Based on the developing situation and characteristic of electronic reading,the paper analyses its influence on traditional reading way,and puts forward the countermeasures to meet the demands of electronic reading in library construction.

This paper firstly analyzes the trend of wireless network development and then puts forward some technological methods to construct wireless reading network and its feasible project,and finally discusses its prospects of application in electronic reading room of library.

The paper introduces the realization of log-in of electronic reading room on the basis of the systematic design of VB +SQL SERVER.

At the time of realizing the function of e-reading room,the system realizes the management of paper medium data inquiry,supports the static analysis of the inquiry and utilization of the data.

Design and realization of electronic approval system based on auto CAD;

After analysed the shortages of traditional government and the characteristics of Electronic Approval system,this paper expounds the design and realization of Electronic Approval system which is based on VBA in urban planning.

5 of EDS Company,taking the release process of aircraft design data of one aviation enterprise for example,the paper has researched the computerized approval process in PDM environment,and has implemented function such as selected promotion and computerized signature of computerized approval process.