DatePicker: 修复 DatePicker 日期选择器 属性的cellClassName属性值在显示类型为 year/month 时无效

packages/date-picker/src/basic/month-table.vue

@@ -48,6 +48,7 @@
   export default {
     props: {
       disabledDate: {},
+      cellClassName: {},
       value: {},
       selectionMode: {
         default: 'month'
@@ -130,6 +131,11 @@
             style['end-date'] = true;
           }
         }
+        if (typeof this.cellClassName === 'function') {
+          const customClass = this.cellClassName(new Date(year, month, 1));
+          customClass && (style[customClass] = true);
+          style[customClass] = !!customClass;
+        }
         return style;
       },
       getMonthOfCell(month) {

packages/date-picker/src/basic/year-table.vue

@@ -57,6 +57,7 @@
   export default {
     props: {
       disabledDate: {},
+      cellClassName: {},
       value: {},
       defaultValue: {
         validator(val) {
@@ -85,6 +86,11 @@
         style.current = arrayFindIndex(coerceTruthyValueToArray(this.value), date => date.getFullYear() === year) >= 0;
         style.today = today.getFullYear() === year;
         style.default = this.defaultValue && this.defaultValue.getFullYear() === year;
+        if (typeof this.cellClassName === 'function') {
+          const customClass = this.cellClassName(new Date(year, 0));
+          customClass && (style[customClass] = true);
+          style[customClass] = !!customClass;
+        }
 
         return style;
       },

packages/date-picker/src/panel/date.vue

@@ -106,6 +106,7 @@
               :value="value"
               :default-value="defaultValue ? new Date(defaultValue) : null"
               :date="date"
+              :cell-class-name="cellClassName"
               :disabled-date="disabledDate">
             </year-table>
             <month-table
@@ -115,6 +116,7 @@
               :value="value"
               :default-value="defaultValue ? new Date(defaultValue) : null"
               :date="date"
+              :cell-class-name="cellClassName"
               :disabled-date="disabledDate">
             </month-table>
           </div>