,可以通过以下步骤实现:
// reducer.js
const initialState = {
object: {
property1: 'value1',
property2: 'value2',
// ...
}
};
const reducer = (state = initialState, action) => {
switch (action.type) {
case 'UPDATE_PROPERTY':
return {
...state,
object: {
...state.object,
[action.property]: action.value
}
};
default:
return state;
}
};
export default reducer;
// actions.js
export const updateProperty = (property, value) => {
return {
type: 'UPDATE_PROPERTY',
property,
value
};
};
// YourComponent.js
import React from 'react';
import { connect } from 'react-redux';
import { updateProperty } from './actions';
const YourComponent = ({ object, updateProperty }) => {
const handlePropertyChange = (e) => {
const { name, value } = e.target;
updateProperty(name, value);
};
return (
<div>
<input type="text" name="property1" value={object.property1} onChange={handlePropertyChange} />
<input type="text" name="property2" value={object.property2} onChange={handlePropertyChange} />
{/* ... */}
</div>
);
};
const mapStateToProps = (state) => {
return {
object: state.object
};
};
const mapDispatchToProps = {
updateProperty
};
export default connect(mapStateToProps, mapDispatchToProps)(YourComponent);
// store.js
import { createStore, combineReducers } from 'redux';
import reducer from './reducer';
const rootReducer = combineReducers({
object: reducer
});
const store = createStore(rootReducer);
export default store;
// index.js
import React from 'react';
import ReactDOM from 'react-dom';
import { Provider } from 'react-redux';
import store from './store';
import YourComponent from './YourComponent';
ReactDOM.render(
<Provider store={store}>
<YourComponent />
</Provider>,
document.getElementById('root')
);
这样,当你在组件中修改对象的属性时,Redux会自动更新状态,并重新渲染组件。只有当对象的一个属性发生更改时,Redux才会更新该属性,而不会重新更新整个对象。
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请注意,以上答案仅供参考,具体实现方式可能因项目需求和技术栈而有所不同。
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