Tagged: How to Build a File Upload Form with Express and Dropzone.js

Dropzone Multiple Image upload validation 0

Dropzone Multiple Image upload validation

Today, We want to share with you Dropzone Multiple Image upload validation.In this post we will show you upload images to server using PHP dropzone.js, hear for How to Build a File Upload Form with Express and Dropzone.js we will give you demo and example for implement.In this post, we will learn about PHP – Upload multiple file using dropzone.js with drag and drop features with an example.

Dropzone Multiple Image upload validation

There are the Following The simple About Dropzone Multiple Image upload validation Full Information With Example and source code.

As I will cover this Post with live Working example to develop Upload Multiple Images and Files with Validation in Laravel, so the php upload file to server usind dropzone javascript library for this example is following below.

Setp 1: Include dropzone css and js

We use cdn for bootstrap, jquery, dropzone css and js

<link href="https://cdnjs.cloudflare.com/ajax/libs/dropzone/4.0.1/min/dropzone.min.css" rel="stylesheet">
<script src="https://cdnjs.cloudflare.com/ajax/libs/dropzone/4.2.0/min/dropzone.min.js"></script>

Step 2 : Create File “index.php” to upload file

<div class="dropzone"></div>
<b>Note:</b> 1) You can upload maximum 10 files. File size should not exceed 10MB. 2) If you have to upload a screencast video, kindly upload it to either Google Drive or Dropbox and then share its link in the Request Description.

Step 3 : Configuring dropzones

/* DropZone */
Dropzone.autoDiscover = false;


var myDropzone = new Dropzone(".dropzone", {
    addRemoveLinks: true,
    dictRemoveFile : "×",
    url: "<?php echo $api_url.'storeproducts'?>",
    paramName: "file",
    maxFilesize: 10,
    dictFileTooBig: 'File size should not exceed 10MB.',
    parallelUploads:10,
    maxFiles: 10,
    dictMaxFilesExceeded : 'You can not upload more than 10 files. You can prepare zip of more than 10 files and then upload.',
    uploadMultiple:true,
    acceptedFiles: "image/*,application/pdf",
    autoProcessQueue: false,
    headers: {
        'Authorization': '<?php echo $your_apiKey;?>'
    }
});

Upload multiple images using Dropzone plugin with PHP validation

Dropzone.options.myDropzone = {
  url: "storeproducts.php",
  autoProcessQueue: true,
  uploadMultiple: true,
  parallelUploads: 10,
  maxFilesize: 6,
  dictFileTooBig: 'File size should not exceed 6MB.',
  maxFiles: 10,
  dictMaxFilesExceeded : 'You can not upload more than 10 files. You can prepare zip of more than 10 files and then upload.',
  addRemoveLinks: true,
  dictRemoveFile : "×",
  acceptedFiles: "image/*,application/pdf",
  method: 'put',    
  headers: {
        'Authorization': '<?php echo $your_apiKey;?>'
  }
  init: function() {
    this.on('processing', function(file) {
      data = file;
      console.log(this.options.url);
    });
    this.on('addedfile', function(file) {
      if (this.files[10] != null) {
        this.removeFile(this.files[0]);
      }
    });
    this.on('maxfilesreached', function(file) {
      if (this.files[10] != null) {
        this.removeFile(this.files[0]);
      }
    });
    this.on('success', function(file, resp) {
      if (this.getUploadingFiles().length === 0 && this.getQueuedFiles().length === 0) {
          setTimeout(function () {
             console.log('Pakaifo.com all are uploaded');
          }, 500);
      }
    });
    this.on("error", function(file, errorMessage, xhr) {
      alert(file.name + ": " + errorMessage)
    });
    this.on("queuecomplete", function(file) {
      alert("queuecomplete");
    });
    this.on("sending", function(file, xhr, formData) {
      var _send = xhr.send;
      xhr.send = function() {
        _send.call(xhr, file);
      }
    });
  }
}

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