hainan/app/Http/Controllers/Api/UserChannelController.php

<?php

namespace App\Http\Controllers\Api;
use App\Http\Controllers\Controller;
use App\Models\UserChannel;
use Illuminate\Http\Request;

class UserChannelController extends Controller
{
	//我的频道列表
	public function index()
	{
		$channels = UserChannel::where('user_id', $this->user_id)->value('channels');
		return $this->success($channels);
	}

    // 我的频道编辑
    public function update(Request $request)
    {
		$formData = $request->only(['channels']);
		$request->validate([
			'channels' => 'required|array',
		], [
			'channels.required' => '未选择任何频道',
			'channels.array' => 'channels必须是数组',
		]);

        $channels = array_unique(array_filter($formData['channels']));

        $UserChannel = UserChannel::where('user_id', $this->user_id)->first();
        $UserChannel->channels = $channels;
        $UserChannel->save();

        return $this->success();
    }
}