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Laravel Getting Started Tutorial: Learn the Most Popular PHP Framework from Scratch

王林Original: 2023-08-13 13:21:082741browse

Laravel Getting Started Tutorial: Learn the most popular PHP framework from scratch

Introduction:
Laravel is one of the most popular PHP frameworks currently, and it is easy to get started. , powerful and has an active development community. This article will help you learn the Laravel framework from scratch and provide some example code to help you better understand and master this powerful tool.

Step One: Install Laravel
Before you begin, you need to install the Laravel framework on your computer. The easiest way is to install it through Composer. Please make sure you have Composer installed and run the following command:

composer global require laravel/installer

Once the installation is complete, you will be able to create a new Laravel project using the laravel new command. For example, to create a project named myproject, run the following command:

laravel new myproject

This will create a new Laravel project named myproject in the current directory .

Step 2: Configure the Database
Before continuing, you need to set up a database connection. Laravel uses the MySQL database by default. Open the .env file in the myproject directory and set your database connection information:

DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=your_database_name
DB_USERNAME=your_username
DB_PASSWORD=your_password

Please make sure to replace your_database_name, your_username and your_password These values are your own database information.

Step Three: Routing and Controllers
One of the core concepts of Laravel is routing and controllers. Routes are used to map URLs to corresponding controller methods. Open the myproject/routes/web.php file and add the following code:

Route::get('/', 'HomeController@index');

The above code will map the root URL (/) to HomeControllerOn the index method of the controller. Now, we need to create the HomeController controller. Open the terminal, enter the project root directory, and run the following command:

php artisan make:controller HomeController

This will create a HomeController.php file in the myproject/app/Http/Controllers directory. Open the file and add the following code:

<?php

namespace AppHttpControllers;

use IlluminateHttpRequest;

class HomeController extends Controller
{
    public function index()
    {
        return view('welcome');
    }
}

The above code returns a view named welcome. We will create this view in the next step.

Step 4: View
Laravel uses the Blade template engine to create views. Open the myproject/resources/views directory and create a file named welcome.blade.php. In the file, add the following code:

<!DOCTYPE html>
<html>
<head>
    <title>Welcome</title>
</head>
<body>
    <h1>Welcome to Laravel</h1>
</body>
</html>

Step 5: Run the application
At this point, we have completed a basic Laravel application. Open the terminal and run the following command in the project root directory to start the built-in development server:

php artisan serve

Visit http://localhost:8000, you will see a message with the title "Welcome to Laravel" page.

Conclusion:
In this article, we learned from scratch how to install and configure the Laravel framework, and how to create basic routes, controllers, and views. These are the core concepts of Laravel development, laying the foundation for you to further explore and learn this powerful PHP framework. With continued practice and learning, you will be able to build more complex and feature-rich Laravel applications.

The above is a simple introductory tutorial for Laravel, I hope it will be helpful to you. I wish you success in learning and using the Laravel framework!

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