This function is provided as a convenience to the client application for more efficient design or handing new data presented by the server.
This function is provided as a convenience to the client application for more efficient design or handing new data presented by the server.
这个函数的提供是为了给客户端应用提供便利，以便于进行更有效率的程序设计，并可以对服务器提供的新数据进行操作。