/
translation.go
69 lines (56 loc) · 1.56 KB
/
translation.go
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package validator
import (
"reflect"
"github.com/go-playground/locales/zh"
"github.com/go-playground/universal-translator"
"github.com/go-playground/validator/v10"
zhtrans "github.com/go-playground/validator/v10/translations/zh"
"github.com/LonelyPale/goutils/errors"
)
type Language uint
const (
Invalid Language = iota
EN
ZH
)
func SetLanguageZH(v *validator.Validate) (ut.Translator, error) {
uni := ut.New(zh.New())
trans, found := uni.GetTranslator("zh")
if found {
return nil, errors.New("未找到中文翻译器")
}
v.RegisterTagNameFunc(func(field reflect.StructField) string {
label := field.Tag.Get("label")
if label == "" {
return field.Name
}
return label
})
//验证器注册翻译器
err := zhtrans.RegisterDefaultTranslations(v, trans)
if err != nil {
return nil, err
}
return trans, nil
}
func Translate(err error, trans ut.Translator) error {
errs, ok := err.(validator.ValidationErrors)
if !ok {
return err
}
errList := make(ValidationErrors, 0)
for _, e := range errs {
// can translate each error one at a time.
//todo: 前面Validate(obj interface{}, tags ...string) error内已反射获取过type,向后传可拿到json tag,就不用业务端再处理标签名了
errList = append(errList, NewFieldError(e.StructField(), e.Translate(trans)))
}
return errList
//v1: 直接拼接错误字符串
//var errList []string
//for _, e := range errs {
// // can translate each error one at a time.
// errList = append(errList, e.Translate(trans))
//}
//
//return errors.New(strings.Join(errList, "|"))
}