javascript获取日期制作简单日历

本文提供了一个使用JavaScript进行日期和时间操作的简单示例。通过创建一个日期对象并获取当前的年、月、日和星期,最后将这些信息显示在一个HTML页面上。

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <script>
        window.onload = function () {
            //1.创建一个当前日期的日期对象;
            var date = new Date();
            //2.然后获取其中的年月日和星期;
            var year = date.getFullYear();
            var month = date.getMonth();
            var hao = date.getDate();
            var week = date.getDay();

            //3.赋值给div;
            var arr = ["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];
            var div = document.getElementsByTagName("div")[0];
            div.innerText = "今天是" + year + "年" + (month + 1) + "月" + hao + "日 " + arr[week];
        }
    </script>
    <div></div>
</body>
</html>

<SCRIPT LANGUAGE="JavaScript" TYPE="text/javascript"> //创建一个数组,用于存放每个的天数 function montharr(m0, m1, m2, m3, m4, m5, m6, m7, m8, m9, m10, m11)  { this[0] = m0; this[1] = m1; this[2] = m2; this[3] = m3; this[4] = m4; this[5] = m5; this[6] = m6; this[7] = m7; this[8] = m8; this[9] = m9; this[10] = m10; this[11] = m11; } //实现历 function calendar() { var monthNames = "JanFebMarAprMayJunJulAugSepOctNovDec"; var today = new Date(); var thisDay; var monthDays = new montharr(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); year = today.getYear() +1900; thisDay = today.getDate(); if (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) monthDays[1] = 29; nDays = monthDays[today.getMonth()]; firstDay = today; firstDay.setDate(1); testMe = firstDay.getDate(); if (testMe == 2) firstDay.setDate(0); startDay = firstDay.getDay(); document.write("<div id='rili' style='position:absolute;width:140px;left:300px;top:100px;'>")  document.write("<TABLE width='217' BORDER='0' CELLSPACING='0' CELLPADDING='2' BGCOLOR='#0080FF'>") document.write("<TR><TD><table border='0' cellspacing='1' cellpadding='2' bgcolor='Silver'>"); document.write("<TR><th colspan='7' bgcolor='#C8E3FF'>"); var dayNames = new Array("星期","星期一","星期二","星期三","星期四","星期五","星期六"); var monthNames = new Array("1","2","3","4","5","6","7","8","9","10","11","12"); var now = new Date(); document.writeln("<FONT STYLE='font-size:9pt;Color:#330099'>" + "公元 " + now.getYear() + "" + monthNames[now.getMonth()] + " " + now.getDate() + " " + dayNames[now.getDay()] + "</FONT>"); document.writeln("</TH></TR><TR><TH BGCOLOR='#0080FF'><FONT STYLE='font-size:9pt;Color:White'></FONT></TH>"); document.writeln("<th bgcolor='#0080FF'><FONT STYLE='font-size:9pt;Color:White'>一</FONT></TH>"); document.writeln("<TH BGCOLOR='#0080FF'><FONT STYLE='font-size:9pt;Color:White'>二</FONT></TH>"); document.writeln("<TH BGCOLOR='#0080FF'><FONT STYLE='font-size:9pt;Color:White'>三</FONT></TH>"); document.writeln("<TH BGCOLOR='#0080FF'><FONT STYLE='font-size:9pt;Color:White'>四</FONT></TH>"); document.writeln("<TH BGCOLOR='#0080FF'><FONT STYLE='font-size:9pt;Color:White'>五</FONT></TH>"); document.writeln("<TH BGCOLOR='#0080FF'><FONT STYLE='font-size:9pt;Color:White'>六</FONT></TH>"); document.writeln("</TR><TR>"); column = 0; for (i=0; i<startDay; i++) { document.writeln("\n<TD><FONT STYLE='font-size:9pt'> </FONT></TD>"); column++; } for (i=1; i<=nDays; i++) { if (i == thisDay) { document.writeln("</TD><TD ALIGN='CENTER' BGCOLOR='#FF8040'><FONT STYLE='font-size:9pt;Color:#ffffff'><B>") } else { document.writeln("</TD><TD BGCOLOR='#FFFFFF' ALIGN='CENTER'><FONT STYLE='font-size:9pt;font-family:Arial;font-weight:bold;Color:#330066'>"); } document.writeln(i); if (i == thisDay) document.writeln("</FONT></TD>") column++; if (column == 7) { document.writeln("<TR>");  column = 0; } } document.writeln("<TR><TD COLSPAN='7' ALIGN='CENTER' VALIGN='TOP' BGCOLOR='#0080FF'>") document.writeln("<FORM NAME='clock' onSubmit='0'><FONT STYLE='font-size:9pt;Color:#ffffff'>") document.writeln(" 现在时间:<INPUT TYPE='Text' NAME='face' ALIGN='TOP'></FONT></FORM></TD></TR></TABLE>") document.writeln("</TD></TR></TABLE></div>"); } </SCRIPT>
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