text: /**
  
   @Name : layDate 5.0.9 日期时间控件
   @Author: 贤心
   @Site：https://layui.site//laydate/
   @License：MIT
  
   */
  
  ;!function(){
    "use strict";
  
    var isLayui = window.layui && layui.define, ready = {
      getPath: function(){
        var jsPath = document.currentScript ? document.currentScript.src : function(){
          var js = document.scripts
          ,last = js.length - 1
          ,src;
          for(var i = last; i > 0; i--){
            if(js[i].readyState === 'interactive'){
              src = js[i].src;
              break;
            }
          }
          return src || js[last].src;
        }();
        return jsPath.substring(0, jsPath.lastIndexOf('/') + 1);
      }()
  
      //获取节点的style属性值
      ,getStyle: function(node, name){
        var style = node.currentStyle ? node.currentStyle : window.getComputedStyle(node, null);
        return style[style.getPropertyValue ? 'getPropertyValue' : 'getAttribute'](name);
      }
  
      //载入CSS配件
      ,link: function(href, fn, cssname){
  
        //未设置路径，则不主动加载css
        if(!laydate.path) return;
  
        var head = document.getElementsByTagName("head")[0], link = document.createElement('link');
        if(typeof fn === 'string') cssname = fn;
        var app = (cssname || href).replace(/\.|\//g, '');
        var id = 'layuicss-'+ app, timeout = 0;
  
        link.rel = 'stylesheet';
        link.href = laydate.path + href;
        link.id = id;
  
        if(!document.getElementById(id)){
          head.appendChild(link);
        }
  
        if(typeof fn !== 'function') return;
  
        //轮询css是否加载完毕
        (function poll() {
          if(++timeout > 8 * 1000 / 100){
            return window.console && console.error('laydate.css: Invalid');
          };
          parseInt(ready.getStyle(document.getElementById(id), 'width')) === 1989 ? fn() : setTimeout(poll, 100);
        }());
      }
    }
  
    ,laydate = {
      v: '5.0.9'
      ,config: {} //全局配置项
      ,index: (window.laydate && window.laydate.v) ? 100000 : 0
      ,path: ready.getPath
  
      //设置全局项
      ,set: function(options){
        var that = this;
        that.config = lay.extend({}, that.config, options);
        return that;
      }
  
      //主体CSS等待事件
      ,ready: function(fn){
        var cssname = 'laydate', ver = ''
        ,path = (isLayui ? 'modules/laydate/' : 'theme/') + 'default/laydate.css?v='+ laydate.v + ver;
        isLayui ? layui.addcss(path, fn, cssname) : ready.link(path, fn, cssname);
        return this;
      }
    }
  
    //操作当前实例
    ,thisDate = function(){
      var that = this;
      return {
        //提示框
        hint: function(content){
          that.hint.call(that, content);
        }
        ,config: that.config
        ,obj: that // mod for laydatePro
      };
    }
  
    //字符常量
    ,MOD_NAME = 'laydate', ELEM = '.layui-laydate', THIS = 'layui-this', SHOW = 'layui-show', HIDE = 'layui-hide', DISABLED = 'laydate-disabled', TIPS_OUT = '开始日期超出了结束日期<br>建议重新选择', LIMIT_YEAR = [100, 200000]
  
    ,ELEM_STATIC = 'layui-laydate-static', ELEM_LIST = 'layui-laydate-list', ELEM_SELECTED = 'laydate-selected', ELEM_HINT = 'layui-laydate-hint', ELEM_PREV = 'laydate-day-prev', ELEM_NEXT = 'laydate-day-next', ELEM_FOOTER = 'layui-laydate-footer', ELEM_CONFIRM = '.laydate-btns-confirm', ELEM_TIME_TEXT = 'laydate-time-text', ELEM_TIME_BTN = '.laydate-btns-time'
  
    //组件构造器
    ,Class = function(options){
      var that = this;
      that.index = ++laydate.index;
      that.config = lay.extend({}, that.config, laydate.config, options);
      laydate.ready(function(){
        that.init();
      });
    }
  
    //DOM查找
    ,lay = function(selector){
      return new LAY(selector);
    }
  
    //DOM构造器
    ,LAY = function(selector){
      var index = 0
      ,nativeDOM = typeof selector === 'object' ? [selector] : (
        this.selector = selector
        ,document.querySelectorAll(selector || null)
      );
      for(; index < nativeDOM.length; index++){
        this.push(nativeDOM[index]);
      }
    };
  
  
    /*
      lay对象操作
    */
  
    LAY.prototype = [];
    LAY.prototype.constructor = LAY;
  
    //普通对象深度扩展
    lay.extend = function(){
      var ai = 1, args = arguments
      ,clone = function(target, obj){
        target = target || (obj.constructor === Array ? [] : {});
        for(var i in obj){
          //如果值为对象，则进入递归，继续深度合并
          target[i] = (obj[i] && (obj[i].constructor === Object))
            ? clone(target[i], obj[i])
          : obj[i];
        }
        return target;
      }
  
      args[0] = typeof args[0] === 'object' ? args[0] : {};
  
      for(; ai < args.length; ai++){
        if(typeof args[ai] === 'object'){
          clone(args[0], args[ai])
        }
      }
      return args[0];
    };
  
    //ie版本
    lay.ie = function(){
      var agent = navigator.userAgent.toLowerCase();
      return (!!window.ActiveXObject || "ActiveXObject" in window) ? (
        (agent.match(/msie\s(\d+)/) || [])[1] || '11' //由于ie11并没有msie的标识
      ) : false;
    }();
  
    //中止冒泡
    lay.stope = function(e){
      e = e || window.event;
      e.stopPropagation
        ? e.stopPropagation()
      : e.cancelBubble = true;
    };
  
    //对象遍历
    lay.each = function(obj, fn){
      var key
      ,that = this;
      if(typeof fn !== 'function') return that;
      obj = obj || [];
      if(obj.constructor === Object){
        for(key in obj){
          if(fn.call(obj[key], key, obj[key])) break;
        }
      } else {
        for(key = 0; key < obj.length; key++){
          if(fn.call(obj[key], key, obj[key])) break;
        }
      }
      return that;
    };
  
    //数字前置补零
    lay.digit = function(num, length, end){
      var str = '';
      num = String(num);
      length = length || 2;
      for(var i = num.length; i < length; i++){
        str += '0';
      }
      return num < Math.pow(10, length) ? str + (num|0) : num;
    };
  
    //创建元素
    lay.elem = function(elemName, attr){
      var elem = document.createElement(elemName);
      lay.each(attr || {}, function(key, value){
        elem.setAttribute(key, value);
      });
      return elem;
    };
  
    //追加字符
    LAY.addStr = function(str, new_str){
      str = str.replace(/\s+/, ' ');
      new_str = new_str.replace(/\s+/, ' ').split(' ');
      lay.each(new_str, function(ii, item){
        if(!new RegExp('\\b'+ item + '\\b').test(str)){
          str = str + ' ' + item;
        }
      });
      return str.replace(/^\s|\s$/, '');
    };
  
    //移除值
    LAY.removeStr = function(str, new_str){
      str = str.replace(/\s+/, ' ');
      new_str = new_str.replace(/\s+/, ' ').split(' ');
      lay.each(new_str, function(ii, item){
        var exp = new RegExp('\\b'+ item + '\\b')
        if(exp.test(str)){
          str = str.replace(exp, '');
        }
      });
      return str.replace(/\s+/, ' ').replace(/^\s|\s$/, '');
    };
  
    //查找子元素
    LAY.prototype.find = function(selector){
      var that = this;
      var index = 0, arr = []
      ,isObject = typeof selector === 'object';
  
      this.each(function(i, item){
        var nativeDOM = isObject ? [selector] : item.querySelectorAll(selector || null);
        for(; index < nativeDOM.length; index++){
          arr.push(nativeDOM[index]);
        }
        that.shift();
      });
  
      if(!isObject){
        that.selector =  (that.selector ? that.selector + ' ' : '') + selector
      }
  
      lay.each(arr, function(i, item){
        that.push(item);
      });
  
      return that;
    };
  
    //DOM遍历
    LAY.prototype.each = function(fn){
      return lay.each.call(this, this, fn);
    };
  
    //添加css类
    LAY.prototype.addClass = function(className, type){
      return this.each(function(index, item){
        item.className = LAY[type ? 'removeStr' : 'addStr'](item.className, className)
      });
    };
  
    //移除css类
    LAY.prototype.removeClass = function(className){
      return this.addClass(className, true);
    };
  
    //是否包含css类
    LAY.prototype.hasClass = function(className){
      var has = false;
      this.each(function(index, item){
        if(new RegExp('\\b'+ className +'\\b').test(item.className)){
          has = true;
        }
      });
      return has;
    };
  
    //添加或获取属性
    LAY.prototype.attr = function(key, value){
      var that = this;
      return value === undefined ? function(){
        if(that.length > 0) return that[0].getAttribute(key);
      }() : that.each(function(index, item){
        item.setAttribute(key, value);
      });
    };
  
    //移除属性
    LAY.prototype.removeAttr = function(key){
      return this.each(function(index, item){
        item.removeAttribute(key);
      });
    };
  
    //设置HTML内容
    LAY.prototype.html = function(html){
      return this.each(function(index, item){
        item.innerHTML = html;
      });
    };
  
    //设置值
    LAY.prototype.val = function(value){
      return this.each(function(index, item){
          item.value = value;
      });
    };
  
    //追加内容
    LAY.prototype.append = function(elem){
      return this.each(function(index, item){
        typeof elem === 'object'
          ? item.appendChild(elem)
        :  item.innerHTML = item.innerHTML + elem;
      });
    };
  
    //移除内容
    LAY.prototype.remove = function(elem){
      return this.each(function(index, item){
        elem ? item.removeChild(elem) : item.parentNode.removeChild(item);
      });
    };
  
    //事件绑定
    LAY.prototype.on = function(eventName, fn){
      return this.each(function(index, item){
        item.attachEvent ? item.attachEvent('on' + eventName, function(e){
          e.target = e.srcElement;
          fn.call(item, e);
        }) : item.addEventListener(eventName, fn, false);
      });
    };
  
    //解除事件
    LAY.prototype.off = function(eventName, fn){
      return this.each(function(index, item){
        item.detachEvent
          ? item.detachEvent('on'+ eventName, fn)
        : item.removeEventListener(eventName, fn, false);
      });
    };
  
  
    /*
      组件操作
    */
  
  
    //是否闰年
    Class.isLeapYear = function(year){
      return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
    };
  
    //默认配置
    Class.prototype.config = {
      type: 'date' //控件类型，支持：year/month/date/time/datetime
      ,range: false //是否开启范围选择，即双控件
      ,format: 'yyyy-MM-dd' //默认日期格式
      ,value: null //默认日期，支持传入new Date()，或者符合format参数设定的日期格式字符
      ,isInitValue: true //用于控制是否自动向元素填充初始值（需配合 value 参数使用）
      ,min: '1900-1-1' //有效最小日期，年月日必须用“-”分割，时分秒必须用“:”分割。注意：它并不是遵循 format 设定的格式。
      ,max: '2099-12-31' //有效最大日期，同上
      ,trigger: 'focus' //呼出控件的事件
      ,show: false //是否直接显示，如果设置true，则默认直接显示控件
      ,showBottom: true //是否显示底部栏
      ,btns: ['clear', 'now', 'confirm'] //右下角显示的按钮，会按照数组顺序排列
      ,lang: 'cn' //语言，只支持cn/en，即中文和英文
      ,theme: 'default' //主题
      ,position: null //控件定位方式定位, 默认absolute，支持：fixed/absolute/static
      ,calendar: false //是否开启公历重要节日，仅支持中文版
      ,mark: {} //日期备注，如重要事件或活动标记
      ,zIndex: null //控件层叠顺序
      ,done: null //控件选择完毕后的回调，点击清空/现在/确定也均会触发
      ,change: null //日期时间改变后的回调
    };
  
    //多语言
    Class.prototype.lang = function(){
      var that = this
      ,options = that.config
      ,text = {
        cn: {
          weeks: ['日', '一', '二', '三', '四', '五', '六']
          ,time: ['时', '分', '秒']
          ,timeTips: '选择时间'
          ,startTime: '开始时间'
          ,endTime: '结束时间'
          ,dateTips: '返回日期'
          ,month: ['一', '二', '三', '四', '五', '六', '七', '八', '九', '十', '十一', '十二']
          ,tools: {
            confirm: '确定'
            ,clear: '清空'
            ,now: '现在'
          }
        }
        ,en: {
          weeks: ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa']
          ,time: ['Hours', 'Minutes', 'Seconds']
          ,timeTips: 'Select Time'
          ,startTime: 'Start Time'
          ,endTime: 'End Time'
          ,dateTips: 'Select Date'
          ,month: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
          ,tools: {
            confirm: 'Confirm'
            ,clear: 'Clear'
            ,now: 'Now'
          }
        }
      };
      return text[options.lang] || text['cn'];
    };
  
    //初始准备
    Class.prototype.init = function(){
      var that = this
      ,options = that.config
      ,dateType = 'yyyy|y|MM|M|dd|d|HH|H|mm|m|ss|s'
      ,isStatic = options.position === 'static'
      ,format = {
        year: 'yyyy'
        ,month: 'yyyy-MM'
        ,date: 'yyyy-MM-dd'
        ,time: 'HH:mm:ss'
        ,datetime: 'yyyy-MM-dd HH:mm:ss'
      };
  
      options.elem = lay(options.elem);
      options.eventElem = lay(options.eventElem);
  
      if(!options.elem[0]) return;
  
      //日期范围分隔符
      if(options.range === true) options.range = '-';
  
      //根据不同type，初始化默认format
      if(options.format === format.date){
        options.format = format[options.type];
      }
  
      //将日期格式转化成数组
      that.format = options.format.match(new RegExp(dateType + '|.', 'g')) || [];
  
      //生成正则表达式
      that.EXP_IF = '';
      that.EXP_SPLIT = '';
      lay.each(that.format, function(i, item){
        var EXP =  new RegExp(dateType).test(item)
          ? '\\d{'+ function(){
            if(new RegExp(dateType).test(that.format[i === 0 ? i + 1 : i - 1]||'')){
              if(/^yyyy|y$/.test(item)) return 4;
              return item.length;
            }
            if(/^yyyy$/.test(item)) return '1,4';
            if(/^y$/.test(item)) return '1,308';
            return '1,2';
          }() +'}'
        : '\\' + item;
        that.EXP_IF = that.EXP_IF + EXP;
        that.EXP_SPLIT = that.EXP_SPLIT + '(' + EXP + ')';
      });
      that.EXP_IF = new RegExp('^'+ (
        options.range ?
          that.EXP_IF + '\\s\\'+ options.range + '\\s' + that.EXP_IF
        : that.EXP_IF
      ) +'$');
      that.EXP_SPLIT = new RegExp('^'+ that.EXP_SPLIT +'$', '');
  
      //如果不是input|textarea元素，则默认采用click事件
      if(!that.isInput(options.elem[0])){
        if(options.trigger === 'focus'){
          options.trigger = 'click';
        }
      }
  
      //设置唯一KEY
      if(!options.elem.attr('lay-key')){
        options.elem.attr('lay-key', that.index);
        options.eventElem.attr('lay-key', that.index);
      }
  
      //记录重要日期
      options.mark = lay.extend({}, (options.calendar && options.lang === 'cn') ? {
        '0-1-1': '元旦'
        ,'0-2-14': '情人'
        ,'0-3-8': '妇女'
        ,'0-3-12': '植树'
        ,'0-4-1': '愚人'
        ,'0-5-1': '劳动'
        ,'0-5-4': '青年'
        ,'0-6-1': '儿童'
        ,'0-9-10': '教师'
        ,'0-9-18': '国耻'
        ,'0-10-1': '国庆'
        ,'0-12-25': '圣诞'
      } : {}, options.mark);
  
      //获取限制内日期
      lay.each(['min', 'max'], function(i, item){
        var ymd = [], hms = [];
        if(typeof options[item] === 'number'){ //如果为数字
          var day = options[item]
          ,time = new Date().getTime()
          ,STAMP = 86400000 //代表一天的时间戳
          ,thisDate = new Date(
            day ? (
              day < STAMP ? time + day*STAMP : day //如果数字小于一天的时间戳，则数字为天数，否则为时间戳
            ) : time
          );
          ymd = [thisDate.getFullYear(), thisDate.getMonth() + 1, thisDate.getDate()];
          day < STAMP || (hms = [thisDate.getHours(), thisDate.getMinutes(), thisDate.getSeconds()]);
        } else {
          ymd = (options[item].match(/\d+-\d+-\d+/) || [''])[0].split('-');
          hms = (options[item].match(/\d+:\d+:\d+/) || [''])[0].split(':');
        }
        options[item] = {
          year: ymd[0] | 0 || new Date().getFullYear()
          ,month: ymd[1] ? (ymd[1] | 0) - 1 : new Date().getMonth()
          ,date: ymd[2] | 0 || new Date().getDate()
          ,hours: hms[0] | 0
          ,minutes: hms[1] | 0
          ,seconds: hms[2] | 0
        };
      });
  
      that.elemID = 'layui-laydate'+ options.elem.attr('lay-key');
  
      if(options.show || isStatic) that.render();
      isStatic || that.events();
  
      //默认赋值
      if(options.value && options.isInitValue){
        if(options.value.constructor === Date){
          that.setValue(that.parse(0, that.systemDate(options.value)));
        } else {
          that.setValue(options.value);
        }
      }
    };
  
    //控件主体渲染
    Class.prototype.render = function(){
      var that = this
      ,options = that.config
      ,lang = that.lang()
      ,isStatic = options.position === 'static'
  
      //主面板
      ,elem = that.elem = lay.elem('div', {
        id: that.elemID
        ,'class': [
          'layui-laydate'
          ,options.range ? ' layui-laydate-range' : ''
          ,isStatic ? (' '+ ELEM_STATIC) : ''
          ,options.theme && options.theme !== 'default' && !/^#/.test(options.theme) ? (' laydate-theme-' + options.theme) : ''
        ].join('')
      })
  
      //主区域
      ,elemMain = that.elemMain = []
      ,elemHeader = that.elemHeader = []
      ,elemCont = that.elemCont = []
      ,elemTable = that.table = []
  
      //底部区域
      ,divFooter = that.footer = lay.elem('div', {
        'class': ELEM_FOOTER
      });
  
      if(options.zIndex) elem.style.zIndex = options.zIndex;
  
      //单双日历区域
      lay.each(new Array(2), function(i){
        if(!options.range && i > 0){
          return true;
        }
  
        //头部区域
        var divHeader = lay.elem('div', {
          'class': 'layui-laydate-header'
        })
  
        //左右切换
        ,headerChild = [function(){ //上一年
          var elem = lay.elem('i', {
            'class': 'layui-icon laydate-icon laydate-prev-y'
          });
          elem.innerHTML = '&#xe65a;';
          return elem;
        }(), function(){ //上一月
          var elem = lay.elem('i', {
            'class': 'layui-icon laydate-icon laydate-prev-m'
          });
          elem.innerHTML = '&#xe603;';
          return elem;
        }(), function(){ //年月选择
          var elem = lay.elem('div', {
            'class': 'laydate-set-ym'
          }), spanY = lay.elem('span'), spanM = lay.elem('span');
          elem.appendChild(spanY);
          elem.appendChild(spanM);
          return elem;
        }(), function(){ //下一月
          var elem = lay.elem('i', {
            'class': 'layui-icon laydate-icon laydate-next-m'
          });
          elem.innerHTML = '&#xe602;';
          return elem;
        }(), function(){ //下一年
          var elem = lay.elem('i', {
            'class': 'layui-icon laydate-icon laydate-next-y'
          });
          elem.innerHTML = '&#xe65b;';
          return elem;
        }()]
  
        //日历内容区域
        ,divContent = lay.elem('div', {
          'class': 'layui-laydate-content'
        })
        ,table = lay.elem('table')
        ,thead = lay.elem('thead'), theadTr = lay.elem('tr');
  
        //生成年月选择
        lay.each(headerChild, function(i, item){
          divHeader.appendChild(item);
        });
  
         //生成表格
        thead.appendChild(theadTr);
        lay.each(new Array(6), function(i){ //表体
          var tr = table.insertRow(0);
          lay.each(new Array(7), function(j){
            if(i === 0){
              var th = lay.elem('th');
              th.innerHTML = lang.weeks[j];
              theadTr.appendChild(th);
            }
            tr.insertCell(j);
          });
        });
        table.insertBefore(thead, table.children[0]); //表头
        divContent.appendChild(table);
  
        elemMain[i] = lay.elem('div', {
          'class': 'layui-laydate-main laydate-main-list-'+ i
        });
  
        elemMain[i].appendChild(divHeader);
        elemMain[i].appendChild(divContent);
  
        elemHeader.push(headerChild);
        elemCont.push(divContent);
        elemTable.push(table);
      });
  
      //生成底部栏
      lay(divFooter).html(function(){
        var html = [], btns = [];
        if(options.type === 'datetime'){
          html.push('<span lay-type="datetime" class="laydate-btns-time">'+ lang.timeTips +'</span>');
        }
        lay.each(options.btns, function(i, item){
          var title = lang.tools[item] || 'btn';
          if(options.range && item === 'now') return;
          if(isStatic && item === 'clear') title = options.lang === 'cn' ? '重置' : 'Reset';
          btns.push('<span lay-type="'+ item +'" class="laydate-btns-'+ item +'">'+ title +'</span>');
        });
        html.push('<div class="laydate-footer-btns">'+ btns.join('') +'</div>');
        return html.join('');
      }());
  
      //插入到主区域
      lay.each(elemMain, function(i, main){
        elem.appendChild(main);
      });
      options.showBottom && elem.appendChild(divFooter);
  
      //生成自定义主题
      if(/^#/.test(options.theme)){
        var style = lay.elem('style')
        ,styleText = [
          '#{{id}} .layui-laydate-header{background-color:{{theme}};}'
          ,'#{{id}} .layui-this{background-color:{{theme}} !important;}'
        ].join('').replace(/{{id}}/g, that.elemID).replace(/{{theme}}/g, options.theme);
  
        if('styleSheet' in style){
          style.setAttribute('type', 'text/css');
          style.styleSheet.cssText = styleText;
        } else {
          style.innerHTML = styleText;
        }
  
        lay(elem).addClass('laydate-theme-molv');
        elem.appendChild(style);
      }
  
      //移除上一个控件
      that.remove(Class.thisElemDate);
  
      //如果是静态定位，则插入到指定的容器中，否则，插入到body
      isStatic ? options.elem.append(elem) : (
        document.body.appendChild(elem)
        ,that.position() //定位
      );
  
      that.checkDate().calendar(); //初始校验
      that.changeEvent(); //日期切换
  
      Class.thisElemDate = that.elemID;
  
      typeof options.ready === 'function' && options.ready(lay.extend({}, options.dateTime, {
        month: options.dateTime.month + 1
      }));
    };
  
    //控件移除
    Class.prototype.remove = function(prev){
      var that = this
      ,options = that.config
      ,elem = lay('#'+ (prev || that.elemID));
      if(!elem.hasClass(ELEM_STATIC)){
        that.checkDate(function(){
          elem.remove();
        });
      }
      return that;
    };
  
    //定位算法
    Class.prototype.position = function(){
      var that = this
      ,options = that.config
      ,elem = that.bindElem || options.elem[0]
      ,rect = elem.getBoundingClientRect() //绑定元素的坐标
      ,elemWidth = that.elem.offsetWidth //控件的宽度
      ,elemHeight = that.elem.offsetHeight //控件的高度
  
      //滚动条高度
      ,scrollArea = function(type){
        type = type ? 'scrollLeft' : 'scrollTop';
        return document.body[type] | document.documentElement[type];
      }
      ,winArea = function(type){
        return document.documentElement[type ? 'clientWidth' : 'clientHeight']
      }, margin = 5, left = rect.left, top = rect.bottom;
  
      //如果右侧超出边界
      if(left + elemWidth + margin > winArea('width')){
        left = winArea('width') - elemWidth - margin;
      }
  
      //如果底部超出边界
      if(top + elemHeight + margin > winArea()){
        top = rect.top > elemHeight //顶部是否有足够区域显示完全
          ? rect.top - elemHeight
        : winArea() - elemHeight;
        top = top - margin*2;
      }
  
      if(options.position){
        that.elem.style.position = options.position;
      }
      that.elem.style.left = left + (options.position === 'fixed' ? 0 : scrollArea(1)) + 'px';
      that.elem.style.top = top + (options.position === 'fixed' ? 0 : scrollArea()) + 'px';
    };
  
    //提示
    Class.prototype.hint = function(content){
      var that = this
      ,options = that.config
      ,div = lay.elem('div', {
        'class': ELEM_HINT
      });
  
      if(!that.elem) return;
  
      div.innerHTML = content || '';
      lay(that.elem).find('.'+ ELEM_HINT).remove();
      that.elem.appendChild(div);
  
      clearTimeout(that.hinTimer);
      that.hinTimer = setTimeout(function(){
        lay(that.elem).find('.'+ ELEM_HINT).remove();
      }, 3000);
    };
  
    //获取递增/减后的年月
    Class.prototype.getAsYM = function(Y, M, type){
      type ? M-- : M++;
      if(M < 0){
        M = 11;
        Y--;
      }
      if(M > 11){
        M = 0;
        Y++;
      }
      return [Y, M];
    };
  
    //系统消息
    Class.prototype.systemDate = function(newDate){
      var thisDate = newDate || new Date();
      return {
        year: thisDate.getFullYear() //年
        ,month: thisDate.getMonth() //月
        ,date: thisDate.getDate() //日
        ,hours: newDate ? newDate.getHours() : 0 //时
        ,minutes: newDate ? newDate.getMinutes() : 0 //分
        ,seconds: newDate ? newDate.getSeconds() : 0 //秒
      }
    };
  
    //日期校验
    Class.prototype.checkDate = function(fn){
      var that = this
      ,thisDate = new Date()
      ,options = that.config
      ,dateTime = options.dateTime = options.dateTime || that.systemDate()
      ,thisMaxDate, error
  
      ,elem = that.bindElem || options.elem[0]
      ,valType = that.isInput(elem) ? 'val' : 'html'
      ,value = that.isInput(elem) ? elem.value : (options.position === 'static' ? '' : elem.innerHTML)
  
      //校验日期有效数字
      ,checkValid = function(dateTime){
        if(dateTime.year > LIMIT_YEAR[1]) dateTime.year = LIMIT_YEAR[1], error = true; //不能超过20万年
        if(dateTime.month > 11) dateTime.month = 11, error = true;
        if(dateTime.hours > 23) dateTime.hours = 0, error = true;
        if(dateTime.minutes > 59) dateTime.minutes = 0, dateTime.hours++, error = true;
        if(dateTime.seconds > 59) dateTime.seconds = 0, dateTime.minutes++, error = true;
  
        //计算当前月的最后一天
        thisMaxDate = laydate.getEndDate(dateTime.month + 1, dateTime.year);
        if(dateTime.date > thisMaxDate) dateTime.date = thisMaxDate, error = true;
      }
  
      //获得初始化日期值
      ,initDate = function(dateTime, value, index){
        var startEnd = ['startTime', 'endTime'];
        value = (value.match(that.EXP_SPLIT) || []).slice(1);
        index = index || 0;
        if(options.range){
          that[startEnd[index]] = that[startEnd[index]] || {};
        }
        lay.each(that.format, function(i, item){
          var thisv = parseFloat(value[i]);
          if(value[i].length < item.length) error = true;
          if(/yyyy|y/.test(item)){ //年
            if(thisv < LIMIT_YEAR[0]) thisv = LIMIT_YEAR[0], error = true; //年不能低于100年
            dateTime.year = thisv;
          } else if(/MM|M/.test(item)){ //月
            if(thisv < 1) thisv = 1, error = true;
            dateTime.month = thisv - 1;
          } else if(/dd|d/.test(item)){ //日
            if(thisv < 1) thisv = 1, error = true;
            dateTime.date = thisv;
          } else if(/HH|H/.test(item)){ //时
            if(thisv < 1) thisv = 0, error = true;
            dateTime.hours = thisv;
            options.range && (that[startEnd[index]].hours = thisv);
          } else if(/mm|m/.test(item)){ //分
            if(thisv < 1) thisv = 0, error = true;
            dateTime.minutes = thisv;
            options.range && (that[startEnd[index]].minutes = thisv);
          } else if(/ss|s/.test(item)){ //秒
            if(thisv < 1) thisv = 0, error = true;
            dateTime.seconds = thisv;
            options.range && (that[startEnd[index]].seconds = thisv);
          }
        });
        checkValid(dateTime)
      };
  
      if(fn === 'limit') return checkValid(dateTime), that;
  
      value = value || options.value;
      if(typeof value === 'string'){
        value = value.replace(/\s+/g, ' ').replace(/^\s|\s$/g, '');
      }
  
      //如果点击了开始，单未选择结束就关闭，则重新选择开始
      if(that.startState && !that.endState){
        delete that.startState;
        that.endState = true;
      };
  
      if(typeof value === 'string' && value){
        if(that.EXP_IF.test(value)){ //校验日期格式
          if(options.range){
            value = value.split(' '+ options.range +' ');
            that.startDate = that.startDate || that.systemDate();
            that.endDate = that.endDate || that.systemDate();
            options.dateTime = lay.extend({}, that.startDate);
            lay.each([that.startDate, that.endDate], function(i, item){
              initDate(item, value[i], i);
            });
          } else {
            initDate(dateTime, value)
          }
        } else {
          that.hint('日期格式不合法<br>必须遵循下述格式：<br>'+ (
            options.range ? (options.format + ' '+ options.range +' ' + options.format) : options.format
          ) + '<br>已为你重置');
          error = true;
        }
      } else if(value && value.constructor === Date){ //如果值为日期对象时
        options.dateTime = that.systemDate(value);
      } else {
        options.dateTime = that.systemDate();
        delete that.startState;
        delete that.endState;
        delete that.startDate;
        delete that.endDate;
        delete that.startTime;
        delete that.endTime;
      }
  
      checkValid(dateTime);
  
      if(error && value){
        that.setValue(
          options.range ? (that.endDate ? that.parse() : '') : that.parse()
        );
      }
      fn && fn();
      return that;
    };
  
    //公历重要日期与自定义备注
    Class.prototype.mark = function(td, YMD){
      var that = this
      ,mark, options = that.config;
      lay.each(options.mark, function(key, title){
        var keys = key.split('-');
        if((keys[0] == YMD[0] || keys[0] == 0) //每年的每月
        && (keys[1] == YMD[1] || keys[1] == 0) //每月的每日
        && keys[2] == YMD[2]){ //特定日
          mark = title || YMD[2];
        }
      });
      mark && td.html('<span class="laydate-day-mark">'+ mark +'</span>');
  
      return that;
    };
  
    //无效日期范围的标记
    Class.prototype.limit = function(elem, date, index, time){
      var that = this
      ,options = that.config, timestrap = {}
      ,dateTime = options[index > 41 ? 'endDate' : 'dateTime']
      ,isOut, thisDateTime = lay.extend({}, dateTime, date || {});
      lay.each({
        now: thisDateTime
        ,min: options.min
        ,max: options.max
      }, function(key, item){
        timestrap[key] = that.newDate(lay.extend({
          year: item.year
          ,month: item.month
          ,date: item.date
        }, function(){
          var hms = {};
          lay.each(time, function(i, keys){
            hms[keys] = item[keys];
          });
          return hms;
        }())).getTime();  //time：是否比较时分秒
      });
  
      isOut = timestrap.now < timestrap.min || timestrap.now > timestrap.max;
      elem && elem[isOut ? 'addClass' : 'removeClass'](DISABLED);
      return isOut;
    };
  
    //日历表
    Class.prototype.calendar = function(value){
      var that = this
      ,options = that.config
      ,dateTime = value || options.dateTime
      ,thisDate = new Date(), startWeek, prevMaxDate, thisMaxDate
      ,lang = that.lang()
  
      ,isAlone = options.type !== 'date' && options.type !== 'datetime'
      ,index = value ? 1 : 0
      ,tds = lay(that.table[index]).find('td')
      ,elemYM = lay(that.elemHeader[index][2]).find('span');
  
      if(dateTime.year < LIMIT_YEAR[0]) dateTime.year = LIMIT_YEAR[0], that.hint('最低只能支持到公元'+ LIMIT_YEAR[0] +'年');
      if(dateTime.year > LIMIT_YEAR[1]) dateTime.year = LIMIT_YEAR[1], that.hint('最高只能支持到公元'+ LIMIT_YEAR[1] +'年');
  
      //记录初始值
      if(!that.firstDate){
        that.firstDate = lay.extend({}, dateTime);
      }
  
      //计算当前月第一天的星期
      thisDate.setFullYear(dateTime.year, dateTime.month, 1);
      startWeek = thisDate.getDay();
  
      prevMaxDate = laydate.getEndDate(dateTime.month || 12, dateTime.year); //计算上个月的最后一天
      thisMaxDate = laydate.getEndDate(dateTime.month + 1, dateTime.year); //计算当前月的最后一天
  
      //赋值日
      lay.each(tds, function(index, item){
        var YMD = [dateTime.year, dateTime.month], st = 0;
        item = lay(item);
        item.removeAttr('class');
        if(index < startWeek){
          st = prevMaxDate - startWeek + index;
          item.addClass('laydate-day-prev');
          YMD = that.getAsYM(dateTime.year, dateTime.month, 'sub');
        } else if(index >= startWeek && index < thisMaxDate + startWeek){
          st = index - startWeek;
          if(!options.range){
            st + 1 === dateTime.date && item.addClass(THIS);
          }
        } else {
          st = index - thisMaxDate - startWeek;
          item.addClass('laydate-day-next');
          YMD = that.getAsYM(dateTime.year, dateTime.month);
        }
        YMD[1]++;
        YMD[2] = st + 1;
        item.attr('lay-ymd', YMD.join('-')).html(YMD[2]);
        that.mark(item, YMD).limit(item, {
          year: YMD[0]
          ,month: YMD[1] - 1
          ,date: YMD[2]
        }, index);
      });
  
      //同步头部年月
      lay(elemYM[0]).attr('lay-ym', dateTime.year + '-' + (dateTime.month + 1));
      lay(elemYM[1]).attr('lay-ym', dateTime.year + '-' + (dateTime.month + 1));
  
      if(options.lang === 'cn'){
        lay(elemYM[0]).attr('lay-type', 'year').html(dateTime.year + '年')
        lay(elemYM[1]).attr('lay-type', 'month').html((dateTime.month + 1) + '月');
      } else {
        lay(elemYM[0]).attr('lay-type', 'month').html(lang.month[dateTime.month]);
        lay(elemYM[1]).attr('lay-type', 'year').html(dateTime.year);
      }
  
      //初始默认选择器
      if(isAlone){
        if(options.range){
          value ? that.endDate = (that.endDate || {
            year: dateTime.year + (options.type === 'year' ? 1 : 0)
            ,month: dateTime.month + (options.type === 'month' ? 0 : -1)
          }) : (that.startDate = that.startDate || {
            year: dateTime.year
            ,month: dateTime.month
          });
          if(value){
            that.listYM = [
              [that.startDate.year, that.startDate.month + 1]
              ,[that.endDate.year, that.endDate.month + 1]
            ];
            that.list(options.type, 0).list(options.type, 1);
            //同步按钮可点状态
            options.type === 'time' ? that.setBtnStatus('时间'
              ,lay.extend({}, that.systemDate(), that.startTime)
              ,lay.extend({}, that.systemDate(), that.endTime)
            ) : that.setBtnStatus(true);
          }
        }
        if(!options.range){
          that.listYM = [[dateTime.year, dateTime.month + 1]];
          that.list(options.type, 0);
        }
      }
  
      //赋值双日历
      if(options.range && !value){
        var EYM = that.getAsYM(dateTime.year, dateTime.month)
        that.calendar(lay.extend({}, dateTime, {
          year: EYM[0]
          ,month: EYM[1]
        }));
      }
  
      //通过检测当前有效日期，来设定确定按钮是否可点
      if(!options.range) that.limit(lay(that.footer).find(ELEM_CONFIRM), null, 0, ['hours', 'minutes', 'seconds']);
  
      //标记选择范围
      if(options.range && value && !isAlone) that.stampRange();
      return that;
    };
  
    //生成年月时分秒列表
    Class.prototype.list = function(type, index){
      var that = this
      ,options = that.config
      ,dateTime = options.dateTime
      ,lang = that.lang()
      ,isAlone = options.range && options.type !== 'date' && options.type !== 'datetime' //独立范围选择器
  
      ,ul = lay.elem('ul', {
        'class': ELEM_LIST + ' ' + ({
          year: 'laydate-year-list'
          ,month: 'laydate-month-list'
          ,time: 'laydate-time-list'
        })[type]
      })
      ,elemHeader = that.elemHeader[index]
      ,elemYM = lay(elemHeader[2]).find('span')
      ,elemCont = that.elemCont[index || 0]
      ,haveList = lay(elemCont).find('.'+ ELEM_LIST)[0]
      ,isCN = options.lang === 'cn'
      ,text = isCN ? '年' : ''
  
      ,listYM = that.listYM[index] || {}
      ,hms = ['hours', 'minutes', 'seconds']
      ,startEnd = ['startTime', 'endTime'][index];
  
      if(listYM[0] < 1) listYM[0] = 1;
  
      if(type === 'year'){ //年列表
        var yearNum, startY = yearNum = listYM[0] - 7;
        if(startY < 1) startY = yearNum = 1;
        lay.each(new Array(15), function(i){
          var li = lay.elem('li', {
            'lay-ym': yearNum
          }), ymd = {year: yearNum};
          yearNum == listYM[0] && lay(li).addClass(THIS);
          li.innerHTML = yearNum + text;
          ul.appendChild(li);
          if(yearNum < that.firstDate.year){
            ymd.month = options.min.month;
            ymd.date = options.min.date;
          } else if(yearNum >= that.firstDate.year){
            ymd.month = options.max.month;
            ymd.date = options.max.date;
          }
          that.limit(lay(li), ymd, index);
          yearNum++;
        });
        lay(elemYM[isCN ? 0 : 1]).attr('lay-ym', (yearNum - 8) + '-' + listYM[1])
        .html((startY + text) + ' - ' + (yearNum - 1 + text));
      } else if(type === 'month'){ //月列表
        lay.each(new Array(12), function(i){
          var li = lay.elem('li', {
            'lay-ym': i
          }), ymd = {year: listYM[0], month: i};
          i + 1 == listYM[1] && lay(li).addClass(THIS);
          li.innerHTML = lang.month[i] + (isCN ? '月' : '');
          ul.appendChild(li);
          if(listYM[0] < that.firstDate.year){
            ymd.date = options.min.date;
          } else if(listYM[0] >= that.firstDate.year){
            ymd.date = options.max.date;
          }
          that.limit(lay(li), ymd, index);
        });
        lay(elemYM[isCN ? 0 : 1]).attr('lay-ym', listYM[0] + '-' + listYM[1])
        .html(listYM[0] + text);
      } else if(type === 'time'){ //时间列表
        //检测时分秒状态是否在有效日期时间范围内
        var setTimeStatus = function(){
          lay(ul).find('ol').each(function(i, ol){
            lay(ol).find('li').each(function(ii, li){
              that.limit(lay(li), [{
                hours: ii
              }, {
                hours: that[startEnd].hours
                ,minutes: ii
              }, {
                hours: that[startEnd].hours
                ,minutes: that[startEnd].minutes
                ,seconds: ii
              }][i], index, [['hours'], ['hours', 'minutes'], ['hours', 'minutes', 'seconds']][i]);
            });
          });
          if(!options.range) that.limit(lay(that.footer).find(ELEM_CONFIRM), that[startEnd], 0, ['hours', 'minutes', 'seconds']);
        };
        if(options.range){
          if(!that[startEnd]) that[startEnd] = {
            hours: 0
            ,minutes: 0
            ,seconds: 0
          };
        } else {
          that[startEnd] = dateTime;
        }
        lay.each([24, 60, 60], function(i, item){
          var li = lay.elem('li'), childUL = ['<p>'+ lang.time[i] +'</p><ol>'];
          lay.each(new Array(item), function(ii){
            childUL.push('<li'+ (that[startEnd][hms[i]] === ii ? ' class="'+ THIS +'"' : '') +'>'+ lay.digit(ii, 2) +'</li>');
          });
          li.innerHTML = childUL.join('') + '</ol>';
          ul.appendChild(li);
        });
        setTimeStatus();
      }
  
      //插入容器
      if(haveList) elemCont.removeChild(haveList);
      elemCont.appendChild(ul);
  
      //年月
      if(type === 'year' || type === 'month'){
        //显示切换箭头
        lay(that.elemMain[index]).addClass('laydate-ym-show');
  
        //选中
        lay(ul).find('li').on('click', function(){
          var ym = lay(this).attr('lay-ym') | 0;
          if(lay(this).hasClass(DISABLED)) return;
  
          if(index === 0){
            dateTime[type] = ym;
            if(isAlone) that.startDate[type] = ym;
            that.limit(lay(that.footer).find(ELEM_CONFIRM), null, 0);
          } else { //范围选择
            if(isAlone){ //非date/datetime类型
              that.endDate[type] = ym;
            } else { //date/datetime类型
              var YM = type === 'year'
                ? that.getAsYM(ym, listYM[1] - 1, 'sub')
              : that.getAsYM(listYM[0], ym, 'sub');
              lay.extend(dateTime, {
                year: YM[0]
                ,month: YM[1]
              });
            }
          }
  
          if(options.type === 'year' || options.type === 'month'){
            lay(ul).find('.'+ THIS).removeClass(THIS);
            lay(this).addClass(THIS);
  
            //如果为年月选择器，点击了年列表，则切换到月选择器
            if(options.type === 'month' && type === 'year'){
              that.listYM[index][0] = ym;
              isAlone && (that[['startDate', 'endDate'][index]].year = ym);
              that.list('month', index);
            }
          } else {
            that.checkDate('limit').calendar();
            that.closeList();
          }
  
          that.setBtnStatus(); //同步按钮可点状态
          options.range || that.done(null, 'change');
          lay(that.footer).find(ELEM_TIME_BTN).removeClass(DISABLED);
        });
      } else {
        var span = lay.elem('span', {
          'class': ELEM_TIME_TEXT
        }), scroll = function(){ //滚动条定位
          lay(ul).find('ol').each(function(i){
            var ol = this
            ,li = lay(ol).find('li')
            ol.scrollTop = 30*(that[startEnd][hms[i]] - 2);
            if(ol.scrollTop <= 0){
              li.each(function(ii, item){
                if(!lay(this).hasClass(DISABLED)){
                  ol.scrollTop = 30*(ii - 2);
                  return true;
                }
              });
            }
          });
        }, haveSpan = lay(elemHeader[2]).find('.'+ ELEM_TIME_TEXT);
        scroll()
        span.innerHTML = options.range ? [lang.startTime,lang.endTime][index] : lang.timeTips
        lay(that.elemMain[index]).addClass('laydate-time-show');
        if(haveSpan[0]) haveSpan.remove();
        elemHeader[2].appendChild(span);
  
        lay(ul).find('ol').each(function(i){
          var ol = this;
          //选择时分秒
          lay(ol).find('li').on('click', function(){
            var value = this.innerHTML | 0;
            if(lay(this).hasClass(DISABLED)) return;
            if(options.range){
              that[startEnd][hms[i]]  = value;
            } else {
              dateTime[hms[i]] = value;
            }
            lay(ol).find('.'+ THIS).removeClass(THIS);
            lay(this).addClass(THIS);
  
            setTimeStatus();
            scroll();
            (that.endDate || options.type === 'time') && that.done(null, 'change');
  
            //同步按钮可点状态
            that.setBtnStatus();
          });
        });
      }
  
      return that;
    };
  
    //记录列表切换后的年月
    Class.prototype.listYM = [];
  
    //关闭列表
    Class.prototype.closeList = function(){
      var that = this
      ,options = that.config;
  
      lay.each(that.elemCont, function(index, item){
        lay(this).find('.'+ ELEM_LIST).remove();
        lay(that.elemMain[index]).removeClass('laydate-ym-show laydate-time-show');
      });
      lay(that.elem).find('.'+ ELEM_TIME_TEXT).remove();
    };
  
    //检测结束日期是否超出开始日期
    Class.prototype.setBtnStatus = function(tips, start, end){
      var that = this
      ,options = that.config
      ,isOut, elemBtn = lay(that.footer).find(ELEM_CONFIRM)
      ,isAlone = options.range && options.type !== 'date' && options.type !== 'time';
      if(isAlone){
        start = start || that.startDate;
        end = end || that.endDate;
        isOut = that.newDate(start).getTime() > that.newDate(end).getTime();
  
        //如果不在有效日期内，直接禁用按钮，否则比较开始和结束日期
        (that.limit(null, start) || that.limit(null, end))
          ? elemBtn.addClass(DISABLED)
        : elemBtn[isOut ? 'addClass' : 'removeClass'](DISABLED);
  
        //是否异常提示
        if(tips && isOut) that.hint(
          typeof tips === 'string' ? TIPS_OUT.replace(/日期/g, tips) : TIPS_OUT
        );
      }
    };
  
    //转义为规定格式的日期字符
    Class.prototype.parse = function(state, date){
      var that = this
      ,options = that.config
      ,dateTime = date || (state
        ? lay.extend({}, that.endDate, that.endTime)
      : (options.range ? lay.extend({}, that.startDate, that.startTime) : options.dateTime))
      ,format = that.format.concat();
  
      //转义为规定格式
      lay.each(format, function(i, item){
        if(/yyyy|y/.test(item)){ //年
          format[i] = lay.digit(dateTime.year, item.length);
        } else if(/MM|M/.test(item)){ //月
          format[i] = lay.digit(dateTime.month + 1, item.length);
        } else if(/dd|d/.test(item)){ //日
          format[i] = lay.digit(dateTime.date, item.length);
        } else if(/HH|H/.test(item)){ //时
          format[i] = lay.digit(dateTime.hours, item.length);
        } else if(/mm|m/.test(item)){ //分
          format[i] = lay.digit(dateTime.minutes, item.length);
        } else if(/ss|s/.test(item)){ //秒
          format[i] = lay.digit(dateTime.seconds, item.length);
        }
      });
  
      //返回日期范围字符
      if(options.range && !state){
        return format.join('') + ' '+ options.range +' ' + that.parse(1);
      }
  
      return format.join('');
    };
  
    //创建指定日期时间对象
    Class.prototype.newDate = laydate.newDate = function(dateTime){
      dateTime = dateTime || {};
      return new Date(
        dateTime.year || 1
        ,dateTime.month || 0
        ,dateTime.date || 1
        ,dateTime.hours || 0
        ,dateTime.minutes || 0
        ,dateTime.seconds || 0
      );
    };
  
    //赋值
    Class.prototype.setValue = function(value){
      var that = this
      ,options = that.config
      ,elem = that.bindElem || options.elem[0]
      ,valType = that.isInput(elem) ? 'val' : 'html'
  
      options.position === 'static' || lay(elem)[valType](value || '');
      return this;
    };
  
    //标记范围内的日期
    Class.prototype.stampRange = function(){
      var that = this
      ,options = that.config
      ,startTime, endTime
      ,tds = lay(that.elem).find('td');
  
      if(options.range && !that.endDate) lay(that.footer).find(ELEM_CONFIRM).addClass(DISABLED);
      if(!that.endDate) return;
  
      startTime = that.newDate({
        year: that.startDate.year
        ,month: that.startDate.month
        ,date: that.startDate.date
      }).getTime();
  
      endTime = that.newDate({
        year: that.endDate.year
        ,month: that.endDate.month
        ,date: that.endDate.date
      }).getTime();
  
      if(startTime > endTime) return that.hint(TIPS_OUT);
  
      lay.each(tds, function(i, item){
        var ymd = lay(item).attr('lay-ymd').split('-')
        ,thisTime = that.newDate({
          year: ymd[0]
          ,month: ymd[1] - 1
          ,date: ymd[2]
        }).getTime();
        lay(item).removeClass(ELEM_SELECTED + ' ' + THIS);
        if(thisTime === startTime || thisTime === endTime){
          lay(item).addClass(
            lay(item).hasClass(ELEM_PREV) || lay(item).hasClass(ELEM_NEXT)
              ? ELEM_SELECTED
            : THIS
          );
        }
        if(thisTime > startTime && thisTime < endTime){
          lay(item).addClass(ELEM_SELECTED);
        }
      });
    };
  
    //执行done/change回调
    Class.prototype.done = function(param, type){
      var that = this
      ,options = that.config
      ,start = lay.extend({}, that.startDate ? lay.extend(that.startDate, that.startTime) : options.dateTime)
      ,end = lay.extend({}, lay.extend(that.endDate, that.endTime))
  
      lay.each([start, end], function(i, item){
        if(!('month' in item)) return;
        lay.extend(item, {
          month: item.month + 1
        });
      });
  
      param = param || [that.parse(), start, end];
      typeof options[type || 'done'] === 'function' && options[type || 'done'].apply(options, param);
  
      return that;
    };
  
    //选择日期
    Class.prototype.choose = function(td){
      var that = this
      ,options = that.config
      ,dateTime = options.dateTime
  
      ,tds = lay(that.elem).find('td')
      ,YMD = td.attr('lay-ymd').split('-')
  
      ,setDateTime = function(one){
        var thisDate = new Date();
  
        //同步dateTime
        one && lay.extend(dateTime, YMD);
  
        //记录开始日期
        if(options.range){
          that.startDate ? lay.extend(that.startDate, YMD) : (
            that.startDate = lay.extend({}, YMD, that.startTime)
          );
          that.startYMD = YMD;
        }
      };
  
      YMD = {
        year: YMD[0] | 0
        ,month: (YMD[1] | 0) - 1
        ,date: YMD[2] | 0
      };
  
      if(td.hasClass(DISABLED)) return;
  
      //范围选择
      if(options.range){
  
        lay.each(['startTime', 'endTime'], function(i, item){
          that[item] = that[item] || {
            hours: 0
            ,minutes: 0
            ,seconds: 0
          };
        });
  
        if(that.endState){ //重新选择
          setDateTime();
          delete that.endState;
          delete that.endDate;
          that.startState = true;
          tds.removeClass(THIS + ' ' + ELEM_SELECTED);
          td.addClass(THIS);
        } else if(that.startState){ //选中截止
          td.addClass(THIS);
  
          that.endDate ? lay.extend(that.endDate, YMD) : (
            that.endDate = lay.extend({}, YMD, that.endTime)
          );
  
          //判断是否顺时或逆时选择
          if(that.newDate(YMD).getTime() < that.newDate(that.startYMD).getTime()){
            var startDate = lay.extend({}, that.endDate, {
              hours: that.startDate.hours
              ,minutes: that.startDate.minutes
              ,seconds: that.startDate.seconds
            });
            lay.extend(that.endDate, that.startDate, {
              hours: that.endDate.hours
              ,minutes: that.endDate.minutes
              ,seconds: that.endDate.seconds
            });
            that.startDate = startDate;
          }
  
          options.showBottom || that.done();
          that.stampRange(); //标记范围内的日期
          that.endState = true;
          that.done(null, 'change');
        } else { //选中开始
          td.addClass(THIS);
          setDateTime();
          that.startState = true;
        }
        lay(that.footer).find(ELEM_CONFIRM)[that.endDate ? 'removeClass' : 'addClass'](DISABLED);
      } else if(options.position === 'static'){ //直接嵌套的选中
        setDateTime(true);
        that.calendar().done().done(null, 'change');
      } else if(options.type === 'date'){
        setDateTime(true);
        that.setValue(that.parse()).remove().done();
      } else if(options.type === 'datetime'){
        setDateTime(true);
        that.calendar().done(null, 'change');
      }
    };
  
    //底部按钮
    Class.prototype.tool = function(btn, type){
      var that = this
      ,options = that.config
      ,dateTime = options.dateTime
      ,isStatic = options.position === 'static'
      ,active = {
        //选择时间
        datetime: function(){
          if(lay(btn).hasClass(DISABLED)) return;
          that.list('time', 0);
          options.range && that.list('time', 1);
          lay(btn).attr('lay-type', 'date').html(that.lang().dateTips);
        }
  
        //选择日期
        ,date: function(){
          that.closeList();
          lay(btn).attr('lay-type', 'datetime').html(that.lang().timeTips);
        }
  
        //清空、重置
        ,clear: function(){
          that.setValue('').remove();
          isStatic && (
            lay.extend(dateTime, that.firstDate)
            ,that.calendar()
          )
          options.range && (
            delete that.startState
            ,delete that.endState
            ,delete that.endDate
            ,delete that.startTime
            ,delete that.endTime
          );
          that.done(['', {}, {}]);
        }
  
        //现在
        ,now: function(){
          var thisDate = new Date();
          lay.extend(dateTime, that.systemDate(), {
            hours: thisDate.getHours()
            ,minutes: thisDate.getMinutes()
            ,seconds: thisDate.getSeconds()
          });
          that.setValue(that.parse()).remove();
          isStatic && that.calendar();
          that.done();
        }
  
        //确定
        ,confirm: function(){
          if(options.range){
            if(!that.endDate) return that.hint('请先选择日期范围');
            if(lay(btn).hasClass(DISABLED)) return that.hint(
              options.type === 'time' ? TIPS_OUT.replace(/日期/g, '时间') : TIPS_OUT
            );
          } else {
            if(lay(btn).hasClass(DISABLED)) return that.hint('不在有效日期或时间范围内');
          }
          that.done();
          that.setValue(that.parse()).remove()
        }
      };
      active[type] && active[type]();
    };
  
    //统一切换处理
    Class.prototype.change = function(index){
      var that = this
      ,options = that.config
      ,dateTime = options.dateTime
      ,isAlone = options.range && (options.type === 'year' || options.type === 'month')
  
      ,elemCont = that.elemCont[index || 0]
      ,listYM = that.listYM[index]
      ,addSubYeay = function(type){
        var startEnd = ['startDate', 'endDate'][index]
        ,isYear = lay(elemCont).find('.laydate-year-list')[0]
        ,isMonth = lay(elemCont).find('.laydate-month-list')[0];
  
        //切换年列表
        if(isYear){
          listYM[0] = type ? listYM[0] - 15 : listYM[0] + 15;
          that.list('year', index);
        }
  
        if(isMonth){ //切换月面板中的年
          type ? listYM[0]-- : listYM[0]++;
          that.list('month', index);
        }
  
        if(isYear || isMonth){
          lay.extend(dateTime, {
            year: listYM[0]
          });
          if(isAlone) that[startEnd].year = listYM[0];
          options.range || that.done(null, 'change');
          that.setBtnStatus();
          options.range || that.limit(lay(that.footer).find(ELEM_CONFIRM), {
            year: listYM[0]
          });
        }
        return isYear || isMonth;
      };
  
      return {
        prevYear: function(){
          if(addSubYeay('sub')) return;
          dateTime.year--;
          that.checkDate('limit').calendar();
          options.range || that.done(null, 'change');
        }
        ,prevMonth: function(){
          var YM = that.getAsYM(dateTime.year, dateTime.month, 'sub');
          lay.extend(dateTime, {
            year: YM[0]
            ,month: YM[1]
          });
          that.checkDate('limit').calendar();
          options.range || that.done(null, 'change');
        }
        ,nextMonth: function(){
          var YM = that.getAsYM(dateTime.year, dateTime.month);
          lay.extend(dateTime, {
            year: YM[0]
            ,month: YM[1]
          });
          that.checkDate('limit').calendar();
          options.range || that.done(null, 'change');
        }
        ,nextYear: function(){
          if(addSubYeay()) return;
          dateTime.year++
          that.checkDate('limit').calendar();
          options.range || that.done(null, 'change');
        }
      };
    };
  
    //日期切换事件
    Class.prototype.changeEvent = function(){
      var that = this
      ,options = that.config;
  
      //日期选择事件
      lay(that.elem).on('click', function(e){
        lay.stope(e);
      });
  
      //年月切换
      lay.each(that.elemHeader, function(i, header){
        //上一年
        lay(header[0]).on('click', function(e){
          that.change(i).prevYear();
        });
  
        //上一月
        lay(header[1]).on('click', function(e){
          that.change(i).prevMonth();
        });
  
        //选择年月
        lay(header[2]).find('span').on('click', function(e){
          var othis = lay(this)
          ,layYM = othis.attr('lay-ym')
          ,layType = othis.attr('lay-type');
  
          if(!layYM) return;
  
          layYM = layYM.split('-');
  
          that.listYM[i] = [layYM[0] | 0, layYM[1] | 0];
          that.list(layType, i);
          lay(that.footer).find(ELEM_TIME_BTN).addClass(DISABLED);
        });
  
        //下一月
        lay(header[3]).on('click', function(e){
          that.change(i).nextMonth();
        });
  
        //下一年
        lay(header[4]).on('click', function(e){
          that.change(i).nextYear();
        });
      });
  
      //点击日期
      lay.each(that.table, function(i, table){
        var tds = lay(table).find('td');
        tds.on('click', function(){
          that.choose(lay(this));
        });
      });
  
      //点击底部按钮
      lay(that.footer).find('span').on('click', function(){
        var type = lay(this).attr('lay-type');
        that.tool(this, type);
      });
    };
  
    //是否输入框
    Class.prototype.isInput = function(elem){
      return /input|textarea/.test(elem.tagName.toLocaleLowerCase());
    };
  
    //绑定的元素事件处理
    Class.prototype.events = function(){
      var that = this
      ,options = that.config
  
      //绑定呼出控件事件
      ,showEvent = function(elem, bind){
        elem.on(options.trigger, function(){
          bind && (that.bindElem = this);
          that.render();
        });
      };
  
      if(!options.elem[0] || options.elem[0].eventHandler) return;
  
      showEvent(options.elem, 'bind');
      showEvent(options.eventElem);
  
      //绑定关闭控件事件
      lay(document).on('click', function(e){
        if(e.target === options.elem[0]
        || e.target === options.eventElem[0]
        || e.target === lay(options.closeStop)[0]){
          return;
        }
        that.remove();
      }).on('keydown', function(e){
        if(e.keyCode === 13){
          if(lay('#'+ that.elemID)[0] && that.elemID === Class.thisElem){
            e.preventDefault();
            lay(that.footer).find(ELEM_CONFIRM)[0].click();
          }
        }
      });
  
      //自适应定位
      lay(window).on('resize', function(){
        if(!that.elem || !lay(ELEM)[0]){
          return false;
        }
        that.position();
      });
  
      options.elem[0].eventHandler = true;
    };
  
    // 对外暴露 mod for laydatePro
    laydate.Class = Class;
  
    //核心接口
    laydate.render = function(options){
      var inst = new Class(options);
      return thisDate.call(inst);
    };
  
    //得到某月的最后一天
    laydate.getEndDate = function(month, year){
      var thisDate = new Date();
      //设置日期为下个月的第一天
      thisDate.setFullYear(
        year || thisDate.getFullYear()
        ,month || (thisDate.getMonth() + 1)
      ,1);
      //减去一天，得到当前月最后一天
      return new Date(thisDate.getTime() - 1000*60*60*24).getDate();
    };
  
    //暴露lay
    window.lay = window.lay || lay;
  
    //加载方式
    isLayui ? (
      laydate.ready()
      ,layui.define(function(exports){ //layui加载
        laydate.path = layui.cache.dir;
        exports(MOD_NAME, laydate);
      })
    ) : (
      (typeof define === 'function' && define.amd) ? define(function(){ //requirejs加载
        return laydate;
      }) : function(){ //普通script标签加载
        laydate.ready();
        window.laydate = laydate
      }()
    );
  
  }();
  