请问ios上传图片jav后台如何接收 ？

苹果客户端上传图片 java接收

ASIFormDataRequest *request=[ASIFormDataRequest requestWithURL:[NSURL URLWithString:urlstr]];
 //分界线的标识符
 NSString *TWITTERFON_FORM_BOUNDARY = @"AaB03x";
 //分界线 --AaB03x
 NSString *MPboundary=[[NSString alloc]initWithFormat:@"--%@",TWITTERFON_FORM_BOUNDARY];
 //结束符 AaB03x--
 NSString *endMPboundary=[[NSString alloc]initWithFormat:@"%@--",MPboundary];
 //声明结束符：--AaB03x--
 NSString *end=[[NSString alloc]initWithFormat:@"rn%@",endMPboundary];
 //声明myRequestData，用来放入http body
 NSMutableData *myRequestData=[NSMutableData data];
 NSMutableString *body=[[NSMutableString alloc]init];
 //将body字符串转化为UTF8格式的二进制
 [myRequestData appendData:[body dataUsingEncoding:NSUTF8StringEncoding]];
 //将image的data加入
 UIImage *image = [UIImage imageNamed:@"1212312.png"];
 NSData * imageData = UIImagePNGRepresentation(image);
 [request setData:imageData withFileName:@"1122.png" andContentType:@"image/png" forKey:@"photo"];
 [request setPostValue:string forKey:@"note"];//额外的文字参数
 //加入结束符--AaB03x--
 [myRequestData appendData:[end dataUsingEncoding:NSUTF8StringEncoding]];
 NSLog(@"myRequestData = %@",myRequestData);
 //设置HTTPHeader中Content-Type的值
 NSString *content=[[NSString alloc]initWithFormat:@"multipart/form-data; boundary=%@",TWITTERFON_FORM_BOUNDARY];
 [request addRequestHeader:@"Content-Type" value:content];
 [request addRequestHeader:@"Content-Length" value:[NSString stringWithFormat:@"%d", [myRequestData length]]];
 [request setPostBody:myRequestData];
 [request setRequestMethod:@"POST"];
 [request startAsynchronous];