import axios from "axios";
import { Message } from "element-ui";

// 創(chuàng)建一個axios實例
const axiosService = axios.create({
 baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
 timeout: 5000 // 設(shè)置超時時間為5s
});

// request攔截器 ==> 對請求參數(shù)進(jìn)行處理
axiosService.interceptors.request.use(
 config => {
 // 可以在發(fā)送請求之前做些事情
 // 比如請求參數(shù)的處理、在headers中攜帶token等等
 return config;
 }, error => {
 // 處理請求錯誤
 console.log(error); // for debug
 Promise.reject(error);
 }
);

// respone攔截器 ==> 對響應(yīng)做處理
axiosService.interceptors.response.use(
 response => {
 const res = response.data;
 // 如果自定義的返回碼不等于200, 就返回一個錯誤
 if (res.code !== 200) {
  return Promise.reject(new Error(res.message || "Error"))
 } else {
  return res;
 }
 }, error => {
 // 判斷error的status代碼，并將對應(yīng)的信息告知用戶
 let text = "";
 let err = JSON.parse(JSON.stringify(error));
 if (err.response.status) {
  switch (error.response.status) {
  case 400:
   text = "請求錯誤(400)，請重新申請";
   break;
  case 401:
   text = "登錄錯誤(401)，請重新登錄";
   return this.$router.replace("/login");
  case 403:
   text = "拒絕訪問(403)";
   break;
  case 404:
   text = "請求出錯(404)";
   break;
  case 408:
   text = "請求超時(408)";
   break;
  case 500:
   text = "服務(wù)器錯誤(500)，請重啟軟件或切換功能頁！";
   break;
  case 501:
   text = "服務(wù)未實現(xiàn)(501)";
   break;
  case 502:
   text = "網(wǎng)絡(luò)錯誤(502)";
   break;
  case 503:
   text = "服務(wù)不可用(503)";
   break;
  case 504:
   text = "網(wǎng)絡(luò)超時(504)";
   break;
  case 505:
   text = "HTTP版本不受支持(505)";
   break;
  default:
   text = "網(wǎng)絡(luò)連接出錯";
  }
 } else {
  text = "連接服務(wù)器失敗,請退出重試!";
 }
 Message({
  showClose: true,
  message: text,
  type: "error"
 });
 return Promise.reject(error);
 }
);

// 將寫好的axios實例暴露出去
export default axiosService;

import axiosService from "./axios-request"; // 從axios-request.js內(nèi)引入axiosService

// 下面是POST形式
export const userLogin = data => {
 return axiosService({
 url: "/xxxx/user/xxxx", // 根據(jù)實際接口地址來寫
 method: "post",
 data
 });
};

// 下面是GET形式
export const userInfo = params => {
 return axiosService({
 url: "/xxxx/user/xxxx", // 根據(jù)實際接口地址來寫
 method: "get",
 params
 });
};

<script>
import {userLogin} from "@/axios/axios-api"; // 引入登錄接口函數(shù)

export default {
 name: "login",
 components: {},
 methods: {
 async login() {
  let username = this.username;
  let password = this.password;
  let params = {
  username: username,
  password: password
  };
  if (!username || !password) {
  alert("賬號或密碼不能為空");
  } else {
  if (username.length < 51 && password.length < 51) {
   let res = await userLogin(params);
   console.log(res);
  } else {
   alert("賬號或密碼輸入字符不能超過50位");
  }
  }
 }
 }
};
</script>