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@yangss/vue3-i18n

v1.1.4

Published

A simple i18n plugin for Vue3

Downloads

15

Readme

vue3-i18n

A simple i18n plugin for Vue 3

Install

npm install @yangss/vue3-i18n

Usage

在 main.js 文件中引入 vue3-i18n

import App from './App.vue'
import { createApp } from 'vue'
import { createI18n } from '@yangss/vue3-i18n'

const i18n = createI18n({
  locale: 'zhCN',
  fallbackLocale: 'zhCN',
  messages: {
    'zhCN': {
      hello: '你好',
      usa: '美国',
      china: '中国',
      introduction: `我叫{name}, 今年{age}岁`
    },
    'enUS': {
      hello: 'Hello',
      usa: 'America',
      china: 'China',
      introduction: `My name is {name}, I'm {age} years old`
    }
  }
})

createApp(App).use(i18n).mount('#app')

在组件中使用,App.vue

<template>
  <button @click="switchLanguage">switch</button>
  <p>{{ $t('hello') }}</p>
  <p v-for="country in countries" :key="country">{{ country }}</p>
  <!-- 使用变量 >=1.1.0 -->
  <p>{{ $t('introduction', { name: 'Jack', age: 25 }) }}</p>
</template>

<script>
import { useI18n } from '@yangss/vue3-i18n'
export default {
  setup() {
    const { locale, t } = useI18n()
    return {
      switchLanguage: () => { locale.value = locale.value === 'zhCN' ? 'enUS' : 'zhCN' },
      countries: computed(() => [t('usa'), t('china')])
    }
  }
}
</script>

useI18n 属于 composition API,只能在 setup 上下文中执行。如果要在非 setup 环境下进行多语言转换,可以导出 i18n 实例对象,并直接调用实例上的 t 方法:

// i18n.js
import { createI18n } from '@yangss/vue3-i18n'
const { install, i18n } = createI18n({
  locale: 'zhCN',
  fallbackLocale: 'zhCN',
  messages: {
    'zhCN': {
      hello: '你好',
      usa: '美国',
      china: '中国',
    },
    'enUS': {
      hello: 'Hello',
      usa: 'America',
      china: 'China',
    }
  }
})
export default install
export const t = i18n.t

// main.js
// 注册 composition API
import App from './App.vue'
import { createApp } from 'vue'
import i18n from './i18n.js'
createApp(App).use(i18n) .mount('#app')

// use-in-no-setup.js
// 直接使用 t 函数
import { t } from './i18n.js'
console.log(t('hello'))