Curs Php-mysql

Fisierele trimise pentru upload pot fi preluate cu metoda file() sau folosind proprietati dinamice ($request->field_name).
$file = $request->file('photo');
//Or:
$file = $request->photo;

Verfiare daca e fisier pentru upload

Puteti verifica daca un fisier este trimis spre incarcare folosind metoda hasFile().
In afara de a verifica daca fisierul este prezent, puteti sa verificati daca fisierul a fost trimis cu succes, folosind metoda isValid()
if($request->hasFile('photo') && $request->file('photo')->isValid('photo')){
  //
}

Instanta clasa UploadedFile

Metoda file() returneaza o instanta a clasei Illuminate\Http\UploadedFile (care extinde clasa PHP SplFileInfo) si furnizeaza o varietate de metode pentru a inspecta si interactiona cu fisierul.
Pentru mai multe informatii despre aceste metode, vedeti: Metode clasa UploadedFile

- Exemplu, script Laravel simplu pentru incarcare imagini, cu setari pentru marimea maxima permisa a fisierului si validarea extensiei.

1. Creati un director "uploads" in directorul "public/".
2. Adaugati urmatorul cod intr-un fisier "UploadController.php" (in directorul app/Http/Controllers/):
<?php
namespace App\Http\Controllers;
use Illuminate\Http\Request;

class UploadController extends Controller {
  protected $exts =['bmp', 'gif', 'jpe', 'jpeg', 'jpg', 'png']; //allowed file exttensions
  protected $max_size =0.5; //allowed maximum file size in MB
  protected $dir ='uploads'; //folder for uploaded files (in public/ directory)
  protected $err =[]; //store errors

  //Responds to post requests to /upload/photo
  //receives the $request instance
  //return string
  public function uploadPhoto(Request $request){
    //if file is sent
    if($request->hasFile('photo')){
      $file = $request->file('photo');

      //if file successfully received
      if($file->isValid()){
        //validate the file
        $ext = $file->guessExtension();
        $size = $file->getClientSize();
        if(!in_array($ext, $this->exts)) $this->err[] ='File extension: '. $ext .'<br>Allowed file exttensions: '. implode(', ', $this->exts);
        if($size >$this->max_size*1024*1024) $this->err[] ='File extension: '. $size .'<br>Allowed maximum file size: '. $this->max_size .' MB';

        //if no error, move the file
        if(count($this->err)==0){
          $fname = $file->getClientOriginalName();
          $fmoved = $file->move(base_path() .'/public/'. $this->dir, $fname);

          //if successfully moved in uploads directory
          if($fmoved){
            return 'File successfully uploaded:<br>'. $this->dir .'/'. $fname .'<br><img src="/'. $this->dir .'/'. $fname .'" alt="Photo" />';
          }
          else $this->err[] ='Unable to move the file to: '. $this->dir .'/'. $fname;
        }
      }
      else $this->err[] ='The file not received';
    }
    else $this->err[] ='No photo file';

    if(count($this->err) >0) return implode('<br>', $this->err);
  }
}
3. Adaugati urmatorul cod intr-un fisier "upload_form.blade.php" (in directorul "resources/views/" ):
<h4>Upload Photo<h4>
<form method="post" action="/upload/photo" enctype="multipart/form-data">
{{ csrf_field() }}
File: <input type='file' name='photo'/><br>
<input type='submit' value='Upload'/>
</form>
4. Adaugati acest cod in fisierul "routes/web.php":
//shows the upload form
Route::name('upload')->get('/upload', function(){
  return view('upload_form');
});

//when the upload form is submited
Route::post('/upload/photo', 'UploadController@uploadPhoto');
5. Accesati urmatoarea adresa URL si selectati un fisier pentru incarcare:
//localhost:8000/upload
- Va afisa o pagina ca in aceasta imagine:
laravel upload form
6. Apasati pe butonul Upload, va deschide o pagina cu imaginea incarcata, cum se vede in imaginea urmatoare:
laravel uploaded file

Un alt exemplu de incarcare imagine este la aceasta pagina: //marplo.net/php-mysql/laravel-validare#anc_pex
- Formularul de incarcare contine campuri pt. Titlu si Descriere, in plus foloseste modelul avansat de validare Laravel.

O alta metoda de a salva fisierele incarcate pe server este sa folositi functia store('folder') sau storeAs('folder', 'file_name.ext').
Aceste metode stocheaza fisierele intr-un director specificat (folder) in directorul "storage/app".
Metoda store() va genera automat un ID unic pentru numele fisierului.
Metoda storeAs() primeste un al doilea argument pentru numele fisierului.
- Exemplu:
//store the uploaded 'photo' file in storage/app/uploads/

//with a unique generated name
$path = $request->photo->store('uploads');
echo $path; // uploads/wAwyYljmEkjHaucksuHM2luPiyUMNApmKrt1L3LK.png

//with the original file name
$fname = $request->photo->getClientOriginalName();
$path = $request->photo->storeAs('uploads', $fname);
echo $path; // uploads/image.png

Un Test simplu in fiecare zi

HTML
CSS
JavaScript
PHP-MySQL
Engleza
Spaniola
Ce atribut indica faptul ca un camp de formular trebuie completat?
required="required" autofocus="autofocus" placeholder="text"
<input type="text" name="name1" required="required" />
Ce metoda CSS misoreaza sau mareste dimensiunile unui element (inclusiv continutul)?
translate() scale() skew()
#some_id:hover {
  transform: scale(2, 1.5);
  -ms-transform: scale(2, 1.5);    /* IE 9 */
  -moz-transform: scale(2, 1.5);   /* Firefox */
}
Click pe metoda obiectului Date care returneaza ziua din luna.
setDate() getMonth() getDate()
var rightnow = new Date();
var day = rightnow.getDate();
alert(day);
Ce functie este folosita pentru a incarca un fisier pe server?
is_file() move_uploaded_file() fopen()
if(move_uploaded_file($_FILES["field_name"]["tmp_name"], "dir/file_name")) {
  echo "Fisierul a fost incarcat";
}
Cum se spune in engleza expresia: "Ploua cu galeata"?
rain cats and dogs rain buckets quiet rain
In Bucharest it`s raining cats and dogs.
- In Bucuresti ploua cu galeata.
Cum se spune in spaniola expresia: "Ploua cu galeata"?
llover cubo llover a cántaros lluvia tranquila
En Madrid está lloviendo a cántaros.
- In Madrid ploua cu galeata.
Laravel - Upload Fisiere

Last accessed pages

  1. Introducere in HTML (21394)
  2. Elemente principale HTML (23629)
  3. Curs HTML gratuit Tutoriale HTML5 (176465)
  4. Download carti electronice si programe pentru Limba Engleza (38817)
  5. Articole - Exercitii si teste engleza incepatori (7066)

Popular pages this month

  1. Conditional IF in Limba Engleza - Fraze Conditionale (497)
  2. Exercitii engleza - English Tests and exercises - Grammar (455)
  3. Prezentul simplu si continuu - Present Tense Simple and Continuous (447)
  4. Cursuri si Tutoriale: Engleza, Spaniola, HTML, CSS, Php-Mysql, JavaScript, Ajax (426)
  5. Gramatica limbii engleze - Prezentare Generala (326)