Question

我有一个网站，该网站向用户提供上传图片的功能，但显示错误，仅jpg，jpeg，png类型的格式可用，这是我的PHP代码

<?php require "config.php";?>
<?php
 session_start();
 if($_SESSION['is_login']){
 $email = $_SESSION["email"];


}else{
  header("Location:dashboard.php");
}?>

<html>
    <head>

<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.0.13/css/all.css" integrity="sha384-DNOHZ68U8hZfKXOrtjWvjxusGo9WQnrNx2sqG0tfsghAvtVlRW3tvkXWZh58N9jp" crossorigin="anonymous">
<style type="text/css">
  .modal-backdrop.in {
    position: relative;
    opacity: .5;
}
.modal-title{
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
img{
  width: 100%
}
.btn{
  color: #87c5db;
  border-color: #87c5db;
 float: right;
}
.btn:hover{
  background-color: #87c5db;
  color: white;

}
</style>
    </head>
<body>
<?php
$query = "SELECT * FROM photos";
$fire = mysqli_query($con,$query) or die("can not fetch data from database ".mysqli_error($con));
if (mysqli_num_rows($fire)>0) {
  $users = mysqli_fetch_assoc($fire);
    $pic_id = $users['id'];
    }
  ?>
  <?php
$query = "SELECT * FROM users WHERE email='$email'or username =   
'$email'or mobile='$email'";
$fire = mysqli_query($con,$query) or die("can not fetch data from database ".mysqli_error($con));
if (mysqli_num_rows($fire)>0) {
  $row = mysqli_fetch_assoc($fire);
  $id = $row['id'];
  $email2 = $row['email'];
  $username = $row['username'];
  $avatarpath = $row['avatar_path'];



if (isset($_POST['uploadpic'])) {

  $avatar = $_FILES['avatar'];
   $avatar_name = $_FILES['avatar']['name'];
   $avatar_tmpname = $_FILES['avatar']['tmp_name'];
   $avatar_size =  $_FILES['avatar']['size'];
   $avatar_type = $_FILES['avatar']['type'];
   $avatar_ext = pathinfo($avatar_name, PATHINFO_EXTENSION);

   if (!empty($avatar_name)) {
    if ($avatar_size <= 25000000) {
      if ($avatar_ext == "jpg" || $avatar_ext == "jpeg" || $avatar_ext == "gif"  ||$avatar_ext == "png" ) {
        $chars= "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
        $rand_dir_name=substr(str_shuffle($chars),0,15);
        mkdir("userdata/user_photos/$rand_dir_name");
         $final_file= "userdata/user_photos/$rand_dir_name/$avatar_name";


   $upload = move_uploaded_file($avatar_tmpname, $final_file);
   if ($upload) {
     $msg = "file uploaded successfully ";
     $query = "INSERT INTO photos(uid,image_url,email,date_posted,username,avatar_path,time2) VALUES ('$id','userdata/user_photos/$rand_dir_name/$avatar_name','$email2',NOW(),'$username','$avatarpath',NOW())";
     $fire = mysqli_query($con,$query) or die("can not insert file path into database".mysqli_error($con));

     if ($fire) {
       $msg .=" and also inserted into database";
      header("Location:filters.php");
     }



        # code...
      }else{ echo "only jpg,jpeg,png, type format allowed";}
    }else{echo "file size is too large";}

   }else{echo "please select an image to upload";}


}  
  }

}

?>




<div class="container">
  <!-- Trigger the modal with a button -->
  <!-- Modal -->
  <div class="modal show" id="myModal" role="dialog">
    <div class="modal-dialog">

      <!-- Modal content-->
      <div class="modal-content">
        <div class="modal-header">
          <button onclick="javascript:location.href='dashboard.php'"  type="button" class="close" data-dismiss="modal">&times;</button>
          <h4 class="modal-title">Upload your pic </h4>
        </div>
        <div class="modal-body">
          <img src="images/gallery.png">
            <form action="#" method="POST" enctype="multipart/form-data">
      <input type="file" class="form-control" name="avatar" >

      <button type="submit" class="btn btn-default" name="uploadpic" > upload</button>
<button type="button" onclick="javascript:location.href='dashboard.php'" class="btn btn-default" data-dismiss="modal" >Cancel</button>
    </form>
        </div>
        <div class="modal-footer">

        </div>
      </div>

    </div>
  </div>

</div>
    </body>
</html>

，我只选择png，jpeg或jpg格式的图片，但我不知道为什么会显示此错误，并尝试删除包含扩展名类型的if语句，但脚本在实时服务器中无法正常工作虽然它可以在本地主机上工作

Answer 1

我得到了答案，实际上我的userdata文件夹中没有一个名为user_photos的文件夹，但我在代码中定义了它，现在我将其命名为userdata了，现在已经解决了thanx，以寻求您的帮助

图片上载脚本在实时服务器中不起作用，但在本地主机中起作用

1 个答案: