How to build high-performance web applications using Vue.js and Ruby

How to build high-performance web applications using Vue.js and Ruby language

With the continuous development of web applications, building high-performance applications has become more and more important. Using Vue.js and Ruby language to create web applications is a very ideal choice. Vue.js is a lightweight front-end framework, while Ruby is a simple yet powerful programming language. Combining these two technologies allows us to build high-performance web applications more efficiently.

In this article, we will discuss how to use Vue.js and Ruby language to build high-performance web applications, and provide some code examples to help you better understand.

1. Create a project

First, we need to create a new project. We can quickly create a Vue.js project by using the Vue CLI. Execute the following command in the command line to install the Vue CLI:

npm install -g @vue/cli

Then, we can create a new Vue project:

vue create project-name

Next, we have to choose which configuration to use. We can choose manual configuration to customize our project settings. In the configuration options, we have to choose to use Babel to support ES6 syntax, and also choose to use plug-ins such as Vue Router and Vuex to help us build complex web applications.

2. Create a front-end page

In our Vue.js project, we can create a front-end page to display our data. We can use Vue’s components to build different parts of the page.

First, let's create a component to display a list. Create a new folder components under the src folder, and create a new single-file component List.vue in it, with the following code:

Then, we want to use this in our App.vue file components. Add the following code to App.vue:

Finally, we need to introduce App.vue into the main.js file and mount it on a DOM element. Add the following code to main.js:

import Vue from 'vue' import App from './App.vue' new Vue({ render: h => h(App) }).$mount('#app')

Now, we have completed the creation of the front-end page. We can start the development server by running npm run serve and view our page in the browser.

3. Create a back-end API

Now we enter the Ruby language part, we need to create a simple back-end API to provide data to our front-end page.

First, we need to install Ruby on Rails. Execute the following command on the command line to install Ruby on Rails:

gem install rails

Then, we are going to create a new Rails project. Execute the following command in the command line:

rails new api

Next, we need to create an Item model and an Items controller to handle the logic related to Items. Execute the following command in the command line:

rails g model Item name:string rails g controller Items

We want to create the Item table in the database. Execute the following command on the command line:

rails db:migrate

After that, we need to define an index method in the Items controller to obtain all Item data and return it to the front end in JSON format. Add the following code to app/controllers/items_controller.rb:

class ItemsController < ApplicationController def index @items = Item.all render json: @items end end

Finally, we need to define a route in the config/routes.rb file to point to our Items controller. Add the following code to routes.rb:

Rails.application.routes.draw do resources :items end

Now, our backend API has been created. We can start the Rails server by running rails s and call the API in the browser to view the returned data.

4. Connect the front-end and back-end

Now, we need to connect the front-end page and the back-end API. We will use axios to send HTTP requests and get data.

First, we need to install axios. Execute the following command in the command line to install axios:

npm install axios

Then, we need to modify the List.vue component to get data from the backend API. Add the following code in List.vue:

At this point, we have successfully connected the front-end page and the back-end API. We can run npm run serve again to start the development server and view our app in the browser.

Conclusion

By using Vue.js and Ruby language, we can build web applications with excellent performance. Vue.js provides a flexible and powerful front-end framework, while Ruby provides a concise and efficient back-end language. We have demonstrated how to use Vue.js and Ruby language to build a high-performance web application through sample code. We hope it will be helpful to you.

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