日時と数字の書式設定 (React)

Wijmoアプリケーションをグローバル化するには、Wijmoを読み込んだ後に適切なカルチャーファイルへの参照を含めます。日付は Globalize.formatDate 関数を使用して書式設定され、数値はGlobalize.formatNumber関数を使用して書式設定されます。このサンプルでは、これらのメソッドを使用してサポートされているカルチャのいくつかの形式を示しています。

このサンプルはReactを使用しています。

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import ReactDOM from 'react-dom/client'; import React, { useState } from 'react'; import useEvent from 'react-use-event-hook'; import * as wijmo from '@mescius/wijmo'; import * as wjInput from '@mescius/wijmo.react.input'; //cultures import "@mescius/wijmo.cultures/wijmo.culture.en"; import "@mescius/wijmo.cultures/wijmo.culture.en-GB"; import "@mescius/wijmo.cultures/wijmo.culture.es"; import "@mescius/wijmo.cultures/wijmo.culture.de"; import "@mescius/wijmo.cultures/wijmo.culture.it"; import "@mescius/wijmo.cultures/wijmo.culture.fr"; import "@mescius/wijmo.cultures/wijmo.culture.pt"; import "@mescius/wijmo.cultures/wijmo.culture.ru"; import "@mescius/wijmo.cultures/wijmo.culture.ja"; import "@mescius/wijmo.cultures/wijmo.culture.ko"; import "@mescius/wijmo.cultures/wijmo.culture.zh"; import './app.css'; const dateSamples = [ { format: 'd', description: '短い日付パターン' }, { format: 'D', description: '長い日付パターン' }, { format: 'f', description: '完全な日時パターン(短い形式)' }, { format: 'F', description: '完全な日時パターン(長い形式)' }, { format: 't', description: '短い時刻パターン' }, { format: 'T', description: '長い時刻パターン' }, { format: "'FY'EEEE'Q'U", description: '会計年度/四半期' }, { format: 'gggyy年M月d日 (ddd)', description: 'カスタム書式' } ]; const numberSamples = [ { specifier: 'n*', description: '数値' }, { specifier: 'n*,', description: '数値(千)' }, { specifier: 'n*,,', description: '数値(百万)' }, { specifier: 'f*', description: '固定小数点' }, { specifier: 'g*', description: '全般(末尾に0をつけない)' }, { specifier: 'd*', description: '10進数(整数)' }, { specifier: 'x*', description: '16進数(整数)' }, { specifier: 'c*', description: '通貨' }, { specifier: 'c*€', description: '通貨(通貨記号を指定)' }, { specifier: 'c* ', description: '通貨(通貨記号なし)' }, { specifier: 'p*', description: 'パーセント' } ]; wijmo.changeCulture("ja"); function App() { const [count, setCount] = useState(0); const [numValue, setNumValue] = useState(1234.5678); const [precision, setPrecision] = useState(2); const [selectedValue, setSelectedValue] = useState('ja'); const forceUpdate = () => setCount(count + 1); const formatDate = (format) => { return wijmo.Globalize.format(new Date(), format); }; const formatNumber = (specifier) => { let format = specifier.replace('*', precision.toString()); return wijmo.Globalize.format(numValue, format); }; const selectedCultureChanged = useEvent((sender) => { if (sender.selectedValue) { setSelectedValue(sender.selectedValue); wijmo.changeCulture(sender.selectedValue) .then(() => forceUpdate()); } }); const numberValueChanged = useEvent((sender) => { setNumValue(sender.value || numValue); }); const precisionValueChanged = useEvent((sender) => { setPrecision(sender.value || precision); }); return (<div className="container-fluid"> <wjInput.Menu header='カルチャー' value={selectedValue} itemClicked={selectedCultureChanged}> <wjInput.MenuItem value="en">English (US)</wjInput.MenuItem> <wjInput.MenuItem value="en-GB">English (UK)</wjInput.MenuItem> <wjInput.MenuItem value="es">Spanish</wjInput.MenuItem> <wjInput.MenuItem value="de">German</wjInput.MenuItem> <wjInput.MenuItem value="it">Italian</wjInput.MenuItem> <wjInput.MenuItem value="fr">French</wjInput.MenuItem> <wjInput.MenuItem value="pt">Portuguese</wjInput.MenuItem> <wjInput.MenuItem value="ru">Russian</wjInput.MenuItem> <wjInput.MenuItem value="ja">Japanese</wjInput.MenuItem> <wjInput.MenuItem value="ko">Korean</wjInput.MenuItem> <wjInput.MenuItem value="zh-CN">Chinese</wjInput.MenuItem> </wjInput.Menu> <div className="panel panel-default"> <div className="panel-heading"> <h4 className="panel-title">日付</h4> </div> <div className="panel-body"> <table className="table table-condensed"> <thead> <tr> <th>書式</th> <th>説明</th> <th>結果</th> </tr> </thead> <tbody> {dateSamples.map((item, index) => { return <tr key={index}> <td> <b>{item.format}</b> </td> <td>{item.description}</td> <td>{formatDate(item.format)}</td> </tr>; })} </tbody> </table> </div> </div> <div className="panel panel-default"> <div className="panel-heading"> <h4 className="panel-title">数値</h4> </div> <div className="panel-body input-numbers"> <div className="form-group"> <label htmlFor="theValue">値</label> <wjInput.InputNumber id="theValue" value={numValue} step={1} valueChanged={numberValueChanged}> </wjInput.InputNumber> </div> <div className="form-group"> <label htmlFor="thePrecision">精度</label> <wjInput.InputNumber id="thePrecision" step={1} min={0} max={10} value={precision} valueChanged={precisionValueChanged}> </wjInput.InputNumber> </div> </div> <div className="panel-body"> <table className="table table-condensed"> <thead> <tr> <th>指定子</th> <th>説明</th> <th className="text-right">結果</th> </tr> </thead> <tbody> {numberSamples.map((item, index) => (<tr key={index}> <td> <b>{item.specifier}</b> </td> <td>{item.description}</td> <td className="text-right">{formatNumber(item.specifier)}</td> </tr>))} </tbody> </table> </div> </div> </div>); } const container = document.getElementById('app'); if (container) { const root = ReactDOM.createRoot(container); root.render(<App />); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo Globalization/Formatting</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.40/system.src.js" integrity="sha512-G6mEj6h18+m3MvzdviSDfPle/TfH0//cXcB33AKlNR/Rha0yQsKefDZKRTkIZos97HEGq2JMV1RT5ybMoQ3WsQ==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div id="app"></div> </body> </html>
label { margin-right: 3px; }
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