《Vue3 Pinia 实战：封装全局状态管理（附源码）》（781）

# 🔥 Vue3 Pinia 实战：封装全局状态管理（附源码） 

在 Vue3 生态中，**Pinia** 已成为新一代状态管理工具的首选 🚀。相比 Vuex，Pinia 更轻量、更直观，完美支持 Composition API。今天，我们就来实战封装一个全局状态管理方案，并附上完整源码！ 

## 🛠️ 为什么选择 Pinia？ 
- **TypeScript 友好**：自动推导类型，减少类型定义烦恼 📦 
- **模块化设计**：无需嵌套模块，每个 Store 独立管理 🧩 
- **Devtools 支持**：轻松调试状态变化 🔍 

## 🎯 实战：封装全局 Store 
### 1️⃣ 安装 Pinia 
```bash
npm install pinia
``` 

### 2️⃣ 创建全局 Store 
在 `src/stores` 目录下定义 Store，例如用户信息管理： 

```ts
// stores/user.ts
import { defineStore } from 'pinia'

export const useUserStore = defineStore('user', {
 state: () => ({
  name: 'Guest',
  token: ''
 }),
 actions: {
  login(name: string, token: string) {
   this.name = name
   this.token = token
  }
 }
})
``` 

### 3️⃣ 全局注册 
在 `main.ts` 中挂载 Pinia： 

```ts
import { createPinia } from 'pinia'

const app = createApp(App)
app.use(createPinia())
``` 

### 4️⃣ 组件中使用 
```vue
<script setup>
import { useUserStore } from '@/stores/user'
const user = useUserStore()
</script>

<template>
 <div>欢迎，{{ user.name }}！</div>
</template>
``` 

## 💡 高级封装技巧 
- **持久化存储**：搭配 `pinia-plugin-persistedstate` 实现状态持久化 💾 
- **自动导入**：使用 `unplugin-auto-import` 免手动导入 Store ✨ 

## 📦 源码获取 
完整项目已上传 GitHub：[项目链接](#)（替换为你的仓库地址） 

Pinia 让状态管理变得简单高效，快来试试吧！🎉 

> 提示：本文代码基于 Vue3 + TypeScript，确保你的环境已正确配置。
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