HTTP服务的控制器由gf gen ctrl生成，微服务也有控制器，由gf gen pb生成。

$ gf gen pb

gen pb命令需要各类依赖都正常。如果执行成功，会生成若干go文件。我们只需要关注控制器文件即可，其他由框架维护。后续的开发过程，和HTTP服务一样——调用logic。

app/user/internal/controller/account/account.go

package account  
  
import (  
    "context"  
  
    "google.golang.org/protobuf/types/known/timestamppb"
    v1 "proxima/app/user/api/account/v1"
    "proxima/app/user/api/pbentity"
    "proxima/app/user/internal/logic/account"  
    "github.com/gogf/gf/contrib/rpc/grpcx/v2"
)  
  
type Controller struct {  
    v1.UnimplementedAccountServer  
}  
  
func Register(s *grpcx.GrpcServer) {  
    v1.RegisterAccountServer(s.Server, &Controller{})  
}  
  
func (*Controller) UserRegister(ctx context.Context, req *v1.UserRegisterReq) (res *v1.UserRegisterRes, err error) {  
    id, err := account.Register(ctx)  
    if err != nil {  
       return nil, err  
    }  
    return &v1.UserRegisterRes{  
       Id: int32(id),  
    }, nil  
}  
  
func (*Controller) UserLogin(ctx context.Context, req *v1.UserLoginReq) (res *v1.UserLoginRes, err error) {  
    token, err := account.Login(ctx)  
    if err != nil {  
       return nil, err  
    }  
    return &v1.UserLoginRes{  
       Token: token,  
    }, nil  
}  
  
func (*Controller) UserInfo(ctx context.Context, req *v1.UserInfoReq) (res *v1.UserInfoRes, err error) {  
    data, err := account.Info(ctx, req.Token)  
    if err != nil {  
       return nil, err  
    }  
    return &v1.UserInfoRes{  
       User: &pbentity.Users{  
          Id:        uint32(data.Id),  
          Username:  data.Username,  
          Password:  data.Password,  
          Email:     data.Email,  
          CreatedAt: timestamppb.New(data.CreatedAt.Time),  
          UpdatedAt: timestamppb.New(data.UpdatedAt.Time),  
       },  
    }, nil  
}