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结合 Redux Toolkit 使用 React Spreadsheet

本教程演示如何在 Redux Toolkit store 中管理电子表格数据。

前提条件

初始化设置

创建 Vite 项目并安装依赖:

npm create vite@latest my-rtk-spreadsheet -- --template react-ts
cd my-rtk-spreadsheet
npm install @dhtmlx/trial-react-spreadsheet @reduxjs/toolkit react-redux

创建 slice

在 Redux Toolkit slice 中定义电子表格的状态结构、初始数据和 reducers。

src/store/spreadsheetSlice.ts
import { createSlice, type PayloadAction } from "@reduxjs/toolkit";
import type { SheetData } from "@dhtmlx/trial-react-spreadsheet";

interface SpreadsheetState {
sheets: SheetData[];
activeSheet: string;
}

const initialState: SpreadsheetState = {
sheets: [
{
id: "sheet1",
name: "Data",
cells: {
A1: { value: "Product", css: "bold" },
B1: { value: "Price", css: "bold", format: "currency" },
A2: { value: "Widget" },
B2: { value: 25.99, format: "currency" },
},
},
],
activeSheet: "sheet1",
};

const spreadsheetSlice = createSlice({
name: "spreadsheet",
initialState,
reducers: {
setSheets(state, action: PayloadAction<SheetData[]>) {
state.sheets = action.payload;
},
setActiveSheet(state, action: PayloadAction<string>) {
state.activeSheet = action.payload;
},
updateCell(
state,
action: PayloadAction<{ sheetId: string; cell: string; value: string | number }>
) {
const { sheetId, cell, value } = action.payload;
const sheet = state.sheets.find((s) => s.id === sheetId);
if (sheet) {
sheet.cells[cell] = { ...sheet.cells[cell], value };
}
},
},
});

export const { setSheets, setActiveSheet, updateCell } = spreadsheetSlice.actions;
export default spreadsheetSlice.reducer;

配置 store

在 Redux store 中注册 slice,并导出类型化的 RootStateAppDispatch 辅助类型。

src/store/index.ts
import { configureStore } from "@reduxjs/toolkit";
import spreadsheetReducer from "./spreadsheetSlice";

export const store = configureStore({
reducer: {
spreadsheet: spreadsheetReducer,
},
});

export type RootState = ReturnType<typeof store.getState>;
export type AppDispatch = typeof store.dispatch;

使用 provider 包裹您的应用:

src/main.tsx
import React from "react";
import ReactDOM from "react-dom/client";
import { Provider } from "react-redux";
import { store } from "./store";
import App from "./App";
import "./index.css";

ReactDOM.createRoot(document.getElementById("root")!).render(
<React.StrictMode>
<Provider store={store}>
<App />
</Provider>
</React.StrictMode>
);

创建组件

使用 useSelector 读取状态,使用 useDispatch 在每次用户操作后将变更同步回 store,从而将 ReactSpreadsheet 连接到 Redux store。

src/App.tsx
import { useRef } from "react";
import { useSelector, useDispatch } from "react-redux";
import { ReactSpreadsheet, type SpreadsheetRef } from "@dhtmlx/trial-react-spreadsheet";
import "@dhtmlx/trial-react-spreadsheet/spreadsheet.react.css";
import type { RootState } from "./store";
import { setSheets } from "./store/spreadsheetSlice";

const styles = {
bold: { "font-weight": "bold" },
};

function App() {
const ref = useRef<SpreadsheetRef>(null);
const dispatch = useDispatch();
const sheets = useSelector((state: RootState) => state.spreadsheet.sheets);
const activeSheet = useSelector((state: RootState) => state.spreadsheet.activeSheet);

const handleAfterAction = () => {
const data = ref.current?.instance?.serialize();
if (data?.sheets) {
dispatch(setSheets(data.sheets));
}
};

return (
<div style={{ width: "100%", height: "100vh" }}>
<ReactSpreadsheet
ref={ref}
sheets={sheets}
styles={styles}
activeSheet={activeSheet}
onAfterAction={handleAfterAction}
/>
</div>
);
}

export default App;

通过 ref 读取数据

使用 ref.current.instance 执行只读操作,例如序列化或获取单元格值:

const handleExport = () => {
const data = ref.current?.instance?.serialize();
// 发送到 API、下载等
};

const getCellValue = (cell: string) => {
return ref.current?.instance?.getValue(cell);
};