目前spring官网(http://spring.io/tools/sts/all)上可下载的spring插件只有：springsource-tool-suite-3.8.4(sts-3.8.4)。但这只针对指定的eclipse版本适用。
sts-3.8.3的下载地址：http://download.springsource.com/release/TOOLS/update/3.8.3.RELEASE/e4.6/springsource-tool-suite-3.8.3.RELEASE-e4.6.2-updatesite.zip
sts-3.8.2的下载地址：http://download.springsource.com/release/TOOLS/update/3.8.2.RELEASE/e4.6/springsource-tool-suite-3.8.2.RELEASE-e4.6.1-updatesite.zip
sts-3.8.1的下载地址：http://download.springsource.com/release/TOOLS/update/3.8.1.RELEASE/e4.6/springsource-tool-suite-3.8.1.RELEASE-e4.6-updatesite.zip
sts-3.8.0的下载地址：http://download.springsource.com/release/TOOLS/update/3.8.0.RELEASE/e4.6/springsource-tool-suite-3.8.0.RELEASE-e4.6-updatesite.zip
sts-3.7.3的下载地址：http://download.springsource.com/release/TOOLS/update/3.7.3.RELEASE/e4.5/springsource-tool-suite-3.7.3.RELEASE-e4.5.2-updatesite.zip
sts-3.7.2的下载地址：http://download.springsource.com/release/TOOLS/update/3.7.2.RELEASE/e4.5/springsource-tool-suite-3.7.2.RELEASE-e4.5.1-updatesite.zip
sts-3.7.1的下载地址：http://download.springsource.com/release/TOOLS/update/3.7.1.RELEASE/e4.5/springsource-tool-suite-3.7.1.RELEASE-e4.5.1-updatesite.zip
sts-3.7.0的下载地址：http://download.springsource.com/release/TOOLS/update/3.7.0.RELEASE/e4.5/springsource-tool-suite-3.7.0.RELEASE-e4.5-updatesite.zip
sts-3.6.4的下载地址：http://download.springsource.com/release/TOOLS/update/3.6.4.RELEASE/e4.4/springsource-tool-suite-3.6.4.RELEASE-e4.4.2-updatesite.zip
sts-3.6.3.SR1的下载地址：http://download.springsource.com/release/TOOLS/update/3.6.3.SR1/e4.4/springsource-tool-suite-3.6.3.SR1-e4.4.1-updatesite.zip
sts-3.6.3.RELEASE : http://download.springsource.com/release/TOOLS/update/3.6.3.RELEASE/e4.4/springsource-tool-suite-3.6.3.RELEASE-e4.4.1-updatesite.zip
sts-3.6.2的下载地址：http://download.springsource.com/release/TOOLS/update/3.6.2.RELEASE/e4.4/springsource-tool-suite-3.6.2.RELEASE-e4.4.1-updatesite.zip
sts-3.6.1的下载地址：http://download.springsource.com/release/TOOLS/update/3.6.1.RELEASE/e4.4/springsource-tool-suite-3.6.1.RELEASE-e4.4-updatesite.zip
sts-3.6.0的下载地址：http://download.springsource.com/release/TOOLS/update/3.6.0.RELEASE/e4.4/springsource-tool-suite-3.6.0.RELEASE-e4.4-updatesite.zip
sts-3.5.1：http://download.springsource.com/release/TOOLS/update/3.5.1.RELEASE/e4.3/springsource-tool-suite-3.5.1.RELEASE-e4.3.2-updatesite.zip
sts-3.5.1：http://download.springsource.com/release/TOOLS/update/3.5.1.RELEASE/e3.8/springsource-tool-suite-3.5.1.RELEASE-e3.8.2-updatesite.zip
sts-3.5.0：http://download.springsource.com/release/TOOLS/update/3.5.0.RELEASE/e4.3/springsource-tool-suite-3.5.0.RELEASE-e4.3.2-updatesite.zip
sts-3.5.0：http://download.springsource.com/release/TOOLS/update/3.5.0.RELEASE/e3.8/springsource-tool-suite-3.5.0.RELEASE-e3.8.2-updatesite.zip
sts-3.4.0：http://download.springsource.com/release/TOOLS/update/3.4.0.RELEASE/e4.3/springsource-tool-suite-3.4.0.RELEASE-e4.3.1-updatesite.zip
sts-3.4.0：http://download.springsource.com/release/TOOLS/update/3.4.0.RELEASE/e3.8/springsource-tool-suite-3.4.0.RELEASE-e3.8.2-updatesite.zip
sts-3.3.0：http://download.springsource.com/release/TOOLS/update/3.3.0.RELEASE/e4.3/springsource-tool-suite-3.3.0.RELEASE-e4.3-updatesite.zip
sts-3.3.0：http://download.springsource.com/release/TOOLS/update/3.3.0.RELEASE/e3.8/springsource-tool-suite-3.3.0.RELEASE-e3.8.2-updatesite.zip
sts-3.2.0：http://download.springsource.com/release/TOOLS/update/3.2.0.RELEASE/e3.8/springsource-tool-suite-3.2.0.RELEASE-e3.8.2-updatesite.zip
sts-3.2.0：http://download.springsource.com/release/TOOLS/update/3.2.0.RELEASE/e4.2/springsource-tool-suite-3.2.0.RELEASE-e4.2.2-updatesite.zip
sts-3.1.0：http://download.springsource.com/release/TOOLS/update/3.1.0.RELEASE/e3.8/springsource-tool-suite-3.1.0.RELEASE-e3.8-updatesite.zip
sts-3.1.0：http://download.springsource.com/release/TOOLS/update/3.1.0.RELEASE/e4.2/springsource-tool-suite-3.1.0.RELEASE-e4.2-updatesite.zip
sts-3.0.0的下载地址：http://download.springsource.com/release/TOOLS/update/3.0.0.RELEASE/e4.2/springsource-tool-suite-3.0.0.RELEASE-e4.2-updatesite.zip
sts-2.9.2的下载地址：http://download.springsource.com/release/TOOLS/update/2.9.2.RELEASE/e3.7/springsource-tool-suite-2.9.2.RELEASE-e3.7.2-updatesite.zip
sts-2.9.1的下载地址：http://download.springsource.com/release/TOOLS/update/2.9.1.RELEASE/e3.7/springsource-tool-suite-2.9.1.RELEASE-e3.7.2-updatesite.zip
sts-2.9.0的下载地址：http://download.springsource.com/release/TOOLS/update/2.9.0.RELEASE/e3.7/springsource-tool-suite-2.9.0.RELEASE-e3.7.2-updatesite.zip
sts-2.8.1的下载地址：http://download.springsource.com/release/TOOLS/update/2.8.1.RELEASE/e3.7/springsource-tool-suite-2.8.1.RELEASE-e3.7.1-updatesite.zip
sts-2.8.0的下载地址：http://download.springsource.com/release/TOOLS/update/2.8.0.RELEASE/e3.7/springsource-tool-suite-2.8.0.RELEASE-e3.7.1-updatesite.zip
sts-2.7.2的下载地址：http://download.springsource.com/release/TOOLS/update/2.7.2.RELEASE/e3.7/springsource-tool-suite-2.7.2.RELEASE-e3.7-updatesite.zip
sts-2.7.1的下载地址：http://download.springsource.com/release/TOOLS/update/2.7.1.RELEASE/e3.7/springsource-tool-suite-2.7.1.RELEASE-e3.7-updatesite.zip
sts-2.7.0的下载地址：http://download.springsource.com/release/TOOLS/update/2.7.0.RELEASE/e3.7/springsource-tool-suite-2.7.0.RELEASE-e3.7-updatesite.zip
本机eclipse版本为：
下载对应为：sts-3.8.0