There are special tools for database applications and developing，which always lower the speed of data access an processing while accessing database with hierarchical interface. It is an urgent problem epecially in the high-speed control system.
The system stores data by using text files.The system offer a File Interface class to the user,at the same time the system uses three-tier memory structure for improving the function of the system scalability and maintainability.The interface class offered by system achieves the principal primary key to search for records, adding records, deleting records similar to the database functions. Users only need to use the system interface class wing to visit the example of a paper target, by the member function object can be achieved in the corresponding function. The system uses C + + to achieve the system.
