scala版本为2.10.4
http://scala-ide.org/download/prev-stable.html
Eclipse 3.8-4.3 (Juno and Kepler)
For Scala 2.11.2
http://download.scala-ide.org/sdk/helium/e38/scala211/stable/site (If you cannot use the update site, a downloadable local update site is available: zipfile, sha1sum)
For Scala 2.10.4
http://download.scala-ide.org/sdk/helium/e38/scala210/stable/site (If you cannot use the update site, a downloadable local update site is available: zipfile, sha1sum)
在Eclipse中选择Help->Install new Software
添加插件下载链接安装后，会提示重新启动Eclipse