Magento 2 - how to upload an image from admin CRUD

Question

I'm new to Magento, created a simple CRUD module, which have a name, description and logo columns, Name and description are saving to the DB without any problems, but I need help on how to upload an image. Here is my whole module file structure, and code of Save controller, Thanks everyone for helping me!

enter image description here

<?php
namespace Elogic\Vendors\Controller\Adminhtml\Vendors;
use Magento\Backend\App\Action;
class Save extends Action
{
 /**
   * @var \Elogic\Vendors\Model\Vendors
   */
 protected $_model;
 /**
   * @param Action\Context $context
   * @param \Elogic\Vendors\Model\Vendors $model
   */
 public function __construct(
 Action\Context $context,
 \Elogic\Vendors\Model\Vendors $model
 ) {
 parent::__construct($context);
 $this->_model = $model;
 }
 /**
   * {@inheritdoc}
   */
 protected function _isAllowed()
 {
 return $this->_authorization->isAllowed('Elogic_Vendors::vendors_save');
 }
 /**
   * Save action
   *
   * @return \Magento\Framework\Controller\ResultInterface
   */
 public function execute()
 {
 $data = $this->getRequest()->getPostValue();
 /** @var \Magento\Backend\Model\View\Result\Redirect $resultRedirect */
 $resultRedirect = $this->resultRedirectFactory->create();
 if ($data) {
 /** @var \Elogic\Vendors\Model\Vendors $model */
 $model = $this->_model;
 $id = $this->getRequest()->getParam('id');
 if ($id) {
 $model->load($id);
 }
 $model->setData($data);
 $this->_eventManager->dispatch(
 'vendors_vendors_prepare_save',
 ['vendors' => $model, 'request' => $this->getRequest()]
 );
 try {
 $model->save();
 $this->messageManager->addSuccess(__('Vendor saved'));
 $this->_getSession()->setFormData(false);
 if ($this->getRequest()->getParam('back')) {
 return $resultRedirect->setPath('*/*/edit', ['id' => $model->getId(), '_current' => true]);
 }
 return $resultRedirect->setPath('*/*/');
 } catch (\Magento\Framework\Exception\LocalizedException $e) {
 $this->messageManager->addError($e->getMessage());
 } catch (\RuntimeException $e) {
 $this->messageManager->addError($e->getMessage());
 } catch (\Exception $e) {
 $this->messageManager->addException($e, __('Something went wrong while saving vendor'));
 }
 $this->_getSession()->setFormData($data);
 return $resultRedirect->setPath('*/*/edit', ['entity_id' => $this->getRequest()->getParam('id')]);
 }
 return $resultRedirect->setPath('*/*/');
 }
}

Answer 1

Uploading the product image in Magento 2

<?php
use Magento\Framework\App\Filesystem\DirectoryList;
use Magento\Backend\App\Action;
protected $_fileUploaderFactory;
public function __construct(
 \Magento\MediaStorage\Model\File\UploaderFactory $fileUploaderFactory,
 Action\Context $context
) {
 $this->_fileUploaderFactory = $fileUploaderFactory;
 parent::__construct($context);
}
public function execute(){
 $uploader = $this->_fileUploaderFactory->create(['fileId' => 'image']);
 $uploader->setAllowedExtensions(['jpg', 'jpeg', 'gif', 'png']);
 $uploader->setAllowRenameFiles(false);
 $uploader->setFilesDispersion(false);
 $path = $this->_filesystem->getDirectoryRead(DirectoryList::MEDIA)
 ->getAbsolutePath('images/');
 $uploader->save($path);
}

I hope this will help. If you still find any difficulty please let me know