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x-forend/src/locale/index.ts
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2024-12-26 16:41:17 +08:00

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import { createI18n } from 'vue-i18n'
import en from './en.json'
import zhHans from './zh-Hans.json' // 简体中文
const messages = {
en,
'zh-Hans': zhHans, // key 不能乱写,查看截图 screenshots/i18n.png
}
const i18n = createI18n({
locale: uni.getLocale(), // 获取已设置的语言,fallback 语言需要再 manifest.config.ts 中设置
messages,
allowComposition: true,
})
console.log(uni.getLocale())
console.log(i18n.global.locale)
/**
* 可以拿到原始的语言模板,非 vue 文件使用这个方法,
* @param { string } key 多语言的keyeg: "app.name"
* @returns {string} 返回原始的多语言模板,eg: "{heavy}KG"
*/
export const getTemplateByKey = (key: string) => {
if (!key) {
console.error(`[i18n] Function getTemplateByKey(), key param is required`)
return ''
}
const locale = uni.getLocale()
console.log('locale:', locale)
const message = messages[locale] // 拿到某个多语言的所有模板(是一个对象)
if (Object.keys(message).includes(key)) {
return message[key]
}
try {
const keyList = key.split('.')
return keyList.reduce((pre, cur) => {
return pre[cur]
}, message)
} catch (error) {
console.error(`[i18n] Function getTemplateByKey(), key param ${key} is not existed.`)
return ''
}
}
/**
* formatI18n('我是{name},身高{detail.height},体重{detail.weight}',{name:'张三',detail:{height:178,weight:'75kg'}})
* 暂不支持数组
* @param template 多语言模板字符串,eg: `我是{name}`
* @param {Object|undefined} data 需要传递的数据对象,里面的key与多语言字符串对应,eg: `{name:'菲鸽'}`
* @returns
*/
function formatI18n(template: string, data?: any) {
return template.replace(/\{([^}]+)\}/g, function (match, key: string) {
// console.log( match, key) // => { detail.height } detail.height
const arr = key.trim().split('.')
let result = data
while (arr.length) {
const first = arr.shift()
result = result[first]
}
return result
})
}
/**
* t('introduction',{name:'张三',detail:{height:178,weight:'75kg'}})
* => formatI18n('我是{name},身高{detail.height},体重{detail.weight}',{name:'张三',detail:{height:178,weight:'75kg'}})
* 没有key的,可以不传 data;暂不支持数组
* @param template 多语言模板字符串,eg: `我是{name}`
* @param {Object|undefined} data 需要传递的数据对象,里面的key与多语言字符串对应,eg: `{name:'菲鸽'}`
* @returns
*/
export function t(key, data?) {
return formatI18n(getTemplateByKey(key), data)
}
export default i18n