Laravel 5验证错误未显示 [英] Laravel 5 validation errors are not showing

问题描述

我正在学习Laravel 5，并且已经为用户登录编写了以下代码.现在，我尝试使用以下代码显示验证错误消息:

I am learning Laravel 5 and I have wrote following code for user login. Now I am trying display validation errors messages with this code:

@if(count($errors))
    <div class="alert alert-danger">
        <ul>
            @foreach($errors->all() as $error)
                <li>{{ $error }}</li>
            @endforeach
        </ul>
    </div>
@endif

，但未显示任何内容. :(

but nothing is displaying. :(

不显示错误原因的任何提示，如果用户未输入任何值并点击提交按钮.

Any idea whyerrors are not displaying, If user not enter any value and hit submit button.

谢谢.

Route::get('/', function () {
    return view('welcome');
});

Route::group(['middleware' => ['web']], function () {
    Route::get('/login', ['as' => 'login', 'uses' => 'AuthController@login']);
    Route::post('/handleLogin', ['as' => 'handleLogin', 'uses' => 'AuthController@handleLogin']);
    Route::get('/home', ['middleware' => 'auth', 'as' => 'home', 'uses' => 'UserController@home']);
    Route::get('/logout', ['as' => 'logout', 'uses' => 'AuthController@logout']);
    Route::resource('user', 'UserController', ['only' => ['create', 'store']]);
});

login.blade.php

@extends('layouts.master')

@section('content')

<div class="row">
    <div class="col-md-6">
        <h2>Log in</h2>
        <p>Hi, here you can login to your account.</p>
        <br>
        @if(count($errors))
            <div class="alert alert-danger">
                <ul>
                    @foreach($errors->all() as $error)
                        <li>{{ $error }}</li>
                    @endforeach
                </ul>
            </div>
        @endif

        {!! Form::open(array('route' => 'handleLogin')) !!}
            <div class="form-group">
                {!! Form::label('email', 'E-Mail Address') !!}
                {!! Form::text('email', null, array('class' => 'form-control','placeholder' => '[e-mail]')) !!}
            </div>

            <div class="form-group">
                {!! Form::label('password', 'Password') !!}
                {!! Form::password('password', array('class' => 'form-control')) !!}
            </div>

            <div>
                {!! Form::token() !!}
                {!! Form::submit('Sign In' , array('class' => 'btn btn-primary')) !!}
            </div>
        {!! Form::close() !!}
        <br>
    </div>
</div>

@endsection

AuthController.php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

use App\Http\Requests;
use App\Http\Controllers\Controller;
use App\User;

class AuthController extends Controller
{
    public function login()
    {
        return view('auth.login');
    }

    public function handleLogin(Request $request)
    {
        $this->validate($request, User::$login_validation_rules);
        $data = $request->only('email', 'password');
        if(\Auth::attempt($data)) {
            return redirect()->intended('home');
        }

        return back()->withInput();
    }

    public function logout()
    {
        \Auth::logout();
        return redirect()->route('login');
    }
}

User.php

<?php

namespace App;

use Illuminate\Foundation\Auth\User as Authenticatable;

class User extends Authenticatable
{
    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'name', 'email', 'password',
    ];

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

    public static $login_validation_rules = [
        'email' => 'required|email|exists:users',
        'password' => 'required'
    ];
}

推荐答案

我认为您可以修改handleLogin方法以将错误发送到视图，如下所示:

I think you can modify your handleLogin method to send the errors to the view, something like this:

public function handleLogin(Request $request)
{
    $validator=$this->validate($request, User::$login_validation_rules);
    $data = $request->only('email', 'password');
    if(\Auth::attempt($data)) {
        return redirect()->intended('home');
    }

    return back()->withInput()->withErrors($validator->errors());
}

应该可以

您可以阅读Laravel文档来查看解决方案: https://laravel.com/docs/5.0/validation

You can review the solution reading the Laravel Documentation: https://laravel.com/docs/5.0/validation

致谢！

这篇关于Laravel 5验证错误未显示的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！