doulang6695 2016-09-11 10:58 采纳率: 100%
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PHP AJAX文件上传进度条不起作用

I am trying to create a simple file upload progress bar in php ajax. Here is my code. The issue is the progress bar works fine but as soon as I include

class ="userImage" 

in

<input type = "file" name = "files" class ="userImage" >

it displays the progress bar percentage,but does not upload the file to the location. Also if I remove it, the file gets uploaded to the location fine but the progress bar does not show the percentage. I am not able to figure out what the issue is. Here is my code.

<?php

    session_start();

    $public_path = '/public_repository';

    $user_file_path_public = $_SESSION['loggedInEmail'].'/'.$public_path;

    $user_id = $_SESSION['uid'];  

    include('db.php');

?>

<?php
      function readableSize($size){

              if($size >= 1073741824){
                $fileSize = round($size / 1024 / 1024 / 1024, 1). ' gb';
              }else if($size >= 1048576){
                $fileSize = round($size / 1024 /1024, 1). ' mb';
              }else if($size >= 1024){
                $fileSize = round($size / 1024, 1). ' kb';
              }else{
                $fileSize = $size. ' bytes';
              }
              return $fileSize;
            }
?> 

<!DOCTYPE html>
<html>

<head>

  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <meta name="viewport" content="width=device-width,initial-scale=1" />
    <link rel="stylesheet" type="text/css" href="style.css"/>

    <style>
#progress-bar {background-color: #12CC1A;height:20px;color: #FFFFFF;width:0%;-webkit-transition: width .2s;-moz-transition: width .1s;transition: width .2s;}
#progress-div {border:#0FA015 1px solid;padding: 5px 0px;margin:30px 0px;border-radius:4px;text-align:center;}

</style>
    <script>
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<script type="text/javascript">
$(document).ready(function() { 
   $('#uploadForm').submit(function(e) {  
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      e.preventDefault();

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        beforeSubmit: function() {
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}); 

</script>


</head>

<body>    


<form id="uploadForm" action = "<?php echo $_SERVER['PHP_SELF'];?>" method="POST" enctype="multipart/form-data">
  Select File : 
  <input type = "file" name = "files" class ="userImage" ><br /><p/>
  <input class="upload_public_button" type = "submit" value = "Upload" name = "upload_submit">

  <div id="progress-div"><div id="progress-bar"></div></div>

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</ul>

  <?php 


    if(isset($_POST['upload_submit']) && $_POST['upload_submit'] == 'Upload') { 

      $tmp_file = $_FILES['files']['tmp_name'];
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  if(move_uploaded_file($tmp_file, $user_file_path_public.'/'.$user_file_name)) {     
  echo 'success';   
  }

}

?>

</body>

</html>
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