laydate修复面板联动的一些问题；

src/css/modules/laydate.css

@@ -113,8 +113,8 @@ html #layuicss-laydate{display: none; position: absolute; width: 1989px;}
 .layui-laydate-content{border-top: none 0; border-bottom: none 0;}
 .layui-laydate-content th{color: #333;}
 .layui-laydate-content td{color: #666;}
-.layui-laydate-content td.laydate-selected{background-color: #B5FFF8;}
+.layui-laydate-content td.laydate-selected>div{background-color: #00F7DE;}
-.laydate-selected:hover{background-color: #00F7DE !important;}
+.laydate-selected:hover>div{background-color: #00F7DE !important;}
 .layui-laydate-content td>div:hover,
 .layui-laydate-list li:hover,
 .layui-laydate-shortcut>li:hover{background-color: #eee; color: #333;}
@@ -123,8 +123,8 @@ html #layuicss-laydate{display: none; position: absolute; width: 1989px;}
 .laydate-time-list>li:hover{background: none;}
 .layui-laydate-content .laydate-day-prev,
 .layui-laydate-content .laydate-day-next{color: #d2d2d2;}
-.laydate-selected.laydate-day-prev,
+.laydate-selected.laydate-day-prev>div,
-.laydate-selected.laydate-day-next{background-color: #f8f8f8 !important;}
+.laydate-selected.laydate-day-next>div{background-color: #f8f8f8 !important;}
 .layui-laydate-footer{border-top: 1px solid #e2e2e2;}
 .layui-laydate-hint{color: #FF5722;}
 .laydate-day-mark::after{background-color: #5FB878;}

src/modules/laydate.js

@@ -252,7 +252,8 @@
     //切换日历联动方式
     that.autoCalendarModel = function () {
       var state = that.calendarLinkage;
-      that.calendarLinkage = (options.range && (options.type === 'date' || options.type === 'datetime')) && that.startDate && that.endDate && that.startDate.year === that.endDate.year && that.startDate.month === that.endDate.month;
+      that.calendarLinkage = (options.range && (options.type === 'date' || options.type === 'datetime'))
+        && that.startDate && that.endDate && that.startDate.year === that.endDate.year && that.startDate.month === that.endDate.month;
       lay(that.elem)[that.calendarLinkage ? 'addClass' : 'removeClass']('layui-laydate-linkage');
       return that.calendarLinkage != state; // 返回发生了变化
     };
@@ -839,8 +840,7 @@
     if(fn === 'limit') {
       if (options.range) {
         checkValid(that.calendarLinkage ? that.startDate : dateTime); // 校验开始时间
-        checkValid(that.endDate); // 校验结束时间
+        that.endDate && checkValid(that.endDate); // 校验结束时间
-        that.endState = !that.calendarLinkage || !!(that.startDate && that.endDate);
       } else {
         checkValid(dateTime);
       }
@@ -1709,6 +1709,7 @@
         // 重新选择或者第一次选择
         index = 0;
         that.endState = false;
+        that.endDate = {};
       } else {
         index = 1;
         that.endState = true;
@@ -1759,6 +1760,8 @@
       if (!index) {
         that.startDate = lay.extend({}, dateTime); // 同步startDate
       }
+      // 校验另外一个日期是否在有效的范围内
+      if (that.endState && !that.limit({date: that.thisDateTime(1 - index)})) {
         // 根据选择之后判断是否需要切换模式
         var isChange;
         if (that.endState && that.autoCalendarModel.auto) {
@@ -1778,8 +1781,8 @@
           )
         }
         isChange && (options.dateTime = lay.extend({}, that.startDate));
+      }
       that.calendar(null, that.calendarLinkage ? null : index, isChange || that.calendarLinkage ? 'init' : null).done(null, 'change');
-      // that.calendar(null, null, 'init').done(null, 'change');
     } else if(options.position === 'static'){ //直接嵌套的选中
       that.calendar().done().done(null, 'change'); //同时执行 done 和 change 回调
     } else if(options.type === 'date'){
@@ -1928,10 +1931,9 @@
           year: YM[0]
           ,month: YM[1]
         });
-        if (that.calendarLinkage) {
+
         that.checkDate('limit').calendar(null, null, 'init');
-        } else {
+        if (!that.calendarLinkage) {
-          that.checkDate('limit').calendar(null, index);
           that.choose(lay(elemCont).find('td.layui-this'), index);
           that.done(null, 'change');
         }
@@ -1945,10 +1947,9 @@
           year: YM[0]
           ,month: YM[1]
         });
-        if (that.calendarLinkage) {
+
         that.checkDate('limit').calendar(null, null, 'init');
-        } else {
+        if (!that.calendarLinkage) {
-          that.checkDate('limit').calendar(null, index);
           that.choose(lay(elemCont).find('td.layui-this'), index);
           that.done(null, 'change');
         }