廢話不多說,實現原理主要是處理table,生成tr td,其中最重要的是如何找出每月第一天是星期幾,然後就能對應出這個月的餘下天數.
首先,說下有些人說這是重復造輪子,但我覺得不是,做項目,總不能老是拿別人的東西來吧,拿來主義並不是神馬好玩意,當然如果你想輕松,也沒話說,至少說我自己做得,我改起來或者擴展比較方便
效果以及代碼如下,,預覽效果自己放在html裡面把,搞在這個頁面上麻煩得很
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="https://www.w3.org/1999/xhtml">
<head>
<title>Untitled Page</title>
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js"></script>
<style type="text/css">
*{margin:0;padding:0;}
/*日期控件*/
.pc_caldr { background-color: #FFFFFF; border: 1px solid #CCCCCC; color: #000000; height: auto; padding: 5px; position: absolute; width: 161px; z-index: 10; }
.pc_caldr .selector { height: 24px; padding: 2px 0 0; }
.pc_caldr .selector .month, .pc_caldr .selector .year { border: 1px solid #CCCCCC; float: left; font-size: 12px; height: 19px; width: 73px; }
.pc_caldr .selector .year { margin-left: 10px; width: 78px; }
.pc_caldr .weeks, .pc_caldr .days { list-style: none outside none; margin: 0; padding: 0; width: 100% !important; }
.pc_caldr .weeks { background: none repeat scroll 0 0 #B6D1F9; color: #FFFFFF; font-size: 12px; height: 18px; margin-bottom: 2px; }
.pc_caldr .days { font-family: Arial; font-size: 12px; height: auto; }
.pc_caldr .weeks li, .pc_caldr .days li { float: left; height: 18px; line-height: 18px; text-align: center; width: 23px; }
.pc_caldr .weeks li { text-align: center; }
.pc_caldr table { width: 100%; }
.pc_caldr table td{text-align:center;}
.pc_caldr table td.before { color: #43609C; cursor: pointer; }
.pc_caldr table td.day { background-color: #5D94E6; color: #FFFFFF; }
/*文本框*/
.tiemin{width:120px;border:1px solid #f00;}
.inline-block {display :inline-block; zoom:1 ; *display: inline; vertical-align:middle ;}
</style>
</head>
<body>
<p style="height: 200px;">
</p>
<input type="text" class="tiemin" readonly="readonly" />
<p style="height: 200px;">
</p>
<span style="width: 200px;" class="inline-block"></span>
<input type="text" class="tiemin" readonly="readonly" />
<script type="text/javascript">
//全部包裹
var sookerTime = (function ($) {
var OBJ;
function isLeap(year) { return (year % 100 == 0 ? (year % 400 == 0 ? 1 : 0) : (year % 4 == 0 ? 1 : 0)); }
function isValid(d) { return (d.getTime() - (new Date()).getTime() < 0) ? true : false; } //是否在今天以後
function setDate(year, month) { //建立日期table
var n1 = new Date(year, month, 1),
firstday = n1.getDay(),
mdays = new Array(31, 28 + isLeap(year), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31),
rows = Math.ceil((mdays[month] + firstday) / 7),
table = $("<table>", { "class": "days" }),
tbody = $("<tbody>");
$("#calendar").find(".days").remove();
for (var i = 0; i < rows; i++) {
var tr = $("<tr>");
for (j = 0; j < 7; j++) {
var idx = i * 7 + j,
d = idx - firstday + 1;
if (d <= 0 || d > mdays[month]) { //無效日期
d = " "
}
var td = $("<td>", { html: d }).appendTo(tr);
if (isValid(new Date(year, month, d))) { //今天以後的時間都不綁定時間
td.addClass("before");
td.hover(function () {
$(this).addClass("day");
}, function () { $(this).removeClass("day"); }).click(function () {
OBJ.attr("value", $("#calendar .year").attr("value") + "-" + (parseInt($("#calendar .month").attr("value")) + 1) + "-" + $(this).text());
$("#calendar").css("display", "none");
});
}
}
tr.appendTo(tbody);
}
tbody.appendTo(table);
$("#calendar").append(table);
}
function createTime() {
var calendar = $("<p>", { "class": "pc_caldr", id: "calendar" }),
td = new Date(),
of = OBJ.offset();
if (document.getElementById("calendar")) {
calendar = $("#calendar").css({ left: of.left, top: of.top + 18, display: "block" });
setDate(td.getFullYear(), td.getMonth());
$("#calendar .year").attr("value", td.getFullYear());
$("#calendar .month").attr("value", td.getMonth());
} else {
var se = "<p class='selector'><select class='month'><option value='0'>一月</option><option value='1'>二月</option><option value='2'>三月</option><option value='3'>四月</option><option value='4'>五月</option><option value='5'>六月</option><option value='6'>七月</option><option value='7'>八月</option><option value='8'>九月</option><option value='9'>十月</option><option value='10'>十一月</option><option value='11'>十二月</option></select><select class='year'><option value='2009'>2009</option><option value='2010'>2010</option><option value='2011'>2011</option></select></p><ul class='weeks'><li>日</li><li>一</li><li>二</li><li>三</li><li>四</li><li>五</li><li>六</li></ul>";
calendar.css({ left: of.left, top: of.top + 18 }).html(se).appendTo($("body"));
setDate(td.getFullYear(), td.getMonth());
$("#calendar .year").attr("value", td.getFullYear());
$("#calendar .month").attr("value", td.getMonth());
bindClick();
}
}
function bindClick() { //給下拉列表綁定時間
var a = $("#calendar .month"),
b = $("#calendar .year");
a.change(function () {
setDate(b.attr("value"), $(this).attr("value"));
});
b.change(function () {
setDate($(this).attr("value"), a.attr("value"));
});
}
return {
init: function (obj) { //返回調用的接口
OBJ = obj;
createTime();
}
}
})(jQuery);
//使用方法
$(".tiemin").focus(function(){
sookerTime.init($(this));
});
</script>
</body>
</html>
摘自：!nothing blog