How to use Laravel to develop an online shopping platform

How to use Laravel to develop an online shopping mall platform

With the rapid development of the Internet, e-commerce has attracted more and more people's attention and love. Developing an online shopping mall platform with powerful functions and high stability has become the first choice for many companies and individuals. As a popular development framework, Laravel has many functions and features, and has gradually become the preferred tool for developers.

This article will guide you on how to use the Laravel framework to develop a fully functional and easy-to-maintain online mall platform, and provide you with code examples.

1. Preparation
   Before you start, you need to make sure that your system has the Laravel framework installed. You can verify the installation by entering the following command in the terminal:

   php artisan --version

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   If the version number of Laravel is displayed, you have successfully installed Laravel.

2. Create Project
   Create a new Laravel project on the command line using the following command:

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

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   This will create a project named " online_shop" Laravel project.

3. Create data table
   In order to store data such as products, orders, etc., we need to create corresponding database tables. You can create tables using the database migration feature provided by Laravel. Create a migration file for the product table named "products". The command is as follows:

   php artisan make:migration create_products_table --create=products

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   Then in the generated migration file, write the code to create the product table:

   public function up()
   {
    Schema::create('products', function (Blueprint $table) {
        $table->id();
        $table->string('name');
        $table->text('description');
        $table->decimal('price', 8, 2);
        $table->timestamps();
    });
   }
   
   public function down()
   {
    Schema::dropIfExists('products');
   }

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   Finally, in the command Run the following command on the line to create the table:

   php artisan migrate

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   The above code example creates a product table with product name, description, price, and timestamp fields.

4. Creating models and controllers
   In Laravel, models are classes corresponding to database tables and are used to manipulate data. We can use the following command to create a product model class named "Product":

   php artisan make:model Product

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   Then in the generated model class, write code related to the product. For example, we can use the following code to define properties corresponding to the database table in the product model:

   class Product extends Model
   {
    protected $fillable = ['name', 'description', 'price'];
   }

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   Next, we need to create a controller named "ProductController" to handle product-related logic . Use the following command to create the controller:

   php artisan make:controller ProductController --resource

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   Then in the generated controller class, write the code related to the product. For example, we can use the following code to define a method for processing product list display:

   public function index()
   {
    $products = Product::all();
    return view('products.index', compact('products'));
   }

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5. Create a view
   The view is the interface that the user finally sees, used to display data and receive users operation. We can use the following command to create a product list view named "index.blade.php":

   php artisan make:view products.index

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   Then in the generated view file, write the code to display the product list. For example, we can use the following code to display the product list in the view:

   @foreach ($products as $product)
    <div class="product">
        <h3>{{ $product->name }}</h3>
        <p>{{ $product->description }}</p>
        <p>价格：{{ $product->price }}</p>
    </div>
   @endforeach

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6. Route and page
   Finally, we need to associate the route with the page so that when the user visits the mall The product list can be displayed on the homepage. In the "Laravel project root directory/routes/web.php" file, add the following code:

   Route::resource('products', 'ProductController');

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   Then visit "http://localhost/products" in the browser, you will see that it has been successfully displayed A shopping mall platform with a product list.

Summary
This article uses the Laravel framework as an example to introduce in detail how to develop a simple online mall platform. From creating database tables to defining models and controllers, to writing views and routes, I hope it can help you get started with Laravel development and provide you with some code examples for reference. Of course, there are many other functions that need to be added in actual development, such as user authentication, shopping cart, order management, etc. I hope you can continue to learn and explore on this basis to develop a more powerful online mall platform.

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