优化Framework.UI新增便捷接口

client/assets/scripts/Framework/UI/UIBase.ts

@@ -1,4 +1,4 @@
-import { Node } from 'cc';
+import { Node, Component, Button } from 'cc';
 
 /**
  * UI基类
@@ -121,4 +121,67 @@ export abstract class UIBase {
     isLoaded(): boolean {
         return this._isLoaded;
     }
+    
+    /**
+     * 查找子节点并获取组件
+     * @param path 节点路径,支持多层级查找(如: 'mid/input_account')
+     * @param componentType 组件类型
+     * @returns 组件实例,未找到则返回null
+     * @example
+     * const editBox = this.GetChild('mid/input_account', EditBox);
+     * const button = this.GetChild('btn_login', Button);
+     */
+    protected GetChild<T extends Component>(path: string, componentType: { new(): T }): T | null {
+        if (!this._node) {
+            console.error('[UIBase] GetChild失败: UI根节点不存在');
+            return null;
+        }
+        
+        const childNode = this._node.getChildByPath(path);
+        if (!childNode) {
+            console.error(`[UIBase] GetChild失败: 未找到节点 ${path}`);
+            return null;
+        }
+        
+        const component = childNode.getComponent(componentType);
+        if (!component) {
+            console.error(`[UIBase] GetChild失败: 节点 ${path} 未挂载 ${componentType.name} 组件`);
+            return null;
+        }
+        
+        return component;
+    }
+    
+    /**
+     * 设置按钮点击事件
+     * @param button Button组件或包含Button组件的Node
+     * @param callback 点击回调函数
+     * @param target 回调函数的this指向
+     * @example
+     * const btn = this.GetChild('btn_login', Button);
+     * this.SetClick(btn, this.onLoginClick, this);
+     */
+    protected SetClick(button: Button | Node | null, callback: () => void, target?: any): void {
+        if (!button) {
+            console.error('[UIBase] SetClick失败: button为null');
+            return;
+        }
+        
+        let targetNode: Node | null = null;
+        
+        // 判断是Button组件还是Node
+        if (button instanceof Button) {
+            targetNode = button.node;
+        } else if (button instanceof Node) {
+            targetNode = button;
+        }
+        
+        if (!targetNode) {
+            console.error('[UIBase] SetClick失败: 无法获取目标节点');
+            return;
+        }
+        
+        // 绑定点击事件
+        targetNode.on(Node.EventType.TOUCH_END, callback, target);
+    }
 }