Laravel 学习笔记三: 创建简单的api工程

composer create-project laravel/laravel LaravelApiCopy

 php artisan serve //默认127.0.0.1, 8000端口
 php artisan serve --host 192.168.20.77:8000 //修改自己的ip和端口号 Copy

APP_NAME=Laravel
APP_ENV=local
APP_KEY=base64:sY6AGaeWSWsUJo6vBbE+z2/RuEPY92PO5JhYOsscp+E=
APP_DEBUG=true
APP_URL=http://localhostCopy

<?php
return [
    ...
    'key' => env('APP_KEY'),//读取APP_KEY
    'providers' => [
        ...
        Illuminate\Encryption\EncryptionServiceProvider::class,
        ...
    ]Copy

public function register()
    {
        $this->registerEncrypter();
        $this->registerOpisSecurityKey();
        $this->registerSerializableClosureSecurityKey();
    }

 protected function registerEncrypter()
    {
         $this->app->singleton('encrypter', function ($app) {
         $config = $app->make('config')->get('app');
         //就是在这一步把key传进来的
         return  new  Encrypter($this->parseKey($config), $config['cipher']);
                });
    }Copy

 php artisan make:model Product -mcCopy

php artisan make:resource ProductCopy

public function up()
    {
        Schema::create('products', function (Blueprint $table) {
            $table->increments('id');
            $table->string('name');
            $table->integer('price');
            //这个会自动创建 created_at和updated_at，类型为timestramp
            $table->timestamps('');
        });
    }Copy

 php artisan migrate //migrate(中文:移动，迁徙)Copy

php artisan make:seeder ProductSeederCopy

class ProductSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {

        DB::table('products')->insert([
            'id' => 1,
            'name' => 'zw',
            'price' => 123,
            'created_at' => date("Y-m-d H:i:s"),
            'updated_at' => date("Y-m-d H:i:s"),
        ]);
    }
}Copy

php artisan db:seed --class=ProductSeederCopy

<?php

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Route;
use App\Http\Controllers\ProductController;

//这里有个问题，如果直接写'ProductController@show',会找不到这个类，所以写了完整的路径
Route::get('/products/{id}', 'App\Http\Controllers\ProductController@show');Copy

<?php

namespace App\Http\Resources;

use Illuminate\Http\Resources\Json\JsonResource;

class Product extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array|\Illuminate\Contracts\Support\Arrayable|\JsonSerializable
     */
    public function toArray($request)
    {
        //这个会以json的形式输出
        return [
            'id' => $this->id,
            'name' => $this->name,
            'price' => $this->price,
            'created_at' => (String)$this->created_at,
            'updated_at' => $this->updated_at,
        ];
    }
}Copy

<?php

namespace App\Http\Controllers;

use App\Models\Product;
use Illuminate\Http\Request;

use App\Http\Resources\Product as ProductResource;


class ProductController extends Controller
{

    public function show($id){
        return new ProductResource(Product::find($id));
    }
}Copy

{"data":{"id":1,"name":"zw","price":123,"created_at":"2022-10-14 10:41:18","updated_at":"2022-10-14T10:41:18.000000Z"}}Copy