1：配置环境变量
GO111MODULE=on
GOPATH=D:gopath
GOPROXY=https://goproxy.io
2：查看环境变量信息
3：在VSCode中安装Go插件
4：在VSCode中安装Go依赖包
然后全选点击“OK”
安装过程
go.toolsGopath setting is not set. Using GOPATH D:gopath
Installing 17 tools at D:gopathin in module mode.
gocode
gopkgs
go-outline
go-symbols
guru
gorename
gotests
gomodifytags
impl
fillstruct
goplay
godoctor
dlv
gocode-gomod
godef
goreturns
golint
Installing github.com/mdempsky/gocode SUCCEEDED
Installing github.com/uudashr/gopkgs/v2/cmd/gopkgs SUCCEEDED
Installing github.com/ramya-rao-a/go-outline SUCCEEDED
Installing github.com/acroca/go-symbols SUCCEEDED
Installing golang.org/x/tools/cmd/guru SUCCEEDED
Installing golang.org/x/tools/cmd/gorename SUCCEEDED
Installing github.com/cweill/gotests/... SUCCEEDED
Installing github.com/fatih/gomodifytags SUCCEEDED
Installing github.com/josharian/impl SUCCEEDED
Installing github.com/davidrjenni/reftools/cmd/fillstruct SUCCEEDED
Installing github.com/haya14busa/goplay/cmd/goplay SUCCEEDED
Installing github.com/godoctor/godoctor SUCCEEDED
Installing github.com/go-delve/delve/cmd/dlv SUCCEEDED
Installing github.com/stamblerre/gocode SUCCEEDED
Installing github.com/rogpeppe/godef SUCCEEDED
Installing github.com/sqs/goreturns SUCCEEDED
Installing golang.org/x/lint/golint SUCCEEDED
All tools successfully installed. You are ready to Go :).