Livewire

Laravel Livewire Change Event Example

Maksud
December 02, 2024
2 min Read
454 Views

In this tutorial, we will learn how to use laravel livewire when change event trigger. So that, let's start

Step-1: Install Laravel Livewire via composer

In this step, we need to install laravel livewire via composer command.

composer require livewire/livewire

Step-2: Create Component

We need to create component for change event via command

php artisan make:livewire changeEvent

This command will create two seperate files as

app/Http/Livewire/ChangeEvent.php
resources/views/livewire/change-event.blade.php

app/Http/Livewire/ChangeEvent.php

<?php
  
namespace App\Http\Livewire;
  
use Livewire\Component;
   
class ChangeEvent extends Component
{
    public $cities = [
        1 => 'Dhaka',
        2 => 'Delhi',
        3 => 'Kualalampur'
    ];
    public $city_id = '';
  
    /**
     * Write code on Method
     *
     * @return response()
     */
    public function render()
    {
        return view('livewire.change-event')->extends('layouts.master');
    }
  
    /**
     * Write code on Method
     *
     * @return response()
     */
    public function changeEvent($value)
    {
        $this->city_id = $value;
    }
}

resources/views/livewire/change-event.blade.php

<div>
    <h1>Laravel Livewire Change Event Example - Web-tuts.com</h1>
    <div>
        <strong>Select City:</strong>
        <select class="form-control" wire:click="changeEvent($event.target.value)">
            <option value="">-- Select City --</option>
            @foreach($cities as $key => $city)
                <option value="{{ $key }}">{{ $city }}</option>
            @endforeach
        </select>
  
        <p>Selected City ID: {{ $city_id }}</p>
    </div>
</div>

Step-3 : Create Web Route

In this step, we need to create route for this change-event

routes/web.php

<?php
  
use Illuminate\Support\Facades\Route;
 
use App\Http\Livewire\ChangeEvent;
  
Route::get('change-event', ChangeEvent::class);

Step-4 : Create Views File

resources/views/layouts/app.blade.php

<!DOCTYPE html>
<html>
<head>
    <title>Laravel Livewire Example - Kodersolution.com</title>
    @livewireStyles
    <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
    <link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
    <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
</head>
<body>
    
<div class="container">
    @yield('content')
</div>
    
</body>
  
@livewireScripts
</html>

Finally, we are done. Now serve your application. Then go to browser and hit enter http://localhost:8000/change-event route.

Thanks for your time. Hope, it will help you in your future project.

Laravel Livewire Change Event Example

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