gf/util/gvalid/gvalid_z_example_test.go

// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.

package gvalid_test

import (
	"context"
	"errors"
	"fmt"
	"math"
	"reflect"

	"github.com/gogf/gf/v2/container/gvar"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/os/gctx"
	"github.com/gogf/gf/v2/text/gstr"
	"github.com/gogf/gf/v2/util/gconv"
	"github.com/gogf/gf/v2/util/gvalid"
)

func ExampleCheckMap() {
	params := map[string]interface{}{
		"passport":  "",
		"password":  "123456",
		"password2": "1234567",
	}
	rules := []string{
		"passport@required|length:6,16#账号不能为空|账号长度应当在{min}到{max}之间",
		"password@required|length:6,16|same{password}2#密码不能为空|密码长度应当在{min}到{max}之间|两次密码输入不相等",
		"password2@required|length:6,16#",
	}
	if e := gvalid.CheckMap(gctx.New(), params, rules); e != nil {
		fmt.Println(e.Map())
		fmt.Println(e.FirstItem())
		fmt.Println(e.FirstError())
	}
	// May Output:
	// map[required:账号不能为空 length:账号长度应当在6到16之间]
	// passport map[required:账号不能为空 length:账号长度应当在6到16之间]
	// 账号不能为空
}

func ExampleCheckMap2() {
	params := map[string]interface{}{
		"passport":  "",
		"password":  "123456",
		"password2": "1234567",
	}
	rules := []string{
		"passport@length:6,16#账号不能为空|账号长度应当在{min}到{max}之间",
		"password@required|length:6,16|same:password2#密码不能为空|密码长度应当在{min}到{max}之间|两次密码输入不相等",
		"password2@required|length:6,16#",
	}
	if e := gvalid.CheckMap(gctx.New(), params, rules); e != nil {
		fmt.Println(e.Map())
		fmt.Println(e.FirstItem())
		fmt.Println(e.FirstError())
	}
	// Output:
	// map[same:两次密码输入不相等]
	// password map[same:两次密码输入不相等]
	// 两次密码输入不相等
}

// Empty string attribute.
func ExampleCheckStruct() {
	type Params struct {
		Page      int    `v:"required|min:1         # page is required"`
		Size      int    `v:"required|between:1,100 # size is required"`
		ProjectId string `v:"between:1,10000        # project id must between {min}, {max}"`
	}
	obj := &Params{
		Page: 1,
		Size: 10,
	}
	err := gvalid.CheckStruct(gctx.New(), obj, nil)
	fmt.Println(err == nil)
	// Output:
	// true
}

// Empty pointer attribute.
func ExampleCheckStruct2() {
	type Params struct {
		Page      int       `v:"required|min:1         # page is required"`
		Size      int       `v:"required|between:1,100 # size is required"`
		ProjectId *gvar.Var `v:"between:1,10000        # project id must between {min}, {max}"`
	}
	obj := &Params{
		Page: 1,
		Size: 10,
	}
	err := gvalid.CheckStruct(gctx.New(), obj, nil)
	fmt.Println(err == nil)
	// Output:
	// true
}

// Empty integer attribute.
func ExampleCheckStruct3() {
	type Params struct {
		Page      int `v:"required|min:1         # page is required"`
		Size      int `v:"required|between:1,100 # size is required"`
		ProjectId int `v:"between:1,10000        # project id must between {min}, {max}"`
	}
	obj := &Params{
		Page: 1,
		Size: 10,
	}
	err := gvalid.CheckStruct(gctx.New(), obj, nil)
	fmt.Println(err)
	// Output:
	// project id must between 1, 10000
}

func ExampleRegisterRule() {
	type User struct {
		Id   int
		Name string `v:"required|unique-name # 请输入用户名称|用户名称已被占用"`
		Pass string `v:"required|length:6,18"`
	}
	user := &User{
		Id:   1,
		Name: "john",
		Pass: "123456",
	}

	rule := "unique-name"
	gvalid.RegisterRule(rule, func(ctx context.Context, in gvalid.RuleFuncInput) error {
		var (
			id   = in.Data.Val().(*User).Id
			name = gconv.String(in.Value)
		)
		n, err := g.Model("user").Where("id != ? and name = ?", id, name).Count()
		if err != nil {
			return err
		}
		if n > 0 {
			return errors.New(in.Message)
		}
		return nil
	})
	err := gvalid.CheckStruct(gctx.New(), user, nil)
	fmt.Println(err.Error())
	// May Output:
	// 用户名称已被占用
}

func ExampleRegisterRule_OverwriteRequired() {
	rule := "required"
	gvalid.RegisterRule(rule, func(ctx context.Context, in gvalid.RuleFuncInput) error {
		reflectValue := reflect.ValueOf(in.Value.Val())
		if reflectValue.Kind() == reflect.Ptr {
			reflectValue = reflectValue.Elem()
		}
		isEmpty := false
		switch reflectValue.Kind() {
		case reflect.Bool:
			isEmpty = !reflectValue.Bool()
		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
			isEmpty = reflectValue.Int() == 0
		case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
			isEmpty = reflectValue.Uint() == 0
		case reflect.Float32, reflect.Float64:
			isEmpty = math.Float64bits(reflectValue.Float()) == 0
		case reflect.Complex64, reflect.Complex128:
			c := reflectValue.Complex()
			isEmpty = math.Float64bits(real(c)) == 0 && math.Float64bits(imag(c)) == 0
		case reflect.String, reflect.Map, reflect.Array, reflect.Slice:
			isEmpty = reflectValue.Len() == 0
		}
		if isEmpty {
			return errors.New(in.Message)
		}
		return nil
	})
	fmt.Println(gvalid.CheckValue(gctx.New(), "", "required", "It's required"))
	fmt.Println(gvalid.CheckValue(gctx.New(), 0, "required", "It's required"))
	fmt.Println(gvalid.CheckValue(gctx.New(), false, "required", "It's required"))
	gvalid.DeleteRule(rule)
	fmt.Println("rule deleted")
	fmt.Println(gvalid.CheckValue(gctx.New(), "", "required", "It's required"))
	fmt.Println(gvalid.CheckValue(gctx.New(), 0, "required", "It's required"))
	fmt.Println(gvalid.CheckValue(gctx.New(), false, "required", "It's required"))
	// Output:
	// It's required
	// It's required
	// It's required
	// rule deleted
	// It's required
	// <nil>
	// <nil>
}

func ExampleValidator_Rules() {
	data := g.Map{
		"password": "123",
	}
	err := g.Validator().Data(data).
		Rules("required-with:password").
		Messages("请输入确认密码").
		CheckValue(gctx.New(), "")
	fmt.Println(err.String())

	// Output:
	// 请输入确认密码
}

func ExampleValidator_CheckValue() {
	err := g.Validator().Rules("min:18").
		Messages("未成年人不允许注册哟").
		CheckValue(gctx.New(), 16)
	fmt.Println(err.String())

	// Output:
	// 未成年人不允许注册哟
}

func ExampleValidator_CheckMap() {
	params := map[string]interface{}{
		"passport":  "",
		"password":  "123456",
		"password2": "1234567",
	}
	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": "账号不能为空|账号长度应当在{min}到{max}之间",
		"password": map[string]string{
			"required": "密码不能为空",
			"same":     "两次密码输入不相等",
		},
	}
	err := g.Validator().
		Messages(messages).
		Rules(rules).
		CheckMap(gctx.New(), params)
	if err != nil {
		g.Dump(err.Maps())
	}

	// May Output:
	// {
	//	"passport": {
	//	"length": "账号长度应当在6到16之间",
	//		"required": "账号不能为空"
	// },
	//	"password": {
	//	"same": "两次密码输入不相等"
	// }
	// }
}

func ExampleValidator_CheckStruct() {
	type User struct {
		Name string `v:"required#请输入用户姓名"`
		Type int    `v:"required#请选择用户类型"`
	}
	data := g.Map{
		"name": "john",
	}
	user := User{}
	if err := gconv.Scan(data, &user); err != nil {
		panic(err)
	}
	err := g.Validator().Data(data).CheckStruct(gctx.New(), user)
	if err != nil {
		fmt.Println(err.Items())
	}

	// Output:
	// [map[Type:map[required:请选择用户类型]]]
}

func ExampleValidator_Required() {
	type BizReq struct {
		ID   uint   `v:"required"`
		Name string `v:"required"`
	}
	var (
		ctx = context.Background()
		req = BizReq{
			ID: 1,
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Println(err)
	}

	// Output:
	// The Name field is required
}

func ExampleValidator_RequiredIf() {
	type BizReq struct {
		ID          uint   `v:"required" dc:"Your ID"`
		Name        string `v:"required" dc:"Your name"`
		Gender      uint   `v:"in:0,1,2" dc:"0:Secret;1:Male;2:Female"`
		WifeName    string `v:"required-if:gender,1"`
		HusbandName string `v:"required-if:gender,2"`
	}
	var (
		ctx = context.Background()
		req = BizReq{
			ID:     1,
			Name:   "test",
			Gender: 1,
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Println(err)
	}

	// Output:
	// The WifeName field is required
}

func ExampleValidator_RequiredUnless() {
	type BizReq struct {
		ID          uint   `v:"required" dc:"Your ID"`
		Name        string `v:"required" dc:"Your name"`
		Gender      uint   `v:"in:0,1,2" dc:"0:Secret;1:Male;2:Female"`
		WifeName    string `v:"required-unless:gender,0,gender,2"`
		HusbandName string `v:"required-unless:id,0,gender,2"`
	}
	var (
		ctx = context.Background()
		req = BizReq{
			ID:     1,
			Name:   "test",
			Gender: 1,
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Println(err)
	}

	// Output:
	// The WifeName field is required; The HusbandName field is required
}

func ExampleValidator_RequiredWith() {
	type BizReq struct {
		ID          uint   `v:"required" dc:"Your ID"`
		Name        string `v:"required" dc:"Your name"`
		Gender      uint   `v:"in:0,1,2" dc:"0:Secret;1:Male;2:Female"`
		WifeName    string
		HusbandName string `v:"required-with:WifeName"`
	}
	var (
		ctx = context.Background()
		req = BizReq{
			ID:       1,
			Name:     "test",
			Gender:   1,
			WifeName: "Ann",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Println(err)
	}

	// Output:
	// The HusbandName field is required
}

func ExampleValidator_RequiredWithAll() {
	type BizReq struct {
		ID          uint   `v:"required" dc:"Your ID"`
		Name        string `v:"required" dc:"Your name"`
		Gender      uint   `v:"in:0,1,2" dc:"0:Secret;1:Male;2:Female"`
		WifeName    string
		HusbandName string `v:"required-with-all:Id,Name,Gender,WifeName"`
	}
	var (
		ctx = context.Background()
		req = BizReq{
			ID:       1,
			Name:     "test",
			Gender:   1,
			WifeName: "Ann",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Println(err)
	}

	// Output:
	// The HusbandName field is required
}

func ExampleValidator_RequiredWithout() {
	type BizReq struct {
		ID          uint   `v:"required" dc:"Your ID"`
		Name        string `v:"required" dc:"Your name"`
		Gender      uint   `v:"in:0,1,2" dc:"0:Secret;1:Male;2:Female"`
		WifeName    string
		HusbandName string `v:"required-without:Id,WifeName"`
	}
	var (
		ctx = context.Background()
		req = BizReq{
			ID:     1,
			Name:   "test",
			Gender: 1,
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Println(err)
	}

	// Output:
	// The HusbandName field is required
}

func ExampleValidator_RequiredWithoutAll() {
	type BizReq struct {
		ID          uint   `v:"required" dc:"Your ID"`
		Name        string `v:"required" dc:"Your name"`
		Gender      uint   `v:"in:0,1,2" dc:"0:Secret;1:Male;2:Female"`
		WifeName    string
		HusbandName string `v:"required-without-all:Id,WifeName"`
	}
	var (
		ctx = context.Background()
		req = BizReq{
			Name:   "test",
			Gender: 1,
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Println(err)
	}

	// Output:
	// The HusbandName field is required
}

func ExampleValidator_Date() {
	type BizReq struct {
		Date1 string `v:"date"`
		Date2 string `v:"date"`
		Date3 string `v:"date"`
		Date4 string `v:"date"`
		Date5 string `v:"date"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Date1: "2021-10-31",
			Date2: "2021.10.31",
			Date3: "2021-Oct-31",
			Date4: "2021 Octa 31",
			Date5: "2021/Oct/31",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The Date3 value `2021-Oct-31` is not a valid date
	// The Date4 value `2021 Octa 31` is not a valid date
	// The Date5 value `2021/Oct/31` is not a valid date
}

func ExampleValidator_Datetime() {
	type BizReq struct {
		Date1 string `v:"datetime"`
		Date2 string `v:"datetime"`
		Date3 string `v:"datetime"`
		Date4 string `v:"datetime"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Date1: "2021-11-01 23:00:00",
			Date2: "2021-11-01 23:00",     // error
			Date3: "2021/11/01 23:00:00",  // error
			Date4: "2021/Dec/01 23:00:00", // error
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The Date2 value `2021-11-01 23:00` is not a valid datetime
	// The Date3 value `2021/11/01 23:00:00` is not a valid datetime
	// The Date4 value `2021/Dec/01 23:00:00` is not a valid datetime
}

func ExampleValidator_DateFormat() {
	type BizReq struct {
		Date1 string `v:"date-format:Y-m-d"`
		Date2 string `v:"date-format:Y-m-d"`
		Date3 string `v:"date-format:Y-m-d H:i:s"`
		Date4 string `v:"date-format:Y-m-d H:i:s"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Date1: "2021-11-01",
			Date2: "2021-11-01 23:00", // error
			Date3: "2021-11-01 23:00:00",
			Date4: "2021-11-01 23:00", // error
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The Date2 value `2021-11-01 23:00` does not match the format: Y-m-d
	// The Date4 value `2021-11-01 23:00` does not match the format: Y-m-d H:i:s
}

func ExampleValidator_Email() {
	type BizReq struct {
		MailAddr1 string `v:"email"`
		MailAddr2 string `v:"email"`
		MailAddr3 string `v:"email"`
		MailAddr4 string `v:"email"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			MailAddr1: "gf@goframe.org",
			MailAddr2: "gf@goframe", // error
			MailAddr3: "gf@goframe.org.cn",
			MailAddr4: "gf#goframe.org", // error
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The MailAddr2 value `gf@goframe` is not a valid email address
	// The MailAddr4 value `gf#goframe.org` is not a valid email address
}

func ExampleValidator_Phone() {
	type BizReq struct {
		PhoneNumber1 string `v:"phone"`
		PhoneNumber2 string `v:"phone"`
		PhoneNumber3 string `v:"phone"`
		PhoneNumber4 string `v:"phone"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			PhoneNumber1: "13578912345",
			PhoneNumber2: "11578912345", // error 11x not exist
			PhoneNumber3: "17178912345", // error 171 not exit
			PhoneNumber4: "1357891234",  // error len must be 11
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The PhoneNumber2 value `11578912345` is not a valid phone number
	// The PhoneNumber3 value `17178912345` is not a valid phone number
	// The PhoneNumber4 value `1357891234` is not a valid phone number
}

func ExampleValidator_PhoneLoose() {
	type BizReq struct {
		PhoneNumber1 string `v:"phone-loose"`
		PhoneNumber2 string `v:"phone-loose"`
		PhoneNumber3 string `v:"phone-loose"`
		PhoneNumber4 string `v:"phone-loose"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			PhoneNumber1: "13578912345",
			PhoneNumber2: "11578912345", // error 11x not exist
			PhoneNumber3: "17178912345",
			PhoneNumber4: "1357891234", // error len must be 11
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The PhoneNumber2 value `11578912345` is invalid
	// The PhoneNumber4 value `1357891234` is invalid
}

func ExampleValidator_Telephone() {
	type BizReq struct {
		Telephone1 string `v:"telephone"`
		Telephone2 string `v:"telephone"`
		Telephone3 string `v:"telephone"`
		Telephone4 string `v:"telephone"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Telephone1: "010-77542145",
			Telephone2: "0571-77542145",
			Telephone3: "20-77542145", // error
			Telephone4: "775421451",   // error len must be 7 or 8
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The Telephone3 value `20-77542145` is not a valid telephone number
	// The Telephone4 value `775421451` is not a valid telephone number
}

func ExampleValidator_Passport() {
	type BizReq struct {
		Passport1 string `v:"passport"`
		Passport2 string `v:"passport"`
		Passport3 string `v:"passport"`
		Passport4 string `v:"passport"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Passport1: "goframe",
			Passport2: "1356666",  // error starting with letter
			Passport3: "goframe#", // error containing only numbers or underscores
			Passport4: "gf",       // error length between 6 and 18
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The Passport2 value `1356666` is not a valid passport format
	// The Passport3 value `goframe#` is not a valid passport format
	// The Passport4 value `gf` is not a valid passport format
}

func ExampleValidator_Password() {
	type BizReq struct {
		Password1 string `v:"password"`
		Password2 string `v:"password"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Password1: "goframe",
			Password2: "gofra", // error length between 6 and 18
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(err)
	}

	// Output:
	// The Password2 value `gofra` is not a valid password format
}

func ExampleValidator_Password2() {
	type BizReq struct {
		Password1 string `v:"password2"`
		Password2 string `v:"password2"`
		Password3 string `v:"password2"`
		Password4 string `v:"password2"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Password1: "Goframe123",
			Password2: "gofra",      // error length between 6 and 18
			Password3: "Goframe",    // error must contain lower and upper letters and numbers.
			Password4: "goframe123", // error must contain lower and upper letters and numbers.
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The Password2 value `gofra` is not a valid password format
	// The Password3 value `Goframe` is not a valid password format
	// The Password4 value `goframe123` is not a valid password format
}

func ExampleValidator_Password3() {
	type BizReq struct {
		Password1 string `v:"password3"`
		Password2 string `v:"password3"`
		Password3 string `v:"password3"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Password1: "Goframe123#",
			Password2: "gofra",      // error length between 6 and 18
			Password3: "Goframe123", // error must contain lower and upper letters, numbers and special chars.
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The Password2 value `gofra` is not a valid password format
	// The Password3 value `Goframe123` is not a valid password format
}

func ExampleValidator_Postcode() {
	type BizReq struct {
		Postcode1 string `v:"postcode"`
		Postcode2 string `v:"postcode"`
		Postcode3 string `v:"postcode"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Postcode1: "100000",
			Postcode2: "10000",   // error length must be 6
			Postcode3: "1000000", // error length must be 6
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The Postcode2 value `10000` is not a valid postcode format
	// The Postcode3 value `1000000` is not a valid postcode format
}

func ExampleValidator_ResidentId() {
	type BizReq struct {
		ResidentID1 string `v:"resident-id"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			ResidentID1: "320107199506285482",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(err)
	}

	// Output:
	// The ResidentID1 value `320107199506285482` is not a valid resident id number
}

func ExampleValidator_BankCard() {
	type BizReq struct {
		BankCard1 string `v:"bank-card"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			BankCard1: "6225760079930218",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(err)
	}

	// Output:
	// The BankCard1 value `6225760079930218` is not a valid bank card number
}

func ExampleValidator_QQ() {
	type BizReq struct {
		QQ1 string `v:"qq"`
		QQ2 string `v:"qq"`
		QQ3 string `v:"qq"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			QQ1: "389961817",
			QQ2: "9999",       // error >= 10000
			QQ3: "514258412a", // error all number
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The QQ2 value `9999` is not a valid QQ number
	// The QQ3 value `514258412a` is not a valid QQ number
}

func ExampleValidator_IP() {
	type BizReq struct {
		IP1 string `v:"ip"`
		IP2 string `v:"ip"`
		IP3 string `v:"ip"`
		IP4 string `v:"ip"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			IP1: "127.0.0.1",
			IP2: "fe80::812b:1158:1f43:f0d1",
			IP3: "520.255.255.255", // error >= 10000
			IP4: "ze80::812b:1158:1f43:f0d1",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The IP3 value `520.255.255.255` is not a valid IP address
	// The IP4 value `ze80::812b:1158:1f43:f0d1` is not a valid IP address
}

func ExampleValidator_IPV4() {
	type BizReq struct {
		IP1 string `v:"ipv4"`
		IP2 string `v:"ipv4"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			IP1: "127.0.0.1",
			IP2: "520.255.255.255",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(err)
	}

	// Output:
	// The IP2 value `520.255.255.255` is not a valid IPv4 address
}

func ExampleValidator_IPV6() {
	type BizReq struct {
		IP1 string `v:"ipv6"`
		IP2 string `v:"ipv6"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			IP1: "fe80::812b:1158:1f43:f0d1",
			IP2: "ze80::812b:1158:1f43:f0d1",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(err)
	}

	// Output:
	// The IP2 value `ze80::812b:1158:1f43:f0d1` is not a valid IPv6 address
}

func ExampleValidator_Mac() {
	type BizReq struct {
		Mac1 string `v:"mac"`
		Mac2 string `v:"mac"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Mac1: "4C-CC-6A-D6-B1-1A",
			Mac2: "Z0-CC-6A-D6-B1-1A",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(err)
	}

	// Output:
	// The Mac2 value `Z0-CC-6A-D6-B1-1A` is not a valid MAC address
}

func ExampleValidator_Url() {
	type BizReq struct {
		URL1 string `v:"url"`
		URL2 string `v:"url"`
		URL3 string `v:"url"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			URL1: "http://goframe.org",
			URL2: "ftp://goframe.org",
			URL3: "ws://goframe.org",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(err)
	}

	// Output:
	// The URL3 value `ws://goframe.org` is not a valid URL address
}

func ExampleValidator_Domain() {
	type BizReq struct {
		Domain1 string `v:"domain"`
		Domain2 string `v:"domain"`
		Domain3 string `v:"domain"`
		Domain4 string `v:"domain"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Domain1: "goframe.org",
			Domain2: "a.b",
			Domain3: "goframe#org",
			Domain4: "1a.2b",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The Domain3 value `goframe#org` is not a valid domain format
	// The Domain4 value `1a.2b` is not a valid domain format
}

func ExampleValidator_Size() {
	type BizReq struct {
		Size1 string `v:"size:10"`
		Size2 string `v:"size:5"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Size1: "goframe欢迎你",
			Size2: "goframe",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(err)
	}

	// Output:
	// The Size2 value `goframe` length must be 5
}

func ExampleValidator_Length() {
	type BizReq struct {
		Length1 string `v:"length:5,10"`
		Length2 string `v:"length:10,15"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Length1: "goframe欢迎你",
			Length2: "goframe",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(err)
	}

	// Output:
	// The Length2 value `goframe` length must be between 10 and 15
}

func ExampleValidator_MinLength() {
	type BizReq struct {
		MinLength1 string `v:"min-length:10"`
		MinLength2 string `v:"min-length:8"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			MinLength1: "goframe欢迎你",
			MinLength2: "goframe",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(err)
	}

	// Output:
	// The MinLength2 value `goframe` length must be equal or greater than 8
}

func ExampleValidator_MaxLength() {
	type BizReq struct {
		MaxLength1 string `v:"max-length:10"`
		MaxLength2 string `v:"max-length:5"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			MaxLength1: "goframe欢迎你",
			MaxLength2: "goframe",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(err)
	}

	// Output:
	// The MaxLength2 value `goframe` length must be equal or lesser than 5
}

func ExampleValidator_Between() {
	type BizReq struct {
		Age1   int     `v:"between:1,100"`
		Age2   int     `v:"between:1,100"`
		Score1 float32 `v:"between:0.0,10.0"`
		Score2 float32 `v:"between:0.0,10.0"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Age1:   50,
			Age2:   101,
			Score1: 9.8,
			Score2: -0.5,
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The Age2 value `101` must be between 1 and 100
	// The Score2 value `-0.5` must be between 0 and 10
}

func ExampleValidator_Min() {
	type BizReq struct {
		Age1   int     `v:"min:100"`
		Age2   int     `v:"min:100"`
		Score1 float32 `v:"min:10.0"`
		Score2 float32 `v:"min:10.0"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Age1:   50,
			Age2:   101,
			Score1: 9.8,
			Score2: 10.1,
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The Age1 value `50` must be equal or greater than 100
	// The Score1 value `9.8` must be equal or greater than 10
}

func ExampleValidator_Max() {
	type BizReq struct {
		Age1   int     `v:"max:100"`
		Age2   int     `v:"max:100"`
		Score1 float32 `v:"max:10.0"`
		Score2 float32 `v:"max:10.0"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Age1:   99,
			Age2:   101,
			Score1: 9.9,
			Score2: 10.1,
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The Age2 value `101` must be equal or lesser than 100
	// The Score2 value `10.1` must be equal or lesser than 10
}

func ExampleValidator_Json() {
	type BizReq struct {
		JSON1 string `v:"json"`
		JSON2 string `v:"json"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			JSON1: "{\"name\":\"goframe\",\"author\":\"郭强\"}",
			JSON2: "{\"name\":\"goframe\",\"author\":\"郭强\",\"test\"}",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(err)
	}

	// Output:
	// The JSON2 value `{"name":"goframe","author":"郭强","test"}` is not a valid JSON string
}

func ExampleValidator_Integer() {
	type BizReq struct {
		Integer string `v:"integer"`
		Float   string `v:"integer"`
		Str     string `v:"integer"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Integer: "100",
			Float:   "10.0",
			Str:     "goframe",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The Float value `10.0` is not an integer
	// The Str value `goframe` is not an integer
}

func ExampleValidator_Float() {
	type BizReq struct {
		Integer string `v:"float"`
		Float   string `v:"float"`
		Str     string `v:"float"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Integer: "100",
			Float:   "10.0",
			Str:     "goframe",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(err)
	}

	// Output:
	// The Str value `goframe` is invalid
}

func ExampleValidator_Boolean() {
	type BizReq struct {
		Boolean bool    `v:"boolean"`
		Integer int     `v:"boolean"`
		Float   float32 `v:"boolean"`
		Str1    string  `v:"boolean"`
		Str2    string  `v:"boolean"`
		Str3    string  `v:"boolean"`
	}

	var (
		ctx = context.Background()
		req = BizReq{
			Boolean: true,
			Integer: 1,
			Float:   10.0,
			Str1:    "on",
			Str2:    "",
			Str3:    "goframe",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The Float value `10` field must be true or false
	// The Str3 value `goframe` field must be true or false
}

func ExampleValidator_Same() {
	type BizReq struct {
		Name      string `v:"required"`
		Password  string `v:"required|same:Password2"`
		Password2 string `v:"required"`
	}
	var (
		ctx = context.Background()
		req = BizReq{
			Name:      "gf",
			Password:  "goframe.org",
			Password2: "goframe.net",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Println(err)
	}

	// Output:
	// The Password value `goframe.org` must be the same as field Password2
}

func ExampleValidator_Different() {
	type BizReq struct {
		Name          string `v:"required"`
		MailAddr      string `v:"required"`
		OtherMailAddr string `v:"required|different:MailAddr"`
	}
	var (
		ctx = context.Background()
		req = BizReq{
			Name:          "gf",
			MailAddr:      "gf@goframe.org",
			OtherMailAddr: "gf@goframe.org",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Println(err)
	}

	// Output:
	// The OtherMailAddr value `gf@goframe.org` must be different from field MailAddr
}

func ExampleValidator_In() {
	type BizReq struct {
		ID     uint   `v:"required" dc:"Your Id"`
		Name   string `v:"required" dc:"Your name"`
		Gender uint   `v:"in:0,1,2" dc:"0:Secret;1:Male;2:Female"`
	}
	var (
		ctx = context.Background()
		req = BizReq{
			ID:     1,
			Name:   "test",
			Gender: 3,
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Println(err)
	}

	// Output:
	// The Gender value `3` is not in acceptable range: 0,1,2
}

func ExampleValidator_NotIn() {
	type BizReq struct {
		ID           uint   `v:"required" dc:"Your Id"`
		Name         string `v:"required" dc:"Your name"`
		InvalidIndex uint   `v:"not-in:-1,0,1"`
	}
	var (
		ctx = context.Background()
		req = BizReq{
			ID:           1,
			Name:         "test",
			InvalidIndex: 1,
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Println(err)
	}

	// Output:
	// The InvalidIndex value `1` must not be in range: -1,0,1
}

func ExampleValidator_Regex() {
	type BizReq struct {
		Regex1 string `v:"regex:[1-9][0-9]{4,14}"`
		Regex2 string `v:"regex:[1-9][0-9]{4,14}"`
		Regex3 string `v:"regex:[1-9][0-9]{4,14}"`
	}
	var (
		ctx = context.Background()
		req = BizReq{
			Regex1: "1234",
			Regex2: "01234",
			Regex3: "10000",
		}
	)
	if err := g.Validator().CheckStruct(ctx, req); err != nil {
		fmt.Print(gstr.Join(err.Strings(), "\n"))
	}

	// Output:
	// The Regex1 value `1234` must be in regex of: [1-9][0-9]{4,14}
	// The Regex2 value `01234` must be in regex of: [1-9][0-9]{4,14}
}