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

<?php

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

class UserChannelController extends Controller
{
    // 我的频道编辑
    public function update()
    {
        $formData = request()->only('channels');
        $channels = array_filter(json_decode($formData['channels'], true));
        if (!$channels) {
            return $this->error('未选择任何频道');
        }

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