问题描述
https://github.com/Kayracz/Lingui-Tutorial
我正在为应用程序的i18n试用Lingui。我根据文档和教程创建了一个语言切换器,但是我想知道应该如何设置它,以便每次在应用程序中选择一种语言时,即使在刷新时,该语言切换器仍会保留在整个应用程序中。
目前,我可以切换它和更改页面,但是每次刷新时,它都会回到英语。
这是我的文件:
index.js
import React,{ useState } from "react";
import ReactDOM from "react-dom";
import { I18nProvider } from "@lingui/react";
import { browserRouter } from "react-router-dom";
import App from "./App";
async function loadMessages(language) {
return await import(`@lingui/loader!./locales/${language}/messages.json`);
}
const LocalizedApp = () => {
const [catalogs,setCatalogs] = useState({});
const [language,setLanguage] = useState("");
async function handleLanguageChange(language) {
const newCatalog = await loadMessages(language);
const newCatalogs = { ...catalogs,[language]: newCatalog };
setCatalogs(newCatalogs);
setLanguage(language);
}
return (
<browserRouter>
<I18nProvider language={language} catalogs={catalogs}>
<App
language={language}
onLanguageChange={handleLanguageChange}
/>
</I18nProvider>
</browserRouter>
);
};
ReactDOM.render(<LocalizedApp />,document.getElementById("root"));
App.js
import React from "react";
import "./styles/App.css";
import { Switch,Route } from "react-router-dom";
import { Trans } from "@lingui/macro";
import Home from "./Home.js";
import About from "./About.js";
import Contact from "./Contact.js";
import Navigation from "./Navigation.js";
import LanguageSelector from "./LanguageSelector";
const Main = () => (
<Switch>
<Route exact path="/" component={Home}></Route>
<Route exact path="/about" component={About}></Route>
<Route exact path="/contact" component={Contact}></Route>
</Switch>
);
const App = ({ language,onLanguageChange }) => {
return (
<div className="App">
<Trans id="navigation.title">
<h1 style={{ margin: 26 }}>Playground</h1>
</Trans>
<Navigation />
<header className="App-header">
<Main />
<LanguageSelector
language={language}
onChangeLangage={onLanguageChange}
/>
</header>
</div>
);
};
export default App;
languageSelector.js
import React from "react";
const LanguageSelector = ({ language,onChangeLangage }) => {
const handleChange = (event) => {
event.preventDefault();
onChangeLangage(event.target.value);
};
return (
<div className="select">
<select onChange={handleChange} value={language}>
<option value="en">English</option>
<option value="fr">Français</option>
<option value="es">Español</option>
</select>
</div>
);
};
export default LanguageSelector;
解决方法
您可以将语言存储在{{1}}上。 LocalStorage API允许您在多次刷新页面后保持语言。这是浏览器保留值的方法。
由于localStorage
作为localStorage
对存储。您可以使用
一个键并使用相同的键来检索值。
key:value