In this paper,a storage area network monitoring system based on Simple Network Management Protocol(SNMP) was described.The system has the characteristic of distributed data acquisition and centralized data management and analysis.It has the function of graphics display of the measured data.The running status show that the system provides better scalability.It is suitable for large scale networks to test performance.The system automatically filters the switch SNMP fault information and isolates fault point.The system fast informs the maintenance personnel by means of sending Short message and E-mail.

Picking up data needed by diagnosis from thousands and thousands of cases stored in case history and follow-up database system,hold a effective mining algorithm to realize data mining of disease treatment.In this study,discuss in detail the theory of data mining and the related practical method of constructing a rule of correlation depending on the mountain of data in the case history and follow-up database.Through Apriori algorithm analysis,constructed a highly purposive correlation rule among the data.Through discussion,see that a suitable Apriori algorithm for the construction of a correlation rule will not only increase the efficiency of data mining in case history and follow-up database,but also set foundation for building a disease treatment information database.

Discuss application about class of event created by control for solving that many specialty men have meet puzzles in visual graphic form program design.Utilizing visual basic program design,indicate basic concept and methods of event class application and list appropriate programs.Dependent on analysis above,gives right method and rule about event class design.The design of class of event created by control must be considered its application transparence and modification seal.