technique_admin/src/lang/index.js

import { createI18n } from 'vue-i18n'
// 本地语言包
// tm('key') 取ref对象 再用toRaw转换成普通对象
// t('key.target')取值
import enLocale from './package/en'
import zhCnLocale from './package/zh-cn'
const messages = {
  'zh-cn': {
    ...zhCnLocale
  },
  'en-us': {
    ...enLocale
  }
}

const i18n = createI18n({
  legacy: false,
  locale: localStorage.getItem('language'),
  messages: messages,
  globalInjection: true
})

export default i18n