gohub/app/requests/signup_request.go

// Package: requests 处理请求数据和表单验证逻辑
package requests

import (
	"github.com/gin-gonic/gin"
	"github.com/thedevsaddam/govalidator"
)

type SignupPhoneExistRequest struct {
	Phone string `json:"phone,omitempty" valid:"phone"`
}

func ValidateSignupPhoneExist(data any, c *gin.Context) map[string][]string {

		// 自定义验证规则
		rules := govalidator.MapData{
			"phone": []string{"required", "digits:11"},
		}

		// 自定义错误信息
		messages := govalidator.MapData{
			"phone": []string{
				"required:手机号不能为空",
				"digits:手机号必须是11位数字",
			},
		}

		opts := govalidator.Options{
			Data:         data,
			Rules: 	 rules,
			TagIdentifier: "valid", // 使用结构体中的valid标签
			Messages:     messages,
		}

		// 执行验证
		return govalidator.New(opts).ValidateStruct()
}