Initial commit

src/utils/eventBus.js

@@ -0,0 +1,25 @@
+// 简单的事件总线，用于组件间通信
+class EventBus {
+  constructor() {
+    this.events = {};
+  }
+
+  on(event, callback) {
+    if (!this.events[event]) {
+      this.events[event] = [];
+    }
+    this.events[event].push(callback);
+  }
+
+  off(event, callback) {
+    if (!this.events[event]) return;
+    this.events[event] = this.events[event].filter(cb => cb !== callback);
+  }
+
+  emit(event, data) {
+    if (!this.events[event]) return;
+    this.events[event].forEach(callback => callback(data));
+  }
+}
+
+export default new EventBus();