或者说eclipse下安装springsource-tool-suite,安装前一定要查看自己的eclipse版本。
网上有很多安装方法:在线安装、离线安装,Eclipse市场、将压缩包下载下来等等
eclipse各种版本对应:http://spring.io/tools/sts/legacy
Spring Tool Suite™ Downloads:http://spring.io/tools/sts/all/
几篇很有用的参考博文:
https://blog.csdn.net/u010203767/article/details/67655846
https://blog.csdn.net/u010203767/article/details/69211072
https://blog.csdn.net/sinat_27535209/article/details/52997998