运行结果： liuxinmingdeMacBook-Pro:gotest liuxinming$ go env GOARCH="amd64" GOBIN="" GOCHAR="6" GOEXE="" GOHOSTARCH="amd64" GOHOSTOS="darwin" GOOS="darwin" GOPATH="/Users/liuxinming/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" ===========华丽分割线=============== liuxinmingdeMacBook-Pro:gotest liuxinming$ go version go version go1.4 darwin/amd64 liuxinmingdeMacBook-Pro:gotest liuxinming$