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TypeScript

//i18n-setup.js
import Vue from 'vue';
import VueI18n from 'vue-i18n';
import axios from '@/utils/request';
import cn from '@/i18n/lang/cn';
import en from '@/i18n/lang/en';
Vue.use(VueI18n);
const i18n = new VueI18n({
locale: 'en', // 设置语言环境
fallbackLocale: 'en',
messages: { cn, en }, // 设置语言环境信息
});
// 由于微信小程序的运行机制问题需声明如下一行H5和APP非必填
Vue.prototype._i18n = i18n;
Vue.filter('t', (v: any) => i18n.t(v));
Vue.filter('tc', (v: any) => i18n.tc(v));
Vue.filter('te', (v: any) => i18n.te(v));
Vue.filter('d', (v: any) => i18n.d(v));
Vue.filter('n', (v: any) => i18n.n(v));
export type Lang = 'cn' | 'en';
export function setI18nLanguage(lang: string) {
i18n.locale = lang;
axios.defaults.headers.common['Accept-Language'] = lang;
document.querySelector('html')?.setAttribute('lang', lang);
return lang;
}
export default i18n;