chore: initial commit

internal/pkg/validator/validator.go

@@ -0,0 +1,66 @@
+package validator
+
+import (
+	"errors"
+	"reflect"
+
+	"github.com/go-playground/locales/zh"
+	ut "github.com/go-playground/universal-translator"
+	"github.com/go-playground/validator/v10"
+	zhtranslations "github.com/go-playground/validator/v10/translations/zh"
+)
+
+var (
+	trans    ut.Translator
+	validate *validator.Validate
+)
+
+func InitValidatorZh() {
+	langZh := zh.New()
+	uni := ut.New(langZh, langZh)
+	var found bool
+	trans, found = uni.GetTranslator("zh")
+
+	if !found {
+		panic("translator 'zh' not found")
+	}
+
+	err := zhtranslations.RegisterDefaultTranslations(validate, trans)
+	if err != nil {
+		panic("failed to register zh translations: " + err.Error())
+	}
+}
+
+func init() {
+	validate = validator.New()
+
+	// 注册自定义标签名称
+	validate.RegisterTagNameFunc(func(field reflect.StructField) string {
+		name := field.Tag.Get("json")
+		if name == "-" {
+			return ""
+		}
+		return name
+	})
+
+	// 初始化中文翻译器
+	InitValidatorZh()
+}
+
+func Translate(err error) []string {
+	var validateErrs validator.ValidationErrors
+	if errors.As(err, &validateErrs) {
+		messages := make([]string, 0, len(validateErrs))
+		for _, e := range validateErrs {
+			messages = append(messages, e.Translate(trans))
+		}
+		return messages
+	}
+
+	// 非校验错误 直接返回
+	return []string{err.Error()}
+}
+
+func Struct(s any) error {
+	return validate.Struct(s)
+}