Web Service Based Foreign Exchange System Design And Implement

With the development of the global economic integration. financial systems between countries on a global scale are getting closer. the international foreign exchange market has become the most animato and exoteric global financial markets. In the foreign exchange market trading. many developing countries including China have become activity increasingly under the context of opening economy. With the development of market economy, the pace of development of Chinese market speed-up. More and more foreign financial institutions go into the domestic market. Domestic financial institutions face the challenge of fierce competition. the market of interest rate is gradually advancing, and the reform and development of currency market has made remarkable achievements, moreover, the development of capital market entered a new phase, the RMB convertibility process are constantly advancing. All of above will bring new requirement for the coordinated development of the foreign exchange market, so there is a lot of foreign exchange assistance software which analyze and dig the data to predict the trend of foreign exchange situation, so that tips and guide the investors to avoid risk and other measures.On the other hand, the author of this paper found that a number of foreign exchange assistance software commonly exist certain shortcoming through long-term survey and using. Such as the interface is simple and not friendly, complicated operation, lack of property management and financial support and lack of the interface of data services etc. meanwhile duo to the higher threshold, it leads to customer cannot using easily.Based on the result of the investigation and analysis and combined with the actual situation of Chinese foreign exchange market, this paper introduces the "Web Service-based foreign exchange system design and implement". Compared with other productions, this system has similar functions, but has more improvements in several areas. It provide a friendly and simple interface, so users can using this system to learn how to operate the foreign exchange even if he does not understanding the theory of foreign exchange. In addition, this system has special features that other software does not. the feature is it can use standardized financial management to manage the individual assets, and it has the ability easily to translate and convert between the different foreign currencies on user accounts. At the same time, with the combination of foreign exchange system and personal assets management, it can feedback personal asset situation through foreign exchange directly.Through this system, firstly, users can get the public exchange rates from internet at any moment, reflect exchange rates real-timely, and grasp the market quotations of bank and foreign exchange markets accurately. Secondly, the download data was stored on the server side, so that users can glance of the history record. while the client caches a period of time date to reduce the load of the server. Thirdly. with the analysis of foreign exchange indicators, it can calculate individual currently value of foreign exchange assets and it can show the changed condition of single or multiple foreign exchange assets to help user make accurate and timely judgment. Fourthly, it together with an exchange rate convert tool that can support the currency conversion between a variety of major global currencies, help users to make the right judgment. Fifthly, this system provides public data services API. improves system's usability and scalability, it can easily integrate with third party software or develop and enhance the features base on this system. Sixthly, this system supports short message and e-mail alerts:it can notify the user whom is not online if the exchange rate reaches threshold that setting by user, so that foreign investment and work do not affect each other. Finally, this system also uses MVC architecture design to provide simple design, implement and highly expansibility.