利用如下方法獲取到后臺(tái)傳過(guò)來(lái)的多條數(shù)據(jù)AFHTTPRequestOperationManager*manager=[AFHTTPRequestOperationManagermanager];[managerGET:@"http://example.com/resources.json"parameters:nilsuccess:^(AFHTTPRequestOperation*operation,idresponseObject){NSLog(@"JSON:%@",responseObject);}failure:^(AFHTTPRequestOperation*operation,NSError*error){NSLog(@"Error:%@",error);}];1.怎樣利用AFNetworking將responseObject緩存起來(lái)2.緩存后如何查詢？3.如果要?jiǎng)h掉某幾項(xiàng)數(shù)據(jù)怎么做？求大神給點(diǎn)democode感謝。。。