在Laravel API资源响应中包含关系

namespace App\Http\Resources;

use Illuminate\Http\Resources\Json\JsonResource;

class PostResource extends JsonResource
{
    public function toArray($request)
    {
        return [
            'id' => $this->id,
            'title' => $this->title,
            'content' => $this->content,
            'comments' => CommentResource::collection($this->comments), // 包含关联的评论数据
        ];
    }
}

namespace App\Http\Resources;

use Illuminate\Http\Resources\Json\JsonResource;

class CommentResource extends JsonResource
{
    public function toArray($request)
    {
        return [
            'id' => $this->id,
            'content' => $this->content,
            'user' => new UserResource($this->user), // 包含关联的用户数据
        ];
    }
}

use App\Http\Resources\PostResource;
use App\Models\Post;

public function show($id)
{
    $post = Post::findOrFail($id);
    return new PostResource($post);
}