修改数据结构

src/hooks/useEvent.ts

@@ -0,0 +1,7 @@
+// event.js
+import {onMounted, onUnmounted} from 'vue'
+
+export function useEventListener(type: string, listener: EventListenerOrEventListenerObject) {
+  onMounted(() => window.addEventListener(type, listener))
+  onUnmounted(() => window.removeEventListener(type, listener))
+}