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extensions/app/assets/manager/event/EventManager.ts

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+import { EventTarget, _decorator } from 'cc';
+import BaseManager from '../../base/BaseManager';
+const { ccclass } = _decorator;
+
+class Event {
+    static destroy(event: Event) {
+        if (!event) return;
+        event._event = null;
+    }
+
+    // 事件管理器
+    private _event: EventTarget = new EventTarget();
+
+    /**
+     * 事件分发
+     */
+    public emit(event: string | number, ...data: any[]) {
+        if (!this._event) {
+            throw Error('当前event已销毁，无法继续调用');
+        }
+        this._event.emit(event as any, ...data);
+    }
+
+    /**
+     * 事件监听
+     */
+    public on(event: string | number, cb: (...any: any[]) => void, target?: any) {
+        if (!this._event) {
+            throw Error('当前event已销毁，无法继续调用');
+        }
+        this._event.on(event as any, cb, target);
+    }
+
+    /**
+     * 事件监听
+     */
+    public once(event: string | number, cb: (...any: any[]) => void, target?: any) {
+        if (!this._event) {
+            throw Error('当前event已销毁，无法继续调用');
+        }
+        this._event.once(event as any, cb, target);
+    }
+
+    /**
+     * 事件移除监听
+     */
+    public off(event: string | number, cb?: (...any: any[]) => void, target?: any) {
+        if (!this._event) {
+            throw Error('当前event已销毁，无法继续调用');
+        }
+        this._event.off(event as any, cb, target);
+    }
+
+    /**
+     * 事件移除监听
+     */
+    public targetOff(target: any) {
+        if (!this._event) {
+            throw Error('当前event已销毁，无法继续调用');
+        }
+        this._event.targetOff(target);
+    }
+}
+
+@ccclass('EventManager')
+export default class EventManager extends BaseManager {
+    private events: Map<string | number | Symbol, Event> = new Map();
+
+    clear() {
+        this.events.forEach(event => Event.destroy(event));
+        return this.events.clear();
+    }
+
+    delete(key: string | number | Symbol) {
+        Event.destroy(this.events.get(key));
+        return this.events.delete(key);
+    }
+
+    get(key: string | number | Symbol): Event {
+        if (this.events.has(key)) {
+            return this.events.get(key);
+        }
+
+        const event = new Event();
+        this.events.set(key, event);
+
+        return event;
+    }
+}