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? ? ????? JS ???? ??? ? ??? ???? FormData? AJAX ?? ???? ???? ??? ??????

??? ? ??? ???? FormData? AJAX ?? ???? ???? ??? ??????

Dec 18, 2024 pm 08:37 PM

How to Implement AJAX File Upload with FormData Using Drag and Drop?

FormData? ??? AJAX ?? ???

??:

?? ???? FormData ?? ??? ? ??? ???? ??? ?? HTML? ??? AJAX ?? ??.

HTML ??:

<form>

JavaScript ??:

$('.wpc_contact').submit(function(event) {
  var form = $('.wpc_contact').serialize();
  var formname = $('.wpc_contact').attr('name');
  var FormData = new FormData($(form)[1]);

  $.ajax({
    url: '<?php echo plugins_url(); ?>/wpc-contact-form/resources/js/tinymce.php',
    data: { form: form, formname: formname, FormData: FormData },
    type: 'POST',
    processData: false,
    contentType: false,
    success: function(data) {
      alert(data);
    }
  });
});

???:

FormData? ???? ????? ??? ????. ??:

1. ??:

  • ?? JavaScript ?? 'form'? ???? ?? ??? FormData()? ?????.

    var form = $('form')[0];
var formData = new FormData(form);

  • ?? ?? ???? ???? FormData():

    var formData = new FormData();
formData.append('file', $('input[type=file]')[0].files[0]);

2. ?? ???:

?? ??? ?? jQuery AJAX ?? ??:

$.ajax({
  url: 'Your url here',
  data: formData,
  type: 'POST',
  contentType: false, // Required
  processData: false, // Required
  // ... Other options like success, etc.
});

??:

  • "POST"? ?????. ?? ??? POST ??? ?? ????? ??? ??? "? ?????.
  • contentType: false? jQuery ?? 1.6 ????? ??? ? ????.

? ??? ??? ? ??? ???? FormData? AJAX ?? ???? ???? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!

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