
    tbCell.insertAdjacentElement("beforeEnd",btnCell);
    btnCell.value=TXT;
    btnCell.style.cssText="width:100%;border:1 outset;background-color:buttonface;";
    btnCell.onmouseover=function(){
    btnCell.style.cssText="width:100%;border:1 outset;background-color:#F0F0F0;";
    }
    btnCell.onmouseout=function(){
     btnCell.style.cssText="width:100%;border:1 outset;background-color:buttonface;";
    }
   // btnCell.onmousedown=function(){
   //   btnCell.style.cssText="width:100%;border:1 inset;background-color:#F0F0F0;";
   // }
    btnCell.onmouseup=function(){
     btnCell.style.cssText="width:100%;border:1 outset;background-color:#F0F0F0;";
    }
    btnCell.onclick=function(){
     btnCell.blur();
    }
    return btnCell;
   }

   this.setDefaultDate=function(){
    var dftDate=new Date();
    calendar.today[0]=dftDate.getYear();
    calendar.today[1]=dftDate.getMonth()+1;
    calendar.today[2]=dftDate.getDate();
    calendar.today[3]=dftDate.getHours();
    calendar.today[4]=dftDate.getMinutes();
   }
   /****************** Show Calendar *********************/
   this.show=function(targetObject,returnTime,defaultDate,sourceObject){
    if(targetObject==undefined) {
     alert("未设置目标对象. \n方法: ATCALENDAR.show(obj 目标对象,boolean 是否返回时间,string 默认日期,obj 点击对象);\n\n目标对象:接受日期返回值的对象.\n默认日期:格式为\"yyyy-mm-dd\",缺省为当前日期.\n点击对象:点击这个对象弹出calendar,默认为目标对象.\n");
     return false;
    }
    else calendar.target=targetObject;
  
    if(sourceObject==undefined) calendar.source=calendar.target;
    else calendar.source=sourceObject;
    if(returnTime) calendar.returnTime=true;
    else calendar.returnTime=false;
    var firstDay;
    var Cells=new Array();
    if((defaultDate==undefined) || (defaultDate=="")){
     var theDate=new Array();
     calendar.head.innerText = calendar.today[0]+"-"+calendar.formatTime(calendar.today[1])+"-"+calendar.formatTime(calendar.today[2]);
     calendar.bottom.innerText = calendar.formatTime(calendar.today[3])+":"+calendar.formatTime(calendar.today[4]);
   
     theDate[0]=calendar.today[0]; theDate[1]=calendar.today[1]; theDate[2]=calendar.today[2];
     theDate[3]=calendar.today[3]; theDate[4]=calendar.today[4];
    }
    else{
     var Datereg=/^\d{4}-\d{1,2}-\d{2}$/
     var DateTimereg=/^(\d{1,4})-(\d{1,2})-(\d{1,2}) (\d{1,2}):(\d{1,2})$/
     if((!defaultDate.match(Datereg)) && (!defaultDate.match(DateTimereg))){
      alert("默认日期(时间)的格式不正确！\t\n\n默认可接受格式为:\n1、yyyy-mm-dd \n2、yyyy-mm-dd hh:mm\n3、(空)");
      calendar.setDefaultDate();
      return;
     }
   
     if(defaultDate.match(Datereg)) defaultDate=defaultDate+" "+calendar.today[3]+":"+calendar.today[4];
     var strDateTime=defaultDate.match(DateTimereg);
     var theDate=new Array(4)
     theDate[0]=strDateTime[1];
     theDate[1]=strDateTime[2];
     theDate[2]=strDateTime[3];
     theDate[3]=strDateTime[4];
     theDate[4]=strDateTime[5];
     calendar.head.innerText = theDate[0]+"-"+calendar.formatTime(theDate[1])+"-"+calendar.formatTime(theDate[2]);
     calendar.bottom.innerText = calendar.formatTime(theDate[3])+":"+calendar.formatTime(theDate[4]);
     }
    calendar.currentDate[0]=theDate[0];
    calendar.currentDate[1]=theDate[1];
    calendar.currentDate[2]=theDate[2];
    calendar.currentDate[3]=theDate[3];
    calendar.currentDate[4]=theDate[4];
  
    theFirstDay=calendar.getFirstDay(theDate[0],theDate[1]);
    theMonthLen=theFirstDay+calendar.getMonthLen(theDate[0],theDate[1]);
    //calendar.setEventKey();
    calendar.calendarPad.style.display="";
    var theRows = Math.ceil((theMonthLen)/7);
    //清除旧的日历;
    while (calendar.body.rows.length > 0) {
     calendar.body.deleteRow(0)
    }
    //建立新的日历;
    var n=0;day=0;
    for(i=0;i<theRows;i++){
     theRow=calendar.body.insertRow(i);
     for(j=0;j<7;j++){
      n++;
      if(n>theFirstDay && n<=theMonthLen){
       day=n-theFirstDay;
       calendar.insertBodyCell(theRow,j,day);
      }
      else{
       var theCell=theRow.insertCell(j);
       theCell.style.cssText="background-color:#F0F0F0;cursor:default;";
      }
     }
    }
    //****************调整日历位置**************//
    var offsetPos=calendar.getAbsolutePos(calendar.source);//计算对象的位置;
    if((document.body.offsetHeight-(offsetPos.y+calendar.source.offsetHeight-document.body.scrollTop))<calendar.calendarPad.style.pixelHeight){
     var calTop=offsetPos.y-calendar.calendarPad.style.pixelHeight;
    }
    else{
     var calTop=offsetPos.y+calendar.source.offsetHeight;
    }
    if((document.body.offsetWidth-(offsetPos.x+calendar.source.offsetWidth-document.body.scrollLeft))>calendar.calendarPad.style.pixelWidth){
     var calLeft=offsetPos.x;
    }
    else{
     var calLeft=calendar.source.offsetLeft+calendar.source.offsetWidth;
    }
    //alert(offsetPos.x);
    calendar.calendarPad.style.pixelLeft=calLeft;
    calendar.calendarPad.style.pixelTop=calTop;
   }
   /****************** 计算对象的位置 *************************/
   this.getAbsolutePos = function(el) {
    var r = { x: el.offsetLeft, y: el.offsetTop };
    if (el.offsetParent) {
     var tmp = calendar.getAbsolutePos(el.offsetParent);
     r.x += tmp.x;
     r.y += tmp.y;
    }
    return r;
   };
   //************* 插入日期单元格 **************/
   this.insertBodyCell=function(theRow,j,day,targetObject){
    var theCell=theRow.insertCell(j);
    if(j==0) var theBgColor="#FF9999";
    else var theBgColor="#FFFFFF";
    if(day==calendar.currentDate[2]) var theBgColor="#CCCCCC";
    if(day==calendar.today[2]) var theBgColor="#99FFCC";
    theCell.bgColor=theBgColor;
    theCell.innerText=day;
    theCell.align="center";
    theCell.width=35;
    theCell.style.cssText="border:1 solid #CCCCCC;cursor:hand;";
    theCell.onmouseover=function(){
     theCell.bgColor="#FFFFCC";
     theCell.style.cssText="border:1 outset;cursor:hand;";
    }
    theCell.onmouseout=function(){
     theCell.bgColor=theBgColor;
     theCell.style.cssText="border:1 solid #CCCCCC;cursor:hand;";
    }
    theCell.onmousedown=function(){
     theCell.bgColor="#FFFFCC";
     theCell.style.cssText="border:1 inset;cursor:hand;";
    }
    theCell.onclick=function(){
      if(calendar.returnTime)
         calendar.sltDate=calendar.currentDate[0]+"-"+calendar.formatTime(calendar.currentDate[1])+"-"+calendar.formatTime(day)+" "+calendar.formatTime(calendar.currentDate[3])+":"+calendar.formatTime(calendar.currentDate[4])
      else
         calendar.sltDate=calendar.currentDate[0]+"-"+calendar.formatTime(calendar.currentDate[1])+"-"+calendar.formatTime(day);
     calendar.target.value=calendar.sltDate;
     calendar.hide();
    }
   }
   /************** 取得月份的第一天为星期几 *********************/
   this.getFirstDay=function(theYear, theMonth){
    var firstDate = new Date(theYear,theMonth-1,1);
    return firstDate.getDay();
   }
   /************** 取得月份共有几天 *********************/
   this.getMonthLen=function(theYear, theMonth) {
    theMonth--;
    var oneDay = 1000 * 60 * 60 * 24;
    var thisMonth = new Date(theYear, theMonth, 1);
    var nextMonth = new Date(theYear, theMonth + 1, 1);
    var len = Math.ceil((nextMonth.getTime() - thisMonth.getTime())/oneDay);
    return len;
   }
   /************** 隐藏日历 *********************/
   this.hide=function(){
    //calendar.clearEventKey();
    calendar.calendarPad.style.display="none";
  
   }
   /************** 从这里开始 *********************/
   this.setup=function(defaultDate){
    calendar.addCalendarPad();
    calendar.addCalendarBoard();
    calendar.setDefaultDate();
   }
   /************** 格式化时间 *********************/
this.formatTime = function(str) {
   str = ("00"+str);
   return str.substr(str.length-2);
}
/************** 关于AgetimeCalendar *********************/
   this.about=function(){
    var strAbout = "\nWeb 日历选择输入控件操作说明:\n\n";
    strAbout+="-\t: 关于\n";
    strAbout+="x\t: 隐藏\n";
    strAbout+="<<\t: 上一年\n";
    strAbout+="<\t: 上一月\n";
    strAbout+="今日\t: 返回当天日期\n";
    strAbout+=">\t: 下一月\n";
    strAbout+="<<\t: 下一年\n";
    strAbout+="\nWeb日历选择输入控件\tVer:v1.0\t\nDesigned By:wxb \t\t2004.11.22\t\n";
    alert(strAbout);
   }

document.onkeydown=function(){
     if(calendar.calendarPad.style.display=="none"){
         window.event.returnValue= true;
         return true ;
     }
     switch(window.event.keyCode){
         case 27 : calendar.hide(); break; //ESC
         case 37 : calendar.prevMonth.onmousedown(); break;//←
         case 38 : calendar.prevYear.onmousedown();break; //↑
         case 39 : calendar.nextMonth.onmousedown(); break;//→
         case 40 : calendar.nextYear.onmousedown(); break;//↓
         case 84 : calendar.goToday.onclick(); break;//T
         case 88 : calendar.hide(); break;    //X
         case 72 : calendar.about(); break;    //H   
         case 36 : calendar.prevHours.onmousedown(); break;//Home
         case 35 : calendar.nextHours.onmousedown(); break;//End
         case 33 : calendar.prevMinutes.onmousedown();break; //PageUp
         case 34 : calendar.nextMinutes.onmousedown(); break;//PageDown
         }
         window.event.keyCode = 0;
         window.event.returnValue= false;
         }
   calendar.setup();
}

var CalendarWebControl = new atCalendarControl();

</script>


日期时间控件： http://www.my97.net/


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