Merge pull request #243264 in DEC/fineui from final/11.0 to release/11.0

* commit '03d9824da15c8cc0b081e0d9cabd385cd0c41176':
  BI-130613 fix: 优化代码
  BI-130613 fix: 下拉树展开没有加载

packages/fineui/src/case/ztree/asynctree.js

@@ -1,7 +1,19 @@
-import { cjkEncodeDO, deepClone, each, extend, isEmpty, isNotNull, isNull, shortcut } from "@/core";
+import {
+    cjkEncodeDO,
+    deepClone,
+    each,
+    extend,
+    isEmpty,
+    isNotNull,
+    isNull,
+    shortcut,
+    AbsoluteLayout,
+    createWidget,
+} from "@/core";
 import { TreeView } from "./treeview";
 import { TreeRenderPageService } from "./treerender.page.service";
 import $ from "jquery";
+import { IconLabel } from "@/base";
 
 @shortcut()
 export class AsyncTree extends TreeView {
@@ -197,7 +209,34 @@ export class AsyncTree extends TreeView {
                 },
                 options
             );
-            o.itemsCreator(op, complete);
+
+            let loadingIcon;
+            createWidget({
+                type: AbsoluteLayout.xtype,
+                element: self.element.find(`#${treeNode.tId}`),
+                css: {
+                    position: "relative",
+                },
+                items: [
+                    {
+                        el: {
+                            type: IconLabel.xtype,
+                            width: 20,
+                            height: 20,
+                            cls: "button-loading-font anim-rotate bi-card",
+                            ref: ref => {
+                                loadingIcon = ref;
+                            },
+                        },
+                        left: 5,
+                        top: 5,
+                    },
+                ],
+            });
+            o.itemsCreator(op, (...args) => {
+                complete.apply(this, args);
+                loadingIcon.destroy();
+            });
         }
 
         // 展开节点会将halfCheck置为false以开启自动计算半选, 所以第一次展开节点的时候需要在置为false之前获取配置