LARAVEL Tutorial

LARAVEL Tutorial

Laravel 6 File Upload With Validation Example Tutorial

In the previous tutorial, you have learned how to insert, update, read, delete data from MySQL database table. And create CRUD (Create, Read, Update, Delete) web application in Laravel.

In this tutorial, you will learn how to upload files/images into the database table and folder. Also, you will learn how to validate files/images on the server before uploading it into the folder and before inserting it into the database table.

Laravel File Upload Example Tutorial

  • Install Laravel Application
  • Configure Database Detail
  • Create Model and Migration
  • Run Migration
  • Create Routes
  • Generate Controller By Artisan
  • Create Blade View
  • Start Development Server

Install Laravel Application

First Step, you need to download or install laravel web application new setup on your local machine. you can use the following command to download or install laravel application new setup:

composer create-project laravel/laravel Laravel-File-Upload –-prefer-dist

If you want to install a specific version of laravel, you can follow the following tutorial

https://w3alert.com/laravel-tutorial/laravel-install-on-windows-ubuntu-with-composer

Configure Database Detail

After that, you will set up the database credentials in .env file. So open your .env file and update database credentials following:

DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=database_name
DB_USERNAME=root
DB_PASSWORD=root

Create Model and Migration

Next, we need to create a model and migration in your laravel web application using the php artisan make:model model_name -m. So run the following command in your project root directory.

Go to the command prompt

cd/project_root_directory

php artisan make:model Document -m

after that, go to database/migrations/ and find created migration file and add fields, as you want to in your database table.

Your migration file looks like:

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

class CreateDocumentsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('documents', function (Blueprint $table) {
            $table->bigIncrements('id');
            $table->string('file_name');
            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('documents');
    }
}

And go to the app/ directory and find the model file.

Your model file looks like:

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class Document extends Model
{
    //
}

Run Migration

Before you will run php artisan migrate command. Go to app/providers/AppServiceProvider.php and update the below code :

..
use Illuminate\Support\Facades\Schema;
 
....
function boot()
{
    Schema::defaultStringLength(191);
}
...

Next, go to command prompt and run the following command:

php artisan migrate
OR
php artisan migrate:fresh

This php artisan migrate command creates a table in your database.

Create Routes

Next step, go to routes/web.php file and update the following routes into your file:

//display file uploading form
Route::get('file','FileController@index');

//insert files/images into mysql database table laravel
Route::post('file-upload','FileController@fileSave');

Generate Controller By Artisan

Now, you need to generate or create a controller file using artisan command, so use the php artisan make:controller command and generate/create a new controller file:

php artisan make:controller FileController

In this controller file, we will create 2 methods for display file uploading form and store file into database and folder in laravel web application.

After that, go to App/Http/Controllers/ directory and find the created FileController file and update the following code into your file:

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Validator,Redirect,Response,File;
Use App\Document;

class FileController extends Controller
{

    public function index()
    {
        return view('file-upload');
    }

    public function fileSave()
    {
       request()->validate([
        'fileName' => 'required',
        'fileName.*' => 'mimes:doc,docx,pdf,txt,jpeg,png,jpg,gif,svg'
       ]);

       if ($files = $request->file('fileName')) {
           $destinationPath = 'public/document/'; // upload path
           $fileName = date('YmdHis') . "." . $files->getClientOriginalExtension();
           $files->move($destinationPath, $fileName);
           $insert['file_name'] = "$fileName";
        }
        
        $check = Document::insertGetId($insert);

        return Redirect::to("file-upload")
        ->withSuccess('File has been uploaded.');

    }
}

Create Blade Views

Next, you need to create a blade views file, so go resource/views directory and create the following blade views file.

Go to resource/views/ then create a new file name file-upload.blade.php and update the following code:

<html lang="en" class="">
<head>
<meta charset="UTF-8">
<title>Laravel File Upload Example Tutorial </title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.1.3/css/bootstrap.min.css" />
</head>
<body>
<div class="container">
  <div class="row justify-content-center">
    <div class="card">
       <div class="card-header">Laravel Upload File Example</div>

         <div class="card-body">
            @if ($message = Session::get('success'))

                <div class="alert alert-success alert-block">

                    <button type="button" class="close" data-dismiss="alert">×</button>

                    <strong>{{ $message }}</strong>

                </div>
            @endif

            @if (count($errors) > 0)
                <div class="alert alert-danger">
                    <strong>Whoops!</strong> There were some problems with your input.<br><br>
                    <ul>
                        @foreach ($errors->all() as $error)
                            <li>{{ $error }}</li>
                        @endforeach
                    </ul>
                </div>
            @endif

            <form action="{{ url('/file-upload') }}" method="post" enctype="multipart/form-data">
                @csrf
                <div class="form-group">
                    <input type="file" class="form-control-file" name="fileName" id="fileName" aria-describedby="fileHelp">
                    <small id="fileHelp" class="form-text text-muted">Please Choose file</small>
                </div>
                <button type="submit" class="btn btn-primary">Submit</button>
            </form>

         </div>
     </div>
  </div>
</div>
</html>

Start development server

You can use the following command artisan command to start the development server:

php artisan serve

The final step, go to your browser and type the below-given URL into your browser:

http://localhost:8000/file

OR

http://localhost/Laravel-File-Upload/public/file
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