我使用以下堆栈:

“依赖关系”:{
    “ preact”:“ ^ 8.2.1”,
    “ preact-compat”:“ ^ 3.17.0”,
    “ preact-redux”:“ ^ 2.0.3”,
    “ preact-router”:“ ^ 2.5.5”,
    “ redux”:“ ^ 3.7.2”
  }

preact-cli结合使用。然后当我想渲染以下应用程序时:

import { h, Component } from 'preact'
import { Router } from 'preact-router'
import { Provider } from 'preact-redux'
import store from '../store'

import Header from './header'
import Home from '../routes/home'
import Profile from '../routes/profile'
import Login from '../routes/login'

export default class App extends Component {
  /** Gets fired when the route changes.
   *  @param {Object} event   "change" event from [preact-router](http://git.io/preact-router)
   *  @param {string} event.url The newly routed URL
   */
  handleRoute = e => {
    this.currentUrl = e.url
  };

  render() {
    return (
      <div id="app">
        <Provider store={store}>
          <Header />
          <Router onChange={this.handleRoute}>
            <Home path="/" />
            <Login path="/login" />
            <Profile path="/profile" user="me" />
            <Profile path="/profile/:user" />
          </Router>
        </Provider>
      </div>
    )
  }
}


那么仅呈现Header组件,但忽略路由。你知道为什么会这样吗?当我删除Provider组件时,它工作正常。谁能帮助我找到这种不良行为的原因?

为了完整性:

reducers / index.js

import { combineReducers } from 'redux'

import authReducer from './auth'

const rootReducer = combineReducers({
  auth: authReducer
})

export default rootReducer


reducers / auth.js

import * as consts from '../constants/auth'

const initialState = {}

const reducer = (state = initialState, action) => {
  switch (action.type) {
    case consts.LOGIN_PROCESSING:
      return {
        ...state,
        isLoginProcessing: true,
        isLoginSuccess: true,
        loginError: null
      }

    case consts.LOGIN_FAILURE:
      return {
        ...state,
        isLoginProcessing: false,
        isLoginSuccess: false,
        loginError: action.payload.error
      }

    case consts.LOGIN_SUCCESS:
      return {
        ...state,
        user: action.payload.user,
        isLoginProcessing: false,
        isLoginSuccess: true,
        loginError: null
      }

    case consts.REGISTER_PROCESSING:
      return {
        ...state,
        isRegisterProcessing: true,
        isRegisterSuccess: true,
        registerError: null
      }

    case consts.REGISTER_FAILURE:
      return {
        ...state,
        isRegisterProcessing: false,
        isRegisterSuccess: false,
        registerError: action.payload.error
      }

    case consts.REGISTER_SUCCESS:
      return {
        ...state,
        user: action.payload.user,
        isRegisterProcessing: false,
        isRegisterSuccess: true,
        registerError: null
      }

    case consts.LOGOUT_PROCESSING:
      return {
        ...state,
        isLogoutProcessing: true,
        isLogoutSuccess: true,
        logoutError: null
      }

    case consts.LOGOUT_FAILURE:
      return {
        ...state,
        isLogoutProcessing: false,
        isLogoutSuccess: false,
        logoutError: action.payload.error
      }

    case consts.LOGOUT_SUCCESS:
      return {
        ...state,
        user: null,
        isLogoutProcessing: false,
        isLogoutSuccess: true,
        logoutError: null
      }
    default:
      return state
  }
}

export default reducer

最佳答案

我现在自己解决了。解决方案非常简单。您只需要添加一个根组件作为redux提供者的子代即可:

<Provider store={store}>
  <div> // <-- adding this root element is the solution
    <Header />
    <Router onChange={this.handleRoute}>
      <Home path="/" />
    </Router>
  </div>
</Provider>

09-16 12:54