vue项目实战经验，相关库的安装，继续完善(vuecli项目实战)

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最近在系统学习vue3的项目实战，这里是对学习过程中的总结，包括一些库，框架的网站。

项目介绍

本项目基于Vue3 + ElementPlus + Vite实战开发商城后台管理系统，其中包括Vite的使用，Vue3全新的

node.js的搭建1.node官网下载

https://nodejs.org/zh-cn/

2.npm 淘宝镜像安装npm install -g cnpm --registry=https://registry.npm.taobao.orgcnpm -v //查看版本号vite项目搭建1.vite官网和介绍

http://www.vitejs.net/ Vite 需要 Node.js 版本 >= 12.0.0。，通过

npm init vite@latest //查看版本号2.创建vue3项目#npm 7+, 需要额外的双横线：npm init vite@latest my-vue-app -- --template vue#npm 6.xnpm init vite@latest my-vue-app --template vue

再按要求勾选相关需要， npm run dev 运行。

Element Plus UI库引入1. Element Plus网站

https://element-plus.gitee.io/zh-CN/ Element Plus 是用于vue3的element库，vue2是element-ui 注意一下

2.库安装npm install element-plus --save3.引入UI库文件

main.js文件

import { createApp } from 'vue'import './style.css'// 引入element依赖文件import ElementPlus from 'element-plus'import 'element-plus/dist/index.css'import App from './App.vue'const app = createApp(App)app.use(ElementPlus)app.mount('#app')windicss 框架1.网站

https://windicss.org/

2.安装npm i -D vite-plugin-windicss windicss3.Vite 配置中添加插件 ，和Vite 入口文件中导入

vite.config.js 文件

import vue from '@vitejs/plugin-vue'import { defineConfig } from 'vite'import WindiCSS from 'vite-plugin-windicss'// https://vitejs.dev/config/export default defineConfig({plugins: [vue(),WindiCSS()],})

main.js 文件

import { createApp } from 'vue'import './style.css'// 引入element依赖文件import ElementPlus from 'element-plus'import 'element-plus/dist/index.css'import App from './App.vue'const app = createApp(App)app.use(ElementPlus)// 引入windi.cssimport 'virtual:windi.css'app.mount('#app')vue-router 路由1.网站

https://router.vuejs.org/zh/

2.安装npm install vue-router@4全局配置

router/index.js 文件

//1. 导入vue-router相关函数import { createRouter, createWebHashHistory } from "vue-router"// 2.路由规则const routes = [{path:"路由地址",name:"路由名称",component:组件名称}]// 3.路由对象实例化const router = createRouter({history: createWebHashHistory(),routes})// 暴露导出export default router

main.js 文件

import { createApp } from 'vue'import './style.css'// 引入element依赖文件import ElementPlus from 'element-plus'import 'element-plus/dist/index.css'// 导入router配置文件import router from "./router"import App from './App.vue'const app = createApp(App)// 挂载文件app.use(ElementPlus)app.use(router)// 引入windi.cssimport 'virtual:windi.css'app.mount('#app')路径别名设置

vite.config.js 文件

import vue from '@vitejs/plugin-vue'import { defineConfig } from 'vite'import WindiCSS from 'vite-plugin-windicss'// 1.导入node的path路径模块import path from "path"// https://vitejs.dev/config/export default defineConfig({resolve: {alias: {// 配置别名"~": path.resolve(__dirname, "src")}},plugins: [vue(), WindiCSS()]})添加404页面

建好一个404页面组件，再路由index.js里

//1. 导入vue-router相关函数import { createRouter, createWebHashHistory } from "vue-router"// 导入页面组件import Home from "~/views/Home.vue"import NotFound from "~/views/Page404.vue"// 2.路由规则const routes = [{path: "/",redirect: "/home"},{path: "/home",component: Home},// 404页面设置{path: '/:pathMatch(.*)*',name: 'NotFound',component: NotFound},]// 3.路由对象实例化const router = createRouter({history: createWebHashHistory(),routes})// 暴露导出export default router登录页面布局1.创建Login.vue组件并配置路由

配置路由

//1. 导入vue-router相关函数import { createRouter, createWebHashHistory } from "vue-router"// 导入页面组件import Home from "~/views/Home.vue"import Login from "~/views/Login.vue"import NotFound from "~/views/Page404.vue"// 2.路由规则const routes = [{path: "/",redirect: "/home"},{path: "/home",name: Home,component: Home},{path: "/login",name: Login,component: Login},{path: '/:pathMatch(.*)*',name: 'NotFound',component: NotFound},]// 3.路由对象实例化const router = createRouter({history: createWebHashHistory(),routes})// 暴露导出export default router

Login.vue组件布局源代码

<!-- 视图层 --><template><el-row class="min-h-screen bg-indigo-500"><el-col :span="16" class="flex items-center justify-center"><div><div class="font-bold text-5xl text-light-50 mb-4">欢迎光临</div><div class="text-gray-200 text-sm">《vue3商城后台管理系统》</div><el-icon><Lock /></el-icon></div></el-col><el-col:span="8"class="bg-light-50 flex items-center justify-center flex-col"><h2 class="font-bold text-3xl text-gray-800">欢迎回来</h2><divclass="flex items-center justify-center my-5 text-gray-300space-x-2"><span class="h-[1px] w-16 bg-gray-200"></span><span>账号密码登录</span><span class="h-[1px] w-16 bg-gray-200"></span></div><el-form :model="form" class="w-[250px]"><el-form-item><el-input v-model="form.username" placeholder="请输入用户名"><template #prefix><el-icon><UserFilled /></el-icon></template></el-input></el-form-item><el-form-item><el-input v-model="form.password" placeholder="请输入密码"><template #prefix><el-icon><Lock /></el-icon></template></el-input></el-form-item><el-form-item><el-buttonroundcolor="#626aef"class="w-[250px]"type="primary"@click="onSubmit">登 录</el-button>></el-form-item></el-form></el-col></el-row></template><!-- 逻辑层 --><script setup>import { reactive } from "vue";// 导入icon图标// import { Lock, UserFilled } from "@element-plus/icons-vue";// do not use same name with refconst form = reactive({username: "",password: "",});const onSubmit = () => {console.log("submit!");};</script><!-- 样式层 --><style lang="" scoped></style>2.表单验证

:rules=“rules” 绑定规则 ref=“formRef” 获取el-form表单组件实例对象 prop=“username” 关联指定对象 show-password 密码显示图标—–小眼睛

<el-form :rules="rules" ref="formRef" :model="form" class="w-[250px]"><el-form-item prop="username"><el-input v-model="form.username" placeholder="请输入用户名"><template #prefix><el-icon><UserFilled /></el-icon></template></el-input></el-form-item><el-form-item prop="password"><el-inputtype="password"v-model="form.password"placeholder="请输入密码"show-password><template #prefix><el-icon><Lock /></el-icon></template></el-input></el-form-item><el-form-item><el-buttonroundcolor="#626aef"class="w-[250px]"type="primary"@click="onSubmit">登 录</el-button></el-form-item></el-form>import { reactive, ref } from "vue";const form = reactive({username: "",password: "",});// 验证规则const rules = {username: [{required: true,message: "用户名不能为空",trigger: "blur",},],password: [{required: true,message: "密码不能为空",trigger: "blur",},],};// 获取form元素节点对象const formRef = ref(null);const onSubmit = () => {formRef.value.validate((valid) => {if (!valid) {return false;}console.log("验证通过");});};2.表单前后端数据交互