框架校验组件内置了40+左右常用的校验规则。

Note
校验规则涉及到联合校验的场景时，规则中关联的参数名称会自动按照不区分大小写且忽略特殊字符的形式进行智能匹配。

required

格式: required
说明：必需参数，除了支持常见的字符串，也支持Slice/Map类型。

示例：姓名字段Name为必需参数必需不能为空。

Code Block

language	go

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
}

required-if

格式: required-if:field,value,...
说明：必需参数(当任意所给定字段值与所给值相等时，即：当field字段的值为value时，当前验证字段为必须参数)。

示例：当Gender字段为1时WifeName字段必须不为空，当Gender字段为2时HusbandName字段必须不为空

Code Block

language	go

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
}

required-unless

格式: required-unless:field,value,...
说明：必需参数(当所给定字段值与所给值都不相等时，即：当field字段的值不为value时，当前验证字段为必须参数)。
示例：当Gender不等于0且Gender不等于2时，WifeName必须不为空

当Id不等于0且Gender不等于2时，HusbandName必须不为空

Code Block

language	go

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
}

required-with

格式: required-with:field1,field2,...
说明：必需参数(当所给定任意字段值不为空时)。

示例：当WifeName不为空时，HusbandName必须不为空

Code Block

language	go

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
}

required-with-all

格式: required-with-all:field1,field2,...
说明：必须参数(当所给定所有字段值都不为空时)。

示例：当Id，Name，Gender，WifeName全部不为空时，HusbandName必须不为空

Code Block

language	go

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
}

required-without

格式: required-without:field1,field2,...
说明：必需参数(当所给定任意字段值为空时)。

示例：当Id或WifeName为空时，HusbandName必须不为空

Code Block

language	go

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
}

required-without-all

格式: required-without-all:field1,field2,...
说明：必须参数(当所给定所有字段值都为空时)。

示例：当Id和WifeName都为空时，HusbandName必须不为空

Code Block

language	go

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
}

date

格式: date
说明：参数为常用日期类型，日期之间支持的连接符号-或/或.，也支持不带连接符号的8位长度日期，格式如： 2006-01-02, 2006/01/02, 2006.01.02, 20060102

示例：

Code Block

language	go

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(err)
	}

	// Output:
	// The Date3 value is not a valid date; The Date4 value is not a valid date; The Date5 value is not a valid date
}

datetime

格式: datetime
说明：参数为常用日期时间类型，其中日期之间支持的连接符号只支持-，格式如： 2006-01-02 12:00:00

示例：

Code Block

language	go

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(err)
	}

	// Output:
	// The Date2 value is not a valid datetime; The Date3 value is not a valid datetime; The Date4 value is not a valid datetime
}

date-format

格式: date-format:format
说明：判断日期是否为指定的日期格式，format参数格式为gtime日期格式(可以包含日期及时间)，格式说明参考章节：gtime模块
示例：date-format:Y-m-d H:i:s

Code Block

language	go

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(err)
	}

	// Output:
	// The Date2 value does not match the format Y-m-d; The Date4 value does not match the format Y-m-d H:i:s
}

email

格式: email
说明：EMAIL邮箱地址

Code Block

language	go

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(err)
	}

	// Output:
	// The MailAddr2 value must be a valid email address; The MailAddr4 value must be a valid email address
}

phone

格式: phone
说明：手机号

Code Block

language	go

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(err)
	}

	// Output:
	// The PhoneNumber2 value must be a valid phone number; The PhoneNumber3 value must be a valid phone number; The PhoneNumber4 value must be a valid phone number
}

phone-loose

格式: phone
说明：宽松的手机号验证，只要满足 13、14、15、16、17、18、19开头的11位数字都可以通过验证。

Code Block

language	go

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(err)
	}

	// Output:
	// The PhoneNumber2 value must be a valid phone number; The PhoneNumber4 value must be a valid phone number
}

telephone

格式: telephone
说明：国内座机电话号码，”XXXX-XXXXXXX”、”XXXX-XXXXXXXX”、”XXX-XXXXXXX”、”XXX-XXXXXXXX”、”XXXXXXX”、”XXXXXXXX”

Code Block

language	go

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(err)
	}

	// Output:
	// The Telephone3 value must be a valid telephone number; The Telephone4 value must be a valid telephone number
}

passport

格式: passport
说明：通用帐号规则(字母开头，只能包含字母、数字和下划线，长度在6~18之间)

password

格式: password
说明：通用密码(任意可见字符，长度在6~18之间)

password2

格式: password2
说明：中等强度密码(在弱密码的基础上，必须包含大小写字母和数字)

password3

Code Block

language	go

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(err)
	}

	// Output:
	// The Passport2 value is not a valid passport format; The Passport3 value is not a valid passport format; The Passport4 value is not a valid passport format
}

password

格式: password
说明：通用密码(任意可见字符，长度在6~18之间)

Code Block

language	go

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 is not a valid passport format
}

password2

格式: password2
说明：中等强度密码(在弱密码的基础上，必须包含大小写字母和数字)

Code Block

language	go

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(err)
	}

	// Output:
	// The Password2 value is not a valid passport format; The Password3 value is not a valid passport format; The Password4 value is not a valid passport format
}

password3

格式: password3
说明：强等强度密码(在弱密码的基础上，必须包含大小写字母、数字和特殊字符)

Code Block

language	go

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(err)
	}

	// Output:
	// The Password2 value is not a valid passport format; The Password3 value is not a valid passport format
}

格式: password3
说明：强等强度密码(在弱密码的基础上，必须包含大小写字母、数字和特殊字符)

postcode

格式: postcode
说明：中国邮政编码

resident-id

格式: resident-id
说明：公民身份证号码

bank-card

格式: bank-card
说明：银行卡号校验

qq

格式: qq
说明：腾讯QQ号码

ip

格式: ip
说明：IPv4/IPv6地址

ipv4

格式: ipv4
说明：IPv4地址

ipv6

格式: ipv6
说明：IPv6地址

mac

格式: mac
说明：MAC地址

url

格式: url
说明：URL

domain

格式: domain
说明：域名

size

格式: size:size
说明：参数长度为 size (长度参数为整形)，注意底层使用Unicode计算长度，因此中文一个汉字占1个长度单位

length

格式: length:min,max
说明：参数长度为min到max(长度参数为整形)，注意底层使用Unicode计算长度，因此中文一个汉字占1个长度单位

min-length

格式: min-length:min
说明：参数长度最小为min(长度参数为整形)，注意底层使用Unicode计算长度，因此中文一个汉字占1个长度单位

max-length

格式: max-length:max
说明：参数长度最大为max(长度参数为整形)，注意底层使用Unicode计算长度，因此中文一个汉字占1个长度单位

between

格式: between:min,max
说明：参数大小为min到max(支持整形和浮点类型参数)

min

格式: min:min
说明：参数大小最小为min(支持整形和浮点类型参数)

max

格式: max:max
说明：参数大小最大为max(支持整形和浮点类型参数)

json

格式: json
说明：判断数据格式为JSON

integer

格式: integer
说明：整数

float

格式: float
说明：浮点数

boolean

格式: boolean
说明：布尔值(1,true,on,yes为true | 0,false,off,no,""为false)

same

格式: same:field
说明：参数值必需与field参数的值相同

示例：在用户注册时，提交密码Password和确认密码Password2必须相等（服务端校验）。

Code Block

language	go

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 must be the same as field Password2
}

different

格式: different:field
说明：参数值不能与field参数的值相同

示例：备用邮箱OtherMailAddr和邮箱地址MailAddr必须不相同。

Code Block

language	go

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 must be different from field MailAddr
}

in

格式: in:value1,value2,...
说明：参数值应该在value1,value2,...中(字符串匹配)

示例：性别字段Gender的值必须在0/1/2中。

Code Block

language	go

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 is not in acceptable range
}

not-in

格式: not-in:value1,value2,...
说明：参数值不应该在value1,value2,...中(字符串匹配)

示例：无效索引InvalidIndex的值必须不在-1/0/1中

Code Block

language	go

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 is not in acceptable range
}

regex

格式: regex:pattern
说明：参数值应当满足正则匹配规则pattern

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Key

required

required-if

required-unless

required-with

required-with-all

required-without

required-without-all

date

datetime

date-format

email

phone

phone-loose

telephone

passport

password

password2

password3

password

password2

password3

postcode

resident-id

bank-card

qq

ip

ipv4

ipv6

mac

url

domain

size

length

min-length

max-length

between

min

max

json

integer

float

boolean

same

different

in

not-in

regex