refine goctl rpc generator

tools/goctl/rpc/gen/genconfig.go

@@ -0,0 +1,27 @@
+package gogen
+
+import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
+	"github.com/tal-tech/go-zero/tools/goctl/util"
+)
+
+const configTemplate = `package config
+
+import "github.com/tal-tech/go-zero/rpcx"
+
+type Config struct {
+	rpcx.RpcServerConf
+}
+`
+
+func (g *defaultRpcGenerator) genConfig() error {
+	configPath := g.dirM[dirConfig]
+	fileName := filepath.Join(configPath, fileConfig)
+	if util.FileExists(fileName) {
+		return nil
+	}
+	return ioutil.WriteFile(fileName, []byte(configTemplate), os.ModePerm)
+}