最简洁的日历控件(原创)

来源：互联网发布：c语言怎么输入n个数编辑：程序博客网时间：2024/06/05 17:38

这是段专心看看JS,对日历控件颇有兴趣.
写了一个JS日历控件,本人认为是挺简洁的,供初学者参考.

date.js

//author:Qin Hao
//createDate:2007-09-28
function draw(obj)
{
this.year    = new Date().getFullYear();//取得年份
this.month   = new Date().getMonth();//取得月份
this.date    = new Date().getDate();//取得日期
this.result = "";
this.fday    = "";
this.fdate   = "";
this.ldate   = "";
this.x=0;
this.y=0;
this.obj=obj;
this.YearSt = 1950;
this.YearEnd = 2050;
this.createTable(1);
}
draw.prototype.createTable=function(IsDiv)
{
this.fday=new Date(this.year,this.month,1).getDay();
this.fdate=1-this.fday;
this.ldate=new Date(this.year,this.month+1,0).getDate();
var str="";
if(IsDiv==1)
{
    var str="<div style='height:0px; width:0px; border:2 px; z-index:500; position:absolute;left:0px; top: 0px; z-index:5000; display:none' id='Div' >";
}
str+="<table style="+this.style+">";
str+="<tr>";
//显示年份的下拉框
str+="<td style=font-size: 12px;color: #000000;line-height: 150%;>";
str+="<select id=ddlYear onchange='YYchange();' style=margin:-2px>";
for(var i=this.YearSt;i <= this.YearEnd;i ++)
   {
     str+="<option value=" + i + ">"+ i+ "年</option>";
   }
str+="</select>";
str+="</td>";
//显示月份的下拉框
str+="<td style=font-size: 12px;color: #000000;line-height: 150%;>";
str+="<select id=ddlMonth onchange='MMchange();' style=margin:-2px>";
for(var i=1;i <= 12;i ++)
   {
     str+="<option value=" + (i-1) + ">"+ i+ "月</option>";
   }
str+="</select>";
str+="</td>";
str+="</tr>";
str+="</table>";
//显示年份，月份调节按钮
str+="<table>";
str+="<tr align=center>";
str+="<td style='font-size: 12px;color: #000000;line-height: 150%;'>&nbsp&nbsp&nbsp&nbsp</td>";
str+="<td style='font-size: 12px;color: #000000;line-height: 150%;cursor:hand' id=preYear onclick=perYear()>▲</td>";
str+="<td style='font-size: 12px;color: #000000;line-height: 150%;'>年</td>";
str+="<td style='font-size: 12px;color: #000000;line-height: 150%;cursor:hand 'id=nextYear onclick=nextYear()>▼</td>";
str+="<td style='font-size: 12px;color: #000000;line-height: 150%;cursor:hand' id=showm></td>";
str+="<td style='font-size: 12px;color: #000000;line-height: 150%;cursor:hand' id=preMonth onclick=preMonth()>▲</td>";
str+="<td style='font-size: 12px;color: #000000;line-height: 150%;'>月</td>";
str+="<td style='font-size: 12px;color: #000000;line-height: 150%;cursor:hand' id=nextMonth onclick=nextMonth()>▼</td>";
str+="<td style='font-size: 12px;color: #000000;line-height: 150%;cursor:hand' id=shown></td>";
str+="</tr>";
str+="</table>";
//显示星期表头
str+= "<table border='1' >";
str+= "<tr>";
str+= "<td style='font-size: 12px;color: #000000;line-height: 150%;'>日</td><td style='font-size: 12px;color: #000000;line-height: 150%;'>一</td><td style='font-size: 12px;color: #000000;line-height: 150%;'>二</td><td style='font-size: 12px;color: #000000;line-height: 150%;'>三</td><td style='font-size: 12px;color: #000000;line-height: 150%;'>四</td><td style='font-size: 12px;color: #000000;line-height: 150%;'>五</td><td style='font-size: 12px;color: #000000;line-height: 150%;'>六</td>";
str+= "</tr>";
str+= "</table>";
//显示日期
str+="<table border='1'style=background-color:#CCCCCC;>";
for(var i=1,j=this.fdate;i<7;i++)
{
    str+="<tr>";
      for(var k=0;k<7;k++)
      {
         if(this.isdate(j)=="")
         {
           str+="<td style='font-size: 12px;color: #000000;line-height: 150%;";
         }
         else
         {
           str+="<td d='"+this.year+"-"+(parseInt(this.month)+1).toString()+"-"+this.isdate(j)+"' onclick='getdate(d)'   style='font-size: 12px;color: #000000;line-height: 150%;";
         }
        if(j==this.date)
        {
          str+="BACKGROUND-COLOR:#60a0d5;COLOR: white;CURSOR: hand;'>"//将当前日期设背景颜色
        }
        else
        {
          str+="CURSOR: hand;'>"
        }
        str+=this.isdate(j++);
        str+="</td>";
      }
    str+="</tr>";
}
str+="</table>";
str+="<table>"
str+="<tr>";
str+="<td style=font-size: 12px;color: #000000;line-height: 150%;>&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp</td>";
str+="<td onclick=hide() style='font-size: 12px;color: #000000;line-height: 150%;CURSOR: hand;'>"
str+="关闭";
str+="</td>";
str+="<td onclick=Clear() style='font-size: 12px;color: #000000;line-height: 150%;CURSOR: hand;'>"
str+="清空";
str+="</td>";
str+="</tr>"
str+="</table>";

    if(IsDiv==1)
    {
       str+="</div>";
    }
this.result=str;

}
//查验日期的范围
draw.prototype.isdate=function(n)
{
// return (n>=1&&n<=ldate)?n:"";
    if (n>=1&&n<=this.ldate)
      {
         return n;
      }
    else
      {
        return "";
      }
}
var date=new draw();
date.createTable(1);
document.write(date.result);
show();

//年、月下拉框显示当前选中的年、月份
function show()
{
var ddlYear   = document.getElementById("ddlYear");
var ddlMonth = document.getElementById("ddlMonth")
ddlYear.value=date.year;
ddlMonth.value=date.month;
}
//月下拉框改变事件
function MMchange()
{
    var ddlMonth=document.getElementById("ddlMonth");
    date.month=ddlMonth.value;
    date.createTable();
    var div=document.getElementById("Div");
    div.innerHTML=date.result;
    show();
}
//年下拉框改变事件
function YYchange()
{
    var ddlYear=document.getElementById("ddlYear");
    var div=document.getElementById("Div");
    date.year=ddlYear.value;
    date.createTable();
    div.innerHTML=date.result;
    show();
}
//上一年事件
function perYear()
{
if(date.year!=date.YearSt)
   {
   　 date.year--;
      date.createTable();
      var div=document.getElementById("Div");
      div.innerHTML=date.result;
      show();
   }
}
//下一年事件
function nextYear()
{
if(date.year!=date.YearEnd)
   {
   　 date.year++;
      date.createTable();
      var div=document.getElementById("Div");
      div.innerHTML=date.result;
      show();
   }
}
//上一月事件
function preMonth()
{

　if(date.month!=0)
　{
   　date.month--;
     date.createTable();
     var div=document.getElementById("Div");
     div.innerHTML=date.result;
     show();
   }
}
//下一月事件
function nextMonth()
{
　if(date.month!=11)
　{
   　date.month++;
     date.createTable();
     var div=document.getElementById("Div");
     div.innerHTML=date.result;
     show();
   }
}
//显示并定位
function showdate(oo)
{
    date.obj=oo;
    var div=document.getElementById("Div");
    div.style.display="block";
    div.style.left=window.event.x+"px";
    div.style.top=window.event.y+"px";
    CloseDiv();
}
//获取日期
function getdate(id)
{
   (date.obj).value=id;
   var div=document.getElementById("Div");
   div.style.display="none";
}
//隐藏
function hide()
{
   var div=document.getElementById("Div");
   div.style.display="none";
}
//清空
function Clear()
{
date.obj.value = "";
hide();
}
//当点击日期控件外，日期控件关闭。
    function CloseDiv()
    {
        var body=document;//.body;
        body.onclick=function()
        {
             var div=document.getElementById("Div");
             with(window.event.srcElement){
               if (id != date.obj.id&&id != "Div"&&id != "ddlYear"&&id != "ddlMonth"&&id != "preMonth"&&id != "perYear"&&id != "nextYear"&&id != "nextMonth")
                div.style.display="none";
              }

        }
    }

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
    <script src="js/date.js" type="text/javascript" ></script>
<style type=text/css>
td
{
   font-size: 12px;
   color: #000000;
   line-height: 150%;
}
</style>
</head>