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用javascript编写日历,js简单日历代码
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如何用JavaScript编一个简单的日历
script language=javascript
var DS_x,DS_y;
function dateSelector() //构造dateSelector对象，用来实现一个日历形式的日期输入框。
{
var myDate=new Date();
this.year=myDate.getFullYear(); //定义year属性，年份，默认值为当前系统年份。
this.month=myDate.getMonth()+1; //定义month属性，月份，默认值为当前系统月份。
this.date=myDate.getDate(); //定义date属性，日，默认值为当前系统的日。
this.inputName=''; //定义inputName属性，即输入框的name，默认值为空。注意：在同一页中出现多个日期输入框，不能有重复的name！
this.display=display; //定义display方法，用来显示日期输入框。
}
function display() //定义dateSelector的display方法，它将实现一个日历形式的日期选择框。
{
var week=new Array('日','一','二','三','四','五','六');
document.write("style type=text/css");
document.write(" .ds_font td,span { font: normal 12px 宋体; color: #000000; }");
document.write(" .ds_border { border: 1px solid #000000; cursor: hand; background-color: #DDDDDD }");
document.write(" .ds_border2 { border: 1px solid #000000; cursor: hand; background-color: #DDDDDD }");
document.write("/style");
document.write("input style='text-align:center;' id='DS_"+this.inputName+"' name='"+this.inputName+"' value='"+this.year+"-"+this.month+"-"+this.date+"' title=双击可进行编缉 ondblclick='this.readOnly=false;this.focus()' onblur='this.readOnly=true' readonly");
document.write("button style='width:60px;height:18px;font-size:12px;margin:1px;border:1px solid #A4B3C8;background-color:#DFE7EF;' type=button onclick=this.nextSibling.style.display='block' onfocus=this.blur()选择日期/button");
document.write("div style='position:absolute;display:none;text-align:center;width:0px;height:0px;overflow:visible' onselectstart='return false;'");
document.write(" div style='position:absolute;left:-60px;top:20px;width:142px;height:165px;background-color:#F6F6F6;border:1px solid #245B7D;' class=ds_font");
document.write(" table cellpadding=0 cellspacing=1 width=140 height=20 bgcolor=#CEDAE7 onmousedown='DS_x=event.x-parentNode.style.pixelLeft;DS_y=event.y-parentNode.style.pixelTop;setCapture();' onmouseup='releaseCapture();' onmousemove='dsMove(this.parentNode)' style='cursor:move;'");
document.write(" tr align=center");
document.write(" td width=12% onmouseover=this.className='ds_border' onmouseout=this.className='' onclick=subYear(this) title='减小年份'/td");
document.write(" td width=12% onmouseover=this.className='ds_border' onmouseout=this.className='' onclick=subMonth(this) title='减小月份'/td");
document.write(" td width=52%b"+this.year+"/bb年/bb"+this.month+"/bb月/b/td");
document.write(" td width=12% onmouseover=this.className='ds_border' onmouseout=this.className='' onclick=addMonth(this) title='增加月份'/td");
document.write(" td width=12% onmouseover=this.className='ds_border' onmouseout=this.className='' onclick=addYear(this) title='增加年份'/td");
document.write(" /tr");
document.write(" /table");
document.write(" table cellpadding=0 cellspacing=0 width=140 height=20 onmousedown='DS_x=event.x-parentNode.style.pixelLeft;DS_y=event.y-parentNode.style.pixelTop;setCapture();' onmouseup='releaseCapture();' onmousemove='dsMove(this.parentNode)' style='cursor:move;'");
document.write(" tr align=center");
for(i=0;i7;i++)
document.write(" td"+week[i]+"/td");
document.write(" /tr");
document.write(" /table");
document.write(" table cellpadding=0 cellspacing=2 width=140 bgcolor=#EEEEEE");
for(i=0;i6;i++)
{
document.write(" tr align=center");
for(j=0;j7;j++)
document.write(" td width=10% height=16 onmouseover=if(this.innerText!=''this.className!='ds_border2')this.className='ds_border' onmouseout=if(this.className!='ds_border2')this.className='' onclick=getvalue(this,document.all('DS_"+this.inputName+"'))/td");
document.write(" /tr");
}
document.write(" /table");
document.write(" span style=cursor:hand onclick=this.parentNode.parentNode.style.display='none'【关闭】/span");
document.write(" /div");
document.write("/div");
dateShow(document.all("DS_"+this.inputName).nextSibling.nextSibling.childNodes[0].childNodes[2],this.year,this.month)
}
function subYear(obj) //减小年份
{
var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;
myObj[0].innerHTML=eval(myObj[0].innerHTML)-1;
dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))
}
function addYear(obj) //增加年份
{
var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;
myObj[0].innerHTML=eval(myObj[0].innerHTML)+1;
dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))
}
function subMonth(obj) //减小月份
{
var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;
var month=eval(myObj[2].innerHTML)-1;
if(month==0)
{
month=12;
subYear(obj);
}
myObj[2].innerHTML=month;
dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))
}
function addMonth(obj) //增加月份
{
var myObj=obj.parentNode.parentNode.parentNode.cells[2].childNodes;
var month=eval(myObj[2].innerHTML)+1;
if(month==13)
{
month=1;
addYear(obj);
}
myObj[2].innerHTML=month;
dateShow(obj.parentNode.parentNode.parentNode.nextSibling.nextSibling,eval(myObj[0].innerHTML),eval(myObj[2].innerHTML))
}
function dateShow(obj,year,month) //显示各月份的日
{
var myDate=new Date(year,month-1,1);
var today=new Date();
var day=myDate.getDay();
var selectDate=obj.parentNode.parentNode.previousSibling.previousSibling.value.split('-');
var length;
switch(month)
{
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
length=31;
break;
case 4:
case 6:
case 9:
case 11:
length=30;
break;
case 2:
if((year%4==0)(year%100!=0)||(year%400==0))
length=29;
else
length=28;
}
for(i=0;iobj.cells.length;i++)
{
obj.cells[i].innerHTML='';
obj.cells[i].style.color='';
obj.cells[i].className='';
}
for(i=0;ilength;i++)
{
obj.cells[i+day].innerHTML=(i+1);
if(year==today.getFullYear()(month-1)==today.getMonth()(i+1)==today.getDate())
obj.cells[i+day].style.color='red';
if(year==eval(selectDate[0])month==eval(selectDate[1])(i+1)==eval(selectDate[2]))
obj.cells[i+day].className='ds_border2';
}
}
function getvalue(obj,inputObj) //把选择的日期传给输入框
{
var myObj=inputObj.nextSibling.nextSibling.childNodes[0].childNodes[0].cells[2].childNodes;
if(obj.innerHTML)
inputObj.value=myObj[0].innerHTML+"-"+myObj[2].innerHTML+"-"+obj.innerHTML;
inputObj.nextSibling.nextSibling.style.display='none';
for(i=0;iobj.parentNode.parentNode.parentNode.cells.length;i++)
obj.parentNode.parentNode.parentNode.cells[i].className='';
obj.className='ds_border2'
}
function dsMove(obj) //实现层的拖移
{
if(event.button==1)
{
var X=obj.clientLeft;
var Y=obj.clientTop;
obj.style.pixelLeft=X+(event.x-DS_x);
obj.style.pixelTop=Y+(event.y-DS_y);
}
}
/script
从
script language=javascript
var myDate=new dateSelector();
myDate.year--;
myDate.inputName='start_date'; //注意这里设置输入框的name，同一页中日期输入框，不能出现重复的name。
myDate.display();
/script
相关问答
Q1: javascript html实现网页版日历代码
本文实例为大家分享了网页版日历代码，供大家参考，具体内容如下
效果图：
实现代码：
html
head
link
rel="stylesheet"
type="text/css"
href="Skin.css"
style
!--
table{
text-align:
center
}
--
/style
/head
body
div
align="center"
script
language="javascript"
var
my
=
new
Date();
function
showc()
{
var
k=1;
var
j=1;
var
today;
var
tomonth;
var
theday=1;//日期
var
max;
var
temp;
var
tempday;//这个月第一天的星期
document.write
("b"
+
my.getFullYear()
+
"-"
+
(my.getMonth()+1)
+
"/b");
document.write
("table
border='1'
width='273'
height='158'");
document.write
("tr");
document.write
("td
height='23'
width='39'font
color='red'Sun/font/td");
document.write
("td
height='23'
width='39'Mon/td");
document.write
("td
height='23'
width='39'Tue/td");
document.write
("td
height='23'
width='39'Wed/td");
document.write
("td
height='23'
width='39'Thu/td");
document.write
("td
height='23'
width='39'Fri/td");
document.write
("td
height='23'
width='39'Sat/td");
document.write
("/tr");
temp=my.getDate();
my.setDate(1);
//document.write
(my.getDate());
tempday=my.getDay();//返回第一天是星期几
my.setDate(temp);
today=my.getDay();//返回现在星期几
switch
((my.getMonth()+1))
{
case
1:
case
3:
case
5:
case
7:
case
8:
case
10:
case
12:
max=31;
break;
case
4:
case
6:
case
9:
case
11:
max=30;
break;
default:
max=29;//这里没有考虑闰月！！
//document.write
(max);
}
for(k=0;k6;k++)
{
document.write
("tr");
for(j=0;j=6;j++)
{
document.write
("td
height='23'
width='39'");
if(j=(tempday))
{
tempday=0;//设置为最小，相当于取消判断条件
if(theday=max)
{
document.write
("a
title="
+
my.getFullYear()
+
"-"
+
(my.getMonth()+1)
+
"-"
+theday
+
"
target='_blank'
href=detail.asp?date="
+
theday
+
"");
if(theday==my.getDate())
document.write
("font
color='green'["
+
theday
+
"]/font/a");
else
if(j==0)
document.write
("font
color='red'"
+
theday
+
"/font/a");
else
document.write
(theday
+
"/a");
theday++;
}
}
document.write
("/td");
}
document.write
("/tr");
}
document.write
("/table");
}
showc();
/script
/div
body
/html
以上就是本文的全部内容，希望大家可以轻松实现网页版日历。
Q2: PC端如何用js做点击日历选中一周
1.写一个获取当前时间的脚本
2.写一个获取事件源绝对坐标的脚本
3.写一个日历生成脚本，根据年(闰年)月(大小月)周(周一到周日)生成日历
4.当事件源(一般是文本框)获得焦点的时候，触发获取绝对坐标的事件，然后生成当前月的日历，将此日历的坐标用脚本移动到文本框下方
5.生成日历的时候，给所有日添加返回事件，把当前选中的年月日反馈
Q3: 关于用JAVASCRIPT做日历的问题！
html
headmeta http-equiv="Content-Type" content="text/html; charset=gb2312"
title日期选择 - BY ziyue/title
script language="JavaScript" type="text/JavaScript"
/*=======Calendar.js=======By Jiang Hongbin=======*/
var months = new Array("一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月");
var daysInMonth = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
var days = new Array("日","一", "二", "三", "四", "五", "六");
var today;
document.writeln("div id='Calendar' style='position:absolute; z-index:1; visibility: hidden; filter:\"progid:DXImageTransform.Microsoft.Shadow(direction=135,color=#999999,strength=3)\"'/div");
function getDays(month, year)
{
//下面的这段代码是判断当前是否是闰年的
if (1 == month)
return ((0 == year % 4) (0 != (year % 100))) || (0 == year % 400) ? 29 : 28;
else
return daysInMonth[month];
}
function getToday()
{
//得到今天的年,月,日
this.now = new Date();
this.year = this.now.getFullYear();
this.month = this.now.getMonth();
this.day = this.now.getDate();
}
function getStringDay(str)
{
//得到输入框的年,月,日
var str=str.split("-")
this.now = new Date(parseFloat(str[0]),parseFloat(str[1])-1,parseFloat(str[2]));
this.year = this.now.getFullYear();
this.month = this.now.getMonth();
this.day = this.now.getDate();
}
function newCalendar() {
var parseYear = parseInt(document.all.Year.options[document.all.Year.selectedIndex].value);
var newCal = new Date(parseYear, document.all.Month.selectedIndex, 1);
var day = -1;
var startDay = newCal.getDay();
var daily = 0;
if ((today.year == newCal.getFullYear()) (today.month == newCal.getMonth()))
day = today.day;
var tableCal = document.all.calendar;
var intDaysInMonth =getDays(newCal.getMonth(), newCal.getFullYear());
for (var intWeek = 1; intWeek tableCal.rows.length;intWeek++)
for (var intDay = 0;intDay tableCal.rows[intWeek].cells.length;intDay++)
{
var cell = tableCal.rows[intWeek].cells[intDay];
if ((intDay == startDay) (0 == daily))
daily = 1;
if(day==daily) //今天，调用今天的Class
{
cell.style.background='#6699CC';
cell.style.color='#FFFFFF';
//cell.style.fontWeight='bold';
}
else if(intDay==6) //周六
cell.style.color='green';
else if (intDay==0) //周日
cell.style.color='red';
if ((daily 0) (daily = intDaysInMonth))
{
cell.innerText = daily;
daily++;
}
else
cell.innerText = "";
}
}
function GetDate(InputBox)
{
var sDate;
//这段代码处理鼠标点击的情况
if (event.srcElement.tagName == "TD")
if (event.srcElement.innerText != "")
{
sDate = document.all.Year.value + "-" + document.all.Month.value + "-" + event.srcElement.innerText;
eval("document.all."+InputBox).value=sDate;
HiddenCalendar();
}
}
function HiddenCalendar()
{
//关闭选择窗口
document.all.Calendar.style.visibility='hidden';
}
function ShowCalendar(InputBox)
{
var x,y,intLoop,intWeeks,intDays;
var DivContent;
var year,month,day;
//var o=document.getElementById(InputBox);
var o=InputBox;
var oid=o.id;
var thisyear; //真正的今年年份
if(!oid)oid=o.name;
thisyear=new getToday();
thisyear=thisyear.year;
today = o.value;
if(isDate(today))
today = new getStringDay(today);
else
today = new getToday();
//显示的位置
x=o.offsetLeft;
y=o.offsetTop;
while(o=o.offsetParent)
{
x+=o.offsetLeft;
y+=o.offsetTop;
}
document.all.Calendar.style.left=x+2;
document.all.Calendar.style.top=y+20;
document.all.Calendar.style.visibility="visible";
//下面开始输出日历表格(border-color:#9DBAF7)
DivContent="table border='0' cellspacing='0' style='border:1px solid #0066FF; background-color:#EDF2FC'";
DivContent+="tr";
DivContent+="td style='border-bottom:1px solid #0066FF; background-color:#C7D8FA'";
//年
DivContent+="select name='Year' id='Year' onChange='newCalendar()' style='font-family:Verdana; font-size:12px'";
for (intLoop = thisyear - 100; intLoop (thisyear + 2); intLoop++)
DivContent+="option value= " + intLoop + " " + (today.year == intLoop ? "Selected" : "") + "" + intLoop + "/option";
DivContent+="/select";
//月
DivContent+="select name='Month' id='Month' onChange='newCalendar()' style='font-family:Verdana; font-size:12px'";
for (intLoop = 0; intLoop months.length; intLoop++)
DivContent+="option value= " + (intLoop + 1) + " " + (today.month == intLoop ? "Selected" : "") + "" + months[intLoop] + "/option";
DivContent+="/select";
DivContent+="/td";
DivContent+="td style='border-bottom:1px solid #0066FF; background-color:#C7D8FA; font-weight:bold; font-family:Wingdings 2,Wingdings,Webdings; font-size:16px; padding-top:2px; color:#4477FF; cursor:hand' align='center' title='关闭' onClick='javascript:HiddenCalendar()'S/td";
DivContent+="/tr";
DivContent+="trtd align='center' colspan='2'";
DivContent+="table id='calendar' border='0' width='100%'";
//星期
DivContent+="tr";
for (intLoop = 0; intLoop days.length; intLoop++)
DivContent+="td align='center' style='font-size:12px'" + days[intLoop] + "/td";
DivContent+="/tr";
//天
for (intWeeks = 0; intWeeks 6; intWeeks++)
{
DivContent+="tr";
for (intDays = 0; intDays days.length; intDays++)
DivContent+="td onClick='GetDate(\"" + oid + "\")' style='cursor:hand; border-right:1px solid #BBBBBB; border-bottom:1px solid #BBBBBB; color:#215DC6; font-family:Verdana; font-size:12px' align='center'/td";
DivContent+="/tr";
}
DivContent+="/table/td/tr/table";
document.all.Calendar.innerHTML=DivContent;
newCalendar();
}
function isDate(dateStr)
{
var datePat = /^(\d{4})(\-)(\d{1,2})(\-)(\d{1,2})$/;
var matchArray = dateStr.match(datePat);
if (matchArray == null) return false;
var month = matchArray[3];
var day = matchArray[5];
var year = matchArray[1];
if (month 1 || month 12) return false;
if (day 1 || day 31) return false;
if ((month==4 || month==6 || month==9 || month==11) day==31) return false;
if (month == 2)
{
var isleap = (year % 4 == 0 (year % 100 != 0 || year % 400 == 0));
if (day 29 || (day==29 !isleap)) return false;
}
return true;
}
/script
style type="text/css"
!--
td,input {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 12px;
}
--
/style
/head
body
form name="form1" method="post" action=""
table width="500" border="0" align="center" cellspacing="1" bgcolor="#CCCCCC"
tr bgcolor="#FFFFFF"
td align="right"您的生日：/td
tdinput name="birthday" type="text" id="birthday" title="点击选择" onClick="javascript:ShowCalendar(this)" size="20"
input type="button" name="Submit" value="选 择" onClick="javascript:ShowCalendar(form1.birthday)"/td
tdBLOG:a href="";/a/td
/tr
/table
/form
/body
/html
Q4: 如何用JavaScript编写一个万年历
html
head
base fptype="TRUE"
meta http-equiv="Content-Type" content="text/html; charset=gb2312"
title本地时间/title
scriptsetInterval("jnkc.innerHTML=new Date().toLocaleString()+' 星期'+'日一二三四五六'.charAt(new Date().getDay());",1000);/script
marquee scrollamount=8div id='jnkc'/div
/marquee
/head
body
script language=javascript
function settab()
{
var tab=document.getElementById('tab1');
//alert(se1.options[se1.selectedIndex].text)
var se11=se1.options[se1.selectedIndex].text;
var se21=se2.options[se2.selectedIndex].text;//下拉列表中的日期
//alert(se11+","+se21)
var lastday=new Date(se11,se21,0).getDate();//所选择月的天数
var firstday=new Date(se11,se21-1,1).getDay();//选择月的第一天是星期几
//alert(lastday+","+firstday)
var weekend;//每周的最后一天的日期
var lines;//第几行，相对于表格，星期为第零行
//第一行日期
for(var lin1=0;lin17;lin1++)
{
if(lin1firstday)
tab.rows[1].cells[lin1].innerHTML=" ";
else
if(lin1==0||lin1==6)
tab.rows[1].cells[lin1].innerHTML="font color=red"+(lin1-firstday+1)+"/font";
else
tab.rows[1].cells[lin1].innerHTML=lin1-firstday+1;
//alert(lin1+","+firstday)
weekend=lin1-firstday+1;
lines=1;//第一行
}
//将最后2行值空之后再添加数据，以免遗留上一个月的数据,二行相对于非闰年的二月份
for(var i=0;i7;i++)
{
tab.rows[5].cells[i].innerHTML=" ";
tab.rows[6].cells[i].innerHTML=" ";
}
while(weekendlastday)//循环到月末
{
for(var lin2=0;lin27;lin2++)
{
if(weekend+lin2lastday)//数字小于等于当前月的最后一天
{
if(lin2==0||lin2==6)
tab.rows[lines+1].cells[lin2].innerHTML="font color=red"+(weekend+1+lin2)+"/font";
else
tab.rows[lines+1].cells[lin2].innerHTML=weekend+1+lin2;
}
Q5: javascript怎么制作日历控件？
肯定你得设计一个日历控件的界面，关于界面的展现就需要用到CSS和html相关知识和内容了，为了好看，一般都会需要有素材图片。
界面上的设计这个仁者见仁不好说，但是一般都会有的元素有年份、月份选择栏，日期选择栏
还有一个选择之后，日期的值的展示对象（一般是input或者div元素对象na）
确定好这些必要元素后，你就可以考虑与这些对象相关的行为 有哪些，对应的方法是什么。
如果我来做，就会有一个总体的日历类calendar,他包含
init方法初始化（如动态创建日历控件的必要元素，和初始值等，根据已有日期展现控件界面）
dayChoose方法（用户的最终日期选择处理）
monthChoose方法（用户修改月份后界面的改变，界面中日期肯定有变动）
yearChooes方法（用户修改年份后，界面的改变，考虑闰年问题）
当然在具体做的过程中还能抽象出不少相对独立的方法过程。
最好你能去参考网上开源日历控件，看它们的代码，去理解它们的思路，以上想法是我个人简单设想，偏过程化，没有很好的使用面向对象的编程思想
