AsyncrequestaxiosRedux
创始人
2024-09-21 08:30:28
0

在使用 Redux 进行异步请求时,我们通常会使用 Axios 库来发送网络请求。在 Redux Action 中使用 Axios 库发送异步请求时,需要采用 Redux Thunk 或 Redux Saga 等中间件来处理异步 Action。代码如下所示:

  1. 对于 Redux Thunk,我们可以这样写:
import axios from 'axios';

// Action Types
const FETCH_DATA_REQUEST = 'FETCH_DATA_REQUEST';
const FETCH_DATA_SUCCESS = 'FETCH_DATA_SUCCESS';
const FETCH_DATA_FAILURE = 'FETCH_DATA_FAILURE';

// Action Creators
const fetchDataRequest = () => ({ type: FETCH_DATA_REQUEST });
const fetchDataSuccess = data => ({ type: FETCH_DATA_SUCCESS, payload: data });
const fetchDataFailure = error => ({ type: FETCH_DATA_FAILURE, payload: error });

// Async Action Creator
const fetchData = () => {
  return async dispatch => {
    dispatch(fetchDataRequest());
    try {
      const response = await axios.get('url/to/api');
      dispatch(fetchDataSuccess(response.data));
    } catch (error) {
      dispatch(fetchDataFailure(error.message));
    }
  }
}

// Reducer
const initialState = {
  data: [],
  error: null,
  loading: false
};

const dataReducer = (state = initialState, action) => {
  switch (action.type) {
    case FETCH_DATA_REQUEST:
      return { ...state, loading: true };
    case FETCH_DATA_SUCCESS:
      return { ...state, loading: false, data: action.payload };
    case FETCH_DATA_FAILURE:
      return { ...state, loading: false, error: action.payload };
    default:
      return state;
  }
}

export { fetchData, dataReducer };
  1. 对于 Redux Saga,我们可以这样写:
import axios from 'axios';
import { put, call, takeLatest } from 'redux-saga/effects';

// Action Types
const FETCH_DATA_REQUEST = 'FETCH_DATA_REQUEST';
const FETCH_DATA_SUCCESS = 'FETCH_DATA_SUCCESS';
const FETCH_DATA_FAILURE = 'FETCH_DATA_FAILURE';

// Action Creators
const fetchDataRequest = () => ({ type: FETCH_DATA_REQUEST });
const fetchDataSuccess = data => ({ type: FETCH_DATA_SUCCESS, payload: data });
const fetchDataFailure = error => ({ type: FETCH_DATA_FAILURE, payload: error });

// Sagas
function* fetchDataSaga() {
  yield put(fetchDataRequest());
  try {
    const response = yield call(axios.get, 'url/to/api');
    yield put(fetchDataSuccess(response.data));
  } catch (error) {
    yield put(fetchDataFailure(error.message));
  }
}

function* watchFetchData() {
  yield takeLatest(FETCH_DATA_REQUEST, fetchDataSaga

相关内容

热门资讯

透视教学!aapoker破解侠... 透视教学!aapoker破解侠是真的吗(透视)aa poker透视软件,详细教程(有挂插件)aapo...
透视安卓版!aapoker怎么... 透视安卓版!aapoker怎么设置抽水(透视)aapoker怎么开辅助器,黑科技教程(有挂详情)进入...
透视规律!aapoker怎么选... 透视规律!aapoker怎么选牌(透视)aa poker透视软件,曝光教程(有挂攻略)进入游戏-大厅...
透视数据!aapoker透视插... 透视数据!aapoker透视插件(透视)aa poker透视软件,解密教程(有挂工具)1、aa po...
透视游戏!aapoker辅助插... 透视游戏!aapoker辅助插件工具(透视)aapoker公共底牌,玩家教你(有挂方法)1、许多玩家...
透视存在!aapoker怎么设... 透视存在!aapoker怎么设置抽水(透视)aapoker破解侠是真的吗,wpk教程(有挂介绍);进...
透视新版!aapoker破解侠... 透视新版!aapoker破解侠是真的吗(透视)aapoker能控制牌吗,扑克教程(有挂细节);进入游...
透视app!aa poker透... 透视app!aa poker透视软件(透视)aapoker怎么选牌,安装教程(有挂辅助);1、aa ...
透视讲解!aapoker真的假... 透视讲解!aapoker真的假的(透视)aapoker插件,揭秘攻略(有挂黑科技)1、aapoker...
透视透视!aapoker辅助插... 透视透视!aapoker辅助插件工具(透视)aapoker怎么开辅助器,AA德州教程(有挂技巧)1、...