问题2是正确的技术，你只需要使用新的API：

Question 2 is the correct technique, you just need to use the new API:

request = [objectManager requestWithObject: method: path: parameters:];

然后创建操作：

operation = [objectManager objectRequestOperationWithRequest: success: failure:];

然后推送执行：

[objectManager enqueueObjectRequestOperation:];