The Application And Research Of Software Component Based Distributed International Freight Forwarders System

International Freight Forwarder System (IFFS) has become the key tool for International Freight Forwarding Agent (IFFA) to innovate management and raise the competitiveness of enterprises and develop potential customers for them in recent years. This dissertation import Agent and distributed component technology to International Freight Forwarder System based on Web technology. It can better offer users with personalized service and realize various complicated service control to adopt Agent technology. Component-based software development (CBSD) has progressed into the step of practice from theory research. But there still exist many problems to be solved, such as business object modeling, realization of dynamic business processing based on component in the field of IFFA. It is also a focus task that how to strengthen the operation safety and datum security in B/S information system construction. The main contribution of this dissertation can be conclude as following:Based on summarizing the latest research and application situation of IFFS, Considering the characteristics of traditional IFFS, which lacks of personalized service while over emphasizes business management, and on the base of combining Agent technique and component technology, intelligent mail system and remote order tracking service are realized.The system report forms based on B/S are variety and changeability. The B/S report forms based on component, which can be defined by users themselves, is advanced in this dissertation. The report forms can be downloaded form server through network and run at the client automatically. Users can make and revise the report form template independently, and the modification can be embodied in the IFFS report form subsystems in real-time.The rapid development of Network System based B/S and the characteristics of opening, interlocal need high security and privacy of information. Integrating encryption algorithms, such as DBS and AES, MPCryptLib, a kind of common encrypt component,is brought forward. Further more, relevant technological implementation method or recommending solution way according to the practical demand for information security in the B/S system is advanced.Finally, aiming at eliminating the deficiency of traditional C/S two-layer structure mode and B/S three-layer structure mode, a four-layer system structure of IFFS based on distributed COM component technology is proposed. The system modeling and implementation of business process driven are carried through with techniques of the distributed component and Object-Oriented modeling. Through deep survey on business of a certain large-scale IFFA company combined with the running condition of other company, The iCargo IFFS based B/S is realized successfully and is put into practice in an IFFA company in Shanghai.Implementation of this system offers an ideal way and implement for IFFA of the new generation based on B/S. Also it works as a sample for IFFA to make interlocal development and realize distributed cooperation work.Ke Ke-feng (Control Theory and Control Engineering) Supervised by Shao Shi-huang...