通过PHP在服务器上传文件[CodenameOne]

我想上传image文件在服务器上，因为没有找到任何方式直接从CodenameOne上的服务器上传文件。我以Base64格式转换图像并发送到php文件，然后在php再次解码图像并尝试上传。但同样也不起作用。你能告诉我我该如何解决这个问题？通过PHP在服务器上传文件[CodenameOne]

我的PHP代码：

<?php 

define('UPLOAD_DIR', 'public_html/appFiles/GKQuiz/userProfilePicture/'); 
//$Imagecode=$_POST['Image']; 


//Base64 String already added in $Imagecode 
$Imagecode="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"; 

$img=base64_decode($Imagecode); 
//echo $img; 
$uid=uniqid(); 

$ftp_server = "example.com"; 
$ftp_conn = ftp_connect($ftp_server) or die("Could not connect to ftp_server"); 
$login = ftp_login($ftp_conn, "example.com", "123"); 

if (ftp_put($ftp_conn, UPLOAD_DIR . $uid . ".jpg", $img, FTP_BINARY)) 
{ 
    echo "Successfully uploaded"; 
} 
else{ 
    echo "Error uploading"; 
} 

// close connection 
ftp_close($ftp_conn); 

?>

来源

2016-03-16 Prashant Rahate

最后找到与下面相同的答案。

修正PHP代码：

<?php 

define('UPLOAD_DIR',$_SERVER['DOCUMENT_ROOT'].'/appFiles/GKQuiz/userProfilePicture/'); 

// after $_SERVER['DOCUMENT_ROOT']. your root inside public_html folder if any or '/'. 

$Imagecode=$_POST['Image']; // parameter 

$img=base64_decode($Imagecode); 
$uid=uniqid(); 

$file = UPLOAD_DIR . $uid . '.jpg'; 
$success = file_put_contents($file, $img); 

if ($success) 
{ 
    echo $uid.'.jpg'; 
} 
else 
{ 
    echo "error"; 
} 

?>

在CodenameOne你的代码可能如下：

if (profilepic!=null) { 
ImageIO imgIO = ImageIO.getImageIO(); 
ByteArrayOutputStream out = new ByteArrayOutputStream(); 
imgIO.save(profilepic, out, ImageIO.FORMAT_JPEG, 1); 
byte[] ba = out.toByteArray(); 
String Imagecode = Base64.encode(ba); 
//System.out.println("data :"+Imagecode); 
request = new ConnectionRequest(){ 
    @Override 
    protected void handleErrorResponseCode(int code, String message) { 
      System.out.println("Code :"+code+" Msg :"+message); 
    } 

}; 
request.setPost(true); 
request.setHttpMethod("POST"); 
request.addArgument("Image", Imagecode); 
request.setUrl("http://example.com/filename.php"); 
NetworkManager.getInstance().addToQueueAndWait(request); 
}else{ 
    System.out.println("Unable to upload"); 
}

来源

2016-03-16 09:49:24

我猜你需要使用PHP: move_uploaded_file() 正如你可以看到here是一个完整的例子，希望它可以帮助你。

来源

2016-03-16 08:53:46 Devsome

这不起作用 –

Codename One有一个内置的标准上传API通在MultipartRequest多部分请求HTTP标准的支持。

MultipartRequest无缝地处理二进制的base64等

MultipartRequest request = new MultipartRequest(); 
request.setUrl(url); 
request.addData("myFileName", fullPathToFile, "text/plain") 
NetworkManager.getInstance().addToQueue(request);

的Java servlet代码来拦截这应该看起来像：

@WebServlet(name = "UploadServlet", urlPatterns = {"/upload"}) 
@MultipartConfig(fileSizeThreshold = 1024 * 1024 * 100, // 10 MB 
     maxFileSize = 1024 * 1024 * 150, // 50 MB 
     maxRequestSize = 1024 * 1024 * 200)  // 100 MB 
public class UploadServlet extends HttpServlet { 

    @Override 
    public void doPost(HttpServletRequest req, HttpServletResponse res) 
      throws ServletException, IOException { 
     Collection<Part> parts = req.getParts(); 
     Part data = parts.iterator().next(); 
     try(InputStream is = data.getInputStream()) {} 
      // store or do something with the input stream 
     } 
    } 
}

我不是一个PHP的人，但一个快速谷歌搜索登陆我在w3c school与此

<?php 
$target_dir = "uploads/"; 
$target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]); 
$uploadOk = 1; 
$imageFileType = pathinfo($target_file,PATHINFO_EXTENSION); 
// Check if image file is a actual image or fake image 
if(isset($_POST["submit"])) { 
    $check = getimagesize($_FILES["fileToUpload"]["tmp_name"]); 
    if($check !== false) { 
     echo "File is an image - " . $check["mime"] . "."; 
     $uploadOk = 1; 
    } else { 
     echo "File is not an image."; 
     $uploadOk = 0; 
    } 
} 
?>

来源

2016-03-17 03:27:45

通过PHP在服务器上传文件[CodenameOne]

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