[vue3后台管理二]vue3下载安装element plus

一、vue3下载安装element plus

cnpm install element plus

二：修改main.js

import { createApp } from "vue";
import App from "./App.vue";
import ElementPlus from "element-plus";
// 统一导入el-icon图标
import "element-plus/dist/index.css";
import * as ElementPlusIconsVue from "@element-plus/icons-vue";

const app = createApp(App);
for (const [key, component] of Object.entries(ElementPlusIconsVue)) {
  app.component(key, component);
}

app.use(ElementPlus);
app.mount("#app");

三:修改vite.config.js

import { fileURLToPath, URL } from "node:url";
import { defineConfig } from "vite";
import vue from "@vitejs/plugin-vue";

import AutoImport from 'unplugin-auto-import/vite';
import Components from 'unplugin-vue-components/vite';
import { ElementPlusResolver } from 'unplugin-vue-components/resolvers';

export default defineConfig({
  plugins: [
    vue(),
    AutoImport({
      resolvers: [ElementPlusResolver()],
    }),
    Components({
      resolvers: [ElementPlusResolver()],
    }),
  ],

  resolve: {
    alias: {
      "@": fileURLToPath(new URL("./src", import.meta.url)),
    },
  },

  server: {
    port: 8080,
  },
});

四: 修改App.vue

<script setup>
import { ElButton } from 'element-plus'
</script>

<template>
  <div class="mb-4">
    <el-button type="primary">Primary</el-button>
  </div>


</template>

<style scoped></style>

五:启动