JavaScript实现的日期控件具体代码

2024-05-06 14:33:25

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来源：转载

供稿：网友

代码如下:
<html>
<head>
<style>

</style>

<title>日期自动输入控件</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>

<style type="text/css">
.date-picker-wp {
display: none;
position: absolute;
background: #f1f1f1;
left: 40px;
top: 40px;
border-top: 4px solid #3879d9;
}
.date-picker-wp table {
border: 1px solid #ddd;
}
.date-picker-wp td {
background: #fafafa;
width: 22px;
height: 18px;
border: 1px solid #ccc;
font-size: 12px;
text-align: center;
}
.date-picker-wp td.noborder {
border: none;
background: none;
}
.date-picker-wp td a {
color: #1c93c4;
text-decoration: none;
}
.strong {font-weight: bold}
.hand {cursor: pointer; color: #3879d9}
</style>

<script type="text/javascript">
var DatePicker = function () {
var $ = function (i)
{
return document.getElementById(i)
},
addEvent = function (o, e, f) {o.addEventListener ? o.addEventListener(e, f, false) : o.attachEvent('on'+e, function(){f.call(o)})},
getPos = function (el) {
for (var pos = {x:0, y:0}; el; el = el.offsetParent) {
pos.x += el.offsetLeft;
pos.y += el.offsetTop;
}
return pos;
};
var init = function (n, config) {
window[n] = this;
Date.prototype._fd = function () {var d = new Date(this); d.setDate(1); return d.getDay()};
Date.prototype._fc = function () {var d1 = new Date(this), d2 = new Date(this); d1.setDate(1); d2.setDate(1); d2.setMonth(d2.getMonth()+1); return (d2-d1)/86400000;};
this.n = n;
this.config = config;
this.D = new Date;
this.el = $(config.inputId);
this.el.title = this.n+'DatePicker';
this.update();
this.bind();
};
init.prototype = {
update : function (y, m) {
var con = [], week = ['Su','Mo','Tu','We','Th','Fr','Sa'], D = this.D, _this = this;
fn = function (a, b) {return '<td title="'+_this.n+'DatePicker" class="noborder hand" onclick="'+_this.n+'.update('+a+')">'+b+'</td>'},
_html = '<table cellpadding=0 cellspacing=2>';
y && D.setYear(D.getFullYear() + y);
m && D.setMonth(D.getMonth() + m);
var year = D.getFullYear(), month = D.getMonth() + 1, date = D.getDate();
for (var i=0; i<week.length; i++) con.push('<td title="'+this.n+'DatePicker" class="noborder">'+week[i]+'</td>');
for (var i=0; i<D._fd(); i++ ) con.push('<td title="'+this.n+'DatePicker" class="noborder"> </td>');
for (var i=0; i<D._fc(); i++ ) con.push('<td class="hand" onclick="'+this.n+'.fillInput('+year+', '+month+', '+(i+1)+')">'+(i+1)+'</td>');