意外的输出文件上传PHP

我有下面的代码，但即使当我上传一个有效的图像时，它会回应“错误：您的文件无法上传”。它通过了所有检查，但保存到文件夹时出现问题。我在与php文件相同的目录中有一个名为'uploads'的目录，所以我不确定为什么它不在那里保存图像。我知道我可以用数据库来做，但我不太确定。我只希望能够将上传的图像保存在某个地方，并在页面上显示最近上传的图像。意外的输出文件上传PHP

任何有关如何得到这个工作的提示将得到彻底赞赏。谢谢！

upload.html

<!DOCTYPE html> 
    <html> 
    <head> 
     <link rel="shortcut icon" href=""> 
     <link rel="stylesheet" type="text/css" href="css/style.css"> 
     <title>File Upload</title> 
    </head> 
    <body> 
     <header> 
      <h1>File Upload</h1> 
     </header> 
     <form action="/fileUpload.php" method="post" enctype="multipart/form-data"> 
      <br> 
      Select image to upload: 
      <input type="file" name="fileToUpload" id="fileToUpload"> 

      <input type="submit" value="Upload Image" name="submit"> 
     </form>  
    </body> 
    </html>

fileUpload.php

<?php 
$target_dir = "uploads/"; 
$target_file = $target_dir . basename($_FILES["fileUpload"]["name"]); 
$uploadCheck = 1; 
$imageFileType = pathinfo($target_file,PATHINFO_EXTENSION); 

if(isset($_POST["submit"])) { 
    $check = getimagesize($_FILES["fileUpload"]["tmp_name"]); 
    if($check !== false) { 
     $uploadCheck = 1; 
    } else { 
     echo "Error: the file you attempted to upload is not an image"; 
     $uploadCheck = 0; 
    } 
} 

if (file_exists($target_file)) { 
    echo "Error: file already exists."; 
    $uploadCheck = 0; 
} 

if ($_FILES["fileUpload"]["size"] > 500000) { 
    echo "Error: file is too large."; 
    $uploadCheck = 0; 
} 

if($imageFileType != "jpg" && $imageFileType != "png" && $imageFileType != "jpeg" 
&& $imageFileType != "gif") { 
    echo "Error: incompatible type. only JPG, JPEG, PNG & GIF files."; 
    $uploadCheck = 0; 
} 

if ($uploadCheck == 0) { 
    echo "Error: your file was not uploaded."; 

} else { 
    if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file)) { 
     echo "Success! Your file - ". basename($_FILES["fileToUpload"]["name"]). " - has been uploaded."; 
    } else { 
     echo "Error: your file could not be uploaded"; 
    } 
} 
?>

来源

2016-09-22 Brittany

您的解决方案是在这里（它包含错误），

首先在Upload.html变化/文件上传.php到fileupload.php。
在upload.html & fileUpload.php中，文件的名称属性应该相同。

upload.html

<!DOCTYPE html> 
    <html> 
    <head> 
     <link rel="shortcut icon" href=""> 
     <link rel="stylesheet" type="text/css" href="css/style.css"> 
     <title>File Upload</title> 
    </head> 
    <body> 
     <header> 
      <h1>File Upload</h1> 
     </header> 
     <form action="fileUpload.php" method="post" enctype="multipart/form-data"> 
      <br> 
      Select image to upload: 
      <input type="file" name="fileUpload" id="fileUpload"> 

      <input type="submit" value="Upload Image" name="submit"> 
     </form>  
    </body> 
    </html>

fileUpload.php

<?php 
$target_dir = "uploads/"; 
$target_file = $target_dir . basename($_FILES["fileUpload"]["name"]); 
$uploadCheck = 1; 
$imageFileType = pathinfo($target_file,PATHINFO_EXTENSION); 

if(isset($_POST["submit"])) { 
    $check = getimagesize($_FILES["fileUpload"]["tmp_name"]); 
    if($check !== false) { 
     $uploadCheck = 1; 
    } else { 
     echo "Error: the file you attempted to upload is not an image"; 
     $uploadCheck = 0; 
    } 
} 

if (file_exists($target_file)) { 
    echo "Error: file already exists."; 
    $uploadCheck = 0; 
} 

if ($_FILES["fileUpload"]["size"] > 500000) { 
    echo "Error: file is too large."; 
    $uploadCheck = 0; 
} 

if($imageFileType != "jpg" && $imageFileType != "png" && $imageFileType != "jpeg" 
&& $imageFileType != "gif") { 
    echo "Error: incompatible type. only JPG, JPEG, PNG & GIF files."; 
    $uploadCheck = 0; 
} 

if ($uploadCheck == 0) { 
    echo "Error: your file was not uploaded."; 

} else { 
    if (move_uploaded_file($_FILES["fileUpload"]["tmp_name"], $target_file)) { 
     echo "Success! Your file - ". basename($_FILES["fileUpload"]["name"]). " - has been uploaded."; 
    } else { 
     echo "Error: your file could not be uploaded"; 
    } 
} 
?>

来源

2016-09-22 04:46:32

pa中的所有目录th使用了对所有 – Brittany

@Brittany设置的读写权限，请尝试更新的解决方案。 –

嘿，对不起，我不小心上传了稍微老一点的版本到这个问题。我其实使用“fileUpload.php”，而不是“/fileUpload.php”。但这是在php文件中的小错字，非常感谢！ – Brittany

而不是使用这个的：

$imageFileType = pathinfo($target_file,PATHINFO_EXTENSION);

尝试使用这样的：

list($name,$ext)=explode(".",$_FILES["fileUpload"]["name"]);

，然后尝试验证扩展部分：

if($ext!= "jpg" && $ext!= "png" && $ext!= "jpeg"&& $ext!= "gif")

我建议你使用in_array（）上述验证这样的：

$img_ext=array("jpg","png","jpeg","gif"); 
if(!in_array($ext,$img_ext)){ //Your code here }

来源

2016-09-22 05:09:00

与文件类型及其验证工作有关的所有事情，纯粹是将文件上传到目录 – Brittany

试试这个$target_dir = "./uploads/";

也如果你在一个wamp环境下使用windows pc授予文件夹权限

来源

2016-09-22 05:37:36

意外的输出文件上传PHP

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