🥳How to Upload File using Ajax Phần 2 (ok)
https://makitweb.com/how-to-upload-a-file-using-jquery-ajax-in-laravel-8/
Không dùng Database, không dùng form 😂
C:\xampp8\htdocs\datvietcoconut\routes\web.php
<?php
use Illuminate\Support\Facades\Route;
/*
|--------------------------------------------------------------------------
| Web Routes
|--------------------------------------------------------------------------
|
| Here is where you can register web routes for your application. These
| routes are loaded by the RouteServiceProvider within a group which
| contains the "web" middleware group. Now create something great!
|
*/
use App\Http\Controllers\PageController;
Route::get('/', [PageController::class, 'index']);
Route::post('/uploadFile', [PageController::class, 'uploadFile'])->name('uploadFile');
C:\xampp8\htdocs\datvietcoconut\app\Http\Controllers\PageController.php
<?php
namespace App\Http\Controllers;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Validator;
class PageController extends Controller
{
public function index()
{
return view('index');
}
public function uploadFile(Request $request)
{
$data = [];
$validator = Validator::make($request->all(), [
'file' => 'required|mimes:png,jpg,jpeg,csv,txt,pdf|max:2048',
]);
if ($validator->fails()) {
$data['success'] = 0;
$data['error'] = $validator->errors()->first('file'); // Error response
} else {
if ($request->file('file')) {
$file = $request->file('file');
$filename = time() . '_' . $file->getClientOriginalName();
// File extension
$extension = $file->getClientOriginalExtension();
// File upload location
$location = 'files';
// Upload file
$file->move($location, $filename);
// File path
$filepath = url('files/' . $filename);
// Response
$data['success'] = 1;
$data['message'] = 'Uploaded Successfully!';
$data['filepath'] = $filepath;
$data['extension'] = $extension;
} else {
// Response
$data['success'] = 2;
$data['message'] = 'File not uploaded.';
}
}
return response()->json($data);
}
}
C:\xampp8\htdocs\datvietcoconut\resources\views\index.blade.php
<!DOCTYPE html>
<html>
<head>
<title>How to upload a file using jQuery AJAX in Laravel 8</title>
<!-- Meta -->
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta charset="utf-8">
<meta name="csrf-token" content="{{ csrf_token() }}">
<link rel="stylesheet" type="text/css" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<style type="text/css">
.displaynone {
display: none;
}
</style>
</head>
<body>
<div class="container">
<div class="row">
<div class="col-md-12 col-sm-12 col-xs-12">
<!-- Response message -->
<div class="alert displaynone" id="responseMsg"></div>
<!-- File preview -->
<div id="filepreview" class="displaynone">
<img src="" class="displaynone" with="200px" height="200px"><br>
<a href="#" class="displaynone">Click Here..</a>
</div>
<!-- Form -->
<div class="form-group">
<label class="control-label col-md-3 col-sm-3 col-xs-12" for="name">File <span class="required">*</span></label>
<div class="col-md-6 col-sm-6 col-xs-12">
<input type='file' id="file" name='file' class="form-control">
<!-- Error -->
<div class='alert alert-danger mt-2 d-none text-danger' id="err_file"></div>
</div>
</div>
<div class="form-group">
<div class="col-md-6">
<input type="button" id="submit" value='Submit' class='btn btn-success'>
</div>
</div>
</div>
</div>
</div>
<!-- Script -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script type="text/javascript">
var CSRF_TOKEN = document.querySelector('meta[name="csrf-token"]').getAttribute("content");
$(document).ready(function() {
$('#submit').click(function() {
// Get the selected file
var files = $('#file')[0].files;
if (files.length > 0) {
var fd = new FormData();
// Append data
fd.append('file', files[0]);
fd.append('_token', CSRF_TOKEN);
// Hide alert
$('#responseMsg').hide();
// AJAX request
$.ajax({
url: "{{route('uploadFile')}}"
, method: 'post'
, data: fd
, contentType: false
, processData: false
, dataType: 'json'
, success: function(response) {
// Hide error container
$('#err_file').removeClass('d-block');
$('#err_file').addClass('d-none');
if (response.success == 1) { // Uploaded successfully
// Response message
$('#responseMsg').removeClass("alert-danger");
$('#responseMsg').addClass("alert-success");
$('#responseMsg').html(response.message);
$('#responseMsg').show();
// File preview
$('#filepreview').show();
$('#filepreview img,#filepreview a').hide();
if (response.extension == 'jpg' || response.extension == 'jpeg' || response.extension == 'png') {
$('#filepreview img').attr('src', response.filepath);
$('#filepreview img').show();
} else {
$('#filepreview a').attr('href', response.filepath).show();
$('#filepreview a').show();
}
} else if (response.success == 2) { // File not uploaded
// Response message
$('#responseMsg').removeClass("alert-success");
$('#responseMsg').addClass("alert-danger");
$('#responseMsg').html(response.message);
$('#responseMsg').show();
} else {
// Display Error
$('#err_file').text(response.error);
$('#err_file').removeClass('d-none');
$('#err_file').addClass('d-block');
}
}
, error: function(response) {
console.log("error : " + JSON.stringify(response));
}
});
} else {
alert("Please select a file.");
}
});
});
</script>
</body>
</html>
Hoặc thay đổi
<input type="button" id="submit" value='Submit' class='btn btn-success'>
thành
<div id="submit" class='btn btn-success'>Submit</div><!DOCTYPE html>
<html>
<head>
<title>How to upload a file using jQuery AJAX in Laravel 8</title>
<!-- Meta -->
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta charset="utf-8">
<meta name="csrf-token" content="{{ csrf_token() }}">
<link rel="stylesheet" type="text/css" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<style type="text/css">
.displaynone {
display: none;
}
</style>
</head>
<body>
<div class="container">
<div class="row">
<div class="col-md-12 col-sm-12 col-xs-12">
<!-- Response message -->
<div class="alert displaynone" id="responseMsg"></div>
<!-- File preview -->
<div id="filepreview" class="displaynone">
<img src="" class="displaynone" with="200px" height="200px"><br>
<a href="#" class="displaynone">Click Here..</a>
</div>
<!-- Form -->
<div class="form-group">
<label class="control-label col-md-3 col-sm-3 col-xs-12" for="name">File <span class="required">*</span></label>
<div class="col-md-6 col-sm-6 col-xs-12">
<input type='file' id="file" name='file' class="form-control">
<!-- Error -->
<div class='alert alert-danger mt-2 d-none text-danger' id="err_file"></div>
</div>
</div>
<div class="form-group">
<div class="col-md-6">
<div id="submit" class='btn btn-success'>Submit</div>
</div>
</div>
</div>
</div>
</div>
<!-- Script -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script type="text/javascript">
var CSRF_TOKEN = document.querySelector('meta[name="csrf-token"]').getAttribute("content");
$(document).ready(function() {
$('#submit').click(function() {
// Get the selected file
var files = $('#file')[0].files;
if (files.length > 0) {
var fd = new FormData();
// Append data
fd.append('file', files[0]);
fd.append('_token', CSRF_TOKEN);
// Hide alert
$('#responseMsg').hide();
// AJAX request
$.ajax({
url: "{{route('uploadFile')}}"
, method: 'post'
, data: fd
, contentType: false
, processData: false
, dataType: 'json'
, success: function(response) {
// Hide error container
$('#err_file').removeClass('d-block');
$('#err_file').addClass('d-none');
if (response.success == 1) { // Uploaded successfully
// Response message
$('#responseMsg').removeClass("alert-danger");
$('#responseMsg').addClass("alert-success");
$('#responseMsg').html(response.message);
$('#responseMsg').show();
// File preview
$('#filepreview').show();
$('#filepreview img,#filepreview a').hide();
if (response.extension == 'jpg' || response.extension == 'jpeg' || response.extension == 'png') {
$('#filepreview img').attr('src', response.filepath);
$('#filepreview img').show();
} else {
$('#filepreview a').attr('href', response.filepath).show();
$('#filepreview a').show();
}
} else if (response.success == 2) { // File not uploaded
// Response message
$('#responseMsg').removeClass("alert-success");
$('#responseMsg').addClass("alert-danger");
$('#responseMsg').html(response.message);
$('#responseMsg').show();
} else {
// Display Error
$('#err_file').text(response.error);
$('#err_file').removeClass('d-none');
$('#err_file').addClass('d-block');
}
}
, error: function(response) {
console.log("error : " + JSON.stringify(response));
}
});
} else {
alert("Please select a file.");
}
});
});
</script>
</body>
</html>
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