日期:2014-05-16 浏览次数:20454 次
日历控件经常在平常的工作中使用到,他的实现方法以前并没有深入研究,今天写了一个简单的,知识打印出日历的基本结构,以后会添加更强大的功能。请关注后面的文章.
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title> 日历 </title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<style type="text/css">
</style>
</head>
<body>
<div id="calendar">
</div>
</body>
</html>
<script type="text/javascript">
<!--
function Calendar(year,month,day){
if(typeof year!="number"||typeof month !="number"){
throw new Error("参数必须为整形");
}
this.year=year;
this.month=month;
this.day=day;
this.daysOfMonth=[31,0,31,30,31,30,31,30,30,31,30,31]
Calendar.prototype.getDaysOfMonth=function(){
var value=this.daysOfMonth[this.month-1];
if(value==0){
if((this.year%4==0&&this.yea%100!=0)||(this.yea%400==0))
{
value=29
}
else
{
value=28
}
}
return value;
};
//获取本月的第一天是星期几
Calendar.prototype.getDayBeginOfMonth=function(){
var today=new Date();
today.setYear(this.year);
today.setMonth(this.month-1);
today.setDate(1);
return today.getDay();
};
//获取本月的最后一天是星期几
Calendar.prototype.getDayEndOfMonth=function(){
var today=new Date();
today.setYear(this.year);
today.setMonth(this.month-1);
today.setDate(this.getDaysOfMonth());
return today.getDay();
};
//获取日历数组
Calendar.prototype.getCalData=function(){
var days=this.getDaysOfMonth();
var firstDay=this.getDayBeginOfMonth();
var lastDay=this.getDayEndOfMonth();
var data=new Array(firstDay+days+6-lastDay);
for(var i=0,j=0;i<data.length;i++){
if(i<firstDay||i>=(days+firstDay)){
data[i]="";
}else{
j++;
data[i]=j;
}
}
return data;
};
}
var cal=new Calendar(2012,3);
var data=cal.getCalData();
var calendarDom=document.getElementById("calendar");
var table=document.createElement("table");
for(var i=0;i<data.length;i++){
if(i%7==0){
table.insertRow(-1);
}
var curRow=table.rows[parseInt(i/7)];
var curCell=document.createElement("td");
curCell.innerHTML=data[i];
curRow.appendChild(curCell);
}
calendarDom.appendChild(table);
//-->
</script>
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