JCA (J2EE 连接器架构,Java Connector Architecture)是对J2EE 标准的重要补充,其主要的目的是为了实现各种EIS(企业信息系统,Enterprise Information System)与基于J2EE 标准的应用服务器的集成,目前已经成为Sun 公司主推的集成技术之一。本文介绍了JCA 的功能、原理,以及如何用JCA 连接EIS。 关键词:JCA;EIS;EAI;CCI; Abstract: JCA(Java Connector Architecture) is the important supplement to J2EE standard, and its primary aim is to realize the integration between different EIS(Enterprise Information System) and various application servers based on J2EE standard. JCA is now the main integration technology of SunMicrosystem. The functions and mechanism of JCA and how to connect EIS with JCA are illustrated in the paper. Key Words: JCA;EIS;EAI;CCI;