为项目添加状态管理

src/store.js

@@ -0,0 +1,36 @@
+import { defineStore } from "pinia";
+
+// 定义游戏相关的 store
+export default defineStore("store", {
+  // 状态
+  state: () => ({
+    user: {
+      username: "游客",
+    },
+  }),
+
+  // 计算属性
+  getters: {
+    getUsername: (state) => {
+      return state.user.username;
+    },
+  },
+
+  // 方法
+  actions: {
+    updateUsername(newUsername) {
+      this.user.username = newUsername;
+    },
+  },
+
+  // 开启数据持久化
+  persist: {
+    enabled: true,
+    strategies: [
+      {
+        storage: uni.getStorageSync,
+        paths: ["user"], // 只持久化用户信息
+      },
+    ],
+  },
+});