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ÔÚLaravelÖУ¬ÎÒÃÇ¿ÉÒÔͨ¹ýcomposer×°ÖÃspatie/laravel-permission×é¼þÀ´ÊµÏÖȨÏÞÖÎÀí¹¦Ð§¡£ÎÒÃÇ¿ÉÒÔÔÚÏîÄ¿µÄ¸ùĿ¼ÏÂÖ´ÐÐÒÔÏÂÏÂÁîÀ´×°ÖÃÕâ¸ö×é¼þ£º

composer require spatie/laravel-permission

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'providers' => [
    // ...
    SpatiePermissionPermissionServiceProvider::class,
],

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'aliases' => [
    // ...
    'Permission' => SpatiePermissionFacadesPermission::class,
    'Role' => SpatiePermissionFacadesRole::class,
],

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php artisan make:migration create_permission_tables

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class CreatePermissionTables extends Migration
{
    public function up()
    {
        Schema::create('permissions', function (Blueprint $table) {
            $table->increments('id');
            $table->string('name');
            $table->string('guard_name');
            $table->timestamps();
        });

        Schema::create('roles', function (Blueprint $table) {
            $table->increments('id');
            $table->string('name');
            $table->string('guard_name');
            $table->timestamps();
        });

        Schema::create('model_has_roles', function (Blueprint $table) {
            $table->integer('role_id')->unsigned();
            $table->morphs('model');
            $table->string('model_type')->nullable();
            $table->string('guard_name');
            $table->foreign('role_id')->references('id')->on('roles')
                  ->onDelete('cascade');
            $table->primary(['role_id', 'model_id', 'model_type']);
        });

        Schema::create('model_has_permissions', function (Blueprint $table) {
            $table->integer('permission_id')->unsigned();
            $table->morphs('model');
            $table->string('model_type')->nullable();
            $table->string('guard_name');
            $table->foreign('permission_id')->references('id')->on('permissions')
                  ->onDelete('cascade');
            $table->primary(['permission_id', 'model_id', 'model_type']);
        });

        Schema::create('role_has_permissions', function (Blueprint $table) {
            $table->integer('permission_id')->unsigned();
            $table->integer('role_id')->unsigned();
            $table->string('guard_name');
            $table->foreign('permission_id')->references('id')->on('permissions')
                  ->onDelete('cascade');
            $table->foreign('role_id')->references('id')->on('roles')
                  ->onDelete('cascade');
            $table->primary(['permission_id', 'role_id']);
        });
    }

    public function down()
    {
        Schema::dropIfExists('permissions');
        Schema::dropIfExists('roles');
        Schema::dropIfExists('model_has_roles');
        Schema::dropIfExists('model_has_permissions');
        Schema::dropIfExists('role_has_permissions');
    }
}

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php artisan migrate

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php artisan make:auth

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use SpatiePermissionModelsRole;

$role = Role::create(['name' => 'admin']);

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use SpatiePermissionModelsPermission;

$permission = Permission::create(['name' => 'create posts']);

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ÉÏÃæµÄ´úÂ뽫½¨ÉèÒ»¸öÃûΪ¡°create posts¡±µÄȨÏÞ¡£

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$role = Role::findByName('admin');
$permission = Permission::findByName('create posts');
$role->givePermissionTo($permission);

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$user->can('create posts');

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$user->hasRole('admin');

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Route::group([
    'middleware' => ['role:admin'],
], function () {
    Route::get('/admin', function () {
        //
    });
});

Route::group([
    'middleware' => ['permission:create posts'],
], function () {
    Route::get('/new-post', function () {
        //
    });
});

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public function store(Request $request)
{
    $this->authorize('create', Post::class);

    // ...
}

public function edit(Request $request, Post $post)
{
    if (! $request->user()->can('edit', $post)) {
        abort(403);
    }

    // ...
}

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