douwen5951 2018-07-19 05:56
浏览 60

如何在laravel 5.6中修复图像输入值“null”?

in my laravel application I am using dropzone programmatically to upload images. this is my Controller to store images in VehicleController

$photos = $request->file('file');
dd($photos);
        if (!is_array($photos)) {
            $photos = [$photos];
        }

        if (!is_dir($this->photos_path)) {
            mkdir($this->photos_path, 0777);
        }

        for ($i = 0; $i < count($photos); $i++) {
            $photo = $photos[$i];
            $name = sha1(date('YmdHis') . str_random(30));
            $save_name = $name . '.' . $photo->getClientOriginalExtension();//this is line 75
            $resize_name = $name . str_random(2) . '.' . $photo->getClientOriginalExtension();

            Image::make($photo)
                ->resize(250, null, function ($constraints) {
                    $constraints->aspectRatio();
                })
                ->save($this->photos_path . '/' . $resize_name);

            $photo->move($this->photos_path, $save_name);

            $upload = new Upload();
            $upload->filename = $save_name;
            $upload->resized_name = $resize_name;
            $upload->original_name = basename($photo->getClientOriginalName());
            $upload->save();
        }
        return Response::json([
            'message' => 'Image saved Successfully'
        ], 200);

and programatically jquery is

Dropzone.autoDiscover = false;

// Dropzone class:
var myDropzone = new Dropzone("div#my-dropzone", { url: '/form'});

routes

Route::post('form','VehicleController@store');

My blade file is

<div class="dropzone" id="my-dropzone"> 
    <div class="dz-message">

              <div class="col-xs-8">
                 <div class="message">
                    <p>Drop files here or Click to Upload</p>
                 </div>
              </div>
    </div>
    <div class="fallback">
        <input type="file" name="file" multiple>

    </div>
</div>

but when my form submit button clicked following errors occurred,

1/1) FatalErrorException

Call to a member function getClientOriginalExtension() on null
in VehicleController.php line 75

when I use dd(photos); on

$photos = $request->file('file');

result comming in 'null' massage then, how can fix this problem?

  • 写回答

3条回答 默认 最新

  • drl37530 2018-07-19 06:04
    关注

    Please add enctype="multipart/form-data" in form. Like this:

    <form action="" method="post" enctype="multipart/form-data">
    
    评论

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