vue axios 封装

import axios from "axios";

let cancel ,promiseArr = {};
const CancelToken = axios.CancelToken;

axios.interceptors.request.use(config => {
    //发起请求时，取消掉当前正在进行的相同请求
    if (promiseArr[config.url]) {
        promiseArr[config.url]('操作取消');
        promiseArr[config.url] = cancel
    } else {
        promiseArr[config.url] = cancel
    }
    return config
}, error => {
    return Promise.reject(error)
});

axios.interceptors.response.use(response => {
    return response
}, err => {
    if (err && err.response) {
        switch (err.response.status) {
            case 400:
                err.message = '错误请求';
                break;
            case 401:
                err.message = '未授权，请重新登录';
                break;
            case 403:
                err.message = '拒绝访问';
                break;
            case 404:
                err.message = '请求错误,未找到该资源';
                break;
            case 405:
                err.message = '请求方法未允许';
                break;
            case 408:
                err.message = '请求超时';
                break;
            case 500:
                err.message = '服务器端出错';
                break;
            case 501:
                err.message = '网络未实现';
                break;
            case 502:
                err.message = '网络错误';
                break;
            case 503:
                err.message = '服务不可用';
                break;
            case 504:
                err.message = '网络超时';
                break;
            case 505:
                err.message = 'http版本不支持该请求';
                break;
            default:
                err.message = `连接错误${err.response.status}`
        }
    } else {
        err.message = "连接到服务器失败"
    }
    message.err(err.message);
    return Promise.resolve(err.response)
});
axios.defaults.baseURL = 'http://huanyu.szwyll.com';
// axios.defaults.headers = {
//     'X-Requested-With': 'XMLHttpRequest'
// };
axios.defaults.timeout = 10000;

export default {
    //get请求
    get (url,param) {
        return new Promise((resolve,reject) => {
            axios({
                method: 'get',
                url,
                params: param,
                cancelToken: new CancelToken(c => {
                    cancel = c
                })
            }).then(res => {
                resolve(res)
            })
        })
    },
    //post请求
    post (url,param) {
        return new Promise((resolve,reject) => {
            axios({
                method: 'post',
                url,
                data: param,
                cancelToken: new CancelToken(c => {
                    cancel = c
                })
            }).then(res => {
                resolve(res)
            })
        })
    }
}