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| package validator
import (
"fmt"
"github.com/gin-gonic/gin/binding"
"github.com/go-playground/locales/en"
"github.com/go-playground/locales/zh"
ut "github.com/go-playground/universal-translator"
"github.com/go-playground/validator/v10"
enTranslations "github.com/go-playground/validator/v10/translations/en"
zhTranslations "github.com/go-playground/validator/v10/translations/zh"
)
// validator 翻译器
// 定义一个全局的翻译器 trans
var trans ut.Translator
// 初始化翻译器
func InitTrans(locale string) (err error) {
// 更改Gin框架中validator引擎的属性,实现翻译
if v, ok := binding.Validator.Engine().(*validator.Validate); ok {
// 注册一个获取 json tag 的自定义方法
v.RegisterTagNameFunc(func(field reflect.StructField) string {
name := strings.SplitN(field.Tag.Get("json"), ",", 2)[0]
if name == "-" {
return ""
}
return name
})
// 中文
zhT := zh.New()
// 英文
enT := en.New()
uni := ut.New(enT, zhT, enT)
// locale 取决于 http 请求中的 'Accept-Language' 决定
var ok bool
trans, ok = uni.GetTranslator(locale)
if !ok {
return fmt.Errorf("uni.GetTranslator(%s) Failed", locale)
}
// 注册翻译器
switch locale {
case "en":
err = enTranslations.RegisterDefaultTranslations(v, trans)
case "zh":
err = zhTranslations.RegisterDefaultTranslations(v, trans)
default:
err = enTranslations.RegisterDefaultTranslations(v, trans)
}
return
}
return
}
|