Validate

validate is a generic Go data validate and filter tool library.

Support quick validate Map, Struct, Request(Form, JSON, url.Values, UploadedFile) data
- Validating http.Request automatically collects data based on the request Content-Type value
- Supports checking each child value in a slice. eg: v.StringRule("tags.*", "required|string")
Support filter/sanitize/convert data before validate
Support add custom filter/validator func
Support scene settings, verify different fields in different scenes
Support custom error messages, field translates.
- Can use message, label tags in struct
Customizable i18n aware error messages, built in en, zh-CN, zh-TW
Built-in common data type filter/converter. see Built In Filters
Many commonly used validators have been built in(> 70), see Built In Validators
Can use validate in any frameworks, such as Gin, Echo, Chi and more
Supports direct use of rules to validate value. eg: validate.Val("xyz@mail.com", "required|email")

中文说明

中文说明请查看 README.zh-CN

Go Doc

Validate Struct

Use the validate tag of the structure, you can quickly config a structure.

Config the struct use tags

Field translations and error messages for structs can be quickly configured using the message and label tags.

Support configuration field mapping through structure tag, read the value of json tag by default
Support configuration error message via structure's message tag
Support configuration field translation via structure's label tag

package main

import (
	"fmt"
	"time"

	"github.com/gookit/validate"
)

// UserForm struct
type UserForm struct {
	Name     string    `validate:"required|min_len:7" message:"required:{field} is required" label:"User Name"`
	Email    string    `validate:"email" message:"email is invalid" label:"User Email"`
	Age      int       `validate:"required|int|min:1|max:99" message:"int:age must int|min:age min value is 1"`
	CreateAt int       `validate:"min:1"`
	Safe     int       `validate:"-"`
	UpdateAt time.Time `validate:"required" message:"update time is required"`
	Code     string    `validate:"customValidator"`
	// ExtInfo nested struct
	ExtInfo struct{
		Homepage string `validate:"required" label:"Home Page"`
		CityName string
	} `validate:"required" label:"Home Page"`
}

// CustomValidator custom validator in the source struct.
func (f UserForm) CustomValidator(val string) bool {
	return len(val) == 4
}

Config validate use struct methods

validate provides extended functionality:

The struct can implement three interfaces methods, which is convenient to do some customization:

ConfigValidation(v *Validation) will be called after the validator instance is created
Messages() map[string]string can customize the validator error message
Translates() map[string]string can customize field translation

package main

import (
	"fmt"
	"time"

	"github.com/gookit/validate"
)

// UserForm struct
type UserForm struct {
	Name     string    `validate:"required|min_len:7"`
	Email    string    `validate:"email"`
	Age      int       `validate:"required|int|min:1|max:99"`
	CreateAt int       `validate:"min:1"`
	Safe     int       `validate:"-"`
	UpdateAt time.Time `validate:"required"`
	Code     string    `validate:"customValidator"`
	// ExtInfo nested struct
	ExtInfo struct{
		Homepage string `validate:"required"`
		CityName string
	} `validate:"required"`
}

// CustomValidator custom validator in the source struct.
func (f UserForm) CustomValidator(val string) bool {
	return len(val) == 4
}

// ConfigValidation config the Validation
// eg:
// - define validate scenes
func (f UserForm) ConfigValidation(v *validate.Validation) {
	v.WithScenes(validate.SValues{
		"add":    []string{"ExtInfo.Homepage", "Name", "Code"},
		"update": []string{"ExtInfo.CityName", "Name"},
	})
}

// Messages you can custom validator error messages. 
func (f UserForm) Messages() map[string]string {
	return validate.MS{
		"required": "oh! the {field} is required",
		"email": "email is invalid",
		"Name.required": "message for special field",
		"Age.int": "age must int",
		"Age.min": "age min value is 1",
	}
}

// Translates you can custom field translates. 
func (f UserForm) Translates() map[string]string {
	return validate.MS{
		"Name": "User Name",
		"Email": "User Email",
		"ExtInfo.Homepage": "Home Page",
	}
}

Create and validating

Can use validate.Struct(ptr) quick create a validation instance. then call v.Validate() for validating.

package main

import (
  "fmt"

  "github.com/gookit/validate"
)

func main() {
	u := &UserForm{
		Name: "inhere",
	}
	
	v := validate.Struct(u)
	// v := validate.New(u)

	if v.Validate() { // validate ok
		// do something ...
	} else {
		fmt.Println(v.Errors) // all error messages
		fmt.Println(v.Errors.One()) // returns a random error message text
		fmt.Println(v.Errors.OneError()) // returns a random error
		fmt.Println(v.Errors.Field("Name")) // returns error messages of the field 
	}
}

Validate Map

You can also validate a MAP data directly.

package main

import (
"fmt"

"github.com/gookit/validate"
)

func main()  {
	m := map[string]any{
		"name":  "inhere",
		"age":   100,
		"oldSt": 1,
		"newSt": 2,
		"email": "some@email.com",
		"tags": []string{"go", "php", "java"},
	}

	v := validate.Map(m)
	// v := validate.New(m)
	v.AddRule("name", "required")
	v.AddRule("name", "minLen", 7)
	v.AddRule("age", "max", 99)
	v.AddRule("age", "min", 1)
	v.AddRule("email", "email")
	
	// can also
	v.StringRule("age", "required|int|min:1|max:99")
	v.StringRule("name", "required|minLen:7")
	v.StringRule("tags", "required|slice|minlen:1")
	// feat: support check sub-item in slice
	v.StringRule("tags.*", "required|string|min_len:7")

	// v.WithScenes(map[string]string{
	//	 "create": []string{"name", "email"},
	//	 "update": []string{"name"},
	// })
	
	if v.Validate() { // validate ok
		safeData := v.SafeData()
		// do something ...
	} else {
		fmt.Println(v.Errors) // all error messages
		fmt.Println(v.Errors.One()) // returns a random error message text
	}
}

Validate Request

If it is an HTTP request, you can quickly validate the data and pass the verification. Then bind the secure data to the structure.

package main

import (
	"fmt"
	"net/http"
	"time"

	"github.com/gookit/validate"
)

// UserForm struct
type UserForm struct {
	Name     string
	Email    string
	Age      int
	CreateAt int
	Safe     int
	UpdateAt time.Time
	Code     string
}

func main()  {
	handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		data, err := validate.FromRequest(r)
		if err != nil {
			panic(err)
		}

		v := data.Create()
		// setting rules
		v.FilterRule("age", "int") // convert value to int
		
		v.AddRule("name", "required")
		v.AddRule("name", "minLen", 7)
		v.AddRule("age", "max", 99)
		v.StringRule("code", `required|regex:\d{4,6}`)

		if v.Validate() { // validate ok
			// safeData := v.SafeData()
			userForm := &UserForm{}
			v.BindSafeData(userForm)

			// do something ...
			fmt.Println(userForm.Name)
		} else {
			fmt.Println(v.Errors) // all error messages
			fmt.Println(v.Errors.One()) // returns a random error message text
		}
	})

	http.ListenAndServe(":8090", handler)
}

Quick Method

Quick create Validation instance.

New(data any, scene ...string) *Validation
Request(r *http.Request) *Validation
JSON(s string, scene ...string) *Validation
Struct(s any, scene ...string) *Validation
Map(m map[string]any, scene ...string) *Validation

Quick create DataFace instance.

FromMap(m map[string]any) *MapData
FromStruct(s any) (*StructData, error)
FromJSON(s string) (*MapData, error)
FromJSONBytes(bs []byte) (*MapData, error)
FromURLValues(values url.Values) *FormData
FromRequest(r *http.Request, maxMemoryLimit ...int64) (DataFace, error)

Create Validation from DataFace

d := FromMap(map[string]any{"key": "val"})
v := d.Validation()

Methods In Validation

func (v *Validation) Validate(scene ...string) bool Do validating and return is success.
func (v *Validation) ValidateE(scene ...string) Errors Do validating and return error.

More Usage

Validate Error

v.Errors is map data, top key is field name, value is map[string]string.

// do validating
if v.Validate() {
	return nil
}

// get errors
es := v.Errors

// check
es.Empty() // bool

// returns an random error, if no error returns nil
fmt.Println(v.Errors.OneError())
fmt.Println(v.Errors.ErrOrNil())

fmt.Println(v.Errors) // all error messages
fmt.Println(v.Errors.One()) // returns a random error message text
fmt.Println(v.Errors.Field("Name")) // returns error messages of the field

Encode to JSON:

StopOnError=true(default), will only one error

{
    "field1": {
        "required": "error msg0"
    }
}

if StopOnError=false, will get multi error

{
    "field1": {
        "minLen": "error msg1",
        "required": "error msg0"
    },
    "field2": {
        "min": "error msg2"
    }
}

Global Option

You can adjust some processing logic of the validator by changing the global option settings.

// GlobalOption settings for validate
type GlobalOption struct {
	// FilterTag name in the struct tags.
	//
	// default: filter
	FilterTag string
	// ValidateTag in the struct tags.
	//
	// default: validate
	ValidateTag string
	// FieldTag the output field name in the struct tags.
	// it as placeholder on error message.
	//
	// default: json
	FieldTag string
	// LabelTag the display name in the struct tags.
	// use for define field translate name on error.
	//
	// default: label
	LabelTag string
	// MessageTag define error message for the field.
	//
	// default: message
	MessageTag string
	// StopOnError If true: An error occurs, it will cease to continue to verify
	StopOnError bool
	// SkipOnEmpty Skip check on field not exist or value is empty
	SkipOnEmpty bool
	// UpdateSource Whether to update source field value, useful for struct validate
	UpdateSource bool
	// CheckDefault Whether to validate the default value set by the user
	CheckDefault bool
	// CheckZero Whether validate the default zero value. (intX,uintX: 0, string: "")
	CheckZero bool
	// CheckSubOnParentMarked True: only collect sub-struct rule on current field has rule.
	CheckSubOnParentMarked bool
	// ValidatePrivateFields Whether to validate private fields or not, especially when inheriting other other structs.
	//
	//  type foo struct {
	//	  Field int `json:"field" validate:"required"`
	//  }
	//  type bar struct {
	//    foo // <-- validate this field
	//    Field2 int `json:"field2" validate:"required"`
	//  }
	//
	// default: false
	ValidatePrivateFields bool
}

Usage:

// change global opts
validate.Config(func(opt *validate.GlobalOption) {
	opt.StopOnError = false
	opt.SkipOnEmpty = false
})

Validating Private (Unexported fields)

By default, private fields are skipped. It is not uncommon to find code such as the following

type foo struct {
	somefield int
}

type Bar struct {
	foo
	SomeOtherField string
}

In order to have foo.somefield validated, enable the behavior by setting GlobalOption.ValidatePrivateFields to true.

validate.Config(func(opt *validate.GlobalOption) {
	opt.ValidatePrivateFields = true
})

Custom Error Messages

Register language messages

import "github.com/gookit/validate/locales/zhcn"

// for all Validation.
// NOTICE: must be registered before on validate.New(), it only need call at once.
zhcn.RegisterGlobal()

// ... ...

v := validate.New()

// only for current Validation
zhcn.Register(v)

Manual add global messages

validate.AddGlobalMessages(map[string]string{
    "minLength": "OO! {field} min length is %d",
})

Add messages for current validation

v := validate.New(map[string]any{
    "name": "inhere",
})
v.StringRule("name", "required|string|minLen:7|maxLen:15")

v.AddMessages(map[string]string{
    "minLength": "OO! {field} min length is %d",
    "name.minLen": "OO! username min length is %d",
})

Use struct tags: message, label

type UserForm struct {
    Name  string `validate:"required|minLen:7" label:"User Name"`
    Email string `validate:"email" message:"email is invalid" label:"User Email"`
}

Use struct method Messages()

// Messages you can custom validator error messages. 
func (f UserForm) Messages() map[string]string {
	return validate.MS{
		"required": "oh! the {field} is required",
		"Name.required": "message for special field",
	}
}

Add Custom Validator

validate supports adding custom validators, and supports adding global validator and temporary validator.

Global Validator is globally valid and can be used everywhere
Temporary Validator added to the current validation instance, only the current validation is available
Add verification method to the structure. How to use please see the structure verification example above

Note: The validator method must return a bool to indicate whether the validation was successful. The first parameter is the corresponding field value. If there are additional parameters, they will be appended automatically.

Add Global Validator

You can add one or more custom validators at once.

validate.AddValidator("myCheck0", func(val any) bool {
	// do validate val ...
	return true
})
validate.AddValidators(validate.M{
	"myCheck1": func(val any) bool {
		// do validate val ...
		return true
	},
})

Add Temporary Validator

Again, you can add one or more custom validators at once.

v := validate.Struct(u)
v.AddValidator("myFunc3", func(val any) bool {
	// do validate val ...
	return true
})
v.AddValidators(validate.M{
	"myFunc4": func(val any) bool {
		// do validate val ...
		return true
	},
})

Add Custom Filter

validate can also support adding custom filters, and supports adding global filter and temporary filter.

Global Filter is globally valid and can be used everywhere
Temporary Filter added to the current validation instance, only the current validation is available

TIP: for filter func, we allow functions with 1 result or 2 results where the second is an error.

Add Global Filter

You can add one or more custom validators at once.

package main

import "github.com/gookit/validate"

func init() {
	validate.AddFilter("myToIntFilter0", func(val any) int {
		// do filtering val ...
		return 1
	})
	validate.AddFilters(validate.M{
		"myToIntFilter1": func(val any) (int, error) {
			// do filtering val ...
			return 1, nil
		},
	})
}

Add Temporary Filter

Again, you can add one or more custom filters at once.

package main

import "github.com/gookit/validate"

func main() {
	v := validate.New(&someStrcut{})

	v.AddFilter("myToIntFilter0", func(val any) int {
		// do filtering val ...
		return 1
	})
	v.AddFilters(validate.M{
		"myToIntFilter1": func(val any) (int, error) {
			// do filtering val ...
			return 1, nil
		},
	})
}

Custom `required` validation

Allows a custom required validator to customize whether the validation is empty. However, note that the validator name must start with required, e.g. required_custom.

	type Data struct {
		Age  int    `validate:"required_custom" message:"age is required"`
		Name string `validate:"required"`
	}

	v := validate.New(&Data{
		Name: "tom",
		Age:  0,
	})

	v.AddValidator("required_custom", func(val any) bool {
		// do check value
		return false
	})

	ok := v.Validate()
	assert.False(t, ok)

Use on gin framework

Can use validate in any frameworks, such as Gin, Echo, Chi and more.

Examples on gin:

package main
import (
    "github.com/gin-gonic/gin/binding"
    "github.com/gookit/validate"
)

// implements the binding.StructValidator
type customValidator struct {}

func (c *customValidator) ValidateStruct(ptr any) error {
    v := validate.Struct(ptr)
    v.Validate() // do validating
    
    if v.Errors.Empty() {
	return nil
    }

    return v.Errors
}

func (c *customValidator) Engine() any {
    return nil
}

func main()  {
	// ...

    // after init gin, set custom validator
    binding.Validator = &customValidator{}
}

Built In Validators

Camel-style validator names now have underlined aliases. endsWith can also be written as ends_with

validator/aliases	description
`required`	Check value is required and cannot be empty.
`required_if/requiredIf`	`required_if:anotherfield,value,...` The field under validation must be present and not empty if the `anotherField` field is equal to any value.
`requiredUnless`	`required_unless:anotherfield,value,...` The field under validation must be present and not empty unless the `anotherField` field is equal to any value.
`requiredWith`	`required_with:foo,bar,...` The field under validation must be present and not empty only if any of the other specified fields are present.
`requiredWithAll`	`required_with_all:foo,bar,...` The field under validation must be present and not empty only if all of the other specified fields are present.
`requiredWithout`	`required_without:foo,bar,...` The field under validation must be present and not empty only when any of the other specified fields are not present.
`requiredWithoutAll`	`required_without_all:foo,bar,...` The field under validation must be present and not empty only when all of the other specified fields are not present.
`-/safe`	The field values are safe and do not require validation
`int/integer/isInt`	Check value is `intX` `uintX` type, And support size checking. eg: `"int"` `"int:2"` `"int:2,12"`
`uint/isUint`	Check value is uint(`uintX`) type, `value >= 0`
`bool/isBool`	Check value is bool string(`true`: "1", "on", "yes", "true", `false`: "0", "off", "no", "false").
`string/isString`	Check value is string type.
`float/isFloat`	Check value is float(`floatX`) type
`slice/isSlice`	Check value is slice type(`[]intX` `[]uintX` `[]byte` `[]string` ...).
`in/enum`	Check if the value is in the given enumeration `"in:a,b"`
`not_in/notIn`	Check if the value is not in the given enumeration `"contains:b"`
`contains`	Check if the input value contains the given value
`not_contains/notContains`	Check if the input value not contains the given value
`string_contains/stringContains`	Check if the input string value is contains the given sub-string
`starts_with/startsWith`	Check if the input string value is starts with the given sub-string
`ends_with/endsWith`	Check if the input string value is ends with the given sub-string
`range/between`	Check that the value is a number and is within the given range
`max/lte`	Check value is less than or equal to the given value
`min/gte`	Check value is greater than or equal to the given value(for `intX` `uintX` `floatX`)
`eq/equal/isEqual`	Check that the input value is equal to the given value
`ne/notEq/notEqual`	Check that the input value is not equal to the given value
`lt/lessThan`	Check value is less than the given value(use for `intX` `uintX` `floatX`)
`gt/greaterThan`	Check value is greater than the given value(use for `intX` `uintX` `floatX`)
`email/isEmail`	Check value is email address string.
`intEq/intEqual`	Check value is int and equals to the given value.
`len/length`	Check value length is equals to the given size(use for `string` `array` `slice` `map`).
`regex/regexp`	Check if the value can pass the regular verification
`arr/list/array/isArray`	Check value is array, slice type
`map/isMap`	Check value is a MAP type
`strings/isStrings`	Check value is string slice type(only allow `[]string`).
`ints/isInts`	Check value is int slice type(only allow `[]int`).
`min_len/minLen/minLength`	Check the minimum length of the value is the given size
`max_len/maxLen/maxLength`	Check the maximum length of the value is the given size
`eq_field/eqField`	Check that the field value is equals to the value of another field
`ne_field/neField`	Check that the field value is not equals to the value of another field
`gte_field/gteField`	Check that the field value is greater than or equal to the value of another field
`gt_field/gtField`	Check that the field value is greater than the value of another field
`lte_field/lteField`	Check if the field value is less than or equal to the value of another field
`lt_field/ltField`	Check that the field value is less than the value of another field
`file/isFile`	Verify if it is an uploaded file
`image/isImage`	Check if it is an uploaded image file and support suffix check
`mime/mimeType/inMimeTypes`	Check that it is an uploaded file and is in the specified MIME type
`date/isDate`	Check the field value is date string. eg `2018-10-25`
`gt_date/gtDate/afterDate`	Check that the input value is greater than the given date string.
`lt_date/ltDate/beforeDate`	Check that the input value is less than the given date string
`gte_date/gteDate/afterOrEqualDate`	Check that the input value is greater than or equal to the given date string.
`lte_date/lteDate/beforeOrEqualDate`	Check that the input value is less than or equal to the given date string.
`has_whitespace/hasWhitespace`	Check value string has Whitespace.
`ascii/ASCII/isASCII`	Check value is ASCII string.
`alpha/isAlpha`	Verify that the value contains only alphabetic characters
`alphaNum/isAlphaNum`	Check that only letters, numbers are included
`alphaDash/isAlphaDash`	Check to include only letters, numbers, dashes ( - ), and underscores ( _ )
`multiByte/isMultiByte`	Check value is MultiByte string.
`base64/isBase64`	Check value is Base64 string.
`dns_name/dnsName/DNSName/isDNSName`	Check value is DNSName string.
`data_uri/dataURI/isDataURI`	Check value is DataURI string.
`empty/isEmpty`	Check value is Empty string.
`hex_color/hexColor/isHexColor`	Check value is Hex color string.
`hexadecimal/isHexadecimal`	Check value is Hexadecimal string.
`json/JSON/isJSON`	Check value is JSON string.
`lat/latitude/isLatitude`	Check value is Latitude string.
`lon/longitude/isLongitude`	Check value is Longitude string.
`mac/isMAC`	Check value is MAC string.
`num/number/isNumber`	Check value is number string. `>= 0`
`cn_mobile/cnMobile/isCnMobile`	Check value is china mobile number string.
`printableASCII/isPrintableASCII`	Check value is PrintableASCII string.
`rgb_color/rgbColor/RGBColor/isRGBColor`	Check value is RGB color string.
`url/isURL`	Check value is URL string.
`fullUrl/isFullURL`	Check value is full URL string(must start with http,https).
`ip/isIP`	Check value is IP(v4 or v6) string.
`ipv4/isIPv4`	Check value is IPv4 string.
`ipv6/isIPv6`	Check value is IPv6 string.
`CIDR/isCIDR`	Check value is CIDR string.
`CIDRv4/isCIDRv4`	Check value is CIDRv4 string.
`CIDRv6/isCIDRv6`	Check value is CIDRv6 string.
`uuid/isUUID`	Check value is UUID string.
`uuid3/isUUID3`	Check value is UUID3 string.
`uuid4/isUUID4`	Check value is UUID4 string.
`uuid5/isUUID5`	Check value is UUID5 string.
`filePath/isFilePath`	Check value is an existing file path
`unixPath/isUnixPath`	Check value is Unix Path string.
`winPath/isWinPath`	Check value is Windows Path string.
`isbn10/ISBN10/isISBN10`	Check value is ISBN10 string.
`isbn13/ISBN13/isISBN13`	Check value is ISBN13 string.

Notice:

intX is contains: int, int8, int16, int32, int64
uintX is contains: uint, uint8, uint16, uint32, uint64
floatX is contains: float32, float64

Built In Filters

Filters powered by: gookit/filter

filter/aliases	description
`int/toInt`	Convert value(string/intX/floatX) to `int` type `v.FilterRule("id", "int")`
`uint/toUint`	Convert value(string/intX/floatX) to `uint` type `v.FilterRule("id", "uint")`
`int64/toInt64`	Convert value(string/intX/floatX) to `int64` type `v.FilterRule("id", "int64")`
`float/toFloat`	Convert value(string/intX/floatX) to `float` type
`bool/toBool`	Convert string value to bool. (`true`: "1", "on", "yes", "true", `false`: "0", "off", "no", "false")
`trim/trimSpace`	Clean up whitespace characters on both sides of the string
`ltrim/trimLeft`	Clean up whitespace characters on left sides of the string
`rtrim/trimRight`	Clean up whitespace characters on right sides of the string
`int/integer`	Convert value(string/intX/floatX) to int type `v.FilterRule("id", "int")`
`lower/lowercase`	Convert string to lowercase
`upper/uppercase`	Convert string to uppercase
`lcFirst/lowerFirst`	Convert the first character of a string to lowercase
`ucFirst/upperFirst`	Convert the first character of a string to uppercase
`ucWord/upperWord`	Convert the first character of each word to uppercase
`camel/camelCase`	Convert string to camel naming style
`snake/snakeCase`	Convert string to snake naming style
`escapeJs/escapeJS`	Escape JS string.
`escapeHtml/escapeHTML`	Escape HTML string.
`str2ints/strToInts`	Convert string to int slice `[]int`
`str2time/strToTime`	Convert date string to `time.Time`.
`str2arr/str2array/strToArray`	Convert string to string slice `[]string`

Gookit packages

gookit/ini Go config management, use INI files
gookit/rux Simple and fast request router for golang HTTP
gookit/gcli build CLI application, tool library, running CLI commands
gookit/event Lightweight event manager and dispatcher implements by Go
gookit/cache Generic cache use and cache manager for golang. support File, Memory, Redis, Memcached.
gookit/config Go config management. support JSON, YAML, TOML, INI, HCL, ENV and Flags
gookit/color A command-line color library with true color support, universal API methods and Windows support
gookit/filter Provide filtering, sanitizing, and conversion of golang data
gookit/validate Use for data validation and filtering. support Map, Struct, Form data
gookit/goutil Some utils for the Go: string, array/slice, map, format, cli, env, filesystem, test and more
More please see https://github.com/gookit

License

MIT

Reference : https://github.com/gookit/validate

Name		Name	Last commit message	Last commit date
Latest commit History 12 Commits
.github		.github
_examples		_examples
docs		docs
jsonutil		jsonutil
locales		locales
testdata		testdata
.gitignore		.gitignore
.golangci.yml		.golangci.yml
.nojekyll		.nojekyll
CHANGELOG.md		CHANGELOG.md
LICENSE		LICENSE
README.md		README.md
README.zh-CN.md		README.zh-CN.md
benchmark_test.go		benchmark_test.go
cache.go		cache.go
data_source.go		data_source.go
data_source_test.go		data_source_test.go
filtering.go		filtering.go
filtering_test.go		filtering_test.go
go.mod		go.mod
go.sum		go.sum
index.html		index.html
issues_test.go		issues_test.go
messages.go		messages.go
messages_test.go		messages_test.go
morecase_test.go		morecase_test.go
register.go		register.go
rule.go		rule.go
rule_test.go		rule_test.go
util.go		util.go
util_test.go		util_test.go
validate.go		validate.go
validate_test.go		validate_test.go
validating.go		validating.go
validating_test.go		validating_test.go
validation.go		validation.go
validation_test.go		validation_test.go
validators.go		validators.go
validators_test.go		validators_test.go
value.go		value.go
value_test.go		value_test.go

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Validate

中文说明

Go Doc

Validate Struct

Config the struct use tags

Config validate use struct methods

Create and validating

Validate Map

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Global Option

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Validate

中文说明

Go Doc

Validate Struct

Config the struct use tags

Config validate use struct methods

Create and validating

Validate Map

Validate Request

Quick Method

Methods In Validation

More Usage

Validate Error

Global Option

Validating Private (Unexported fields)

Custom Error Messages

Add Custom Validator

Add Global Validator

Add Temporary Validator

Add Custom Filter

Add Global Filter

Add Temporary Filter

Custom required validation

Use on gin framework

Built In Validators

Built In Filters

Gookit packages

See also

License

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Custom `required` validation

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