mirror of
https://gitee.com/dromara/mayfly-go
synced 2025-11-12 20:30:25 +08:00
93 lines
2.3 KiB
Go
93 lines
2.3 KiB
Go
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package validatorx
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import (
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"mayfly-go/pkg/utils/structx"
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"reflect"
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"strings"
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"github.com/gin-gonic/gin/binding"
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"github.com/go-playground/locales/zh"
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ut "github.com/go-playground/universal-translator"
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"github.com/go-playground/validator/v10"
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zh_trans "github.com/go-playground/validator/v10/translations/zh"
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)
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var (
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trans ut.Translator
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)
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func Init() {
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// 获取gin的校验器
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validate, ok := binding.Validator.Engine().(*validator.Validate)
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if !ok {
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return
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}
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// 修改返回字段key的格式
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validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
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// 如果存在校验错误提示消息,则使用字段名,后续需要通过该字段名获取相应错误消息
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if _, ok := fld.Tag.Lookup("valid_msg"); ok {
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return fld.Name
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}
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name := strings.SplitN(fld.Tag.Get("json"), ",", 2)[0]
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if name == "-" {
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return ""
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}
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return name
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})
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// 注册翻译器
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zh := zh.New()
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uni := ut.New(zh, zh)
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trans, _ = uni.GetTranslator("zh")
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// 注册翻译器
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zh_trans.RegisterDefaultTranslations(validate, trans)
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// 注册自定义校验器
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validate.RegisterValidation(CustomPatternTagName, patternValidFunc)
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// 注册自定义正则校验规则
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RegisterCustomPatterns()
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}
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// Translate 翻译错误信息
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func Translate(data any, err error) map[string][]string {
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var result = make(map[string][]string)
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errors := err.(validator.ValidationErrors)
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for _, err := range errors {
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fieldName := err.Field()
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// 判断该字段是否设置了自定义的错误描述信息,存在则使用自定义错误信息进行提示
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if field, ok := structx.IndirectType(reflect.TypeOf(data)).FieldByName(fieldName); ok {
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if errMsg, ok := field.Tag.Lookup("valid_msg"); ok {
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result[fieldName] = append(result[fieldName], errMsg)
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break
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}
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}
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// 如果是自定义正则校验规则,则使用自定义的错误描述信息
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if err.Tag() == CustomPatternTagName {
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result[fieldName] = append(result[fieldName], fieldName+patternErrMsg[err.Param()])
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break
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}
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result[fieldName] = append(result[fieldName], err.Translate(trans))
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}
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return result
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}
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// Translate 翻译错误信息为字符串
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func Translate2Str(data any, err error) string {
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res := Translate(data, err)
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errMsgs := make([]string, 0)
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for _, v := range res {
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errMsgs = append(errMsgs, v...)
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}
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return strings.Join(errMsgs, ", ")
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}
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