Vue使用pinia管理数据pinia持久化存储问题

import { createPinia } from 'pinia'

const pinia = createPinia()

app.use(pinia)

import { defineStore } from 'pinia'

const useHomeStore = defineStore('home',{
    state:()=>({
        name:'tony'
    })
})

export default useHomeStore

import useHomeStore from './modules/home'

const useStore = () => {
    return {
        home:useHomeStore()
    }
}

export default useStore

import useStore from '@/store'
const { home } = useStore()
console.log(home.tony)

const useHomeStore = defineStore('home',{
    state:() =>({
        categoryList:[]
    }),
    actions:{
     aysnc getAllCategory(){
      const {data} = await rquest.get('/home/category/head')
      this.categoryList = data.result                        
     }
    }
})

<script setup lang="ts">
import useStore from '@/store'
const { home } = useStore()
home.getAllCategory()
</script>

// 分类数据单项类型
export interface Goods {
  desc: string;
  id: string;
  name: string;
  picture: string;
  price: string;
  title: string;
  alt: string;
};

export interface Children {
  id: string;
  name: string;
  picture: string;
  goods: Goods[];
};

export interface Category {
  id: string;
  name: string;
  picture: string;
  children: Children[];
  goods: Goods[];
};

// 分类数据列表类型
export type CategoryList = Category[];

// 统一导出所有类型文件
export * from "./api/home";

import { defineStore } from "pinia";
import request from "@/utils/request";
import type { CategoryList } from "@/types";

const useHomeStore = defineStore("home", {
  state: () => ({
    categoryList: [] as CategoryList,
  }),
  actions: {
    async getAllCategory() {
      const {data} = await request.get("/home/category/head");
      this.categoryList = data.result;
    },
  },
});

export default useHomeStore;

-import axios from "axios";
+import axios, { type Method } from "axios";

const instance = axios.create({
  baseURL: "xxx",
  timeout: 5000,
});

// 添加请求拦截器
instance.interceptors.request.use(
  function (config) {
    // 在发送请求之前做些什么
    return config;
  },
  function (error) {
    // 对请求错误做些什么
    return Promise.reject(error);
  }
);

// 添加响应拦截器
instance.interceptors.response.use(
  function (response) {
    return response;
  },
  function (error) {
    // 对响应错误做点什么
    return Promise.reject(error);
  }
);

+ // 后端返回的接口数据格式
+ interface ApiRes<T = unknown> {
+    msg: string;
+    result: T;
+ }

+/**
+ * axios 二次封装，整合 TS 类型
+ * @param url  请求地址
+ * @param method  请求类型
+ * @param submitData  对象类型，提交数据
+ */
+export const http = <T>(method: Method, url: string, submitData?: object) => {
+  return instance.request<ApiRes<T>>({
+    url,
+    method,
+    // 🔔 自动设置合适的 params/data 键名称，如果 method 为 get 用 params 传请求参数，否则用 data
+    [method.toUpperCase() === "GET" ? "params" : "data"]: submitData,
+  });
+};

export default instance;

import { defineStore } from 'pinia'
-import request from "@/utils/request";
+import { http } from "@/utils/request";

const useHomeStore = defineStore('home',{
    state:()=>({
        name:'tony'
    })，
    actions: {
    async getAllCategory() {
-    const res = await request.get<ApiRes<CategoryList>>("/home/category/head");
+    // 使用起来简洁很多
+    const res = await http<CategoryList>("GET", "/home/category/head");
     this.categoryList = res.data.result;
    },
  },
})

export default useHomeStore

yarn add pinia-plugin-persistedstate
# 或
npm i pinia-plugin-persistedstate

import piniaPluginPersistedstate from 'pinia-plugin-persistedstate'

const pinia = createPinia();
pinia.use(piniaPluginPersistedstate);
app.use(pinia);

const useHomeStore = defineStore("home",()=>{
...
},
// defineStore 第三个参数
  {
    // 添加配置开启 state/ref 持久化存储
    // 插件默认存储全部 state/ref
    persist: true,
  }
);

import { defineStore } from 'pinia'

export const useStore = defineStore('main', {
  state: () => {
    return {
      someState: 'hello pinia',
      nested: {
        data: 'nested pinia',
      },
    }
  },
  // 所有数据持久化
  // persist: true,
  // 持久化存储插件其他配置
  persist: {
    // 按需存储 state/ref
    // 修改存储中使用的键名称，默认为当前 Store的 id
    key: 'storekey',
    // 修改为 sessionStorage，默认为 localStorage
    storage: window.sessionStorage,
    // 🎉按需持久化，默认不写会存储全部
    paths: ['nested.data'],
  },
})