vue3+axios封装拦截器方式

 yarn add axios
 npm install axios

import axios from "axios";
import {useCommonStore} from "../store/module/common.js";
import {storeToRefs} from "pinia";

// 设置接口超时时间
axios.defaults.timeout = 60000;
// 请求地址
axios.defaults.baseURL = '';

// http request 拦截器
axios.interceptors.request.use(
    config =>{
        // 获取token
        const  commonStore = useCommonStore()
        const { token } = storeToRefs( commonStore )
        console.log('token',token.value)
        // 配置请求头
        config.headers = {
            // 'Content-Type':'application/x-www-form-urlencoded',   // 传参方式表单
            'Content-Type': 'application/json;charset=UTF-8', // 传参方式json
            'Authorization': `Bearer ${token.value}`, // 设置Authorization
            // 'token': token.value // 或者设置token

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

// http response 拦截器
axios.interceptors.response.use(
    response => {
        return response;
    },
    error => {
        const { response } = error;
        if (response) {
            // 判断错误状态码
            if (response.status === 400) {
                // 请求400
            } else if (response.status === 401) {
                // 未授权，请重新登录
            } else if (response.status === 403) {
                // 拒绝访问(403)
            }
            return Promise.reject(response.data);
        } else {
            console.log('网络连接异常,请稍后再试!')
        }
    }
)

// 封装 get post 请求
export function request (url,params = {},type = 'POST') {
    return new Promise((resolve,reject) => {
        let promise
        if (type.toUpperCase() === 'GET') {
            promise = axios({url,params})
        } else if (type.toUpperCase() === 'POST') {
            promise = axios({
                method: 'POST',
                url,
                data: params
            })
        }

        promise.then( res => {
            resolve(res)
        }).catch (err => {
            reject(err)
        })
    })
}

// 引入 request
import { request } from "./axios.js"

// 模块化接口
export class UserApi {
    static async login(params) {
        return request('/login',params,'post')
    }
    static async register(params) {
        return request('/register',params,'post')
    }
    static async getUserInfo(params) {
        return request('/userInfo',params,'get')
    }
}

export class BookApi {
    static async getBookList(params) {
        return request('/bookList',params,'get')
    }
}

<script setup>
import {UserApi} from "../api/api.js";
const login = async () => {
  const params = {
    username: 'admin',
    password: '123456',
  }
  const res = await UserApi.login(params)
}
</script>

import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import path from "path";

// https://vitejs.dev/config/
export default defineConfig({
  plugins: [vue()],
  server: {
    host: '127.0.0.1',
    port: 3000,
    proxy: {
      '/api': {
        target: '', // 实际请求地址
        changeOrigin: true,
        rewrite: (path) => path.replace(/^\/api/, '')
      }
    }
  },
}