$.fn.datebox = function (options) {    var config = {        $valueEle: $("#outputTime"),        $prev: $(".datetitle #up"),        $next: $(".datetitle #down"),        minDate:null,        maxDate:null,    }    config = $.extend(config, options);    Date.prototype.format = function (format) {        var o = {            "M+": this.getMonth() + 1, //month            "d+": this.getDate(), //day            "h+": this.getHours(), //hour            "m+": this.getMinutes(), //minute            "s+": this.getSeconds(), //second            "q+": Math.floor((this.getMonth() + 3) / 3), //quarter            "S": this.getMilliseconds() //millisecond        }        if (/(y+)/.test(format))            format = format.replace(RegExp.$1,                (this.getFullYear() + "").substr(4 - RegExp.$1.length));        for (var k in o)            if (new RegExp("(" + k + ")").test(format))                format = format.replace(RegExp.$1,                    RegExp.$1.length == 1 ? o[k] :                        ("00" + o[k]).substr(("" + o[k]).length));        return format;    };    var self = this;    var $ele = $(this);          var maxdate,mindate;     var nstr = new Date();      var ynow = nstr.getFullYear();      var mnow = nstr.getMonth();      var dnow = nstr.getDate();       if(!config.minDate){           mindate=nstr;     }else{       mindate=new Date(config.mindate)     }      if(config.maxDate){        maxdate=new Date(config.maxDate)     }    self.isLeap = function (year) {        return (year % 100 == 0 ? res = (year % 400 == 0 ? 1 : 0) : res = (year % 4 == 0 ? 1 : 0));    }     console.log("最小日期是:",mindate.format("yyyy-MM-dd"))     console.log("最大日期是:",maxdate.format("yyyy-MM-dd"))     console.log("当前日期：",currentDate())    pain();    function pain() {        var n1str = new Date(ynow, mnow, 1); //当月第一天         var firstday = n1str.getDay(); //当月第一天星期几        var m_days = new Array(31, 28 + self.isLeap(ynow), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); //各月份的总天数        var tr_str = Math.ceil((m_days[mnow] + firstday) / 7); //表格所需要行数        //打印表格第一行（有星期标志）        $("#datetb").remove();        var str = "<table id=‘datetb‘ cellspacing=‘0‘><tr><td>周日</td><td>周一</td><td>周二</td><td>周三</td><td>周四</td><td>周五</td><td>周六</td></tr>";        for (i = 0; i < tr_str; i++) { //表格的行            str += "<tr>";            for (k = 0; k < 7; k++) { //表格每行的单元格                idx = i * 7 + k; //单元格自然序列号                date_str = idx - firstday + 1; //计算日期                (date_str <= 0 || date_str > m_days[mnow]) ? date_str = "&nbsp;" : date_str = idx - firstday + 1; //过滤无效日期（小于等于零的、大于月总天数的）                //打印日期：今天底色样式                date_str == dnow ? str += "<td class=‘selected‘ data-day=" + date_str + ">" + "<div>" + date_str + "</div>" + "<div class=‘subscribe‘>预约</div>" + "</td>" : str += "<td  data-day=" + date_str + ">" + date_str + "</td>";            }            str += "</tr>"; //表格的行结束        }        str += "<tfoot><tr><td colspan=‘7‘>" + ynow + "年" + (mnow + 1) + "月</td></tr></tfoot>";        str += "</table>"; //表格结束        $ele.html(str);        setDate(ynow, mnow, dnow);    }    function setDate(y, m, d) {        var current = (new Date(y, m, d, 10, 0, 0)).format("yyyy-MM-dd");        console.log(y, m, d, current);        config.$valueEle.val(current);    }    function currentDate(){        return (new Date(ynow, mnow, dnow, 10, 0, 0)).format("yyyy-MM-dd");    }    self.prev=function(){       var temp = mnow - 1;        if (temp < 0) {            mnow = 11;            ynow--;        } else {             var prevdate=new Date(ynow, mnow-1, 31, 10, 0, 0);            if (prevdate <mindate) {                console.log("超过最小可预约日期",prevdate.format("yyyy-MM-dd"))                return;            }            mnow--;        }         if(ynow==mindate.getFullYear()&&mnow==mindate.getMonth()){                 var _mday=mindate.getDate();                if(dnow<_mday) dnow=_mday;            }        pain();     }    self.next=function(){           var nextdate=new Date(ynow, mnow+1, 1, 10, 0, 0);            if (nextdate>maxdate) {                console.log("超过最大可预约日期",nextdate.format("yyyy-MM-dd"))                return ;             }          var temp = mnow + 1;        if (temp > 11) {            mnow = 0;            ynow++;        } else {            mnow++;        }          if(ynow==maxdate.getFullYear()&&mnow==maxdate.getMonth()){                var _mday=maxdate.getDate();                if(dnow>_mday) dnow=_mday;            }        pain();      }    self.seleted=function($td){       if (!$td.hasClass(‘selected‘)) {            var day = $td.data("day");             var selectedDate=new Date(ynow, mnow, day, 1, 0, 0);            if (selectedDate<mindate||selectedDate>maxdate) {                 console.log("该日期不能预约");                return;            }            $(".datebox table td").removeClass(‘selected‘).children(‘.subscribe‘).remove();           $td.addClass(‘selected‘);           $td.html(‘<div>‘ + $td.html() + ‘</div><div class="subscribe">预约</div>‘);           dnow=day;            setDate(ynow, mnow, day);        }    }    self.getDate=function(){       return currentDate();    }    $ele.on("click", "table td", function () {      self.seleted($(this));    });    config.$prev.click(function () {     self.prev();    });   config.$next.click(function () {      self.next();    });      return self;}

 var date = $(".datebox").datebox({maxDate:"2016-12-20"});