关于vue3:vue3国际化语言包在js文件中的使用

main.ts
app.use(i18n)

js中应用

<script setup lang="ts">
import { getCurrentInstance, ComponentInternalInstance } from "vue"

const { appContext } = getCurrentInstance() as ComponentInternalInstance

let msg = appContext.config.globalProperties.$t("message")
console.log(msg)
</script>

模板中应用
$t('message')