XDoclet是一个扩展的JavaDoc的Doclet引擎，可以通过普通的Java工具来创建自己的JavaDoc标签，制作出有个性化的JavaDoc文档，是一个基于BSD许可的free项目 -XDoclet is an expansion of the JavaDoc Doclet engine, can ordinary Java tools to create their own JavaDoc tags, create a character of JavaDoc document is a license based on the free BSD projects