1.help-->install new software;
2.点开后在work with点击向下箭头,选中Mars - http://download.eclipse.org/releases/mars,稍等片刻;
3.在下方name找到Collaboration;
4.展开Collaboration,如下图选中;
5.然后一路next,遇到yes点yes,遇到ok点ok,中间eclipse会重启;
6.重启eclipse后还需安装svn connector,windows-->Preferences-->Team-->SVN-->SVN Connector-->SVNKit;