我对React和Redux真的很陌生,我一直在关注Stephen Grider的Advanced React和Redux课程,并且我正在进行身份验证的客户端。我已经有一个令牌保存在我的本地存储中,并且一切似乎都正常,直到我刷新页面。当我登录/注册导航更改以显示注销按钮时,但如果手动刷新页面,导航会变回显示登录/注册按钮。React-Redux状态在刷新后丢失了
我真的很陌生,不知道我应该包含哪些代码片段。我将离开reducer和actions/index.js。另外this是我的git存储库的一个例子。
动作/ index.js
import axios from 'axios';
import { browserHistory } from 'react-router';
import { push } from 'react-router-redux';
import { AUTH_USER, UNAUTH_USER, AUTH_ERROR } from './types';
const API_URL = 'http://localhost:3000';
export function signinUser({ username, password }) {
return function(dispatch) {
// Submit username/password to the server
axios
.post(`${API_URL}/signin`, { username, password })
.then(response => {
// If request is good...
// - Update state o indicate user is authenticated
dispatch({ type: AUTH_USER });
// - Save the JWT token to local storage
localStorage.setItem('token', response.data.token);
// - Redirect to the route '/feature'
browserHistory.push('/feature');
})
.catch(() => {
// If request is bad...
// -Show an error to the user
dispatch(authError('Bad login info'));
});
};
}
export function signupUser({ username, email, password }) {
return function(dispatch) {
axios
.post(`${API_URL}/signup`, { username, email, password })
.then(response => {
dispatch({ type: AUTH_USER });
localStorage.setItem('token', response.data.token);
browserHistory.push('/feature');
})
.catch(response => {
// TODO
console.log(response);
dispatch(authError('There was an error'));
});
};
}
export function authError(error) {
return {
type: AUTH_ERROR,
payload: error
};
}
export function signoutUser() {
localStorage.removeItem('token');
return { type: UNAUTH_USER };
}
减速/ auth_reducer.js
import { AUTH_USER, UNAUTH_USER, AUTH_ERROR } from '../actions/types';
export default function(state = {}, action) {
switch (action.type) {
case AUTH_USER:
return { ...state, error: '', authenticated: true };
case UNAUTH_USER:
return { ...state, authenticated: false };
case AUTH_ERROR:
return { ...state, error: action.payload };
}
return state;
}
由于提前,如果你需要任何额外的代码片段只是请让我知道。
中检索数据试图执行'localStorage.getItem('token')'并在应用程序挂载后立即登录用户?因为它本身不会发生。 –
要清楚:刷新页面时,所有'state'都会丢失;任何你想保存的东西都必须手动保存和恢复。 –