How to implement a file download feature in Vue.js with Laravel



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Implementing a file download feature in Vue.js with Laravel involves creating an API endpoint in Laravel to handle the file download, and then making a request to that endpoint from your Vue.js component. Here's a step-by-step guide:

Laravel (Backend) Setup:

  1. Create a Controller: Create a new controller or use an existing one to handle file download. Let's assume you have a DownloadController.php:

    php
    php artisan make:controller DownloadController

  2. Define a Download Method: In your DownloadController.php, define a method to handle the file download:

    php
    // app/Http/Controllers/DownloadController.php

namespace App\Http\Controllers;

use Illuminate\Support\Facades\Storage;

class DownloadController extends Controller
{
    public function downloadFile($filename)
    {
        $file = storage_path('app/public/' . $filename); // Change the path as needed

        return response()->download($file);
    }
}

  3. Create a Route: Add a route in your routes/web.php or routes/api.php file:

    php
    // routes/web.php or routes/api.php

use App\Http\Controllers\DownloadController;

Route::get('/download/{filename}', [DownloadController::class, 'downloadFile']);

Vue.js (Frontend) Setup:

  1. Make a Request from Vue.js: In your Vue component, make a request to the Laravel endpoint to initiate the file download. You can use the axios library for this.

    bash
    npm install axios

  2. Use Axios to Download File: In your Vue component, use Axios to make a GET request to the Laravel endpoint:

    javascript
    // Your Vue component

<template>
  <div>
    <button @click="downloadFile">Download File</button>
  </div>
</template>

<script>
import axios from 'axios';

export default {
  methods: {
    downloadFile() {
      const filename = 'your-file-name.ext'; // Provide the actual filename
      axios({
        method: 'get',
        url: `/download/${filename}`,
        responseType: 'blob', // Important for file downloads
      }).then(response => {
        const url = window.URL.createObjectURL(new Blob([response.data]));
        const link = document.createElement('a');
        link.href = url;
        link.setAttribute('download', filename);
        document.body.appendChild(link);
        link.click();
      });
    },
  },
};
</script>

    Adjust the filename variable in the Vue component with the actual filename you want to download.

Additional Notes:

  • Make sure your Laravel storage directory is properly configured and accessible.
  • Ensure that your Laravel backend and Vue.js frontend are properly connected, and you have CORS configured if they are on different domains.
  • Customize the file path and download logic based on your application's requirements.

This is a basic example, and you may need to adjust it based on your specific needs and the structure of your application.

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