add GetValidate func to get the default validator (#558)

* add GetValidate func to get the default validator

* warden server expose GetValidate func

Co-authored-by: John Sun <sunqiang@styd.cn>

pkg/net/http/blademaster/binding/binding.go

@@ -37,6 +37,9 @@ type StructValidator interface {
 	// NOTE: if the key already exists, the previous validation function will be replaced.
 	// NOTE: this method is not thread-safe it is intended that these all be registered prior to any validation
 	RegisterValidation(string, validator.Func) error
+
+	//GetValidate return the default validate
+	GetValidate() *validator.Validate
 }
 
 // Validator default validator.

pkg/net/http/blademaster/binding/default_validator.go

@@ -43,3 +43,8 @@ func kindOfData(data interface{}) reflect.Kind {
 	}
 	return valueType
 }
+
+func (v *defaultValidator) GetValidate() *validator.Validate {
+	v.lazyinit()
+	return v.validate
+}

pkg/net/rpc/warden/validate.go

@@ -29,3 +29,8 @@ func (s *Server) validate() grpc.UnaryServerInterceptor {
 func (s *Server) RegisterValidation(key string, fn validator.Func) error {
 	return validate.RegisterValidation(key, fn)
 }
+
+//GetValidate return the default validate
+func (s *Server) GetValidate() *validator.Validate {
+	return validate
+}