使用vue3.x+vite+element-ui+vue-router+vuex+axios搭建项目

# npm 安装
npm init vite@latest

# yarn 安装
yarn create vite

# 快速安装vue模板项目
yarn create vite my-vue-app --template vue

npm init vite@latest my-vue-app -- --template vue

npm run dev 

# or
yarn dev

import { createApp } from 'vue'

import ElementPlus from 'element-plus';
import 'element-plus/lib/theme-chalk/index.css';

import App from './App.vue'

const app = createApp(App)
app.use(ElementPlus)
app.mount('#app')

import { createRouter, createWebHistory } from 'vue-router'

const routes = [
  {
    path: '/demo',
    name: 'demo',
    component: () => import('../views/demo.vue')
  }
]

const router = createRouter({
  history: createWebHistory(),
  routes
})

export default router

import { createApp } from 'vue'
import ElementPlus from 'element-plus';
import 'element-plus/lib/theme-chalk/index.css';
// 引入路由配置
import router from './router/index'
import App from './App.vue'

const app = createApp(App)
app.use(ElementPlus)
// 注册
app.use(router)
app.mount('#app')

<template>
  <el-button type="primary">按钮</el-button>
  <router-view></router-view>
</template>

<script>
export default {
  name: 'app'
}
</script>

import { createStore } from "vuex";

const store = createStore({
  state () {
    return {
      app: '我是app'
    }
  },
  mutations: {

  },
  actions: {

  }
})

export default store

import { createApp } from 'vue'
import ElementPlus from 'element-plus';
import 'element-plus/lib/theme-chalk/index.css';
import router from './router/index'
// 引入文件
import store from './store/index'
import App from './App.vue'

const app = createApp(App)
app.use(ElementPlus)
app.use(router)
// 注册
app.use(store)
app.mount('#app')

import axios from 'axios'

const services = axios.create({
  baseURL: 'https://api.apiopen.top',
  timeout: 6000
})

// 请求拦截
services.interceptors.request.use(config => {
  // 在这可以添加一些请求头的逻辑,如配置token
  return config
}, error => {
  return Promise.reject(error)
})

// 响应拦截
services.interceptors.response.use(response => {
  // 在这可以根据实际后台的响应值去进行判断,如code: 0 或者登录失效跳转到登录页等
  return response.data
}, error => {
  return Promise.reject(error)
})

export default services

import request from '../utils/request'

export const send = () => {
  return request({
    url: '/getJoke',
    method: 'get',
    params: {
      page: 1,
      count: 2,
      type: 'video'
    }
  })
}

<template>
  <el-button type="primary">按钮</el-button>
  <router-view></router-view>
</template>

<script>
// 引入请求方法 
import { send } from "./api/app";
export default {
  name: "app",
  async mounted() {
    console.log("store>>>", this.$store.state.app);
    // 请求
    const res = await send()
    console.log('res>>>', res)
  },
};
</script>