exhibition-main/pkg/utils/validator.go
2024-01-31 17:04:43 +08:00

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package utils
import (
"fmt"
"reflect"
"strings"
"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"
)
var Trans ut.Translator
// InitTrans 初始化翻译器
func InitTrans(locale string) (err error) {
// 修改gin框架中的Validator引擎属性实现自定制
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(fld reflect.StructField) string {
name := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]
if name == "-" {
return ""
}
return name
})
// 为SignUpParam注册自定义校验方法
zhT := zh.New() // 中文翻译器
enT := en.New() // 英文翻译器
uni := ut.New(enT, zhT, enT)
var ok bool
// 也可以使用 uni.FindTranslator(...) 传入多个locale进行查找
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
}
// RemoveTopStruct 去除提示信息中的结构体名称
func RemoveTopStruct(fields map[string]string) map[string]string {
res := map[string]string{}
for field, err := range fields {
res[field[strings.Index(field, ".")+1:]] = err
}
return res
}