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  • 用JavaScript實現的日歷

    發表于:2007-06-21來源:作者:點擊數: 標簽:
    calendar.css: .cal { background-color: #ffffff; } .head { color: #bb0000; font-family: Arial; font-weight: bold; text-align: left; } .days { color: #0000bb; font-family: Arial; font-weight: bold; text-align: right; } .grey { color: #ffffff

       


    calendar.css:
    .cal {
    background-color: #ffffff;
    }

    .head {
    color: #bb0000;
    font-family: Arial;
    font-weight: bold;
    text-align: left;
    }

    .days {
    color: #0000bb;
    font-family: Arial;
    font-weight: bold;
    text-align: right;
    }

    .grey {
    color: #ffffff;
    font-family: Arial;
    font-size: small;
    text-align: right;
    }

    .links {
    color: #ff0000;
    font-family: Arial;
    font-size: small;
    text-align: right;
    }

    .today {
    color: #ffffff;
    background-color: #ff0000;
    font-family: Arial;
    font-size: small;
    text-align: right;
    }

    calendar.js:
    'January','February','March',
    'April','May','June','July',
    'August','September','October',
    'November','December'
    );

    var daysOfMonth = new Array(
    31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
    );

    var daysOfMonthLY = new Array(
    31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
    );

    var dow = new Array('Sun','Mon','Tue','Wed','Thu','Fri','Sat',
    'Sun','Mon','Tue','Wed','Thu','Fri');

    var size = 'width="50" height="30"';
    var border = 'border="1"';

    function isLeapYear(num) {
    if (((num % 4 == 0) && (num % 100 != 0)) || (num % 400 == 0))
    return true;
    return false;
    }

    function CalendarSelect(Month,Year, offset) {
    if (offset == null) offset = 0;

    if (window.changeMonth) { }
    else {
    alert('A changeMonth() function has not been defined');
    return '';
    }

    if (window.changeYear) { }
    else {
    alert('A changeYear() function has not been defined');
    return '';
    }

    if (window.changeDay) { }
    else {
    alert('A changeDay() function has not been defined');
    return '';
    }

    var output = '';

    output += '<form name="Cal">';
    output += CalendarHead(Month,Year,true);
    output += CalendarMonth(Month,Year,offset);
    output += '</form>';

    return output;
    }

    function CalendarHead(Month,Year,Select) {
    var output = '';

    output +=
    '<table cellspacing="0" class="cal">' +
    '<tr><td align="left" width="100%" class="head">' +
    moy[Month-1] + ' ' + Year +
    '</td>';

    if (Select) {

    output += '<td width="50%" align="right">' +
    '<select name="Month" onChange="CalMonth()">';

    for (var month=1; month<=12; month++) {
    output += '<option value="' + month + '"';
    if (month == Month) output += ' selected';
    output += '>' + moy[month-1] + '</option>';
    }

    output += '</select>' +
    '<select name="Year" onChange="CalYear();">';

    for (var year=1900; year<=2100; year++) {
    output += '<option value="' + year + '"';
    if (year == Year) output += ' selected';
    output += '>' + year + '</option>';
    }

    output += '</select>';
    }

    output += '</td></tr></table>';

    return output;
    }

    function CalendarMonth(M,Y,offset) {
    M--;
    if (offset == null) offset = 0;

    firstDay = new Date(Y,M,1);
    startDay = firstDay.getDay();

    if (startDay < offset) startDay += 7;

    var days = daysOfMonth;
    if (isLeapYear(Y)) days = daysOfMonthLY;

    var output = '';

    output +=
    '<table ' + border + ' cellpadding="0" class="cal"><tr>';

    for (var i=0; i<7; i++)
    output += '<td ' + size + ' class="days">' +
    dow[i + offset] + '</td>';

    output += '</tr><tr>';

    var column = 0;
    var lastM = M - 1;
    if (lastM == -1) lastM = 11;

    for (var i=0+offset; i<startDay; i++, column++)
    output += '<td ' + size + ' class="grey">' +
    (days[lastM]-startDay+i+1) + '</td>';

    for (var i=1; i<=days[M]; i++, column++) {
    var style = ' class="links"';
    if (day == i && month == M+1 && year == Y)
    style = ' class="today"';
    if (window.changeDay)
    output += '<td ' + size + '>' +
    '<a href="javascript:CalDay('+i+','+(M+1)+','+Y+')"' +
    style + '>' + i + '</a></td>';
    else
    output += '<td ' + size + style + '>' + i + '</td>';

    if (column == 6) {
    output += '</tr><tr>';
    column = -1;
    }
    }

    if (column > 0) {
    for (var i=1; column<7; i++, column++)
    output += '<td ' + size + ' class="grey">' + i + '</td>';
    }

    output += '</tr></table>';

    return output;
    }

    function getAnOptionValue(what) {
    return what.options[what.options.selectedIndex].value;
    }

    function CalMonth() {
    CalendarMonth = getAnOptionValue(document.Cal.Month) - 0;
    changeMonth(CalendarMonth);
    }

    function CalYear() {
    CalendarYear = getAnOptionValue(document.Cal.Year) - 0;
    changeYear(CalendarYear);
    }

    function CalDay(day,month,year) {
    CalendarDay = day;
    CalendarMonth = month;
    CalendarYear = year;
    changeDay(CalendarDay,CalendarMonth,CalendarYear);
    }

    var CalendarMonth;
    var CalendarYear;
    var CalendarDay;

    current.js:
    function getFullYear() {
    var year = this.getYear();
    if (year < 1000) year += 1900;
    return year;
    }

    if (!Date.getFullYear)
    Date.prototype.getFullYear = getFullYear;

    function getMilliseconds() {
    var date = new Date(
    this.getFullYear(), this.getMonth(), this.getDate(),
    this.getHours(), this.getMinutes(), this.getSeconds(), 0
    );
    return this.getTime() - date.getTime();
    }

    if (!Date.getMilliseconds)
    Date.prototype.getMilliseconds = getMilliseconds;

    var daysOfWeek = new Array(
    'Sunday','Monday','Tuesday','Wednesday',
    'Thursday','Friday','Saturday'
    );

    var monthsOfYear = new Array(
    'January','February','March','April','May','June',
    'July','August','September','October','November','December'
    );

    function y2k(number) {
    number = number - 0;
    return (number < 1000) ? number + 1900 : number;
    }

    function dayOfWeek(day,month,year) {
    var a = Math.floor((14 - month)/12);
    var y = year - a;
    var m = month + 12*a - 2;
    var d = (day + y + Math.floor(y/4) - Math.floor(y/100) +
    Math.floor(y/400) + Math.floor((31*m)/12)) % 7;
    return d;
    }

    function nths(day) {
    if (day == 1 || day == 21 || day == 31) return 'st';
    if (day == 2 || day == 22) return 'nd';
    if (day == 3 || day == 23) return 'rd';
    return 'th';
    }

    function formatFullDate(day,month,year) {
    var dow = dayOfWeek(day,month,year);
    return daysOfWeek[dow] + ' ' +
    day + nths(day) + ' ' +
    monthsOfYear[month-1] +' '+ year;
    }

    function padout(num) {
    return (num < 10) ? '0' + num : num;
    }

    function formatShortDate(day,month,year) {
    return padout(day) + '/' + padout(month) + '/' + year;
    }

    function formatShortDateUS(day,month,year) {
    return padout(month) + '/' + padout(day) + '/' + year;
    }

    index.htm:
    <html>

    <head>

    <title>Calendar</title>

    <link rel="stylesheet" href="calendar.css" type="text/css">

    <script language="JavaScript" alt=用JavaScript實現的日歷 src="current.js"></script>
    <script language="JavaScript" alt=用JavaScript實現的日歷 src="calendar.js"></script>

    </head>

    <body bgcolor="#ffffff">

    <center>

    <script language="JavaScript"><!--
    size = '';
    border = 'border="0"';
    dow = new Array('S','M','T','W','T','F','S',
    'S','M','T','W','T','F');
    moy = new Array(
    'Jan','Feb','Mar','Apr','May','Jun',
    'Jul','Aug','Sep','Oct','Nov','Dec'
    );

    function changeDay(day, month, year) {
    alert(new Date(year, month, day));
    }

    var output = '';

    if (window.formatFullDate && window.CalendarSelect) {
    var today = new Date();
    var day = today.getDate();
    var month = today.getMonth() + 1;
    var year = today.getFullYear();

    output +=
    '<table class="cal" border="1"><tr><td valign="top">';

    for (var i = 1; i <= 12; i++) {
    output += '<table><tr><td>' +
    CalendarHead(i,year) +
    CalendarMonth(i,year,1) +
    '</td></tr></table>';

    if (i != 12) {
    if (i % 3 == 0)
    output += '</td></tr><tr><td valign="top">';
    else
    output += '</td><td valign="top">';
    }
    }

    output += '</td></tr></table>';
    }

    document.write(output);
    //--></script>

    </center>

    </body>

    </html>

    把這四個文件放在同一目錄下。運行index.htm

    原文轉自:http://www.kjueaiud.com

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