This paper is focused on the technique for de si gn and realization of the process communications about the computer-aided train diagram network system. The Windows Socket technique is adopted to program for the cli...This paper is focused on the technique for de si gn and realization of the process communications about the computer-aided train diagram network system. The Windows Socket technique is adopted to program for the client and the server to create system applications and solve the problems o f data transfer and data sharing in the system.展开更多
介绍了基于GIS的城市路灯管理系统。该系统是一个典型的GIS应用实例,采用客户机/服务器模式,以MapInfo为开发平台,Visual Basic为开发工具,SQL Server 2000为数据库服务器,针对路灯管理的需求,采用作业计划、路灯对象信息、台帐信息、...介绍了基于GIS的城市路灯管理系统。该系统是一个典型的GIS应用实例,采用客户机/服务器模式,以MapInfo为开发平台,Visual Basic为开发工具,SQL Server 2000为数据库服务器,针对路灯管理的需求,采用作业计划、路灯对象信息、台帐信息、统计查询、基础数据、系统设置和地图操作等功能模块,完成对各种路灯设备、设施进行可视化管理、图形显示、数据分析、查询统计等。本文主要阐述了该系统的功能结构、总体设计及系统的关键技术问题的解决方案。展开更多
With the popularity of the Internet and improvement of information technology,digital information sharing increasingly becomes the trend.More and More universities pay attention to the digital campus,and the construct...With the popularity of the Internet and improvement of information technology,digital information sharing increasingly becomes the trend.More and More universities pay attention to the digital campus,and the construction of digital library has become the focus of digital campus.A set of manageable,authenticated and secure solutions are needed for remote access to make the campus network be a transit point for the outside users.Remote Access IPSEC Virtual Private Network gives the solution of remote access to e-library resources,networks resources and so on very safely through a public network.It establishes a safe and stable tunnel which encrypts the data passing through it with robust secured algorithms.It is to establish a virtual private network in Internet,so that the two long-distance network users can transmit data to each other in a dedicated network channel.Using this technology,multi-network campus can communicate securely in the unreliable public internet.展开更多
文摘This paper is focused on the technique for de si gn and realization of the process communications about the computer-aided train diagram network system. The Windows Socket technique is adopted to program for the client and the server to create system applications and solve the problems o f data transfer and data sharing in the system.
文摘介绍了基于GIS的城市路灯管理系统。该系统是一个典型的GIS应用实例,采用客户机/服务器模式,以MapInfo为开发平台,Visual Basic为开发工具,SQL Server 2000为数据库服务器,针对路灯管理的需求,采用作业计划、路灯对象信息、台帐信息、统计查询、基础数据、系统设置和地图操作等功能模块,完成对各种路灯设备、设施进行可视化管理、图形显示、数据分析、查询统计等。本文主要阐述了该系统的功能结构、总体设计及系统的关键技术问题的解决方案。
文摘With the popularity of the Internet and improvement of information technology,digital information sharing increasingly becomes the trend.More and More universities pay attention to the digital campus,and the construction of digital library has become the focus of digital campus.A set of manageable,authenticated and secure solutions are needed for remote access to make the campus network be a transit point for the outside users.Remote Access IPSEC Virtual Private Network gives the solution of remote access to e-library resources,networks resources and so on very safely through a public network.It establishes a safe and stable tunnel which encrypts the data passing through it with robust secured algorithms.It is to establish a virtual private network in Internet,so that the two long-distance network users can transmit data to each other in a dedicated network channel.Using this technology,multi-network campus can communicate securely in the unreliable public internet.