一、多主页应用程序 成功开发多主页Web应用程序的难题之一是在一次用户访问,即会话期间,当用户在一个应用程序的页与页之间跳转的同时,如何保留用户信息供其他页面使用。HTTP 是一种无状态协议,也就是说,Web服务器将某页的每次访问都当作相互无关的访问来处理,服务器不保留前一次访问的任何信息。正因为这种不记忆信息的特性,在Internet上开发Web数据库之类的多主页应用程序就会很困难,此类应用程序必需要跟踪 One, multi-homepage application One of the difficult problems that develop multi-homepage Webpage application program successfully is how to keep the user’s information for other users while accessing, namely during the conversation, while the user is jumping between the page and the page of an application Page to use. HTTP is a stateless protocol, that is, a Web server treats each visit to a page as unrelated, and the server does not keep any information from the previous visit. Because of this feature of not remembering information, it can be difficult to develop multi-homed applications such as Web databases on the Internet and such applications must be tracked