The Stock Query And Trade System Based On USSD

With rapid economic development, China's stock market continues to be refined, the stockholders are prone to use a more convenient and efficient way of transactions. On the analysis of patterns on stock transactions, the paper defined the practical significance feasibility of the Stock Query and Trade System based on USSD. The system is safe, efficient, convenient and superior to other transactions. Stock Trading System based on USSD will has a great market prospect.The paper is on the development of object-oriented thinking. Firstly, it analyses the network construction and overall design process of the system, integrate the process of stock transaction, partition system model. In view of the need for multi-user, system provides parallel processing ability, the paper also generally explains the implementation of multi-processing.How to use JNI is the key to the system. The stock model programmed by Java has cross-platform advantages. However, the stock company provides the interface provided programmed by C language. JNI technology is used to connect the two models which programmed by different language. For Java uses Unicode to all characters, solution descriptions are given for the difference between Java and C character encoding. System security mechanism is a very important aspect that needs to be considered, including the stock transactions system security and user data transmission and storage security. The paper also gives the principle about protection measures for the network configuration of stock transactions system server and the measures for data encryption storage.At the end of the paper, there is a specific example of the Stock Query and Trade System based on USSD. The result of running shows the stock transactions system based on USSD could complete user's inquiries, trade stocks very accurately, safely and efficiently. In addition, the system gives the stock market news and the dark horse plate recommendation. With them, the stock can provide more information to users. Through the user's, fully reflects, the Stock Query and Trade System based on USSD has more advantages compared to other stock transactions.