ZhiLun1213: 为什么到了 go install 时无法安装了 [code=plain] main.go:28:2: cannot find package "google.golang.org/protobuf/cmd/protoc-gen-go/internal_gengo" in any of: C:\Program Files\Go\src\google.golang.org\protobuf\cmd\protoc-gen-go\internal_gengo (from $GOROOT) D:\GoWorks\src\google.golang.org\protobuf\cmd\protoc-gen-go\internal_gengo (from $GOPATH) ..\internal\gengogrpc\grpc.go:13:2: cannot find package "google.golang.org/protobuf/compiler/protogen" in any of: C:\Program Files\Go\src\google.golang.org\protobuf\compiler\protogen (from $GOROOT) D:\GoWorks\src\google.golang.org\protobuf\compiler\protogen (from $GOPATH) ..\internal\gengogrpc\grpc.go:15:2: cannot find package "google.golang.org/protobuf/types/descriptorpb" in any of: C:\Program Files\Go\src\google.golang.org\protobuf\types\descriptorpb (from $GOROOT) D:\GoWorks\src\google.golang.org\protobuf\types\descriptorpb (from $GOPATH) [/code]