To do a client docking webservice, client card read entry goods unit price, amount, such as information, submit information to the server, the server for deduction results returned to the client, the problem is that if the server runs slowly cause the client timeout, the client didn't get the return information, but the server is still performed successfully, could you tell me how to deal with this problem? thank you

CodePudding user response:

Generally in asynchronous way to get data, can be used as a message queue