package validator import ( "reflect" "sync" "github.com/gin-gonic/gin/binding" "github.com/go-playground/validator/v10" ) type DefaultValidator struct { once sync.Once validate *validator.Validate } var _ binding.StructValidator = &DefaultValidator{} func (v *DefaultValidator) ValidateStruct(obj interface{}) error { if kindOfData(obj) == reflect.Struct { v.lazyinit() if err := v.validate.Struct(obj); err != nil { return err } } return nil } func (v *DefaultValidator) Engine() interface{} { v.lazyinit() return v.validate } func (v *DefaultValidator) lazyinit() { v.once.Do(func() { v.validate = validator.New() v.validate.SetTagName("validate") _ = v.validate.RegisterValidation("phone", phone) _ = v.validate.RegisterValidation("idcard", idcard) _ = v.validate.RegisterValidation("chinesename", chinesename) }) } func kindOfData(data interface{}) reflect.Kind { value := reflect.ValueOf(data) valueType := value.Kind() if valueType == reflect.Ptr { valueType = value.Elem().Kind() } return valueType }