guoziwei_ui/src/main.js

import { createApp } from 'vue'
import App from './App.vue'
import router from './router'
import { createPinia } from 'pinia'
import piniaPluginPersistedstate from 'pinia-plugin-persistedstate'
import '@/assets/common.css'
import * as echarts from 'echarts'

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

const app = createApp(App)
app.config.globalProperties.$echarts = echarts
app.use(pinia)
app.use(router)
app.mount('#app')