一些小的修正

src/features/runningTree.ts

@@ -219,8 +219,15 @@ class ListNode<ED extends EntityDict,
     getChild(path: string): SingleNode<ED, T, Cxt, AD> {
         const idx = parseInt(path, 10);
         assert(typeof idx === 'number');
+        if (idx < this.children.length) {
             return this.children[idx];
         }
+        else {
+            const idx2 = idx - this.children.length;
+            // assert(idx2 < this.newBorn.length);  // 在删除结点时可能还是会跑到
+            return this.newBorn[idx2];
+        }
+    }
 
     getChildren() {
         return this.children;
@@ -242,17 +249,13 @@ class ListNode<ED extends EntityDict,
     }
 
     setValue(value: SelectRowShape<ED[T]['OpSchema'], ED[T]['Selection']['data']>[]) {
+        this.children = [];
         value.forEach(
             (ele, idx) => {
-                if (this.children[idx]) {
-                    this.children[idx].setValue(ele);
-                }
-                else {
                 const node = new SingleNode(this.entity, this.schema, this.cache, this.projection, this.projectionShape, this);
                 this.children[idx] = node;
                 node.setValue(ele);
             }
-            }
         );
     }
 
@@ -686,7 +689,7 @@ class SingleNode<ED extends EntityDict,
         const projection = await this.getProjection();
         if (this.id) {
             this.refreshing = true;
-            const { result: [ value ]} = await this.cache.refresh(this.entity, {
+            const { result: [value] } = await this.cache.refresh(this.entity, {
                 data: projection,
                 filter: {
                     id: this.id,
@@ -980,6 +983,7 @@ export class RunningTree<ED extends EntityDict, Cxt extends Context<ED>, AD exte
 
     async getValue(path: string) {
         const node = this.findNode(path);
+        if (node) {
             let value: ReturnType<typeof node.getValue> | undefined = node.getValue();
 
             if (node.isDirty()) {
@@ -990,6 +994,8 @@ export class RunningTree<ED extends EntityDict, Cxt extends Context<ED>, AD exte
 
             return value instanceof Array ? value : [value];
         }
+        return [undefined];
+    }
 
     isDirty(path: string) {
         const node = this.findNode(path);
@@ -1227,7 +1233,7 @@ export class RunningTree<ED extends EntityDict, Cxt extends Context<ED>, AD exte
         const parentNode = this.findNode(parent);
 
         const node = parentNode.getChild(path);
-        assert (parentNode instanceof ListNode && node instanceof SingleNode);        // 现在应该不可能remove一个list吧，未来对list的处理还要细化
+        assert(parentNode instanceof ListNode && node instanceof SingleNode);        // 现在应该不可能remove一个list吧，未来对list的处理还要细化
         if (node.getValue().id) {
             // 如果有id，说明是删除数据
             await this.getAspectProxy().operate({

src/index.ts

@@ -9,3 +9,4 @@ export * from './types/Feature';
 export * from './types/ExceptionRoute';
 export { BasicFeatures } from  './features';
 export * from './features/cache';
+export * from './features/upload';

src/platforms/wechatMp/index.ts

@@ -89,7 +89,7 @@ type OakComponentMethods<ED extends EntityDict, T extends keyof ED> = {
     subscribed?: () => void;
     subscribe: () => void;
     unsubscribe: () => void;
-    reRender: (extra?: any) => Promise<void>;
+    reRender: (extra?: Record<string, any>) => Promise<void>;
     pushNode: (path?: string, options?: Pick<CreateNodeOptions<ED, keyof ED>, 'updateData' | 'beforeExecute' | 'afterExecute'>) => void;
     removeNode: (parent: string, path: string) => void;
     setUpdateData: (attr: string, input: any) => void;
@@ -223,7 +223,7 @@ function createPageOptions<ED extends EntityDict,
             newOakActions: Array,
         },
         methods: {
-            async reRender() {
+            async reRender(extra) {
                 if (this.data.oakFullpath) {
                     const $rows = await features.runningTree.getValue(this.data.oakFullpath);
                     const data = await formData.call(this, $rows as any, features);
@@ -254,6 +254,9 @@ function createPageOptions<ED extends EntityDict,
                             oakLegalActions,
                         });
                     }
+                    if (extra) {
+                        assign(data, extra);
+                    }
 
                     this.setData(data);
                 }
@@ -679,7 +682,7 @@ function createComponentOptions<ED extends EntityDict,
                 }
             },
 
-            async reRender() {
+            async reRender(extra) {
                 if (this.data.oakFullpath) {
                     const $rows = await features.runningTree.getValue(this.data.oakFullpath);
                     const data = await formData.call(this, $rows as any, features);
@@ -711,6 +714,9 @@ function createComponentOptions<ED extends EntityDict,
                         });
                     } */
 
+                    if (extra) {
+                        assign(data, extra);
+                    }
                     this.setData(data);
                 }
             },
@@ -721,7 +727,9 @@ function createComponentOptions<ED extends EntityDict,
                 if (path2 && parent2) {
                     const oakFullpath2 = `${parent2}.${path2}`;
                     if (oakFullpath2 !== this.data.oakFullpath) {
-                        this.data.oakFullpath = oakFullpath2;
+                        this.setData({
+                            oakFullpath: oakFullpath2,
+                        });
                         this.reRender();
                     }
                 }
@@ -852,7 +860,10 @@ function createComponentOptions<ED extends EntityDict,
             async ready() {
                 const { oakPath, oakParent } = this.data;
                 if (oakParent && oakPath) {
-                    this.data.oakFullpath = `${oakParent}.${oakPath}`;
+                    const oakFullpath = `${oakParent}.${oakPath}`;
+                    this.setData({
+                        oakFullpath,
+                    });                    
                     this.reRender();
                 }
             },