How to use Laravel to develop an online reservation system

With the popularity and development of the Internet, online reservation systems are becoming more and more popular. Whether it’s hotels, flights or restaurants, consumers want to be able to make reservations conveniently over the internet. In this article, we will introduce you to how to develop a simple online reservation system using the Laravel framework.

1. Environment setup

First, make sure you have installed PHP, Composer and Laravel. Create a new Laravel project by entering the following command on the command line:

composer create-project --prefer-dist laravel/laravel booking-system

This will automatically install the Laravel framework and its dependencies.

2. Database Design

In this example, we will create a simple reservation system with two key entities: user and reservation. We need to create two database tables to store the information for these entities.

First, open the .env file in the project and configure the database connection. Then, run the following commands to generate the database migration files:

php artisan make:migration create_users_table --create=users
php artisan make:migration create_bookings_table --create=bookings

Running these two commands separately will create two migration files, open these files, and define the structure of the table.

Add the following code in the create_users_table migration file:

public function up()
{
    Schema::create('users', function (Blueprint $table) {
        $table->increments('id');
        $table->string('name');
        $table->string('email')->unique();
        $table->string('password');
        $table->rememberToken();
        $table->timestamps();
    });
}

Add the following code in the create_bookings_table migration file:

public function up()
{
    Schema::create('bookings', function (Blueprint $table) {
        $table->increments('id');
        $table->integer('user_id')->unsigned();
        $table->dateTime('start_date');
        $table->dateTime('end_date');
        $table->timestamps();

        $table->foreign('user_id')->references('id')->on('users');
    });
}

Run the following command to perform the migration and create the database tables:

php artisan migrate

3. Models and Relationships

In this step, we will create the models and define the relationships between them.

First, create the User and Booking models:

php artisan make:model User
php artisan make:model Booking

Add the following code in the User model:

public function bookings()
{
    return $this->hasMany('AppBooking');
}

In Booking Add the following code to the model:

public function user()
{
    return $this->belongsTo('AppUser');
}

4. Routes and Controllers

Now, we need to define routes and corresponding controller methods to handle the operations of the reservation system.

Open the routes/web.php file and add the following code:

Route::get('/bookings', 'BookingController@index');
Route::post('/bookings', 'BookingController@store');

Then, create a BookingController controller:

php artisan make:controller BookingController

Add the following code in the BookingController controller:

use AppBooking;
use IlluminateHttpRequest;

class BookingController extends Controller
{
    public function index()
    {
        $bookings = Booking::with('user')->get();
        return view('bookings.index', compact('bookings'));
    }

    public function store(Request $request)
    {
        // 驗(yàn)證預(yù)訂請(qǐng)求的輸入?yún)?shù)

        $booking = new Booking;
        $booking->start_date = $request->start_date;
        $booking->end_date = $request->end_date;
        $booking->user_id = $request->user_id;
        $booking->save();

        return redirect()->back()->with('success', '預(yù)訂成功');
    }
}

5. View

Finally, we need to create the view file to display the booking list and Booking form.

Create a folder named bookings in the resources/views folder and create the following two view files in it.

index.blade.php File content:

@foreach ($bookings as $booking)
    <p>用戶: {{ $booking->user->name }}</p>
    <p>開始日期: {{ $booking->start_date }}</p>
    <p>結(jié)束日期: {{ $booking->end_date }}</p>
@endforeach

create.blade.php File content:

<form method="POST" action="/bookings">
    @csrf

    <label for="start_date">開始日期</label>
    <input id="start_date" name="start_date" type="date">

    <label for="end_date">結(jié)束日期</label>
    <input id="end_date" name="end_date" type="date">

    <label for="user_id">用戶ID</label>
    <input id="user_id" name="user_id" type="number">

    <button type="submit">預(yù)訂</button>
</form>

@if (session('success'))
    <p>{{ session('success') }}</p>
@endif

At this point, We have completed the development of a simple online booking system. Through this system, users can view the current reservation list and make new reservations.

In actual projects, you may need to add more functions, such as user authentication, search, etc. But this example should give you a good starting point.

I hope this article will be helpful to readers who are learning the Laravel framework and developing online reservation systems. I wish you success!

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