ios 设置head请求头，自定义head, read response header

AFHTTPSessionManager *manger = [AFHTTPSessionManager manager];

manger.securityPolicy = [AFSecurityPolicy policyWithPinningMode:AFSSLPinningModeNone];

manger.requestSerializer = [AFJSONRequestSerializer serializer];

manger.responseSerializer = [AFJSONResponseSerializer serializer];

[manger.requestSerializer setValue:@"123456" forHTTPHeaderField:@"uid"];

[manger.requestSerializer setValue:@"78912345" forHTTPHeaderField:@"token"]

http://stackoverflow.com/questions/20421028/afnetworking-2-0-how-to-read-response-header

//同理

AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];

manager.securityPolicy = [AFSecurityPolicy policyWithPinningMode:AFSSLPinningModeNone];

manager.requestSerializer = [AFJSONRequestSerializer serializer];

manager.responseSerializer = [AFJSONResponseSerializer serializer];

[manager.requestSerializer setValue:@"value" forHTTPHeaderField:@"name"];

NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse*)response;
if ([httpResponse respondsToSelector:@selector(allHeaderFields)]) {
    NSDictionary *dictionary = [httpResponse allHeaderFields];
    NSLog([dictionary description]);
}