Question

我有以下用于在我的网站上传图像的PHP代码。

//代码

global $objDB;

global $path_to_image_directory ; 

global $path_to_thumbs_directory ;

$final_width_of_image = 500;  

$path_to_image_directory =  'uploads/fullsized/';  

$path_to_thumbs_directory = 'uploads/thumbs/'; 

$imagetitle="";

$mysqli = $objDB->connection;


if(isset($_FILES['uploaded']['name']))
{

 if(preg_match('/[.](jpg)|(gif)|(png)$/', $_FILES['uploaded']['name'])) {



    $filename = $_FILES['uploaded']['name']; 

    $source = $_FILES['uploaded']['tmp_name']; 

    $target = $path_to_image_directory . $filename;  

    move_uploaded_file($source, $target);  

    createThumbnail($filename);   


    $sql="INSERT INTO gallery(image)VALUES('$filename')";
    $result=$objDB->query($sql);

     if($result==1)
    {
    header("location:gallery.php?s_msg=Image added To gallery");
    }
    else
    {
      header("location:gallery.php?f_msg=Unable to Add Image");
    }       
}


else
    {
      header("location:gallery.php?f_msg=Unable to Add Image");
    }   
}

else
    {
      header("location:gallery.php?f_msg=Unable to Add Image");
    }       



function createThumbnail($filename) {  

    $path_to_image_directory="";

$path_to_thumbs_directory="";

$final_width_of_image="";

$path_to_image_directory =  'uploads/fullsized/';  

    $path_to_thumbs_directory = 'uploads/thumbs/';

$final_width_of_image = 400; 

if(preg_match('/[.](jpg)$/', $filename)) {  
   $im = imagecreatefromjpeg($path_to_image_directory . $filename);   
} else if (preg_match('/[.](gif)$/', $filename)) {  
    $im = imagecreatefromgif($path_to_image_directory . $filename);  
} else if (preg_match('/[.](png)$/', $filename)) {  
    $im = imagecreatefrompng($path_to_image_directory . $filename);  
}  



$ox = imagesx($im);  

$oy = imagesy($im);  



$nx = $final_width_of_image;  
$ny = floor($oy * ($final_width_of_image / $ox));  

$nm = imagecreatetruecolor($nx, $ny);  

imagecopyresized($nm, $im, 0,0,0,0,$nx,$ny,$ox,$oy);  

if(!file_exists($path_to_thumbs_directory)) {  
  if(!mkdir($path_to_thumbs_directory)) {  
       die("There was a problem. Please try again!");  
  }   
   }  

imagejpeg($nm, $path_to_thumbs_directory . $filename);  

}

直到昨天，当用户尝试上传大小约为1MB的图片时，一切正常。

并且正在抛出错误：

Premature end of JPEG file in db_gallery.php on line 64

fullsized/the_amazing_spider_man_2_movie-2048x1536.jpg' is not a valid JPEG file.

图像上传到服务器但未创建缩略图，请使用Pls帮助。

Answer 1

请尝试上传“gif”或“png”图片并检查是否会引发同样的错误！

上传某些选定图像时出错

1 个答案: