redux-saga call之后数据返回为undefined

Question

// import { delay } from "redux-saga";
import { call, put, takeEvery } from "redux-saga/effects";
import { todoTypes } from "../actions/todoAction";
import Apis from "../apis";

function* fetchData(actions) {
  try {
    const data = yield call(Apis.getCategory, "");
    console.log("data=", data);

    yield put({ type: todoTypes.TEST_SAGA_SUCCESS });
  } catch (ex) {
    console.log("error=", ex);
  }
}

export default function* watchTodo() {
  yield takeEvery(todoTypes.TEST, fetchData);
}

import Request from "../../utils/request";

class Apis {
  getCategory = () => Request.get("/users");
}

export default new Apis();

import axios from "axios";
import config from "../config/base.config";
/**
 * 创建axios实例
 */
const instance = axios.create({
  baseURL: config.host
});

/**
 * axios 拦截器
 * 拦截并设置token
 */
instance.interceptors.request.use(
  config => {
    //todo:token 没有token或者token过期都要跳转到登录页面
    config.headers.Authorization = ``;
    return config;
  },
  error => {
    return Promise.reject(error);
  }
);

/**
 * Http服务类
 * get
 * post
 * delete
 * put
 * patch
 */
export default class Request {
  static get(url, params = {}) {
    return new Promise((resolve, reject) => {
      instance
        .get(url, { params: { ...params } })
        .then(({ data }) => {
          resolve(data.data);
        })
        .catch(err => {
          reject({ err: JSON.stringify(err) });
        });
    });
  }

  static delete(url, params = {}) {
    return new Promise((resolve, reject) => {
      instance
        .delete(url, { params: { ...params } })
        .then(({ data }) => {
          resolve(data.data);
        })
        .catch(err => {
          reject({ err: JSON.stringify(err) });
        });
    });
  }

  static post(url, params = {}) {
    return new Promise((resolve, reject) => {
      instance
        .post(url, { ...params })
        .then(({ data }) => {
          resolve(data);
        })
        .catch(err => {
          reject({ err: JSON.stringify(err) });
        });
    });
  }

  static put(url, params = {}) {
    return new Promise((resolve, reject) => {
      instance
        .post(url, { ...params })
        .then(({ data }) => {
          resolve(data.data);
        })
        .catch(err => {
          reject({ err: JSON.stringify(err) });
        });
    });
  }

  static patch(url, params = {}) {
    return new Promise((resolve, reject) => {
      instance
        .patch(url, { ...params })
        .then(({ data }) => {
          resolve(data.data);
        })
        .catch(err => {
          reject({ err: JSON.stringify(err) });
        });
    });
  }
}

Answer 1

解决了，是因为 我get 方法返回的时候应该是resolve(data)，我写成了resolve(data.data)，去掉这个后面的.data就成功了