Laravel 8 自定义登录：使用用户名而非邮箱进行认证

// database/migrations/xxxx_xx_xx_xxxxxx_create_users_table.php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

class CreateUsersTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('users', function (Blueprint $table) {
            $table->id();
            $table->string('name')->nullable()->unique(); // 确保 name 字段唯一且可用于登录
            // ... 其他用户相关字段，例如 'telegram', 'skills' 等
            $table->string('password');
            $table->rememberToken();
            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('users');
    }
}

<!-- resources/views/auth/login.blade.php -->

<form method="POST" action="{{ route('login') }}">
    @csrf

    <div class="form-group row">
        <label for="name" class="col-md-4 col-form-label text-md-right">{{ __('Username') }}</label>

        <div class="col-md-6">
            <input id="name" type="text" class="form-control @error('name') is-invalid @enderror" name="name" value="{{ old('name') }}" required autocomplete="name" autofocus>

            @error('name')
                <span class="invalid-feedback" role="alert">
                    <strong>{{ $message }}</strong>
                </span>
            @enderror
        </div>
    </div>

    <div class="form-group row">
        <label for="password" class="col-md-4 col-form-label text-md-right">{{ __('Password') }}</label>
        <div class="col-md-6">
            <input id="password" type="password" class="form-control @error('password') is-invalid @enderror" name="password" required autocomplete="current-password">
            @error('password')
                <span class="invalid-feedback" role="alert">
                    <strong>{{ $message }}</strong>
                </span>
            @enderror
        </div>
    </div>

    <!-- ... 其他表单元素和按钮，如“记住我”和“忘记密码”链接 ... -->
</form>

// app/Http/Controllers/Auth/LoginController.php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Controller;
use App\Providers\RouteServiceProvider;
use Illuminate\Foundation\Auth\AuthenticatesUsers;

class LoginController extends Controller
{
    use AuthenticatesUsers;

    /**
     * Where to redirect users after login.
     *
     * @var string
     */
    protected $redirectTo = RouteServiceProvider::HOME;

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('guest')->except('logout');
    }

    /**
     * Get the login username to be used by the controller.
     *
     * @return string
     */
    public function username()
    {
        return 'name'; // 将默认的 'email' 改为 'name'
    }
}

// app/Models/User.php

namespace App\Models;

use Illuminate\Contracts\Auth\MustVerifyEmail;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;
use Laravel\Sanctum\HasApiTokens;

class User extends Authenticatable
{
    use HasApiTokens, HasFactory, Notifiable;
    // use \HighIdeas\UsersOnline\Traits\UsersOnlineTrait; // 如果不需要，可以移除

    /**
     * The attributes that are mass assignable.
     *
     * @var string[]
     */
    protected $fillable = [
        'name',
        'password',
        // 'email', // 如果不再使用邮箱作为注册字段，可以根据实际情况移除或保留
        'skills',
        'education',
        'sponsor',
        'telegram',
    ];

    /**
     * The attributes that should be hidden for serialization.
     *
     * @var array
     */
    protected $hidden = [
        'password',
        'remember_token',
    ];

    // ... 其他方法和属性，如 relationships
}