1）安装gocode
go get -u -v github.com/nsf/gocode
2）安装godef
go get -u -v github.com/rogpeppe/godef
3）安装golint
go get -u -v github.com/golang/lint/golint
4）安装go-find-references
go get -u -v github.com/lukehoban/go-find-references
5）安装go-outline
go get -u -v github.com/lukehoban/go-outline
6）安装goreturns
go get -u -v sourcegraph.com/sqs/goreturns
7）安装gorename
go get -u -v golang.org/x/tools/cmd/gorename
8）安装delve
go get -u -v github.com/derekparker/delve/cmd/dlv