B/S结构（Browser/Server，浏览器/服务器模式），是WEB兴起后的一种网络结构模式，WEB浏览器是客户端最主要的应用软件。这种模式统一了客户端，将系统功能实现的核心部分集中到服务器上，简化了系统的开发、维护和使用。客户机上只要安装一个浏览器（Browser英 ['bra?z?]美 ['bra?z?]），如Netscape Navigator或Internet Explorer，服务器安装SQL Server、Oracle、MYSQL等数据库。浏览器通过Web Server 同数据库进行数据交互。(B/S structure (Browser/Server, browser / server mode) is a network structure mode after the rise of WEB. WEB browser is the most important application software of client. This model unifies the client, concentrates the core part of the system function implementation on the server, simplifies the development, maintenance and use of the system. The client just install a browser (Browser ['bra Z. ['bra Z]] the), such as Netscape Navigator or Internet Explorer, SQL Server, Oracle server installation and MYSQL database. The browser interacts with the database through the Web Server.)