Js日历选择可用于.net-优快云博客

本文介绍了一个ASP.NET页面中实现的日历控件代码。该控件使用C#作为后台语言，并通过JavaScript提供了日历弹出和日期选择的功能。代码包括了ASP.NET的HTML结构、JavaScript日期处理逻辑及样式设置。

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找了半天终于找到了这个代码，现收藏如下：

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="test.aspx.cs" Inherits="test" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>无标题页</title>
    <script language="javascript" type="text/javascript" src="js/calendar.js"></script>
</head>
<body>
    <form id="form1" runat="server">
    <div>

调用:<asp:TextBox ID="enddatetime" runat="server" onClick="javascript:ShowCalendar(this)"></asp:TextBox> 
      <input name="birthday" type="text" id="birthday" title="点击选择" onClick="javascript:ShowCalendar(this)" size="20">

    </div>
    </form>
</body>
</html>

以下是引入的JS。

/*=======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+="<tr><td 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;
}