ASIFormDataRequest upload NSData

request_upload = [ASIFormDataRequest requestWithURL:url]; [request_upload setRequestMethod:@"POST"]; [request_upload setPostValue:self.memid forKey:@"memid"]; [request_upload setPostValue:ShoID_str forKey:@"shoid"]; [request_upload setPostValue:textInfo.text forKey:@"worksname"]; [request_upload setData:image1Data withFileName:@"file_1.jpg" andContentType:@"image/jpeg" forKey:@"file_1"]; [request_upload setData:image2Data withFileName:@"file_2.jpg" andContentType:@"image/jpeg" forKey:@"file_2"]; [request_upload setDelegate:self]; [request_upload startAsynchronous];