go 参数校验，并且返回翻译成中文提示

package main

import (
	"errors"
	"fmt"
	"github.com/gin-gonic/gin"
	"github.com/go-playground/locales/zh"
	ut "github.com/go-playground/universal-translator"
	"github.com/go-playground/validator/v10"
	zh_translations "github.com/go-playground/validator/v10/translations/zh"
	"github.com/xuri/excelize/v2"
	"net/http"
	"reflect"
	"time"
)

type PublishDistributionController struct {
	controller.BaseController
}

// ValidateData 全局model数据验证器
func Validate(dataStruct interface{}) error {

	//验证
	zh_ch := zh.New()
	validate := validator.New()
	//注册一个函数，获取struct tag里自定义的label作为字段名
	validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
		name := fld.Tag.Get("label")
		return name
	})

	uni := ut.New(zh_ch)
	trans, _ := uni.GetTranslator("zh")
	//验证器注册翻译器
	zh_translations.RegisterDefaultTranslations(validate, trans)
	err := validate.Struct(dataStruct)
	if err != nil {
		for _, err := range err.(validator.ValidationErrors) {
			return errors.New(err.Translate(trans))
		}
	}
	return nil
}


//验证请求参数 
type PublishDistributionParam struct{
	Sku        string          `form:"sku" json:"sku" binding:"required" validate:"required" label:"sku"`
	Spu        string          `json:"spu" validate:"omitempty" label:"spu"`
	SkuName    string          `json:"sku_name" validate:"omitempty" label:"sku名称"`
	CatIdOne   int             `json:"cat_id_one" validate:"omitempty" label:"cat_id"`
	ShopId     string          `json:"shop_id" validate:"omitempty" label:"店铺id"`
	IsPublish  string          `json:"is_publish" validate:"omitempty" label:"是否刊登"`
	DistriGroupId int  `json:"distri_group_id" validate:"omitempty" label:"分组id"`
	DistriSeller string  `json:"distri_seller" validate:"omitempty" label:"分组销售员"`
	DoneAtStart  time.Time  `json:"done_at_start" validate:"omitempty" label:"开始时间"`
	DoneAtEnd  time.Time  `json:"done_at_end" validate:"omitempty" label:"结束时间"`
	PageNum  string   `json:"page_num"  binding:"required"`
	PageSize  string   `json:"page_size"  binding:"required"`
}

func () main(context *gin.Context){
	defer common.Recover(context)
	//res := new(listResponse)

	Sku     := context.Query("sku")
	Spu     := context.Query("spu")
	SkuName := context.Query("sku_name")
	CatIdOne := context.GetInt("cat_id_one")
	ShopId := context.Query("shop_id")
	IsPublish := context.Query("is_publish")
	DistriGroupId :=context.GetInt("distri_group_id")
	DistriSeller :=context.Query("distri_seller")
	DoneAtStart :=context.GetTime("done_at_start")
	DoneAtEnd :=context.GetTime("done_at_end")
	page_num := context.DefaultQuery("page_num","1")
	page_size := context.DefaultQuery("page_size","10")
	PublishDistributionParam :=&PublishDistributionParam{
		Sku:Sku,
		Spu:Spu,
		SkuName:SkuName,
		CatIdOne:CatIdOne,
		ShopId:ShopId,
		IsPublish:IsPublish,
		DistriGroupId:DistriGroupId,
		DistriSeller:DistriSeller,
		DoneAtStart:DoneAtStart,
		DoneAtEnd:DoneAtEnd,
		PageNum:page_num,
		PageSize:page_size,
	}
	if err :=Validate(PublishDistributionParam); err!=nil{
		context.JSON(http.StatusInternalServerError, gin.H{"code": 5000,"msg": err.Error()})
		return
	}




	res:=map[string]int{
		"ssss":11,
		"kkk":22,
	}
	context.JSON(200, gin.H{
		"code":   200,
		"msg":    "ok",
		"result": res,
	})
}