BI-145829 fix: DownListCombo,getValue方法在popupView未创建时,取options.value

packages/fineui/src/widget/downlist/combo.downlist.js

@@ -1,4 +1,4 @@
-import { cloneDeep, createWidget, each, extend, isArray, shortcut, some, Widget } from "@/core";
+import { cloneDeep, createWidget, each, extend, isArray, isNull, shortcut, some, Widget } from "@/core";
 import { DownListPopup } from "./popup.downlist";
 import { Combo } from "@/base";
 import { IconTrigger } from "@/case";
@@ -134,7 +134,11 @@ export class DownListCombo extends Widget {
     }
 
     getValue() {
-        return this.popupView.getValue();
+        if (isNull(this.popupView)) {
+            return this.options.value;
+        } else {
+            return this.popupView.getValue();
+        }
     }
 
     adjustWidth() {