Php 将照片从iphone上传到Web服务器

我尝试使用许多不同的.php上传脚本将照片从我的iPhone应用程序上传到我的，但到目前为止我没有成功

请检查我的iPhone源代码：

- (IBAction)upload:(id)sender {
    NSData *imageData = UIImageJPEGRepresentation(imageView.image, 90);
    NSString *urlString = @"http://wasnaga.nestons.org/420/upload.php";

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

    NSString *boundary = [NSString stringWithString:@"------------------------1473780983146499882746641449"];
    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=\.jpg\"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
    [body appendData:[[NSString stringWithFormat:@"Content-Type: application/octet-stream\r\n\r\n"]dataUsingEncoding:NSUTF8StringEncoding]];
    [body appendData:[NSData dataWithData:imageData]];
    [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);   
}

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有什么错误吗？你能帮我处理一下.php文件吗

看起来您的第一行数据中缺少反斜杠：

@"\r\n--%@r\n"

应该是：

@"\r\n--%@\r\n"

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看看这个线程上的答案没什么它仍然不起作用我也试着改变代码，但什么都没有