objective-c - http文件上传 objective-c

Question

我正在尝试将图像文件上传到 http 服务器。这是代码片段

 NSData *imgData = UIImagePNGRepresentation(img);

 NSString *post = [NSString stringWithFormat:@"&UserID=%@&Query=%@&fileContent=", userID, @"putImage"];

 NSMutableData *postData = [post dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];

 [postData appendBytes:[imgData bytes] length:imgData_len];

 NSString *postLength = [NSString stringWithFormat:@"%d",[postData length]];

 NSURL *url = [NSURL URLWithString:@"http://ryan.verifyidonline.com/test.php"];

 NSMutableURLRequest *theRequest = [NSMutableURLRequest requestWithURL:url];

 [theRequest setHTTPMethod:@"POST"];

 [theRequest setValue:postLength forHTTPHeaderField:@"Content-Length"];

 [theRequest setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Current-Type"];

 [theRequest setHTTPBody:postData];

 NSURLConnection *theConnection = [[NSURLConnection alloc] initWithRequest:theRequest delegate:self];

此代码仅发送图像文件的前几个字符。我想我必须以某种方式对文件进行编码，但我在尝试 NSString 编码时没有任何运气。

Answer 1

http://www.cocoadev.com/index.pl?HTTPFileUpload

祝你好运，这给了我一些麻烦，但基于这里的内容(你必须通读底部，随着时间的推移提交了固定代码)创建一个干净、可重用的方法来做到这一点不应该花费太多时间。