antd+dva

request.js

import fetch from 'dva/fetch';
import { notification, message } from 'antd';
import { routerRedux } from 'dva/router';
import store from '../index';

const codeMessage = {
    200: '服务器成功返回请求的数据。',
    201: '新建或修改数据成功。',
    202: '一个请求已经进入后台排队（异步任务）。',
    204: '删除数据成功。',
    400: '发出的请求有错误，服务器没有进行新建或修改数据的操作。',
    401: '用户没有权限（令牌、用户名、密码错误）。',
    403: '用户得到授权，但是访问是被禁止的。',
    404: '发出的请求针对的是不存在的记录，服务器没有进行操作。',
    406: '请求的格式不可得。',
    410: '请求的资源被永久删除，且不会再得到的。',
    422: '当创建一个对象时，发生一个验证错误。',
    500: '服务器发生错误，请检查服务器。',
    502: '网关错误。',
    503: '服务不可用，服务器暂时过载或维护。',
    504: '网关超时。',
};
function checkStatus(response) {
    if (response.status >= 200 && response.status < 300) {
        return response;
    }
    const errortext = codeMessage[response.status] || response.statusText;
    notification.error({
        message: `请求错误 ${response.status}: ${response.url}`,
        description: errortext,
    });
    const error = new Error(errortext);
    error.name = response.status;
    error.response = response;
    throw error;
}

/**
 * Requests a URL, returning a promise.
 *
 * @param  {string} url       The URL we want to request
 * @param  {object} [options] The options we want to pass to "fetch"
 * @return {object}           An object containing either "data" or "err"
 */
export default function request(url, options) {
    // const defaultOptions = {
    //     credentials: 'include',
    // };
    // const newOptions = { ...defaultOptions, ...options };
    const newOptions = { ...options };
    if (newOptions.method === 'POST' || newOptions.method === 'PUT') {
        if (!(newOptions.body instanceof FormData)) {
            newOptions.headers = {
                Accept: 'application/json',
                'Content-Type': 'application/json; charset=utf-8',
                ...newOptions.headers,
            };
            newOptions.body = JSON.stringify(newOptions.body);
        } else {
            // newOptions.body is FormData
            newOptions.headers = {
                Accept: 'application/json',
                ...newOptions.headers,
            };
        }
    }

    return fetch(url, newOptions)
        .then(checkStatus)
        .then(response => {
            if (newOptions.method === 'DELETE' || response.status === 204) {
                return response.text();
            }
            return response.json();
        })
        .then(json => {
            if (json.code === 100011) {
                const { dispatch } = store;
                message.error(json.message);
                setTimeout(() => {
                    dispatch(routerRedux.push('/user/login'));
                }, 1000);
                return json;
            }
            return json;
        })
        .catch(e => {
            const { dispatch } = store;
            const status = e.name;
            if (status === 403) {
                dispatch(routerRedux.push('/exception/403'));
                return;
            }
            if (status <= 504 && status >= 500) {
                dispatch(routerRedux.push('/exception/500'));
                return;
            }
            if (status >= 404 && status < 422) {
                dispatch(routerRedux.push('/exception/404'));
            }
        });
}