php - 使用 MKNetworkEngine 将图像 iOS 上传到 PHP - 我知道它有效，但无法让 PHP 捕获

Question

我创建了一个 iOS 应用程序，它使用 MKNetworkEngine 将相机拍摄的图像上传到服务器，as outlined in the following tutorial如果我将主机设置为 posttestserver.com，顾名思义，这是一个公共(public) POST 测试服务器，它会返回一个 URL 和新上传照片的路径。成功!

问题:我无法使用自己的 PHP 代码捕获该文件并将其保存在我的网络服务器上。我不明白 posttestserver.com 是如何成功获得它的，但我非常简单的 php 却没有。

iOS 端:

NSData *image = UIImageJPEGRepresentation([info objectForKey:UIImagePickerControllerOriginalImage], 0.1);

NSDictionary *dic = [[NSDictionary alloc] initWithObjectsAndKeys:
                     @"woody", @"userName", @"testPassword", @"password", nil];

 //WORKS:
self.flUploadEngine = [[fileUploadEngine alloc] initWithHostName:@"posttestserver.com" customHeaderFields:dic];
 //Doesnt work:
self.flUploadEngine = [[fileUploadEngine alloc] initWithHostName:@"camerademander.com" customHeaderFields:dic]; 

NSMutableDictionary *postParams = [NSMutableDictionary dictionaryWithObjectsAndKeys:
                                   @"testApp", @"appID",
                                   nil];
self.flOperation = [self.flUploadEngine postDataToServer:postParams path:@"/users/recieveStub3.php"];
[self.flOperation addData:image forKey:@"userfile" mimeType:@"image/jpg" fileName:@"upload.jpg"];

[self.flOperation addCompletionHandler:^(MKNetworkOperation* operation) {
    NSLog(@"HTTP 200: success");
    NSLog(@"%@", [operation responseString]);
}
                          errorHandler:^(MKNetworkOperation *errorOp, NSError* error) {
                              NSLog(@"%@", error);
                              UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Error"
                                                                              message:[error localizedDescription]
                                                                             delegate:nil
                                                                    cancelButtonTitle:@"Dismiss"
                                                                    otherButtonTitles:nil];
                              [alert show];
                          }];

[self.flUploadEngine enqueueOperation:self.flOperation];

php:

echo "Connected to server successfully.";
$uploaddir = '/photos/';
$file = basename($_FILES['userfile']['upload.jpg']);
$uploadfile = $uploaddir . $file;

if (move_uploaded_file($_FILES['userfile']['upload.jpg'], $uploadfile)) {
    echo "Successfully uploaded! :{$file}:";
}

这阻碍了我的项目前进 - 我不明白 posttestserver 如何能够得到结果，但我不明白，特别是当我能够成功连接到我自己的 php 和服务器时。

提前非常感谢!

Answer 1

在您的 iOS 端，将键“userfl”更改为“userfile”

[self.flOperation addData:image forKey:@"userfile" mimeType:@"image/jpg" fileName:@"upload.jpg"];

在你的 php 端，你应该像这样更改你的代码:

echo "Connected to server successfully.";
$uploaddir = '/photos/';
$file = basename($_FILES["userfile"]["name"]);
$uploadfile = $uploaddir.$file;

if (move_uploaded_file($_FILES["userfile"]["tmp_name"], $uploadfile)) {
    echo "Successfully uploaded! :{$file}:";
}

看完 w3schools's PHP File Upload Tutorials 我不是 PHP 程序员，写下答案，希望它有效:)

更新:

好的，更新了我的答案以获取有关您的问题的更多信息。(我在我的服务器上进行了测试，效果很好)

1. 退出时删除照片目录

2. 使用下面的 php 代码看看你会得到什么

   if($_FILES){
       $uploaddir = './photos/';
       $file = basename($_FILES["userfile"]["name"]);
       $uploadfile = $uploaddir.$file;
   
       if(!file_exists($uploaddir)){
         if(!mkdirs($uploaddir)){
           echo "Fail to creat uploaddir";
           exit();
         }
       }else if( file_exists($uploadfile)){
          echo "Upload file exists";
          exit();
       }
   
       if (move_uploaded_file($_FILES["userfile"]["tmp_name"], $uploadfile)) {
           echo "Successfully uploaded! :{$file}:";
       }else{
           echo "Failed uploaded! :{$file}:";
       }
   }else {
       echo "Uploaded empty file";
   }
   
   function mkdirs($dir, $mode = 0777) {
   
       if (is_dir ( $dir ) || @mkdir ( $dir, $mode ))
           return TRUE;
       if (!mkdirs ( dirname ( $dir ), $mode ))
           return FALSE;
       return @mkdir ( $dir, $mode );
   
   }