将图像上载到my Laravel 6应用程序的DB表和公用文件夹中不起作用

Question

我正在写Laravel登记表。表单上载带有验证的用户配置文件图像。此映像应插入数据库中的附件表和PhpStorm中的公用文件夹中。

下面是我做过但根本不起作用的代码。任何帮助，都是高度赞赏。

上载文件控制器：

class UploadFileController extends Controller
{

public function store($request)
{
    $attachment = new Attachment();
    $attachment->mime = $request->mime;
    $attachment->size = $request->size;
    $attachment->name = $request->name;
    $attachment->original_name = $request->original_name;
    $attachment->attachment_type = $request->attachment_type;
    $attachment->attachment_id = $request->attachment_id;
    $attachment->save();
    return $attachment;
}

public function action(Request $request)
{

    $validation = Validator::make($request->all(),[
        'file' => '
        required|image|mimes:jpeg, png, jpg, gif|max:2048'
    ]);
    if($validation->passes())
    {
        $image = $request->file('file');
        $new_name = rand() . '.' . $image->getClientOriginalExtension();
        $image->move(public_path('/files'), $new_name );
        return response()->json([
            'message'        => 'File Uploaded Successfully',
            'uploaded_image' => '<img src="/files/'.$new_name.'" class="img-thumbnail" width="300" />',
            'class_name'   => 'alert-success'
        ]);
    }
    else
    {
        return response()->json([
            'message'        => $validation->errors()->all(),
            'uploaded_image'   => '',
            'class_name'     => 'alert_danger'
        ]);
    }
}

上传模式：

use Illuminate\Database\Eloquent\Model;

class Upload extends Model
{
   protected $table = 'attachments';
   protected $fillable = ['mime', 'size', 'name', 'original_name'];
}

附件模型：

class Attachment extends Model
{
     public function attach()
     {
       return $this->morphTo('App\User', 'attachable');
     }
 }

我验证表单的用户控制器：

class UserController extends Controller

    protected function getValidator(Request $request)
    {
    $rules =  [  
        'first_name' => 'required|string|max:50',
        'last_name' => 'required|string|max:50',
        'email' => 'required|email|unique:users',
        'phone' => 'required|numeric', //phone should be numeric

        'name' => 'required',
        'country' => 'required',
        'address' => 'required',
        'image' => 'required',
    ];

    if(request('country') == $TajikistanID) {
        $rules['province'] = 'required';
    } else {
        $rules['city'] = 'required';
    }

    return Validator::make($request->all(), $rules);
}

这是登记表：

<form action="{{ route('users.store') }}" method="POST" enctype="multipart/form-data">
    {{csrf_field()}} //rest of input fields

    <input type="file" id="image" name="image" value="" class="form-control" />
    <input type="hidden" name="_token" value="{{ csrf_token()" />

</form>

Answer 1

文件上载输入字段的名称属性设置为图像，但在代码中，您将文件用作值。由于此原因，laravel无法访问上载的图像。

您需要将文件上传输入字段的name属性更改为file，如下所示：

<input type="file" id="image" name="file" value="" class="form-control" />

或者您不更改file upload输入元素的名称，而是更改PHP代码，如下所示：

// Validation
$validation = Validator::make($request->all(),[
  'image' => 'required|image|mimes:jpeg, png, jpg, gif|max:2048'
]);

// Upload
$image = $request->file('image');

代码提示：不要使用HTML元素作为Api的响应。那很难看，也没用。只需返回图像的路径，如下所示：

return response()->json([
  'message'        => 'File Uploaded Successfully',
  'uploaded_image' => '/files/' . $new_name,
  'class_name'   => 'alert-success'
]);

超文本标记语言是前端的一部分，而不是其他API。