deviceManager/src/utils/request.js

import axios from 'axios'
import { Notification, MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
import errorCode from '@/utils/errorCode'
axios.defaults.headers['Content-Type'] = 'application/json;multipart/form-data;charset=utf-8'
    // 创建axios实例
const service = axios.create({
        // axios中请求配置有baseURL选项，表示请求URL公共部分
        baseURL: process.env.VUE_APP_BASE_API,
        // 超时
        timeout: 10000
    })
    // request拦截器
service.interceptors.request.use(config => {
    // 是否需要设置 token
    const isToken = (config.headers || {}).isToken === false
    if (getToken() && !isToken) {
        config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
    }
    // 导出请求blob类型或设置其他类型
    if (config.responseType) {
        config.responseType = config.responseType
    }
    // get请求映射params参数
    if (config.method === 'get' && config.params) {
        let url = config.url + '?';
        for (const propName of Object.keys(config.params)) {
            const value = config.params[propName];
            var part = encodeURIComponent(propName) + "=";
            if (value !== null && typeof(value) !== "undefined") {
                if (typeof value === 'object') {
                    for (const key of Object.keys(value)) {
                        let params = propName + '[' + key + ']';
                        var subPart = encodeURIComponent(params) + "=";
                        url += subPart + encodeURIComponent(value[key]) + "&";
                    }
                } else {
                    url += part + encodeURIComponent(value) + "&";
                }
            }
        }
        url = url.slice(0, -1);
        config.params = {};
        config.url = url;

    }
    return config
}, error => {
    Promise.reject(error)
})

// 响应拦截器
service.interceptors.response.use(res => {
        // 未设置状态码则默认成功状态
        const code = res.data.status;
        // 获取错误信息
        const msg = errorCode[code] || res.data.msg || errorCode['default']
        if (code == "SUCCESS") {
            return res.headers['content-type'].indexOf("application/vnd.ms-excel") != -1 ? res : res.data
        } else {
            if (res.data.code == "401") {
                MessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', {
                    confirmButtonText: '重新登录',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).then(() => {
                    store.dispatch('LogOut').then(() => {
                        location.href = '/dmweb/#/';
                    })
                }).catch(() => {});
                // return Promise.reject()
                // return msg && Promise.reject(new Error(msg)) || ""
            } else if (res.data.code === 500) {
                Message({
                    message: msg,
                    type: 'error'
                })
                return msg && Promise.reject(new Error(msg)) || ""
            } else if (res.data.code !== 200) {
                Notification.error({
                    title: msg
                })
                return Promise.reject('error')
            } else {

            }
        }
    },
    error => {
        let msg = error.response.data.msg
            // let { message } = error;
            // if (message == "Network Error") {
            //     message = "后端接口连接异常";
            // } else if (message.includes("timeout")) {
            //     if (localStorage.getItem("timeout") == "大于10s") {
            //         localStorage.removeItem("timeout")
            //         return
            //     } else {
            //         message = "系统接口请求超时";
            //     }
            // } else if (message.includes("Request failed with status code")) {
            //     message = "系统接口" + message.substr(message.length - 3) + "异常";
            // }
        Message({
            message: msg,
            type: 'error',
            // duration: 5 * 1000
        })
        return Promise.reject(error)
    }
)
export default service