The Design And Implementation Of Client Network Invoice System Of Yunnan Local Tax Bureau

According to the general idea------"Simplify the tax invoice, unify the style, build the end user platform and use internet to issue tax invoices," we propose to expand the use of machine-printed invoices throughout the province, reduce manual invoice greatly, improve the level of standardization and digitalization of invoices to reach the purpose of better enabling invoices to control tax and also establishing internet invoice system that fits Yunnan local tax situations.The main content of this thesis is designing and analyzing the internet invoice system which can realize the functions of issuing invoices, managing invoices, managing historical data and also answering queries. This paper followed the principles of structured programming, conducted the needs analysis of the system in accordance with this method, and details about the system design, including network topology diagram, function design and database design. In the first part of this thesis, the theory of internet invoice system is introduced, the main functional requirements and performance requirements of the internet invoices system are analyzed, and the processes of the internet invoice system as well as the function of the system from end user’s point of view are described. According to the target and the principle of this design, the paper also states the main functional modules of the internet invoice system and shows how the functions are realized through showing its actual user pages. Finally, the paper described in details the test process and test results of the system. The internet invoice system after nearly a year of trial operation, demonstrated good results, which set the foundation for the improvement of the system, and the digitalization of formal invoices management step by step.