基于服务器客户端模式的开发，可以用于测试客户端与服务器的同步操作和异步操作，基于TCP、IP协议。已经在symbian os的手机上通过测试。-Client server-based model of development, can be used to test client and server synchronization and asynchronous operation, based on the TCP, IP protocol. Already in symbian os m