我正在使用 RestKit for iOS 对我的 Python (Flask) 服务器执行 POST。POST 参数是一组嵌套字典。当我在客户端创建分层参数对象并执行发布时,没有错误。但在服务器端,表单数据被扁平化为一组键,这些键本身就是索引字符串:
@interface TestArgs : NSObject
@property (strong, nonatomic) NSDictionary *a;
@property (strong, nonatomic) NSDictionary *b;
@end
RKObjectMapping *requestMapping = [RKObjectMapping requestMapping]; // objectClass == NSMutableDictionary
[requestMapping addAttributeMappingsFromArray:@[
@"a.name",
@"a.address",
@"a.gender",
@"b.name",
@"b.address",
@"b.gender",
]];
RKRequestDescriptor *requestDescriptor = [RKRequestDescriptor requestDescriptorWithMapping:requestMapping objectClass:[TestArgs class] rootKeyPath:nil];
RKObjectManager *manager = [RKObjectManager managerWithBaseURL:[NSURL URLWithString:@"http://localhost:5000"]];
[manager addRequestDescriptor:requestDescriptor];
NSDictionary *a = [NSDictionary dictionaryWithObjectsAndKeys:
@"Alexis", @"name",
@"Boston", @"address",
@"female", @"gender",
nil];
NSDictionary *b = [NSDictionary dictionaryWithObjectsAndKeys:
@"Chris", @"name",
@"Boston", @"address",
@"male", @"gender",
nil];
TestArgs *tArgs = [[TestArgs alloc] init];
tArgs.a = a;
tArgs.b = b;
[manager postObject:tArgs path:@"/login" parameters:nil success:nil failure:nil];
在服务器端,POST 正文是这样的:
{'b[gender]': u'male', 'a[gender]': u'female', 'b[name]': u'Chris', 'a[name]': u'Alexis', 'b[address]': u'Boston', 'a[address]': u'Boston'}
当我真正想要的是:
{'b': {'gender' : u'male', 'name': u'Chris', 'address': u'Boston'}, 'a': {'gender': u'female', 'name': u'Alexis', 'address': u'Boston'}}
为什么 POST 正文不在服务器端维护其层次结构?这是我的客户端编码逻辑错误吗?在使用 Flask 解码 JSON 的服务器端?有任何想法吗?
谢谢