是的， Tomcat 需要从Eclipse中单独安装。蚂蚁不需要任何单独的下载/安装，但如果您有兴趣使用Maven，那么建议您安装 m2eclipse 插件。

Yes, Tomcat needs to be installed seperately from Eclipse. Ant shouldn't require any seperate download/installation, but if you are interested in using Maven then I'd suggest installing the m2eclipse plugin.