支持语法高亮,语法校验,代码提示的工具 
freemarker  IDE(JBoss): 
http://download.jboss.org/jbosstools/updates/development/ 

安装方法: 
eclipse --> Help --> Install New Software --> Add --> Name=freemarker,Location=http://download.jboss.org/jbosstools/updates/development/ 

myeclipse --> Help --> Software Updates --> Find and Install --> Search for new features to install --> Add --> Name=freemarker,Location=http://download.jboss.org/jbosstools/updates/development/ 

只需选"JBoss Tools - 3.1.0.v200912250601M-H198-CR1"下的"FreeMarker IDE"即可,其他工具不用到就不要下载,以节省安装时间。