Vue3基础安装以及配置详解

import axios from './plugins/axios' 
import { createApp } from 'vue'
import App from './App.vue'
import router from './router'
import store from './store'
 
createApp(App).use(store).use(router).use(router).use(axios).mount('#app')

"use strict";
 
import axios from "axios";
 
// Full config:  https://GitHub.com/axios/axios#request-config
// axios.defaults.baseURL = process.env.baseURL || process.env.apiUrl || '';
// axios.defaults.headers.common['Authorization'] = AUTH_TOKEN;
// axios.defaults.headers.post['Content-Type'] = 'application/x-www-fORM-urlencoded';
 
let config = {
  baseURL: '路径'
  // timeout: 60 * 1000, // Timeout
  // withCredentials: true, // Check cross-site Access-Control
};
 
const _axios = axios.create(config);
 
_axios.interceptors.request.use(
  function(config) {
    // Do something before request is sent
    return config;
  },
  function(error) {
    // Do something with request error
    return Promise.reject(error);
  }
);
 
// Add a response interceptor
_axios.interceptors.response.use(
  function(response) {
    // Do something with response data
    return response;
  },
  function(error) {
    // Do something with response error
    return Promise.reject(error);
  }
);
export default{
  install:function(app){
    app.config.globalProperties.axios = _axios;
    app.config.globalProperties.$translate = (key) =>{
      return key
    }
  }
}

export default{
  install:function(app){
    app.config.globalProperties.axios = _axios;
    app.config.globalProperties.$translate = (key) =>{
      return key
    }
  }
}

<template>
  <div class="home">
    <img alt="Vue loGo" src="../assets/logo.png">
    <HelloWorld msg="Welcome to Your vue.js App"/>
  </div>
</template>
 
<script>
import {getCurrentInstance} from 'vue'  // 引入Vue3中的getCurrentInstance
// @ is an alias to /src
import HelloWorld from '@/components/HelloWorld.vue'
 
export default {
  name: 'HomeView',
  mounted(){
    const {proxy} = getCurrentInstance();
    console.log(proxy);
    proxy.axios.get('/home/multidata').then((e)=>{
      console.log(e);
    })
  },
  components: {
    HelloWorld
  }
}
</script>

import { getCurrentInstance, onMounted } from "vue";  
setup() {
    onMounted(() => {
      const { proxy } = getCurrentInstance();
      console.log(proxy);
      proxy.axios.get("/home/multidata").then((e) => {
        console.log(e);
      });
    });
  },