【問題】安裝gocode命令：sudo go get github.com/nsf/gocode，出現(xiàn)錯誤提示：

package github.com/nsf/gocode: cannot download, $GOPATH not set. For more details see: go help gopath

GOARCH="amd64"
GOBIN="/usr/local/go/bin"
GOCHAR="6"
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOOS="darwin"
GOPATH="/Users/kyle/go"
GORACE=""
GOROOT="/usr/local/go"
GOTOOLDIR="/usr/local/go/pkg/tool/darwin_amd64"
CC="clang"
GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fno-common"
CXX="clang++"
CGO_ENABLED="1"

【解決方案】

sudo env GOPATH=/Users/kyle/go go get github.com/nsf/gocode

【問題】

sudo go install github.com/nsf/gocode

can't load package: package github.com/nsf/gocode: cannot find package "github.com/nsf/gocode" in any of:
    /usr/local/go/src/github.com/nsf/gocode (from $GOROOT)
    ($GOPATH not set)

【解決方案】

sudo env GOPATH=/Users/kyle/go go install github.com/nsf/gocode