client-eam-v5/src/App.vue

<template>
  <div id="app">
    <router-view />
  </div>
</template>

<script>
export default {
  name: 'App',

  mounted: function () {
    var _self = this;
    var languageSelected = localStorage.getItem('#languageSelected');
    if (languageSelected == null || languageSelected == '') {
      this.$i18n.locale = 'zh-CN';
    } else {
      this.$i18n.locale = languageSelected;
    }
  },
};
</script>

<style scoped>
#app {
    margin: 10px;
}
</style>