/*
* jquery Date Selector Plugin
* 日期联动选择插件
*
* Demo:
$("#calendar").DateSelector({
ctlYearId: <年控件id>,
ctlMonthId: <月控件id>,
ctlDayId: <日控件id>,
defYear: <默认年>,
defMonth: <默认月>,
defDay: <默认日>,
minYear: <最小年|默认为1882年>,
maxYear: <最大年|默认为本年>
});
HTML:<p id="calendar"><SELECT id=idYear></SELECT>年 <SELECT id=idMonth></SELECT>月 <SELECT id=idDay></SELECT>日</p>
*/(function ($) { //SELECT控件设置函数
function setSelectControl(oSelect, iStart, iLength, iIndex) { oSelect.empty(); for (var i = 0; i < iLength; i++) { if ((parseInt(iStart) + i) == iIndex) oSelect.append("<option selected='selected' value='" + (parseInt(iStart) + i) + "'>" + (parseInt(iStart) + i) + "</option>"); else
oSelect.append("<option value='" + (parseInt(iStart) + i) + "'>" + (parseInt(iStart) + i) + "</option>");
}
} $.fn.DateSelector = function (options) { options = options || {}; //初始化
this._options = { ctlYearId: null, ctlMonthId: null, ctlDayId: null, defYear: 0, defMonth: 0, defDay: 0, minYear: 1882, maxYear: new Date().getFullYear()
} for (var property in options) { this._options[property] = options[property];
} this.yearValueId = $("#" + this._options.ctlYearId); this.monthValueId = $("#" + this._options.ctlMonthId); this.dayValueId = $("#" + this._options.ctlDayId); var dt = new Date(), iMonth = parseInt(this.monthValueId.attr("data") || this._options.defMonth), iDay = parseInt(this.dayValueId.attr("data") || this._options.defDay), iMinYear = parseInt(this._options.minYear), iMaxYear = parseInt(this._options.maxYear); this.Year = parseInt(this.yearValueId.attr("data") || this._options.defYear) || dt.getFullYear(); this.Month = 1 <= iMonth && iMonth <= 12 ? iMonth : dt.getMonth() + 1; this.Day = iDay > 0 ? iDay : dt.getDate(); this.minYear = iMinYear && iMinYear < this.Year ? iMinYear : this.Year; this.maxYear = iMaxYear && iMaxYear > this.Year ? iMaxYear : this.Year; //初始化控件
//设置年
setSelectControl(this.yearValueId, this.minYear, this.maxYear - this.minYear + 1, this.Year); //设置月
setSelectControl(this.monthValueId, 1, 12, this.Month); //设置日
var daysInMonth = new Date(this.Year, this.Month, 0).getDate(); //获取指定年月的当月天数[new Date(year, month, 0).getDate()]
if (this.Day > daysInMonth) { this.Day = daysInMonth; }; setSelectControl(this.dayValueId, 1, daysInMonth, this.Day); var oThis = this; //绑定控件事件
this.yearValueId.change(function () { oThis.Year = $(this).val(); setSelectControl(oThis.monthValueId, 1, 12, oThis.Month); oThis.monthValueId.change();
}); this.monthValueId.change(function () { oThis.Month = $(this).val(); var daysInMonth = new Date(oThis.Year, oThis.Month, 0).getDate(); if (oThis.Day > daysInMonth) { oThis.Day = daysInMonth; }; setSelectControl(oThis.dayValueId, 1, daysInMonth, oThis.Day);
}); this.dayValueId.change(function () { oThis.Day = $(this).val();
});
}
})(jQuery);<!DOCTYPE HTML><html><head><meta charset="utf-8"><title></title><style>body{padding:20px;background:#ddd;font:14px/1.7 Arial,"/5b8b/4f53";}
h1,h2,h3{font:bold 36px/1 "/5fae/8f6f/96c5/9ed1";}
h2{font-size:20px;}
h3{font-size:16px;}
fieldset{margin:1em 0;}
fieldset legend{font:bold 14px/2 "/5fae/8f6f/96c5/9ed1";}
a{color:#06f;text-decoration:none;}
a:hover{color:#00f;}
.wrap{width:600px;margin:0 auto;padding:20px 40px;border:2px solid #999;border-radius:8px;background:#fff;box-shadow:0 0 10px rgba(0,0,0,0.5);}</style></head><body><p class="wrap">
<h1>jQuery 多级联动下拉菜单</h1>
<h2>示例</h2>
<p id="dateSelector">
<select id="idYear" name="idYear" data=""></select>年 <select id="idMonth" name="idMonth" data="12"></select>月 <select id="idDay" name="idDay" data="1"></select>日 </p>
</p>
<script src="js/jquery-1.4.4.min.js"></script><script src="js/jquery.calendar.js"></script><script>$(document).ready(function () {
var myDate = new Date();
$("#dateSelector").DateSelector({
ctlYearId: 'idYear',
ctlMonthId: 'idMonth',
ctlDayId: 'idDay',
defYear: myDate.getFullYear(),
defMonth: (myDate.getMonth()+1),
defDay: myDate.getDate(),
minYear: 1800,
maxYear: (myDate.getFullYear()+1)
});
});</script></body></html>
