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📅  最后修改于: 2023-12-03 15:20:01.375000             🧑  作者: Mango

Laravel - PHP

Laravel is a versatile, powerful and expressive PHP web application framework with an elegant syntax. It is designed for building modern and robust web applications, by making developers' daily tasks easier with an impressive toolkit.

Features
  • Artisan Command Line Interface (CLI) to automate tasks easily
  • Eloquent ORM for database interactions
  • Blade Templating Engine for robust and elegant form rendering
  • Built-in Authentication and Authorization system
  • Queues for handling heavy jobs and tasks
  • Events and Listeners for easy communication between components
  • Broadcasting for real-time events
  • Notifications for simple and elegant notification management
  • Powerful Routing system with middleware support
  • Built-in Security features to ensure your application is secure
  • Testing support with PHPUnit for better quality code
Installation

To install Laravel, first, make sure you have PHP 7.3 or higher version and the Composer installed on your system. Then open the terminal/command prompt and run the following command:

composer create-project --prefer-dist laravel/laravel my_project_name

This will create a new Laravel project in the 'my_project_name' directory.

Getting Started

After installing Laravel and creating a new project, you can start developing your application by opening it in your favorite editor. Laravel provides a set of useful commands that are available through the artisan CLI. You can execute the following command to see a list of available commands:

php artisan list
Routing

Laravel makes routing a breeze, with a simple and powerful syntax. To define a new route, use the following syntax:

Route::get('/path', function () {
    return 'Hello World';
});

This route will respond to the '/path' URL by returning the string 'Hello World'.

Controllers

Controllers are the heart of your Laravel application. They handle user requests and respond with views or data. A basic controller looks like this:

namespace App\Http\Controllers;

use Illuminate\Http\Request;

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

This controller will respond to the '/home' URL by returning the 'home' view.

Views

Views are the presentation layer of your Laravel application. They use the Blade templating engine, which provides a sleek and elegant syntax for rendering your HTML. To create a new view, create a new file in the 'resources/views' directory. Here's an example of a simple view:

<!DOCTYPE html>
<html>
    <head>
        <title>{{ $title }}</title>
    </head>
    <body>
        <h1>{{ $heading }}</h1>
        <p>{{ $content }}</p>
    </body>
</html>

This view will render a basic HTML page with a title, a heading, and some content. The 'title', 'heading', and 'content' properties are passed to the view from the controller.

Conclusion

Laravel is a modern and robust framework that provides developers with a lot of tools to build amazing web applications. It is easy to use and offers a lot of features out of the box. So, if you're a PHP developer and haven't tried Laravel yet, give it a try!