Pull request #2136: 无JIRA任务 描述

Merge in VISUAL/fineui from ~FAY/fineui:master to master

* commit 'a89348ebe008af605b8b9a491da74e08b4a160fd':
  无JIRA任务 描述

dist/lib/core/wrapper/layout.d.ts

@@ -3,7 +3,7 @@ export declare class Layout extends Widget {
     static xtype: string;
     addItem(item: any): any;
     prependItem(item: any): any;
-    addItemAt(index: string, item: any): any;
+    addItemAt(index: number, item: any): any;
     removeItemAt(indexes: any): void;
     shouldUpdateItem(index: number, item: any): boolean;
     updateItemAt(index: number, item: any): any;

typescript/core/wrapper/layout.ts

@@ -7,7 +7,7 @@ export declare class Layout extends Widget {
 
     prependItem(item: any): any;
 
-    addItemAt(index: string, item: any): any;
+    addItemAt(index: number, item: any): any;
 
     removeItemAt(indexes: any): void;