54 lines
1.3 KiB
Go
54 lines
1.3 KiB
Go
package utils
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import (
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"reflect"
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"github.com/go-playground/locales/zh_Hans_CN"
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unTrans "github.com/go-playground/universal-translator"
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"github.com/go-playground/validator/v10"
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zhTrans "github.com/go-playground/validator/v10/translations/zh"
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)
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var Validator = new(ValidateUtil)
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type ValidateUtil struct{}
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var (
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uni *unTrans.UniversalTranslator
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validate *validator.Validate
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)
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// Validate 返回验证错误信息, 为 "" 则无错误
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func (v *ValidateUtil) Validate(data any) string {
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// 验证对象
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validate = validator.New()
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// 翻译器
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trans := v.validateTransInit(validate)
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err := validate.Struct(data)
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if err != nil {
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for _, e := range err.(validator.ValidationErrors) {
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return e.Translate(trans)
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}
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}
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return ""
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}
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// validateTransInit 数据验证翻译器
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func (*ValidateUtil) validateTransInit(validate *validator.Validate) unTrans.Translator {
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// 万能翻译器，保存所有的语言环境和翻译数据
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uni = unTrans.New(zh_Hans_CN.New())
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// 翻译器
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trans, _ := uni.GetTranslator("zh_Hans_CN")
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// 验证器注册翻译器
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_ = zhTrans.RegisterDefaultTranslations(validate, trans)
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// 读取 Tag 中的 label 标签为字段的翻译
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validate.RegisterTagNameFunc(func(field reflect.StructField) string {
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return field.Tag.Get("label")
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})
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return trans
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}
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