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

<?php

namespace App\Http\Controllers\Admin\Auth;

use App\Http\Controllers\Controller;
use Illuminate\Foundation\Auth\AuthenticatesUsers;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use App\Models\Admin\AdminLoginLog;
use App\Models\Admin\Admin;

class LoginController extends Controller
{
    /*
    |--------------------------------------------------------------------------
    | Login Controller
    |--------------------------------------------------------------------------
    |
    | This controller handles authenticating users for the application and
    | redirecting them to your home screen. The controller uses a trait
    | to conveniently provide its functionality to your applications.
    |
    */

    use AuthenticatesUsers;

    /**
     * Where to redirect users after login.
     *
     * @var string
     */
    protected $redirectTo = '/admin/home';

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

    /**
     * Get the guard to be used during authentication.
     *
     * @return \Illuminate\Contracts\Auth\StatefulGuard
     */
    protected function guard()
    {
        return Auth::guard('admin');
    }

    /**
     * Show the application's login form.
     *
     * @return \Illuminate\Http\Response
     */
    public function showLoginForm()
    {
        return view('admin.auth.login');
    }

    /**
     * Log the user out of the application.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function logout(Request $request)
    {
        $this->guard('admin')->logout();

        $request->session()->invalidate();

        return $this->loggedOut($request) ?: redirect('/admin/login');
    }

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

    public function login(Request $request)
    {
        // 验证IP
        $data = Admin::where('name',$request->name)->first();
        if(empty($data)){
            return $this->sendFailedLoginResponse($request);
        }else{
            if(!empty($data->white_ip)){
                $ip = getClientIP();
                $canLogin = Admin::where('name',$request->name)->where('status',1)->whereRaw("FIND_IN_SET('$ip',white_ip)")->first();
                if(empty($canLogin)){
                    return $this->sendFailedLoginResponse($request);
                }
            }
            
            $password = md5($request->password);
            if (Auth::guard('admin')->attempt(['name' => $request->name, 'password' => $password, 'status' => 1])) {
                AdminLoginLog::insert(['admin_name' => $request->name,'login_time' => nowDate(),'login_ip' => getClientIP()]);
                // 用户存在，已激活且未被禁用。
                return redirect($this->redirectTo);
            } else {
                return $this->sendFailedLoginResponse($request);
            }
        }
    }

}