type Validator
    func New() *Validator
    func (v *Validator) CheckMap(params interface{}) Error
    func (v *Validator) CheckStruct(object interface{}) Error
    func (v *Validator) CheckValue(value interface{}) Error
    func (v *Validator) Clone() *Validator
    func (v *Validator) Ctx(ctx context.Context) *Validator
    func (v *Validator) Data(data interface{}) *Validator
    func (v *Validator) I18n(i18nManager *gi18n.Manager) *Validator
    func (v *Validator) Messages(messages interface{}) *Validator
    func (v *Validator) Rules(rules interface{}) *Validator

err := g.Validator().Rules("min:60").Messages("考試不及格").CheckValue(16)
    fmt.Println(err.String()) //打印結(jié)果：考試不及格

package main
import (
   "fmt"
   "github.com/gogf/gf/frame/g"
)
func main() {
   data := g.Map{
      "password": "123", //這個(gè)的作用僅是定義了這個(gè)結(jié)構(gòu)設(shè)置了默認(rèn)值，并不代表著傳入了值
   }
   //Data()中的參數(shù)是需要進(jìn)行校驗(yàn)的數(shù)據(jù)集合，常用于map或者結(jié)構(gòu)體類(lèi)型。
   //CheckValue()是輸入的參數(shù)
   err := g.Validator().Data(data).Rules("required-with:password").Messages("請(qǐng)輸入確認(rèn)密碼").CheckValue("")
   if err != nil {
      fmt.Println("CheckValue傳入為空時(shí)：" + err.String()) // 請(qǐng)輸入確認(rèn)密碼
   } else {
      fmt.Println("CheckValue傳入為空時(shí)：校驗(yàn)通過(guò)")
   }
   err = g.Validator().Data(data).Rules("required-with:password").Messages("請(qǐng)輸入確認(rèn)密碼").CheckValue("1")
   if err != nil {
      fmt.Println("CheckValue傳入不為空時(shí)：" + err.String()) // 請(qǐng)輸入確認(rèn)密碼
   } else {
      fmt.Println("CheckValue傳入不為空時(shí)：校驗(yàn)通過(guò)")
   }
}

params := map[string]interface{}{
	"passport":  "",
	"password":  "wangzhongyang",
	"password2": "zhongyang",
}
rules := map[string]string{
	"passport":  "required|length:6,16",
	"password":  "required|length:6,16|same:password2",
	"password2": "required|length:6,16",
}
messages := map[string]interface{}{
	"passport": "賬號(hào)不能為空|賬號(hào)長(zhǎng)度應(yīng)當(dāng)在:min到:max之間",
	"password": map[string]string{
		"required": "密碼不能為空",
		"same":     "兩次密碼輸入不相等",
	},
}
err := g.Validator().Messages(messages).Rules(rules).CheckMap(params)
if err != nil {
	g.Dump(err.Maps())
}

{
    "passport": {
        "length": "賬號(hào)長(zhǎng)度應(yīng)當(dāng)在6到16之間",
        "required": "賬號(hào)不能為空"
    },
    "password": {
        "same": "兩次密碼輸入不相等"
    }
}

type User struct {
	Name string `v:"required#請(qǐng)輸入用戶姓名"`
	Type int    `v:"required#請(qǐng)選擇用戶類(lèi)型"`
}
data := g.Map{
	"name": "wangzhongyang",
}
user := User{}
if err := gconv.Scan(data, &user); err != nil {
	panic(err)
}
err := g.Validator().Data(data).CheckStruct(user)
if err != nil {
	fmt.Println(err.Items()) //[map[Type:map[required:請(qǐng)選擇用戶類(lèi)型]]]
}