The term Facelets refers to the view declaration language for JavaServer Faces technology. JavaServer Pages (JSP) technology,prevIoUsly used as the presentation technology for JavaServer Faces,does not support all the new features available in JavaServer Faces in the Java EE 6 platform. JSP technology is considered to be a deprecated presentation technology for JavaServer Faces. Facelets is a part of the JavaServer Faces specification and also the preferred presentation technology for building JavaServer Faces technology-based applications.

关于在学习JSF之前准备基础知识,请确保您至少知道并了解至少HTTP,HTML,CSS,JavaScript,Servlet和XML. HTTP,因为你需要了解它的无国籍性质. HTML,CSS和JavaScript,因为这是JSF代码最终产生的,特别是HTML表单很重要,JSF是面向基于表单的应用程序. Servlet,因为这是建立在JSF框架之上的. XML,因为这是Facelets所基于的.

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