日历控件-javascript

calendar.js 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("");   document.write("");   document.write("");   document.write("");   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:166;border:1 outset;background-color:buttonface;";      var tbBoard=document.createElement("table");   divBoard.insertAdjacentElement("beforeEnd",tbBoard);   tbBoard.style.cssText="position:absolute;top:0;left:0;width:100%;height:10;font-size:9pt;";   tbBoard.cellPadding=0;   tbBoard.cellSpacing=1;   tbBoard.bgColor="#333333";  /************** 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.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";   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";   calendar.prevYear.onmousedown=function(){    calendar.currentDate[0]--;    calendar.show(calendar.target,calendar.currentDate[0]+"-"+calendar.currentDate[1]+"-"+calendar.currentDate[2],calendar.source);   }   /*********** Calendar PrevMonth Button ***************/   calendar.prevMonth = calendar.insertTbCell(trRow,1,"<","center");   calendar.prevMonth.title="上一月";   calendar.prevMonth.onmousedown=function(){    calendar.currentDate[1]--;    if(calendar.currentDate[1]==0){     calendar.currentDate[1]=12;     calendar.currentDate[0]--;    }    calendar.show(calendar.target,calendar.currentDate[0]+"-"+calendar.currentDate[1]+"-"+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";   calendar.goToday.onclick=function(){    calendar.sltDate=calendar.currentDate[0]+"-"+calendar.currentDate[1]+"-"+calendar.currentDate[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";   calendar.nextMonth.onmousedown=function(){    calendar.currentDate[1]++;    if(calendar.currentDate[1]==13){     calendar.currentDate[1]=1;     calendar.currentDate[0]++;    }    calendar.show(calendar.target,calendar.currentDate[0]+"-"+calendar.currentDate[1]+"-"+calendar.currentDate[2],calendar.source);   }   /*********** Calendar NextYear Button ***************/   calendar.nextYear = calendar.insertTbCell(trRow,4,">>","center");   calendar.nextYear.title="下一年";   calendar.nextYear.onmousedown=function(){    calendar.currentDate[0]++;    calendar.show(calendar.target,calendar.currentDate[0]+"-"+calendar.currentDate[1]+"-"+calendar.currentDate[2],calendar.source);   }   trRow = tbBoard.insertRow(2);   var cnDateName = new Array("周日","周一","周二","周三","周四","周五","周六");   for (var i = 0; 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;  }  /************** 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();  }  /****************** Show Calendar *********************/  this.show=function(targetObject,defaultDate,sourceObject){   if(targetObject==undefined) {    alert("未设置目标对像. n方法: ATCALENDAR.show(obj 目标对像,string 默认日期,obj 点击对像);nn目标对像:接受日期返回值的对像.n默认日期:格式为"yyyy-mm-dd",缺省为当日日期.n点击对像:点击这个对像弹出calendar,默认为目标对像.n");    return false;   }   else    calendar.target=targetObject;   if(sourceObject==undefined) calendar.source=calendar.target;   else calendar.source=sourceObject;   var firstDay;   var Cells=new Array();   if(defaultDate==undefined || defaultDate==""){    var theDate=new Array();    calendar.head.innerText = calendar.today[0]+"-"+calendar.today[1]+"-"+calendar.today[2];    theDate[0]=calendar.today[0]; theDate[1]=calendar.today[1]; theDate[2]=calendar.today[2];   }   else{    var reg=/^d{4}-d{1,2}-d{2}$/    if(!defaultDate.match(reg)){     alert("默认日期的格式不正确nn默认日期可接受格式为:'yyyy-mm-dd'");     return;    }    var theDate=defaultDate.split("-");    calendar.head.innerText = defaultDate;   }   calendar.currentDate[0]=theDate[0];   calendar.currentDate[1]=theDate[1];   calendar.currentDate[2]=theDate[2];   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    theRow=calendar.body.insertRow(i);    for(j=0;j     n++;     if(n>theFirstDay && n      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);//计算对像的位置;   if((document.body.offsetHeight-(offsetPos.y+calendar.source.offsetHeight-document.body.scrollTop))    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;  }  /****************** 计算对像的位置 *************************/  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.currentDate[1].length    if(day.toString().length    calendar.sltDate=calendar.currentDate[0]+"-"+calendar.currentDate[1]+"-"+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();  }  /************** 关于AgetimeCalendar *********************/  this.about=function(){   /*//alert("Agetime Calendar V1.0nnwww.agetime.comn");   popLeft = calendar.calendarPad.style.pixelLeft+4;   popTop = calendar.calendarPad.style.pixelTop+25;   var popup = window.createPopup();   var popupBody = popup.document.body;   popupBody.style.cssText="border:solid 2 outset;font-size:9pt;background-color:#F0F0F0;";   var popHtml = "关于 AgetimeCalendar";   popHtml+="版本: v1.0日期: 2004-03-13";   popupBody.innerHTML=popHtml;   popup.show(popLeft,popTop,240,136,document.body); */   var strAbout = "About AgetimeCalendarnn";   strAbout+="-t: 关于n";   strAbout+="xt: 隐藏n";   strAbout+="   strAbout+="   strAbout+="今日t: 返回当天日期n";   strAbout+=">t: 下一月n";   strAbout+="   strAbout+="nAgetimeCalendarnVersion:v1.0nDesigned By:暂停打印 2004-03-16  [email protected] n";   alert(strAbout);  }  calendar.setup(); }AgetimeCalendar DEMO var CalendarWebControl = new atCalendarControl();  calendar.html                                                           输入日期:                                                                               我被calendar遮挡了                           日期: