How to implement WeChat-like bottom menu in Vue?

In modern web applications, the bottom menu is often used as the main entry for navigation and operations. WeChat is a popular mobile application and the design of its bottom menu has attracted widespread attention and love.

Vue is a JavaScript framework for modern web application development. It provides a simple and intuitive way to build high-quality applications with reusable components. In this article, we will introduce how to use Vue to implement a WeChat-like bottom menu.

Step one: Create a Vue project

Before we start, we need to create a Vue project first. Enter the following command on the command line:

vue create wechat-menu

and then follow the prompts to configure. Among them, select the "Manually select features" option, select "Babel" and "Router", and skip all other options. This will create a project for us with Babel support and Vue router.

Step 2: Set up the Router

Vue Router allows us to create Single Page Applications (SPA) where all page loading and rendering occurs in the same page. In our project we need to use router to define and manage different views of the bottom menu.

First, open the /src/router/index.js file, delete the default router code and replace it with the following code:

import Vue from 'vue' import VueRouter from 'vue-router' import Home from '@/views/Home.vue' import Profile from '@/views/Profile.vue' import Settings from '@/views/Settings.vue' Vue.use(VueRouter) const routes = [ { path: '/', name: 'Home', component: Home }, { path: '/profile', name: 'Profile', component: Profile }, { path: '/settings', name: 'Settings', component: Settings } ] const router = new VueRouter({ mode: 'history', base: process.env.BASE_URL, routes }) export default router

In the above code, we first import Vue and VueRouter, and Use the Vue.use() method to introduce the router. Then, three routes are defined, namely Home, Profile and Settings, and a path and a corresponding component are specified for them respectively. The / path is set to the Home path, the /profile path is the Profile path, and the /settings path is the Settings path.

Next, in the router configuration options, the mode option is used with the value 'history', which enables HTML5 mode, which allows us to use route state management without hashing the '#' URL. tool. In the base option, we configure the base URL path for the router.

Finally, we instantiate VueRouter and export it. This will allow us to use its API in other components of the application.

Step 3: Create a bottom menu component

Next, we will create a bottom menu component, which contains three buttons, corresponding to the three routes we defined.

First, we need to create a new Vue component. In the /src/components/ directory, create a file named BottomMenu.vue. Here is the initial content of the file:

In the above code, we first define a div element that contains three router-link elements that will provide route navigation. Each router-link has a to attribute, which points to the component corresponding to the routing path we defined.

Then, we set styles for the bottom-menu and bottom-menu-item classes to beautify the appearance of the bottom menu. Among them, .bottom-menu uses flex layout to set the background color, fill and box shadow of the bottom menu. The bottom-menu-item class defines the style properties of its child elements.

Step 4: Add the bottom menu component to the root component

Now that we have written the bottom bar component and set up the router, now we need to add the bottom bar component to our in the application.

First, open the /src/views/Home.vue file. Add the following code in it:

In the above code, we first imported the BottomMenu component and added it to the components property of the current component. Then, we use the BottomMenu component in the template and place it at the bottom of the page.

Next, repeat the above steps and add BottomMenu components in /src/views/Profile.vue and /src/views/Settings.vue. Then, we completed a Vue application that imitates the bottom menu of WeChat!

This is the complete step on how to use Vue to implement a WeChat-like bottom menu. Along the way, we used Vue Router to manage navigation of the different views in the bottom menu, as well as creating a new Vue component to render the menu itself. Finally, we add the bottom menu component to each view in the application to ensure it is visible on every page.

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