日期:2014-05-16 浏览次数:20394 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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