| When Telecom operators working,many modules such as switches,bank reconciliations interface will produce a lot of business information,and such information will be kept in the file,These to save the business information file is a bill file.Business information needs sub-sequent operation,such as being checked and being collected,after being kept in bill file.Di-rect deal with the information is very inconvenient,if we can change the information from bill fill to database,the subsequent operation will be more convenient.And the system for storing bill file to database is the information transfer function.The system is a very important part for the telecom billing system,This system's purpose is to develop an system for storing bill file to database.The main function of the storage system is extract the information stored in bile file.First,judge whether to encrpt the data.If need to use symmetric algorithm encryption to encrypt,and make system initialization,if not need to encrypt then make system initialization.Secondly,according to the single dictionary file to be parsed and format conversion of data.Last,make data entry into the database.This system is divided into three subsystem:encryption subsystem,storing bill file to database subsystem and main control subsystem.storing bill file to database subsystem achieve the function changing information into database,main control subsystem achieve the function startup and stop the storing bill file to database subsystem.You can call the main control subsystem to startup multi storing bill file to database subsystem to peocess different bill files.Using Linux operating sys-tem as the operating system to develop and run the subsystem,using Oracle database as the da-tabase,and using DLL dynamic link library to encryption.Linux system is a class of UNIX systems,is a stable and mutil-program control system;Oracle database is the best database for large-scale data,it's widely used in large-scale data,most telecom operators use this database. |
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