vue3的多语言如何改成异步按需请求语言文件? import {createI18n} from 'vue-i18n' import zh from './zh' import en from './en' const i18n = createI18n({ legacy: false, globalInjection: true, locale: localStorage.getItem('locale') || navigator.language.slice(0, 2), messages: { en, zh, } }); export default i18n