Php 将图片上载到服务器objective c

我需要将图片从iphone应用程序上传到服务器

我使用以下代码在localhost上进行了尝试：

  NSData *storeData = UIImageJPEGRepresentation(pictureItem, 90);
                NSString *URLString = @"http://localhost:8080/image_item/upload.php";

                NSMutableURLRequest *request  = [[NSMutableURLRequest alloc] init];
                [request setURL:[NSURL URLWithString:URLString]];
                [request setHTTPMethod:@"POST"];

                NSString *boundary = @"---------------------------14737809831466499882746641449";
                NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary];
                [request addValue:contentType forHTTPHeaderField:@"Content-Type"];

                NSMutableData *body = [NSMutableData data];
                [body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
                [body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"userfile\"; filename=\"%d.jpg\"\r\n", idItem] dataUsingEncoding:NSUTF8StringEncoding]];
                [body appendData:[NSData dataWithData:storeData]];
                [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
                [request setHTTPBody:body];

                NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
                NSString *returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding];
                NSLog(@"%@",returnString);

使用image_item我的文件夹储存图片，并输入图片名称

我将upload.php页面称为：

   <?php
$uploaddir = './';      //Uploading to same directory as PHP file
$file = basename($_FILES['userfile']['name']);
$uploadFile = $file;
$newName = $uploadDir . $uploadFile;


if (is_uploaded_file($_FILES['userfile']['tmp_name'])) {
    echo "Temp file uploaded. \r\n";
} else {
    echo "Temp file not uploaded. \r\n";
}

if ($_FILES['userfile']['size']> 300000) {
    exit("Your file is too large."); 
}

if (move_uploaded_file($_FILES['userfile']['tmp_name'], $newName)) {
    $postsize = ini_get('post_max_size');   //Not necessary, I was using these
    $canupload = ini_get('file_uploads');    //server variables to see what was 
    $tempdir = ini_get('upload_tmp_dir');   //going wrong.
    $maxsize = ini_get('upload_max_filesize');
}
?>

但问题是：文件夹上有我的照片，名字很好，但我无法打开照片。存在以下错误：它可能已损坏或使用了预览无法识别的文件格式

所以我不明白。。。 有人能帮我吗

---

谢谢。

我找到了解决办法。身体里少了一条线。 正确的代码如下：

NSString *boundary = @"---------------------------14737809831466499882746641449";
            NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary];
            [request addValue:contentType forHTTPHeaderField:@"Content-Type"];

            NSMutableData *body = [NSMutableData data];
            [body appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
            [body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"userfile\"; filename=\"%d.jpg\"\r\n", idItem] dataUsingEncoding:NSUTF8StringEncoding]];
            [body appendData:[[NSString stringWithFormat:@"Content-Type: application/octet-stream\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
            [body appendData:[NSData dataWithData:storeData]];
            [body appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
            [request setHTTPBody:body];

            NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
            NSString *returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding];

---

您在哪里看到可能损坏的错误？当你在浏览器中点击它时？文件大小在前后是否相同？你能在这之前/之后做md5sum吗？一般来说，一切都是正确的。文件大小如何？php日志中有错误吗？当我想在mac OS上用预览打开图片时，我看到了这个错误。当我在浏览器中点击时，什么也没有。就大小而言，服务器上的图片是初始图片的5倍大。php logIs上没有任何内容，文件大小前后是否相同？