用Vue简单开发一个学习界面

文章目录

  • 一.首先创建我们的Vue文件夹
  • 二.源代码
    • BodyDemo
    • HearderDemo
    • HomeDemo
    • MarkdownDemo
    • FileManager.js
    • Main.js(注意绑定)
    • APP源代码
  • 效果图(按钮功能)
  • 新增二级菜单(v-for)
  • 需要的可以私信

一.首先创建我们的Vue文件夹

我们分为三个专题,并且创建4个vue文件,还有以下js
用Vue简单开发一个学习界面_第1张图片

二.源代码

BodyDemo

<template>
    <el-container style="height: 100%;">
        
        <el-aside width="200px" style="background-color: #f1f1f1;">
            <div>div>
            <el-menu
            mode="vertical"
            background-color="#f1f1f1"
            text-color="#777777"
            active-text-color="#000000"
            :default-active="0"
            @select="selectItem"
            >
                <el-menu-item
                v-for="item in items"
                :index="item.index"
                :key="item.index"
                >
                    <div id="text">{{ item.title }}div>
                el-menu-item>
            el-menu>
        el-aside>
        
        <el-main>
            <Markdown :content="content">Markdown>
        el-main>
    el-container>
template>

<script>
import Markdown from './MarkdownDemo.vue';
import FileManager from '../tools/FileManager.js'

export default{
    mounted(){
        FileManager.getPostContent(this.topic,this.items[this.currentIndex].title).then((res)=>{
            this.content=res.data;
        })
    },
    props:["items","topic"],
    data(){
        return{
            currentIndex:0,
            content:""
        }
    },
    components:{
        Markdown:Markdown,
    },
    methods:{
        selectItem(index){
            this.currentIndex=index
        }
    },
    watch:{
        currentIndex:function(val){
            FileManager.getPostContent(this.topic,this.items[val].title).then((res)=>{
                this.content=res.data;
            })
        },
        topic:function(val){
            FileManager.getPostContent(val,this.items[this.currentIndex].title).then((res)=>{
                this.content=res.data;
            })
        }
    }
}
script>

<style scoped>
.el-menu-item.is-active{
    background-color: #ffffff !important;
}
style>

HearderDemo

<template>
    <el-container style="margin: 0; padding: 0;">
        <el-header style="margin: 0; padding: 0;">
            <div id="title">Vue学习笔记div>
        el-header>
        <el-main style="margin: 0; padding: 0;">
            <el-menu
            mode="horizontal"
            background-color="#e8e7e3"
            text-color="#777777"
            active-text-color="#000000"
            :default-active="0"
            @select="selectItem"
            >
                <el-menu-item
                v-for="item in items" 
                :index="item.index"
                :key="item.index"
                >
                    <div id="text">{{ item.title }}div>
                el-menu-item>
            el-menu>
        el-main>
    el-container>
template>

<script>
export default{
    props:["items"],
    methods:{
        selectItem(index){
            this.$emit('selected',index)
        }
    }
}
script>

<style scoped>
#title{
    color: brown;
    font-size: 40px;
    font-weight: bold;
    font-family: Georgia, 'Times New Roman', Times, serif;
}
#text{
    font-size: 20px;
}
style>

HomeDemo

<template>
    <el-container id="container">
        <el-header style="width: 100%" height="120px">
            <Header :items="navItems" v-on:selected="changeSelected">Header>
        el-header>
        <el-main>
            <Body :items="bodyItems" :topic="navItems[currentTopicIndex].title">Body>
        el-main>
        <el-footer>
            <div id="footer">{{ desc }}div>
        el-footer>
    el-container>
template>

<script>
import Header from './HeaderDemo.vue';
import Body from './BodyDemo.vue';
import FM from '../tools/FileManager.js'

export default{
    components:{
        Header:Header,
        Body:Body,
    },
    data(){
        return{
            navItems:FM.getAllTopic().map((item,ind)=>{
                return{
                    index:ind,
                    title:item
                }
            }),
            desc:"版权所有,仅限学习使用,禁止传播!",
            currentTopicIndex:0,
        };
    },
    methods:{
        changeSelected(index){
            this.currentTopicIndex=index
        }
    },
    computed:{
        bodyItems(){
            return FM.getPosts(this.currentTopicIndex).map((item,ind)=>{
                return{
                    index:ind,
                    title:item
                }
            })
        }
    }
}
script>

<style scoped>
#container{
    margin-left: 150px;
    margin-right: 150px;
    margin-top: 30px;
    height: 800px;
}
#footer{
    text-align: center;
    background-color: bisque;
    height: 40px;
    line-height: 40px;
    color: #717171;
}
style>

MarkdownDemo

<template>
    <p v-html="data">p>
template>

<script>
import marked from 'marked';

export default{
    props:["content"],
    computed:{
        data(){
            return marked(this.content);
        }
    }
}
script>


FileManager.js

import axios from 'axios';
const FileManager={
    path:process.env.BASE_URL+"post/", //项目public文件夹下的post文件夹路径
    // 获取所有的主题栏目,后续增加可以继续配置
    getAllTopic:function(){
        return[
            "HTML专题",
            "JavaScript专题",
            "Vue v-for"
        ]
    },
    // 获取 某个主题下的所有文章,后续增加可以继续配置
    getPosts:function(topic){
        switch(topic){
            case 0:
                return["文本标签","HTML基础元素"];
            case 1:
                return["方法与属性","语句与数据类型","about_js"]
            case 2:
                return["v-for"]
        }
    },
    // 获取某个文章的详细内容
    getPostContent:function(topicName,postName){
        let url=this.path+topicName+'/'+postName+'.md';
        return new Promise((res,rej)=>{
            axios.get(url).then((response)=>{
                res(response)
            },rej)
        })
    }
}

export default FileManager

Main.js(注意绑定)

import { createApp } from 'vue'
import VueAxios from 'vue-axios'
import axios from 'axios'
import ElementPlus from 'element-plus'
import 'element-plus/dist/index.css'
import * as ElementPlusIconsVue from '@element-plus/icons-vue'
import App from './App.vue'


const app = createApp(App)
for (const [key, component] of Object.entries(ElementPlusIconsVue)) {
    app.component(key, component)
  }
app.use(VueAxios,axios)
app.use(ElementPlus)
app.mount('#app')



APP源代码

<template>
    <Home>Home>
template>

<script>
import Home from "./components/HomeDemo.vue";

export default{
    name:"App",
    components:{
        Home:Home,
    },
}
script>

效果图(按钮功能)

用Vue简单开发一个学习界面_第2张图片

新增二级菜单(v-for)

用Vue简单开发一个学习界面_第3张图片

需要的可以私信

在这里插入图片描述

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