Question

我正在Laravel 5.8中迈出第一步。从Laracast教程开始，我使用了现成的标准Laravel应用程序项目和用户身份验证，因此这里没有什么花哨的地方。用户登录后，他可以访问仪表板并更改一些自己的用户信息，这些信息存储在MySQL的Users表中。

一切正常，除了通过变量mediator_cert上传文件之外。在检查用户是否已添加要上传的文件时（即mediator_cert不应为null），我收到错误Call to undefined method konsens24\User::hasFile()，即Laravel期望在用户中定义该方法.php文件未包含在其中（如果必须在其中明确包含它，我会感到惊讶吗？）。

我在线上查看了各种问题描述，特别是关于通过“ use”命令包含哪些问题的描述，但不幸的是没有结果。

User.php文件：

<?php

namespace konsens24;

use Illuminate\Notifications\Notifiable;
use Illuminate\Contracts\Auth\MustVerifyEmail;
use Illuminate\Foundation\Auth\User as Authenticatable;


class User extends Authenticatable
{
    use Notifiable;


    protected $fillable = [
    'first_name', 'last_name','name', 'email', 'password', 'street', 'postal', 'city', 'state', 'country', 'phone', 'mediator', 'mediator_cert'
    ];


protected $hidden = [
    'password', 'remember_token',
];


protected $casts = [
    'email_verified_at' => 'datetime',
];

public function projects()
{
  return $this->hasMany(Project::class, 'owner_id');
}
}

ProfileController.php文件：

<?php

namespace konsens24\Http\Controllers;

use Illuminate\Http\Request;
use konsens24\User;


class ProfileController extends Controller
{
  public function __construct()
  {
    $this->middleware('auth');

  }


  public function show(User $user)
  {

      $user = auth()->user();

      return view('profile.edit', compact('user'));
  }


  public function update(User $user)
  {

    abort_if($user->id !== auth()->id(), 403);

    //Handle File Upload
      if($user->hasFile('mediator_cert')){
       //Get filename with the extension
       $filenameWithExt = $user->file('mediator_cert')->getClientOriginalName();

        //Get just filename
        $filename = pathinfo($filenameWithExt, PATHINFO_FILENAME);

        //Get just ext
        $extension = $user->file('mediator_cert')->guessClientExtension();
        //FileName to store
        $fileNameToStore = $filename.'_'.time().'.'.$extension;

        //Upload Image
         $path = $user->file('mediator_cert')->storeAs('public/certs/', $fileNameToStore);
      }

    $user->update($this->validateUser());

    return view('profile.edit', compact('user'));

  }


  protected function validateUser()
  {
    return request()->validate([
      'street' => ['required', 'min:3', 'max:30'],
      'postal' => ['required', 'min:3', 'max:7'],
      'city' => ['required', 'min:3', 'max:30'],
      'state' => ['max:30'],
      'country' => ['required', 'min:1', 'max:30'],
      'phone' => ['required', 'min:9', 'max:30'],
      'mediator' => ['boolean'],
      'mediator_cert' => ['nullable']
    ]);
  }
}

edit.blade.php文件：

@extends('layouts.app')

@section('content')
  <h1 class="title">Profile Settings</h1>

  <p>Please complete your profile by adding the following information:</p>

  <form method="post" action="/profile/{{ $user->id }}" enctype="multipart/form-data">
    @method('PATCH')
    @csrf

    ...

    <div class="field">
      <label class="label" for="mediator_cert">Certification (upload as PDF, Word Document DOCX, or JPG)</label>
      <div class="control">
        <input type="file" name="mediator_cert">
      </div>
    </div>

    <br>

    <div class="field">
        <div class="control">
        <button type="submit" class="button">Update Profile</button>
      </div>
    </div>

    @include('errors')

  </form>


@endsection

预期结果应该是可以执行hasFile（）方法。非常感谢您帮助我完成这一任务！

Answer 1

您必须将 \ Illuminate \ Http \ Request $ request 作为 ProfileController @ update

注入

并在方法中使用 $ request-> hasFile（）而不是 $ user-> hasFile（） 还可以使用 $ request-> file（）或 $ request-> get（）来获取Post，Get Form的数据参数

祝你好运

Answer 2

谢谢阿敏，它成功了！这是我更改的内容：

 public function update(User $user, Request $request)
 {

 abort_if($user->id !== auth()->id(), 403);


//Handle File Upload

  if($request->hasFile('mediator_cert')){

   //Get filename with the extension
   $filenameWithExt = $request->file('mediator_cert')->getClientOriginalName();

    //Get just filename
    $filename = pathinfo($filenameWithExt, PATHINFO_FILENAME);

    //Get just ext
    $extension = $request->file('mediator_cert')->guessClientExtension();
    //FileName to store
    $fileNameToStore = $filename.'_'.time().'.'.$extension;

    //Upload Image
     $path = $request->file('mediator_cert')->storeAs('public/certs', $fileNameToStore);
     $user->mediator_cert = $fileNameToStore;
  }


$user->update($this->validateUser());


return view('profile.edit', compact('user'));

  }

尝试hasFile（）函数时出现错误“调用未定义的方法”

2 个答案: