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日期选择

在输入日期时,规范操作人员的输入!

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="Author" content="Jiang Hongbin">
<title>日期选择 - BY ziyue</title>
<script language="JavaScript" type="text/JavaScript">
// 日期选择
// By Ziyue(http://www.web-v.com/)
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
    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,10);
    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=eval("document.all."+InputBox);
    var thisyear; //真正的今年年份
  
    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 - 35; 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(\"" + InputBox + "\")' 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">
        <tbody>
      <tr bgcolor="#FFFFFF">
          <td align="right">您的生日:</td>
          <td><input name="birthday" type="text" id="birthday" title="点击选择" onClick="javascript:ShowCalendar(this.id)" size="20">
             <input type="button" name="Submit" value="选 择" onClick="javascript:ShowCalendar('birthday')"></td>
      </tr>
          </tbody>
      </table>
</form>
</body>
</html>

posted on 2006-03-26 13:34  透明_人  阅读(164)  评论(0)    收藏  举报