vue 请求拦截器的配置方法详解

// http request 请求拦截器，有token值则配置上token值
import axiOS from 'axios'
import Promise from 'promise'
import util from './utils';
import store from './../store/index';
const service = axios.create({
    timeout: 60000, // 请求超时时间
    headers: {
        // Authorization: Authorization,
        'Content-Type': 'application/JSON;charset=UTF-8'
    }
});
// http请求拦截器
service.interceptors.request.use(
    config => {
        let tokenExist = util.tokenExist();
        if (tokenExist) {
            // bus.$emit('toggleloading', true)//显示loading
            //如果token存在
            config.headers['Authorization'] = `Bearer ${util.getToken()}`;
        }
        // Toast.loading({
        //     message: '加载中...',
        //     duration: 0,
        //     forbidClick: true
        // });
        return config;
    },
    error => {
        Promise.reject(error);
    }
)
// http response 服务器响应拦截器，
// 这里拦截401错误，并重新跳入登页重新获取token
service.interceptors.response.use(
    response => {
        if (response.status === 200) {
            //通讯成功
            // Toast.clear();
            
            // bus.$emit('toggleloading', false)//隐藏loading
            if (response.data.state === 401) {
                //如果是token过期，跳转至登录
                Message.error("登录已过期，请重新登录！");
                store.commit('SET_TOKEN', '');
                util.GoLogin();
            } else if (response.data.state === 0) {
                // Message.error(response.data.message);
                return response.data;
            } else {
                return response.data;
            }
        }
    },
    error => {
        //请求失败
        // ;
        const response = error.response;
        if (response.status === 401) {
            // Toast.fail(response.data.message);
            Message.error("登录已过期，请重新登录！");
            util.goLogin();
        } else if (response.status === 403) {
            $router.push({
                name: '403'
            });
        } else {
            // Toast.fail(response.data.message ? response.data.message : '系统错误请联系管理员');
            // Message.error({
            //     message: '无服务，请联系管理员'
            // });
        }
        return Promise.reject(error);
    }
);
export default service;

import request from './request';
// import store from './../store/index';
const http = {
    request(config) {
        request(config);
    },
    post(url, data) {
        // if(data instanceof Object){
        // }else{
        //     data = {
        //         ...data
        //     };
        // }
        return request({
            url,
            method: 'post',
            data
        });
    },
    postFile(url, data, contentType) {
        return request({
            url,
            method: 'post',
            data,
            contentType
        });
    },
    get(url, params) {
        return request({
            url,
            method: 'get',
            params
        });
    },
    put(url, data) {
        return request({
            url,
            method: 'put',
            data
        });
    },
    delete(url) {
        return request({
            url,
            method: 'delete'
        });
    },
    download(url, params) {
        return request({
            url,
            method: 'get',
            params,
            responseType: 'blob'
        });
    },
    downloadPost(url, data) {
        return request({
            url,
            method: 'post',
            data,
            responseType: 'blob'
        });
    }
};
export default http;

import store from '../store/index';
let util = {
    //获取token
    getToken() {
        return store.getters.token;
    },
    //判断token是否存在
    tokenExist() {
        let flag;
        let token = store.getters.token;
        if (token && token !== '') {
            flag = true;
        } else {
            flag = false;
        }
        return token;
    },
}
export default util

import Vue from "vue"
import Vuex from "vuex"
import VuexPersistence from 'vuex-persist';
import db from './db'
Vue.use(Vuex)
//vuex 状态持久化
const vuexLocal = new VuexPersistence({
    storage:window.localStorage
})
const store = new Vuex.Store({
    state:{},
    mutations:{},
    actions:{},
    modules:{
        db
    },
    plugins:[vuexLocal.plugin]
})
export default store

const db = {
    state: {
        token: '',
    },
    getters:{
        token:state => state.token
    },
    mutations: {
        // 存储token
        setToken: (state, value) => {
            state.token = value
        }
    },
    actions: {}
}
export default db

import http from "../common/http"

// 测试接口
function text(params){
    return http.get("api/Test/GetList", params)
}
//登录 
 function Login(params) {
    return http.post("api/Login/Login", params)
}
// 获取图形验证码
function GetValidateCode(params) {
    return http.post("api/Login/GetValidateCode", params)
}
// 获取手机验证码 注意：需要提前人机验证后调用 否则有被恶意刷短信的风险
function GetPhoneCode(params) {
    return http.post("api/Login/GetPhoneCode", params)
}
// 注册 校验信息
function ReGISterUserVerify(params) {
    return http.post("api/Login/RegisterUserVerify", params)
}
// 注册 设置密码 注册用户信息
function RegisterUserInfo(params) {
    return http.post("api/Login/RegisterUserInfo", params)
}
// 忘记密码 验证姓名手机号
function ResetPassWordVerify(params) {
    return http.post("api/Login/ResetPasswordVerify", params)
}
// 忘记密码 密码更新
function ResetPassWord(params) {
    return http.post("api/Login/ResetPassWord", params)
}
export {
    Login,
    text,
    GetPhoneCode,
    RegisterUserVerify,
    GetValidateCode,
    ResetPasswordVerify,
    ResetPassWord,
    RegisterUserInfo
}