一个基于JS的日期选择控件

Calendar_HY.js




/**//* @version 2.0.2007.06.14 */






/**//* @version 1.0.2004.06.13 */




/**//* @auther alin */




/**//* Email:caoailin111@sohu.com */






/**//* @version 2.0.2007.06.14 */




/**//* @auther heroying */




/**//* Email:heroying@gmail.com */








/**//* 控件使用方法：


1. 页头加入代码：<script language='javascript' src="./Calendar_HY.js" /> （此处假设页面与本文件在同一目录，否者请自行修改引用路径。）


<script language='javascript'></script>


2. 触发控件中加入ONCLICK事件：onclick="showDiv2(this)"


如已存在ONCLICK事件则只要在调用的函数里直接调用 showDiv2(this); 即可。


*/




var myC_x,myC_y;


var myC_timeset=null,myC_timeset1=null;


var divObj=null;


var inputName;


//所要填充的文本框对象全局变量。add by heroying 20070612


var setObjectName;


//全局变量：父控件的X值和Y值


var gp_otop=0;


var gp_oleft=0;




//初始化日历


var myCalendar=new myCalendar;


myCalendar.show();


myCalendar.input("txt1");


//showDiv2(this)




function myCalendar() //构建对象




...{


var myDate = new Date();


this.year = myDate.getFullYear();


this.month = myDate.getMonth()+1;


this.date = myDate.getDate();


this.format="yyyy-mm-dd";


this.style = myStyle(1);　


this.show = createCalendar;


this.input = createInput;


}




function myStyle(num) //设置样式




...{




if(!num||isNaN(num))...{alert('参数不对,采用默认样式！');num=1;}


var style = new Array();


style[1]=".week{background-color:#DfDfff;font-size:12px;width:180px;}"


+".ds{width:180px;background-color:#f4f4f4;font-size:12px;cursor:hand}"


+".mover{border:1px solid #909EFF;background-color:#ffffff;}"


+".move1{border:1px solid #5d5d5d;background-color:#f4f4f4;color:#909eff;font-size:12px}"


+".tit{background-color:#909EFF;width:180px;font-size:12px;color:white;cursor:default}"


+".cs{position:absolute;border:1px solid #909eff;width:182px;left:0px;top:0px;z-index:9999;}"


+".shadow{position:absolute;left:0px;top:0px;font-family: Arial Black;font-size:50px;color:#d4d4d4;z-index:1;text-align:center;}";


document.write("<style type='text/css'>");


document.write(style[num]);


document.write("</style>");


}




function createCalendar()




...{


var week = new Array('日','一','二','三','四','五','六');


document.write("<div class='cs' onselectstart='return false' oncontextmenu='return false' onmousedown='if(event.button==2)this.style.display="none"' id='myC_div'><div class='shadow'></div><div style='position:absolute;left:0px;top:0px;z-index:1'>");


//创建头部


//增加“清楚内容”、“关闭窗口” 2个按钮。


document.write("<table class='tit' id='myC_Top' onmousedown='myC_x=event.x-parentNode.parentNode.style.pixelLeft;myC_y=event.y-parentNode.parentNode.style.pixelTop;setCapture()' onmouseup='releaseCapture();' onmousemove='myCMove(this.parentElement.parentElement);'><tr><td width=10 onmouseover='this.style.color="black"' onmouseout='this.style.color=""' onclick='cutYear()' style='font-family: Webdings;cursor:hand;' title='上一年份'>7</td><td title='上一月份' onmouseover='this.style.color="black"' onclick='cutMonth()' onmouseout='this.style.color=""' width=10 style='font-family: Webdings;cursor:hand;'>3</td><td align=center onmouseover=this.className='move1'; onmouseout=this.className='';divHidden(myC.parentElement.nextSibling); onclick='createyear("+this.year+",this);divShow(myC.parentElement.nextSibling);'></td><td align=center onclick='createmonth("+this.month+",this);divShow(myC.parentElement.nextSibling)' onmouseover=this.className='move1'; onmouseout=this.className='';divHidden(myC.parentElement.nextSibling);></td><td width=10 onmouseover='this.style.color="black"' onmouseout='this.style.color=""' onclick='addMonth()' style='font-family: Webdings;cursor:hand;' title='下一月份'>4</td><td width=10 style='font-family: Webdings;cursor:hand;' onmouseover='this.style.color="black"' onmouseout='this.style.color=""' onclick='addYear()' title='下一年份'>8</td><td style='font-family: Webdings;cursor:hand;' onmouseover='this.style.color="red"' onmouseout='this.style.color=""' onclick='if(this.innerText!="")getValue(inputName,0);myC_div.style.display="none"' title='清除内容' >y</td><td style='font-family: Webdings;cursor:hand;' onmouseover='this.style.color="red"' onmouseout='this.style.color=""' onclick='closeDiv()' title='关闭' >r</td></tr></table>");


//创建星期条目


//修改星期条目支持拖动功能，并加入鼠标变为MOVE型效果。 modify by heroying 20070614


document.write("<table class='week' style='cursor:move' id='myC_WeekTop' onmousedown='myC_x=event.x-parentNode.parentNode.style.pixelLeft;myC_y=event.y-parentNode.parentNode.style.pixelTop;setCapture()' onmouseup='releaseCapture();' onmousemove='myCMove(this.parentElement.parentElement);'><tr>");


for(i=0;i<7;i++)


document.write("<td align=center >"+week[i]+"</td>");


document.write("</tr></table>");


//创建日期条目


document.write("<table class='ds' id='myC' cellspacing=2 cellpadding=0>");


for(i=0;i<6;i++)




...{


document.write("<tr>");


for(j=0;j<7;j++)


document.write("<td width=10% height=16 align=center onmouseover='mOver(this)' onmouseout='mOut(this)' onclick='if(this.innerText!="")getValue(inputName,this.innerText);myC_div.style.display="none"'></td>");


document.write("</tr>");


}


document.write("</table>");


//建建水印


document.write("</div>");


//创建选择图层


document.write("<div style='position:absolute;left:0px;top:0px;z-index:3' onmouseover=divShow(this) onmouseout=divHidden(this)></div>");




document.write("</div>");


//显示日期


showDate(this.year,this.month);


myC_div.style.display='none';


}




//add by heroying 20070613




function closeDiv()...{


myC_div.style.display='none';


}




//修改了返回格式为:20070101 modify by heroying 20070614


function getValue(obj,value)




...{




if(value==0)...{


eval(setObjectName).value="";




}else...{


var get_month = parseInt(myC_Top.cells[3].innerText);


var get_day = value;


get_month = get_month<10?"0"+get_month:get_month;


get_day = get_day<10?"0"+get_day:get_day;


//返回格式：20070101


eval(setObjectName).value = parseInt(myC_Top.cells[2].innerText)+""+get_month+get_day;


//返回格式：2007-1-1


//eval(setObjectName).value=parseInt(myC_Top.cells[2].innerText)+"-"+parseInt(myC_Top.cells[3].innerText)+"-"+value;


//重新显示时显示年份、月份更新为当前系统日期信息。add by heroying 20070612


var today = new Date();


myC_Top.cells[2].innerText = today.getYear()+"年";


myC_Top.cells[3].innerText = (today.getMonth()+1)+"月";


showDate(today.getYear(),today.getMonth()+1);


}


}




function showDate(year,month)




...{


var myDate = new Date(year,month-1,1);


var today = new Date();


var day = myDate.getDay();


var length = new Array(31,30,31,30,31,30,31,31,30,31,30,31);


length[1] = ((year%4==0)&&(year%100!=0)||(year%400==0))?29:28;


for(i=0;i<myC.cells.length;i++)myC.cells[i].innerHTML = "";


for(i=0;i<length[month-1];i++)




...{


myC.cells[i+day].innerHTML = (i+1);




if(new Date(year,month-1,i+1).getDay()==6||new Date(year,month-1,i+1).getDay()==0)...{myC.cells[i+day].style.color='red';}




else...{myC.cells[i+day].style.color='#000000'}


//增加当前日期颜色变化（绿色） add by heroying 20070612




if(year==today.getYear()&&month==today.getMonth()+1)...{




if(new Date(year,month-1,i+1).getDate()==today.getDate())...{myC.cells[i+day].style.color='green';}


}


}


myC_Top.cells[2].innerText=year+"年";


myC_Top.cells[3].innerText=month+"月";


with(myC.parentNode.previousSibling.style)




...{


pixelLeft=myC.offsetLeft;


pixelTop=myC.offsetTop;


height = myC.clientHeight;


width = myC.clientWidth;


}


myC.parentElement.parentElement.style.height=myC.parentElement.offsetHeight;


myC.parentElement.previousSibling.innerHTML=year;


}




//一些附加函数--------------------


//---------Begin-------------------




function mOver(obj)...{obj.className = 'mover';}




function mOut(obj)...{if(obj.className=='mover')obj.className = '';}




function addYear()...{var year = parseInt(myC_Top.cells[2].innerText);var month = parseInt(myC_Top.cells[3].innerText); year++;showDate(year,month);}




function addMonth()...{var year = parseInt(myC_Top.cells[2].innerText);var month = parseInt(myC_Top.cells[3].innerText);month++;if(month>12)...{month=1;year++;}showDate(year,month);}




function cutYear()...{var year = parseInt(myC_Top.cells[2].innerText);var month = parseInt(myC_Top.cells[3].innerText);year--;showDate(year,month);}




function cutMonth()...{var year = parseInt(myC_Top.cells[2].innerText);var month = parseInt(myC_Top.cells[3].innerText);month--;if(month<1)...{month=12;year--;}showDate(year,month);}




function divS(obj)




...{


if(obj!=divObj)




...{


obj.style.backgroundColor="#909eff";


obj.style.color='black';


}


if(divObj!=null)




...{


divObj.style.backgroundColor='';


divObj.style.color='';


}


divObj = obj;


}




function divShow(obj)




...{


if (myC_timeset!=null) clearTimeout(myC_timeset);


obj.style.display='block';


}






function divHidden(obj)...{myC_timeset=window.setTimeout(function()...{obj.style.display='none'},500);}




function createyear(year,obj)//创建年份选择




...{


var ystr;


var oDiv;


ystr="<table class='move1' cellspacing=0 cellpadding=2 width="+obj.offsetWidth+">";


ystr+="<tr><td style='cursor:hand' onclick='createyear("+(year-20)+",myC_Top.cells[2])' align=center>上翻</td></tr>";


for(i=year-10;i<year+10;i++)


if(year==i)


ystr+="<tr style='background-color:#909eff'><td style='color:black;height:16px;cursor:hand' align=center onclick='myC_Top.cells[2].innerText=this.innerText;showDate("+i+",parseInt(myC_Top.cells[3].innerText));myC.parentElement.nextSibling.innerHTML=""'>"+i+"年</td></tr>";


else


ystr+="<tr><td align=center style='cursor:hand' onmouseover=divS(this) onclick='myC_Top.cells[2].innerText=this.innerText;showDate("+i+",parseInt(myC_Top.cells[3].innerText));myC.parentElement.nextSibling.innerHTML=""'>"+i+"年</td></tr>";


ystr+="<tr><td style='cursor:hand' onclick='createyear("+(year+20)+",myC_Top.cells[2])' align=center>下翻</td></tr>";


ystr+="</table>";


oDiv = myC.parentElement.nextSibling;


oDiv.innerHTML='';


oDiv.innerHTML = ystr;


showDiv(oDiv,obj.offsetTop+obj.offsetHeight,obj.offsetLeft);


}




function createmonth(month,obj)//创建月份选择




...{


var mstr;


var oDiv;


mstr="<table class='move1' cellspacing=0 cellpadding=2 width="+(obj.offsetWidth+5)+">";


for(i=1;i<13;i++)


if (month==i)


mstr+="<tr style='background-color:#909eff'><td style='color:black;height:16px;cursor:hand' align=center onclick='myC_Top.cells[3].innerText=this.innerText;showDate(parseInt(myC_Top.cells[2].innerText),"+i+");myC.parentElement.nextSibling.innerHTML=""'>"+i+"月</td></tr>";


else


mstr+="<tr><td align=center style='cursor:hand' onmouseover='divS(this)' onclick='myC_Top.cells[3].innerText=this.innerText;showDate(parseInt(myC_Top.cells[2].innerText),"+i+");myC.parentElement.nextSibling.innerHTML=""'>"+i+"月</td></tr>";


mstr+="</table>";


oDiv = myC.parentElement.nextSibling;


oDiv.innerHTML='';


oDiv.innerHTML = mstr;


showDiv(oDiv,obj.offsetTop+obj.offsetHeight,obj.offsetLeft);


}




function showDiv(obj,top,left)




...{


obj.style.pixelTop=top;


obj.style.pixelLeft=left;


}




function myCMove(obj)




...{




if(event.button==1)...{


var X = obj.clientLeft;


var Y = obj.clientTop;


obj.style.pixelLeft= X+(event.x-myC_x);


obj.style.pixelTop= Y+(event.y-myC_y);


window.status=myC_y;


}


}




//对原来不能准确定位DIV初始位置进行修正。modify by heroying 20070614


function showDiv2(obj)




...{


setObjectName = obj;


inputName=obj.name;


var e=obj;


//每次统计父控件X、Y值前先清空历史数据。


gp_otop = 0;


gp_oleft = 0;


//递归统计父控件X、Y值


GetParent(e);


//加上当前控件X、Y值


myC_div.style.pixelTop = gp_otop+setObjectName.offsetHeight+setObjectName.offsetTop;


myC_div.style.pixelLeft = gp_oleft+setObjectName.offsetLeft;




myC_div.style.display="block";


}




//递归查找父控件,并累计父控件的X值和Y值.add by heroying 20070614


function GetParent(obj)




...{




if(obj.offsetParent!=undefined)...{


gp_otop += obj.offsetParent.offsetTop;//累加y值


gp_oleft += obj.offsetParent.offsetLeft;//累加x值


GetParent(obj.offsetParent);//递归查找




}else...{


return;


}


}






function createInput(name)...{


myC_div.style.display='none';


document.write("<input type='hidden' name='Calendar_HY_init'>");


}




// --------------End ---------------------

一个页面范例test.html


<html>


<head>


<script src='./Calendar_HY.js'></script>




<script>...


var myCalendar=new myCalendar;


//myCalendar.year=2006;


myCalendar.show();


myCalendar.input("txt1");


</script>


</head>


<body >


<input type="text" name="test" onclick="showDiv2(this)" readonly=true>


<input type="text" name="test1" onclick="showDiv2(this)" readonly=true>


<input type="text" name="test2" onclick="showDiv2(this)" readonly=true>


<input type="text" name="test3" onfocus="showDiv2(this)" readonly=true>


<input type="text" name="test4" onfocus="showDiv2(this)" readonly=true>


<br>


<br>


<br>


<br>


<br>


<br>


<br>


<br>


<br>


<input type="text" name="bbbb" >


</body>


<html>