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    JavaScript 日期选择功能 三
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[文章分类:电脑系统/网络/HTML/CSS/JavaScript][字体:隶体/楷体/宋体/黑体][字号:12px/14px/16px/18px][颜色:] 
<html>
<head>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>网页特效代码|JsCode.CN|---又一款日期输入控件,可以输入当前的时间</title>
</head>

<body>

<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>

</body>

</html>

文章作者:未知  整理日期:2008-03-23
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