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分享一篇jQuery插件--日期联动

程序员文章站 2022-05-31 14:16:27
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/*
 * 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>

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