valid

Documentation

Index

• Constants
• func CheckFieldIsStr(objName, fieldName string, tv reflect.Value) (err error)
• func Date(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func Datetime(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func Email(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func Eq(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func Float(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func Ge(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func GetDumpStructStr(v interface{}) string
• func GetDumpStructStrForJson(v interface{}) string
• func GetJoinValidErrStr(objName, fieldName, inputVal string, others ...string) (res string)
• func Gt(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func IDCard(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func In(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func Include(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func Int(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func Le(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func Lt(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func NewDumpStruct() *dumpStruct
• func NewVStruct(targetTag ...string) *vStruct
• func NoEq(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func OTo(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func ParseValidNameKV(validName string) (key, value string)
• func Phone(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func SetCustomerValidFn(validName string, fn CommonValidFn)
• func To(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func ValidStructForMyValidFn(src interface{}, validName string, validFn CommonValidFn, targetTag ...string) error
• func ValidStructForRule(ruleObj RM, src interface{}, targetTag ...string) error
• func ValidateStruct(src interface{}, targetTag ...string) error
• func Year(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• func Year2Month(errBuf *strings.Builder, validName, objName, fieldName string, ...)
• type CommonValidFn
• type RM
  • func NewRule() RM
  • func (r RM) Get(fieldName string) string
  • func (r RM) Set(filedNames string, rules ...string) RM

Examples

• Date
• Email
• Eq
• Float
• Ge
• Gt
• In
• Include
• Int
• Le
• Lt
• NoEq
• Phone
• SetCustomerValidFn
• To

Constants

const (
	Required = "required" // 必填
	Exist    = "exist"    // 有值才验证
	Either   = "either"   // 多个必须一个
	BothEq   = "botheq"   // 两者相等
)

Functions

func CheckFieldIsStr

func CheckFieldIsStr(objName, fieldName string, tv reflect.Value) (err error)

CheckFieldIsStr 验证字段类型是否为字符串

func Date

func Date(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

Date 验证日期 默认匹配 xxxx-xx-xx, 可以指定分割符

Example

type Tmp struct {
	Year       string `valid:"year"`
	Year2Month string `valid:"year2month=/"`
	Date       string `valid:"date=/"`
	Datetime   string `valid:"datetime"`
}
v := &Tmp{Year: "2001", Year2Month: "2000/01", Date: "2021/01/22", Datetime: "2021-01-11 23:22"}
fmt.Println(ValidateStruct(v))

Output:

"Tmp.Datetime" input "2021-01-11 23:22" is not datetime, eg: 1996-09-28 23:00:00

func Datetime

func Datetime(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

Datetime 验证时间 默认匹配 xxxx-xx-xx xx:xx:xx, 可以指定分割符

func Email

func Email(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

Email 验证邮箱

Example

type Tmp struct {
	Email string `valid:"email"`
}
v := &Tmp{Email: "xuesongtao512qq.com"}
fmt.Println(ValidateStruct(v))

Output:

"Tmp.Email" input "xuesongtao512qq.com" is not email

func Eq

func Eq(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

Eq 等于验证 1. 如果为字符串则是验证字符个数 2. 如果是数字的话就验证数字的大小 3. 如果是切片的话就验证的长度

Example

type Tmp struct {
	Name  string  `valid:"required,eq=3"`
	Age   int32   `valid:"required,eq=20"`
	Score float64 `valid:"eq=80"`
	Phone string  `valid:"eq=11"`
}
v := &Tmp{
	Name:  "xue",
	Age:   20,
	Score: 80,
	Phone: "1354004261",
}
fmt.Println(ValidateStruct(v))

Output:

"Tmp.Phone" input "1354004261" strLength should equal 11

func Float

func Float(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

Float 验证浮动数

Example

type Tmp struct {
	FloatString string  `valid:"float"`
	IntNum      int     `valid:"float"`
	FloatNum32  float32 `valid:"float"`
	FloatNum64  float64 `valid:"float"`
}

v := &Tmp{
	FloatString: "1.1",
	IntNum:      10,
	FloatNum32:  12.5,
	FloatNum64:  1.0,
}

fmt.Println(ValidateStruct(v))

Output:

"Tmp.IntNum" input "10" is not float

func Ge

func Ge(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

Ge 大于或等于验证 1. 如果为字符串则是验证字符个数 2. 如果是数字的话就验证数字的大小 3. 如果是切片的话就验证的长度

Example

type Tmp struct {
	Name string `valid:"ge=1"`
	Age  int32  `valid:"ge=0"`
}
v := &Tmp{Name: "测试调", Age: -1}
fmt.Println(ValidateStruct(v))

Output:

"Tmp.Age" input "-1" numSize less than 0

func GetDumpStructStr

func GetDumpStructStr(v interface{}) string

GetDumpStructStr 获取待 dump 的结构体字符串, 支持 json 格式化 只会把字段名解析成 key, 值为 value GetDumpStructStrForJson 性能较好, 只是在有 json_tag 的时候会用 json_tag 作为 key

func GetDumpStructStrForJson

func GetDumpStructStrForJson(v interface{}) string

GetDumpStructStrForJson 先 json 序列化, 再获取

func GetJoinValidErrStr

func GetJoinValidErrStr(objName, fieldName, inputVal string, others ...string) (res string)

GetJoinValidErrStr 获取拼接验证的错误消息, 内容直接通过空格隔开, 最后会拼接 errEndFlag

func Gt

func Gt(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

Gt 大于验证 1. 如果为字符串则是验证字符个数 2. 如果是数字的话就验证数字的大小 3. 如果是切片的话就验证的长度

Example

type Tmp struct {
	Name string `valid:"gt=2"`
	Age  int32  `valid:"gt=0"`
}
v := &Tmp{Name: "测试", Age: -1}
fmt.Println(ValidateStruct(v))

Output:

"Tmp.Name" input "测试" strLength less than or equal 2; "Tmp.Age" input "-1" numSize less than or equal 0

func IDCard

func IDCard(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

IDCard 验证身份证

func In

func In(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

In 指定输入选项(精准匹配)

Example

type Tmp struct {
	SelectNum int32  `valid:"in=(1/2/3/4)"`
	SelectStr string `valid:"in=(a/b/c/d)"`
}
v := &Tmp{SelectNum: 1, SelectStr: "ac"}
fmt.Println(ValidateStruct(v))

Output:

"Tmp.SelectStr" input "ac" should in (a/b/c/d)

func Include

func Include(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

Include 指定包含什么字符串(模糊匹配)

Example

type Tmp struct {
	SelectStr string `valid:"include=(hello/test)"`
}
v := &Tmp{SelectStr: "hel"}
fmt.Println(ValidateStruct(v))

Output:

"Tmp.SelectStr" input "hel" should include (hello/test)

func Int

func Int(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

Int 验证整数

Example

type Tmp struct {
	IntString string  `valid:"int"`
	IntNum    int     `valid:"int"`
	FloatNum  float32 `valid:"int"`
}

v := &Tmp{
	IntString: "11",
	IntNum:    1,
	FloatNum:  1.2,
}
fmt.Println(ValidateStruct(&v))

Output:

"Tmp.FloatNum" input "1.2" is not integer

func Le

func Le(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

Le 小于或等于验证 1. 如果为字符串则是验证字符个数 2. 如果是数字的话就验证数字的大小 3. 如果是切片的话就验证的长度

Example

type Tmp struct {
	Name string `valid:"le=2"`
	Age  int32  `valid:"le=0"`
}
v := &Tmp{Name: "测试调", Age: 1}
fmt.Println(ValidateStruct(v))

Output:

"Tmp.Name" input "测试调" strLength more than 2; "Tmp.Age" input "1" numSize more than 0

func Lt

func Lt(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

Lt 小于验证, 如果为字符串则是验证字符个数, 如果是数字的话就验证数字的大小

Example

type Tmp struct {
	Name string `valid:"lt=2"`
	Age  int32  `valid:"lt=40"`
}
v := &Tmp{Name: "测试", Age: 99}
fmt.Println(ValidateStruct(v))

Output:

"Tmp.Name" input "测试" strLength more than or equal 2; "Tmp.Age" input "99" numSize more than or equal 40

func NewDumpStruct

func NewDumpStruct() *dumpStruct

func NewVStruct

func NewVStruct(targetTag ...string) *vStruct

NewVStruct 验证结构体, 默认目标 tagName 为 "valid"

func NoEq

func NoEq(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

NoEq 不等于验证 1. 如果为字符串则是验证字符个数 2. 如果是数字的话就验证数字的大小 3. 如果是切片的话就验证的长度

Example

type Tmp struct {
	Name  string  `valid:"required,noeq=3"`
	Age   int32   `valid:"required,noeq=20"`
	Score float64 `valid:"noeq=80"`
	Phone string  `valid:"noeq=11"`
}
v := &Tmp{
	Name:  "xue",
	Age:   20,
	Score: 80,
	Phone: "1354004261",
}
fmt.Println(ValidateStruct(v))

Output:

"Tmp.Name" input "xue" strLength should no equal 3; "Tmp.Age" input "20" numSize should no equal 20; "Tmp.Score" input "80" numSize should no equal 80

func OTo

func OTo(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

OTo 验证输入的大小区间, 注: 左右都为开区间 1. 如果为字符串则是验证字符个数 2. 如果是数字的话就验证数字的大小 3. 如果是切片的话就验证的长度

func ParseValidNameKV

func ParseValidNameKV(validName string) (key, value string)

ParseValidNameKV 解析 validName 中的 key 和 value, 如: "required", key 为 "required", value 为 "" 如: "to=1~2", key 为 "to", value 为 "1~2"

func Phone

func Phone(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

Phone 验证手机号

Example

type Tmp struct {
	Phone string `valid:"phone"`
}
v := &Tmp{Phone: "1"}
fmt.Println(ValidateStruct(v))

Output:

"Tmp.Phone" input "1" is not phone

func SetCustomerValidFn

func SetCustomerValidFn(validName string, fn CommonValidFn)

Deprecated 此函数会修改全局变量, 会导致内存释放不了, 此推荐 ValidStructForMyValidFn SetCustomerValidFn 自定义验证函数

Example

type Tmp struct {
	Name string `valid:"required"`
	Age  string `valid:"num"`
}

isNumFn := func(errBuf *strings.Builder, validName, structName, fieldName string, tv reflect.Value) {
	ok, _ := regexp.MatchString("^\\d+$", tv.String())
	if !ok {
		errBuf.WriteString(fmt.Sprintf("%q is not num", structName+"."+fieldName))
		return
	}
}

// 弃用
SetCustomerValidFn("num", isNumFn)
v := Tmp{Name: "12", Age: "1ha"}
fmt.Println(ValidateStruct(&v))

Output:

"Tmp.Age" is not num

func To

func To(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

To 验证输入的大小区间, 注: 左右都为闭区间 1. 如果为字符串则是验证字符个数 2. 如果是数字的话就验证数字的大小 3. 如果是切片的话就验证的长度

Example

type Tmp struct {
	Name string `valid:"to=1~3"`
	Age  int32  `valid:"to=0~99"`
	Addr string `valid:"to=3~10"`
}
v := &Tmp{Name: "测试调", Age: 100, Addr: "tets"}
fmt.Println(ValidateStruct(v))

Output:

"Tmp.Age" input "100" numSize more than 99

func ValidStructForMyValidFn

func ValidStructForMyValidFn(src interface{}, validName string, validFn CommonValidFn, targetTag ...string) error

ValidStructForMyValidFn 自定义单个验证函数

func ValidStructForRule

func ValidStructForRule(ruleObj RM, src interface{}, targetTag ...string) error

ValidStructForRule 自定义验证规则并验证 注: 通过字段名来匹配规则, 如果嵌套中如果有相同的名的都会走这个规则, 因此建议这种方式推荐使用非嵌套结构体

func ValidateStruct

func ValidateStruct(src interface{}, targetTag ...string) error

ValidateStruct 验证结构体

func Year

func Year(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

Year 验证年

func Year2Month

func Year2Month(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

Year2Month 验证年月 默认匹配 xxxx-xx, 可以指定分割符

Types

type CommonValidFn

type CommonValidFn func(errBuf *strings.Builder, validName, objName, fieldName string, tv reflect.Value)

CommonValidFn 通用验证函数, 主要用于回调 注: 再写 errBuf 的时候建议用 GetJoinValidErrStr 包裹下, 这样结果显示易读

type RM

type RM map[string]string

RM 字段的自定义验证规则, key 为字段名, value 为验证规则

func NewRule

func NewRule() RM

func (RM) Get

func (r RM) Get(fieldName string) string

Get 获取验证规则

func (RM) Set

func (r RM) Set(filedNames string, rules ...string) RM

Set 设置验证规则 fieldName 多个字段通过逗号隔开 rules 多个字段通过逗号隔开