AFNetworking如何post一个json数据到服务器

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AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager]; //申明返回的结果是json类型 manager.responseSerializer = [AFJSONResponseSerializer serializer]; //申明请求的数据是json类型 manager.requestSerializer=[AFJSONRequestSerializer serializer]; //如果报接受类型不一致请替换一致text/html或别的 manager.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@ "text/html" ]; //传入的参数 NSDictionary *parameters = @{@ "1" :@ "XXXX" ,@ "2" :@ "XXXX" ,@ "3" :@ "XXXXX" }; //你的接口地址 NSString *url=@ "http://xxxxx" ; //发送请求 [manager POST:url parameters:parameters success:^(AFHTTPRequestOperation *operation, id responseObject) { NSLog(@ "JSON: %@" , responseObject); } failure:^(AFHTTPRequestOperation *operation, NSError *error) { NSLog(@ "Error: %@" , error); }];