On the base of the discussion of the implementation principle of the server such as real time database,GUI,OPC objects and I/O read and write and so on,the key technologies such as processing write commands and synchronizing multi-threads are probed.

• 在讨论了应用程序的实时数据库、图形用户接口、OPC对象、I/O读写等实现原理的基础上,研究了该OPC server的写命令处理和多线程同步等关键技术。