修复下拉数据数据加载异常

src/components/dropdown-list/dropdown-list.vue

@@ -19,6 +19,7 @@
 import { Vue, Component, Watch, Prop, Model } from 'vue-property-decorator';
 import CodeListService from "@service/app/codelist-service";
 import { Util } from '@/utils';
+import { Subject, Subscription } from 'rxjs';
 
 @Component({
 })
@@ -84,6 +85,23 @@ export default class DropDownList extends Vue {
      */
     @Prop() public data?: any;
 
+    /**
+     * 表单状态对象
+     *
+     * @type {Subject<any>}
+     * @memberof AppEmbedPicker
+     */
+    @Prop() public formState!: Subject<any>
+
+    /**
+     * 订阅对象
+     *
+     * @protected
+     * @type {(Subscription | undefined)}
+     * @memberof SelectType
+     */
+    protected formStateEvent: Subscription | undefined;
+
   /**
      * 监听表单数据
      *
@@ -241,6 +259,21 @@ export default class DropDownList extends Vue {
      * @memberof DropDownList
      */
     public created() {
+        if(this.formState) {
+            this.formStateEvent = this.formState.subscribe(({ tag, action, data }) => {
+                if (Object.is('load', action)) {
+                    this.loadData();
+                }
+            });
+        }
+    }
+
+    /**
+     * 加载数据
+     *
+     * @memberof DropDownList
+     */
+    public loadData(){
       if(this.tag && Object.is(this.codelistType,"STATIC")){
           const codelist = this.$store.getters.getCodeList(this.tag);
           if (codelist) {
@@ -372,6 +405,17 @@ export default class DropDownList extends Vue {
             }
         })
     }
+
+    /**
+     * vue 生命周期
+     *
+     * @memberof DropDownList
+     */
+    public destroyed() {
+        if (this.formStateEvent) {
+            this.formStateEvent.unsubscribe();
+        }
+    }
 }
 </script>