feat: 添加pinia

src/main.ts

@@ -1,8 +1,11 @@
+import { createPinia } from 'pinia';
 import { createApp } from 'vue';
 import { createI18n } from 'vue-i18n';
 import { createMemoryHistory, createRouter } from 'vue-router';
 import App from './App.vue';
 import HelloWorld from './components/HelloWorld.vue';
+
+import Demo from './components/Demo.vue';
 import './style.css';
 const i18n = createI18n({
   locale: 'zh',
@@ -24,8 +27,11 @@ const i18n = createI18n({
 const routes = [
   { path: '/', component: App },
   { path: '/about', component: HelloWorld },
+  { path: '/demo', component: Demo },
 ];
 
+const pinia = createPinia();
+
 const router = createRouter({
   history: createMemoryHistory(),
   routes,
@@ -35,5 +41,6 @@ const app = createApp(App);
 app.use(i18n);
 
 app.use(router);
+app.use(pinia);
 
 app.mount('#app');