proginn-frontend/plugins/nuxtAxios.js

import Vue from 'vue';
import qs from 'qs';

export default function ({ $axios, redirect, req, ...args }) {
    $axios.onRequest(config => {
        const contentType = config.headers['Content-Type'];
        const isUpload =  contentType === 'multipart/form-data' || contentType === 'application/json';
        if (!isUpload) {
            config.headers['Content-Type'] = 'application/x-www-form-urlencoded';
        }
        console.log('Before, making request to ', config.url, config.baseURL)
        const referer = config.headers.host || (config.headers.common && config.headers.common.referer);
        const baseUrl = /https?/.test(referer) ? referer : 'https://' + referer;
        const url = config.url;
        // if (referer && !(/https?/.test(url))) {
        if (typeof window === 'undefined') {
            // server http
            config.url = baseUrl + url;
            config.baseURL = baseUrl;
        } else {
            // client http
            config.url = /https?/.test(url) ? `/${url.split('/').slice(3).join('/')}` : url;
            config.baseURL = '';
        }
        // stringify post data
        if (config.method === 'post' && !isUpload) {
            const data = config.data;
            console.log(data)
            if (typeof data != "string") {
                // const cookie = config.headers.cookie || config.headers.common.cookie || '';
                let urlParams = [];
                for(const key in data) {
                    if(data.hasOwnProperty(key)) {
                    const element = encodeURIComponent(data[key])
                    urlParams.push(`${key}=${element}`)
                    }
                }
                config.data = urlParams.join('&');
            }
        }
        console.log('After, making request to ', config.url, config.baseURL)
        return config;
    })

    $axios.onResponse(res => {

        const data = res.data;
        // 不跳转到login的页面reg list
        const excludePath = ['/user/register', '/cert/type/:id', '/type/vip/', '/cert/', '/user/:id'];
        const includePath = ['/user/register', '/cert/type/:id', '/type/vip/', '/cert/', '/user/:id'];
        const needLogin = path => {
            let result = false;
            excludePath.forEach(reg => {
                reg = reg.replace(/:id/, '');
                if (RegExp(reg).test(path)) {
                    result = false;
                }
            })
            return result;
        }
        // req && req.url && needLogin(req.url)
        if(data.status === 1 || data.filename) {
        } else if(data.status === -99) {
            console.log(req && req.url)
            // if (req && req.url && needLogin(req.url)) {
            //     redirect('/?loginbox=show');
            // }
            // return {code: '401', message: '请登录！'};
        } else {
            Vue.prototype.$message.error(data.info);
            // return data;
        }
        return res;
    })
    $axios.onError(error => {
        console.log('err', error);
    //   const code = parseInt(error.response && error.response.status)
    //   if (code === 400) {
    //     redirect('/400')
    //   }
    })
}