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? ??? ?? PHP ???? jQuery AJAX ? PHP? ???? ??? ?? ???? ???? ??? ??????

jQuery AJAX ? PHP? ???? ??? ?? ???? ???? ??? ??????

Dec 24, 2024 am 03:51 AM

How to Implement a Simple File Upload Using jQuery AJAX and PHP?

PHP? ??? jQuery AJAX ?? ???

??: jQuery AJAX ? PHP.

?? HTML ? JavaScript ????:

<!-- HTML -->
<input>
<!-- JavaScript -->
$("#upload").on("click", function() {
  var file_data = $("#sortpicture").prop("files")[0];
  var form_data = new FormData();
  form_data.append("file", file_data);
  alert(form_data);
  $.ajax({
    url: "/uploads",
    dataType: 'script',
    cache: false,
    contentType: false,
    processData: false,
    data: form_data,
    type: 'post',
    success: function() {
      alert("works");
    }
  });
});

?? ??:
??? ????? "[object FormData]"?? ??? ???? ?? ??? ???? ?? ??? ?????. , '???'? ??? ????. ??.

???:
?? ???? ???? ??? ?? ??? ? ??? ???? ??? ????? ?????.

????? JavaScript ????:

$('#upload').on('click', function() {
  var file_data = $('#sortpicture').prop('files')[0];
  var form_data = new FormData();                  
  form_data.append('file', file_data);
  alert(form_data);                             
  $.ajax({
    url: 'upload.php', // Point to server-side PHP script 
    dataType: 'text',  // Expect a response from the PHP script
    cache: false,
    contentType: false,
    processData: false,
    data: form_data,                         
    type: 'post',
    success: function(php_script_response){
      alert(php_script_response); // Display response from the PHP script
    }
 });
});

??? PHP ????(upload.php):

<?php

if ( 0 < $_FILES['file']['error'] ) {
  echo 'Error: ' . $_FILES['file']['error'] . '<br>';
}
else {
  move_uploaded_file($_FILES['file']['tmp_name'], 'uploads/' . $_FILES['file']['name']);
}

?>

?? ?? ??:

  • ??? ????? ??? ?? ??? ???? ?????.
  • ??? ????? ??? ??? ?????.
  • move_uploaded_file ?? ????? ???? ?? ??? ??? ?? ?????.
  • upload_max_filesize ? post_max_size? ?? PHP ?? ??? ???? ?? ?? ??? ?????.

? ??? jQuery AJAX ? PHP? ???? ??? ?? ???? ???? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!

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? ?? ??? ????? ???? ??? ??????, ???? ?????? ????. ? ???? ?? ???? ?? ??? ?? ????. ???? ??? ???? ???? ??? ?? admin@php.cn?? ?????.

? AI ??

Undresser.AI Undress

Undresser.AI Undress

???? ?? ??? ??? ?? AI ?? ?

AI Clothes Remover

AI Clothes Remover

???? ?? ???? ??? AI ?????.

Video Face Swap

Video Face Swap

??? ??? AI ?? ?? ??? ???? ?? ???? ??? ?? ????!

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