Rose是Rational公司的产品，有一系列。可能你指的是Rose建模工具，它支持UML用来画用例图，序列图，状态图，类图等。可根据设计的类生成代码（包括多种语言）。还可以从代码反向生成类。如果你会UML，Rose则使你如虎添翼。同时，Rose支持将你的建模导出为图形。作为一款专业的软件UML建模工具，它有着visio无可比拟的优势。-Rose is Rational' s products, a series. Could you mean Rose modeling tool, it supports UML to draw use case diagram, sequence diagram, state diagrams, class diagrams. Can generate code according to the design of the class (including languages). The reverse can also be generated from the code class. If you UML, Rose will make you even more powerful. Meanwhile, Rose supports export your model as a graphic. Software as a professional UML modeling tool, it has incomparable advantages visio.