封装方法，搭建项目

src/stores/notice.js

@@ -0,0 +1,12 @@
+import { defineStore } from 'pinia';
+
+export const noticeStore = defineStore('noticeNum', {
+	state: () => {
+		return { data: { num: 0 } };
+	},
+	actions: {
+		increment() {
+			this.data.num++;
+		},
+	},
+});