util

package
v1.3.122 Latest Latest
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 Go to latest Published: Dec 15, 2024 License: MIT Imports: 30 Imported by: 5

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Index

Constants

View Source 
const CSTLayout = "2006-01-02 15:04:05"
View Source 
const CSTLayoutWithMillisecond = "2006-01-02 15:04:05.0000"

Variables

View Source 
var (
	// Epoch is set to Oct 10 2010 10:10:10 UTC in milliseconds
	// You may customize this to set a different epoch for your application.
	Epoch int64 = 1286676610000

	// NodeBits holds the number of bits to use for SnowFlakeNode
	// Remember, you have a total 22 bits to share between SnowFlakeNode/Step
	NodeBits uint8 = 10

	// StepBits holds the number of bits to use for Step
	// Remember, you have a total 22 bits to share between SnowFlakeNode/Step
	StepBits uint8 = 12
)
View Source 
var ErrInvalidBase32 = errors.New("invalid base32")

ErrInvalidBase32 is returned by ParseBase32 when given an invalid []byte

View Source 
var ErrInvalidBase58 = errors.New("invalid base58")

ErrInvalidBase58 is returned by ParseBase58 when given an invalid []byte

Functions

func AesDecrypt 

func AesDecrypt(data []byte, key []byte) ([]byte, error)

AesDecrypt Decrypt

func AesEncrypt 

func AesEncrypt(data []byte, key []byte) ([]byte, error)

AesEncrypt Encrypt

func CopyFile added in v1.3.109 

func CopyFile(srcFile, dstFile string, delSource bool) (err error)

func CryptoByMd5 

func CryptoByMd5(data []byte, saltVal []byte) []byte

func DecryptByAes 

func DecryptByAes(data, pwdKey string) (string, error)

DecryptByAes Decrypt using AES

func EncryptByAes 

func EncryptByAes(data, pwdKey string) (string, error)

EncryptByAes Encrypt using AES and then base64 encode

func ExistIntArray 

func ExistIntArray(val int, array []int) bool

ExistIntArray 是否存在数组中

func ExtractSummary 

func ExtractSummary(content string) string

ExtractSummary 抽取摘要

func ExtractTelephone 

func ExtractTelephone(val string) (ret string)

func GenerateKey added in v1.3.109 

func GenerateKey(pwdKey []byte) []byte

GenerateKey Generates a secure key using SHA-256

func GetAbove added in v1.2.6 

func GetAbove(val string) interface{}

func GetBelow added in v1.2.6 

func GetBelow(val string) interface{}

func GetEqual added in v1.2.6 

func GetEqual(val string) interface{}

func GetIn added in v1.2.6 

func GetIn(val string) interface{}

func GetLike added in v1.2.6 

func GetLike(val string) interface{}

func GetNotEqual added in v1.2.6 

func GetNotEqual(val string) interface{}

func GetNotIn added in v1.2.6 

func GetNotIn(val string) interface{}

func GetStack added in v1.3.49 

func GetStack(skip int) []byte

func IntArray2Str 

func IntArray2Str(ids []int) string

IntArray2Str 数字数组转字符串

func LoadConfig 

func LoadConfig(filePath string, ptr interface{}) (err error)

func MarshalString 

func MarshalString(val interface{}) string

func NewUUID added in v1.3.4 

func NewUUID() string

func RandomAlphaOrNumeric 

func RandomAlphaOrNumeric(count uint, letters, numbers bool) string

RandomAlphaOrNumeric Creates a random string whose length is the number of characters specified.

Characters will be chosen from the set of alpha-numeric characters as indicated by the arguments.

Param count - the length of random string to create Param letters - if true, generated string will include 

alphabetic characters

Param numbers - if true, generated string will include 

numeric characters

func RandomAlphabetic 

func RandomAlphabetic(count uint) string

RandomAlphabetic Creates a random string whose length is the number of characters specified. Characters will be chosen from the set of alphabetic characters.

func RandomAlphanumeric 

func RandomAlphanumeric(count uint) string

RandomAlphanumeric Creates a random string whose length is the number of characters specified. Characters will be chosen from the set of alpha-numeric characters.

func RandomAscII 

func RandomAscII(count uint) string

RandomAscII Creates a random string whose length is the number of characters specified. Characters will be chosen from the set of characters whose ASCII value is between 32 and 126 (inclusive).

func RandomIdentifyCode 

func RandomIdentifyCode() string

RandomIdentifyCode 生成6位随机数验证码

func RandomNumeric 

func RandomNumeric(count uint) string

RandomNumeric Creates a random string whose length is the number of characters specified. Characters will be chosen from the set of numeric characters.

func RandomSpec0 

func RandomSpec0(count uint, start, end int, letters, numbers bool,
	chars []rune, rand *rand.Rand) string

RandomSpec0 Creates a random string based on a variety of options, using supplied source of randomness.

If start and end are both 0, start and end are set to ' ' and 'z', the ASCII printable characters, will be used, unless letters and numbers are both false, in which case, start and end are set to 0 and math.MaxInt32.

If set is not nil, characters between start and end are chosen.

This method accepts a user-supplied rand.Rand instance to use as a source of randomness. By seeding a single rand.Rand instance with a fixed seed and using it for each call, the same random sequence of strings can be generated repeatedly and predictably.

func RandomSpec1 

func RandomSpec1(count uint, start, end int, letters, numbers bool) string

RandomSpec1 Creates a random string whose length is the number of characters specified.

Characters will be chosen from the set of alpha-numeric characters as indicated by the arguments.

Param count - the length of random string to create Param start - the position in set of chars to start at Param end - the position in set of chars to end before Param letters - if true, generated string will include 

alphabetic characters

Param numbers - if true, generated string will include 

numeric characters

func RandomString 

func RandomString(count uint) string

RandomString RandomString

func RandomStringSpec0 

func RandomStringSpec0(count uint, set []rune) string

RandomStringSpec0 RandomStringSpec0

func RandomStringSpec1 

func RandomStringSpec1(count uint, set string) string

RandomStringSpec1 RandomStringSpec1

func SameIntArray 

func SameIntArray(val []int, array []int) bool

SameIntArray 是否存在数组中

func SaveConfig 

func SaveConfig(filePath string, ptr interface{}) (err error)

func Str2IntArray 

func Str2IntArray(str string) ([]int, bool)

Str2IntArray 字符串转换成数字数组

func UnmarshalString 

func UnmarshalString(val string) interface{}

func ValidateFunc 

func ValidateFunc(fun interface{})

ValidateFunc 校验是否是函数

func ValidatePtr 

func ValidatePtr(ptr interface{})

ValidatePtr 校验是否是指针

Types

type CatalogObjectRegistry 

type CatalogObjectRegistry interface {
	Put(id, catalog string, object interface{})
	Get(id, catalog string) interface{}
	Sort(catalog string, sorter ObjectSorter)
	FetchList(catalog string, pageFilter *Pagination) *ObjectList
	Filter(catalog string, filter Filter, pageFilter *Pagination) *ObjectList
	Remove(id, catalog string)
}

CatalogObjectRegistry catalog object registry

func NewCatalogRegistry 

func NewCatalogRegistry() CatalogObjectRegistry

NewCatalogRegistry create new catalog registry

type ContentFilter 

type ContentFilter struct {
	PaginationPtr *Pagination `json:"pagination"`
	ParamItems    *ParamItems `json:"params"`
}

ContentFilter 过滤器

func NewFilter 

func NewFilter(name, pkgPath string) *ContentFilter

NewFilter new filter

func (*ContentFilter) Above 

func (s *ContentFilter) Above(key string, value interface{})

func (*ContentFilter) Below 

func (s *ContentFilter) Below(key string, value interface{})

func (*ContentFilter) BindEntity added in v1.3.14 

func (s *ContentFilter) BindEntity(name, pkgPath string)

func (*ContentFilter) Decode 

func (s *ContentFilter) Decode(request *http.Request)

Decode 内容过滤器

func (*ContentFilter) Encode 

func (s *ContentFilter) Encode(vals url.Values) url.Values

Encode encode filter

func (*ContentFilter) Equal 

func (s *ContentFilter) Equal(key string, value interface{})

func (*ContentFilter) Get 

func (s *ContentFilter) Get(key string) (val string, ok bool)

func (*ContentFilter) GetAbove added in v1.3.18 

func (s *ContentFilter) GetAbove(key string) interface{}

func (*ContentFilter) GetBelow added in v1.3.18 

func (s *ContentFilter) GetBelow(key string) interface{}

func (*ContentFilter) GetEqual added in v1.3.18 

func (s *ContentFilter) GetEqual(key string) interface{}

func (*ContentFilter) GetIn added in v1.3.18 

func (s *ContentFilter) GetIn(key string) interface{}

func (*ContentFilter) GetLike added in v1.3.18 

func (s *ContentFilter) GetLike(key string) interface{}

func (*ContentFilter) GetName added in v1.3.1 

func (s *ContentFilter) GetName() string

func (*ContentFilter) GetNotEqual added in v1.3.18 

func (s *ContentFilter) GetNotEqual(key string) interface{}

func (*ContentFilter) GetNotIn added in v1.3.18 

func (s *ContentFilter) GetNotIn(key string) interface{}

func (*ContentFilter) GetPkgKey added in v1.3.62 

func (s *ContentFilter) GetPkgKey() string

func (*ContentFilter) GetPkgPath added in v1.3.1 

func (s *ContentFilter) GetPkgPath() string

func (*ContentFilter) In 

func (s *ContentFilter) In(key string, value interface{})

func (*ContentFilter) Like 

func (s *ContentFilter) Like(key string, value interface{})

func (*ContentFilter) NotEqual 

func (s *ContentFilter) NotEqual(key string, value interface{})

func (*ContentFilter) NotIn 

func (s *ContentFilter) NotIn(key string, value interface{})

func (*ContentFilter) Pagination 

func (s *ContentFilter) Pagination(ptr *Pagination)

func (*ContentFilter) Remove 

func (s *ContentFilter) Remove(key string)

func (*ContentFilter) Set 

func (s *ContentFilter) Set(key string, value interface{})

func (*ContentFilter) SortFilter added in v1.3.10 

func (s *ContentFilter) SortFilter(ptr *SortFilter)

func (*ContentFilter) ValueMask added in v1.3.10 

func (s *ContentFilter) ValueMask(val any)

type Filter 

type Filter interface {
	Filter(val interface{}) bool
}

Filter value filter

type ID added in v1.3.4 

type ID int64

An ID is a custom type used for a snowflake ID. This is used so we can attach methods onto the ID.

func ParseBase2 added in v1.3.4 

func ParseBase2(id string) (ID, error)

ParseBase2 converts a Base2 string into a snowflake ID

func ParseBase32 added in v1.3.4 

func ParseBase32(b []byte) (ID, error)

ParseBase32 parses a base32 []byte into a snowflake ID NOTE: There are many different base32 implementations so becareful when doing any interoperation.

func ParseBase36 added in v1.3.4 

func ParseBase36(id string) (ID, error)

ParseBase36 converts a Base36 string into a snowflake ID

func ParseBase58 added in v1.3.4 

func ParseBase58(b []byte) (ID, error)

ParseBase58 parses a base58 []byte into a snowflake ID

func ParseBase64 added in v1.3.4 

func ParseBase64(id string) (ID, error)

ParseBase64 converts a base64 string into a snowflake ID

func ParseBytes added in v1.3.4 

func ParseBytes(id []byte) (ID, error)

ParseBytes converts a byte slice into a snowflake ID

func ParseInt64 added in v1.3.4 

func ParseInt64(id int64) ID

ParseInt64 converts an int64 into a snowflake ID

func ParseIntBytes added in v1.3.4 

func ParseIntBytes(id [8]byte) ID

ParseIntBytes converts an array of bytes encoded as big endian integer as a snowflake ID

func ParseString added in v1.3.4 

func ParseString(id string) (ID, error)

ParseString converts a string into a snowflake ID

func (ID) Base2 added in v1.3.4 

func (f ID) Base2() string

Base2 returns a string base2 of the snowflake ID

func (ID) Base32 added in v1.3.4 

func (f ID) Base32() string

Base32 uses the z-base-32 character set but encodes and decodes similar to base58, allowing it to create an even smaller result string. NOTE: There are many different base32 implementations so becareful when doing any interoperation.

func (ID) Base36 added in v1.3.4 

func (f ID) Base36() string

Base36 returns a base36 string of the snowflake ID

func (ID) Base58 added in v1.3.4 

func (f ID) Base58() string

Base58 returns a base58 string of the snowflake ID

func (ID) Base64 added in v1.3.4 

func (f ID) Base64() string

Base64 returns a base64 string of the snowflake ID

func (ID) Bytes added in v1.3.4 

func (f ID) Bytes() []byte

Bytes returns a byte slice of the snowflake ID

func (ID) Int64 added in v1.3.4 

func (f ID) Int64() int64

Int64 returns an int64 of the snowflake ID

func (ID) IntBytes added in v1.3.4 

func (f ID) IntBytes() [8]byte

IntBytes returns an array of bytes of the snowflake ID, encoded as a big endian integer.

func (ID) MarshalJSON added in v1.3.4 

func (f ID) MarshalJSON() ([]byte, error)

MarshalJSON returns a json byte array string of the snowflake ID.

func (ID) Node added in v1.3.4 

func (f ID) Node() int64

SnowFlakeNode returns an int64 of the snowflake ID node number DEPRECATED: the below function will be removed in a future release.

func (ID) Step added in v1.3.4 

func (f ID) Step() int64

Step returns an int64 of the snowflake step (or sequence) number DEPRECATED: the below function will be removed in a future release.

func (ID) String added in v1.3.4 

func (f ID) String() string

String returns a string of the snowflake ID

func (ID) Time added in v1.3.4 

func (f ID) Time() int64

Time returns an int64 unix timestamp in milliseconds of the snowflake ID time DEPRECATED: the below function will be removed in a future release.

func (*ID) UnmarshalJSON added in v1.3.4 

func (f *ID) UnmarshalJSON(b []byte) error

UnmarshalJSON converts a json byte array of a snowflake ID into an ID type.

type JSONSyntaxError added in v1.3.4 

type JSONSyntaxError struct {
	// contains filtered or unexported fields
}

A JSONSyntaxError is returned from UnmarshalJSON if an invalid ID is provided.

func (JSONSyntaxError) Error added in v1.3.4 

func (j JSONSyntaxError) Error() string

type ObjectList 

type ObjectList []interface{}

ObjectList object list

type ObjectRegistry 

type ObjectRegistry interface {
	Put(id string, object interface{})
	Get(id string) interface{}
	Sort(sorter ObjectSorter)
	FetchList(pageFilter *Pagination) *ObjectList
	Filter(filter Filter, pageFilter *Pagination) *ObjectList
	Remove(id string)
}

ObjectRegistry object 仓库

func NewRegistry 

func NewRegistry() ObjectRegistry

NewRegistry create new Registry

type ObjectSorter 

type ObjectSorter interface {
	Less(left, right interface{}) bool
}

ObjectSorter help object slice sort

type Pagination 

type Pagination struct {
	// 单页条目数
	PageSize int `json:"pageSize"`
	// 页码
	PageNum int `json:"pageNum"`
}

Pagination 页面过滤器

func DefaultPagination 

func DefaultPagination() *Pagination

func NewPagination 

func NewPagination(defaultSize, defaultNum int) *Pagination

func (*Pagination) Decode 

func (s *Pagination) Decode(request *http.Request) bool

Decode 从request里解析PageFilter

func (*Pagination) Encode 

func (s *Pagination) Encode(vals url.Values) url.Values

Encode encode url.Values

type ParamItems 

type ParamItems struct {
	Name       string            `json:"name"`
	PkgPath    string            `json:"pkgPath"`
	Items      map[string]string `json:"items"`
	SortFilter *SortFilter       `json:"sortFilter"`
	ValueMask  json.RawMessage   `json:"valueMask"`
}

ParamItems contentFilter

func (*ParamItems) Above added in v1.3.22 

func (s *ParamItems) Above(key string, value interface{})

func (*ParamItems) Below added in v1.3.22 

func (s *ParamItems) Below(key string, value interface{})

func (*ParamItems) Decode 

func (s *ParamItems) Decode(request *http.Request) bool

Decode 解析内容过滤值

func (*ParamItems) Encode 

func (s *ParamItems) Encode(vals url.Values) url.Values

Encode ParamItems

func (*ParamItems) Equal added in v1.3.22 

func (s *ParamItems) Equal(key string, value interface{})

func (*ParamItems) GetAbove 

func (s *ParamItems) GetAbove(key string) interface{}

func (*ParamItems) GetBelow 

func (s *ParamItems) GetBelow(key string) interface{}

func (*ParamItems) GetEqual 

func (s *ParamItems) GetEqual(key string) interface{}

func (*ParamItems) GetIn 

func (s *ParamItems) GetIn(key string) interface{}

func (*ParamItems) GetLike 

func (s *ParamItems) GetLike(key string) interface{}

func (*ParamItems) GetNotEqual 

func (s *ParamItems) GetNotEqual(key string) interface{}

func (*ParamItems) GetNotIn 

func (s *ParamItems) GetNotIn(key string) interface{}

func (*ParamItems) In added in v1.3.22 

func (s *ParamItems) In(key string, value interface{})

func (*ParamItems) IsAbove 

func (s *ParamItems) IsAbove(key string) bool

func (*ParamItems) IsBelow 

func (s *ParamItems) IsBelow(key string) bool

func (*ParamItems) IsEqual 

func (s *ParamItems) IsEqual(key string) bool

func (*ParamItems) IsIn 

func (s *ParamItems) IsIn(key string) bool

func (*ParamItems) IsLike 

func (s *ParamItems) IsLike(key string) bool

func (*ParamItems) IsNotEqual 

func (s *ParamItems) IsNotEqual(key string) bool

func (*ParamItems) IsNotIn 

func (s *ParamItems) IsNotIn(key string) bool

func (*ParamItems) Like added in v1.3.22 

func (s *ParamItems) Like(key string, value interface{})

func (*ParamItems) NotEqual added in v1.3.22 

func (s *ParamItems) NotEqual(key string, value interface{})

func (*ParamItems) NotIn added in v1.3.22 

func (s *ParamItems) NotIn(key string, value interface{})

type SnowFlakeNode added in v1.3.4 

type SnowFlakeNode struct {
	// contains filtered or unexported fields
}

A SnowFlakeNode struct holds the basic information needed for a snowflake generator node

func NewSnowFlakeNode added in v1.3.4 

func NewSnowFlakeNode(node int64) (*SnowFlakeNode, error)

NewSnowFlakeNode returns a new snowflake node that can be used to generate snowflake IDs

func (*SnowFlakeNode) Generate added in v1.3.4 

func (n *SnowFlakeNode) Generate() ID

Generate creates and returns a unique snowflake ID To help guarantee uniqueness - Make sure your system is keeping accurate system time - Make sure you never have multiple nodes running with the same node ID

type SortFilter 

type SortFilter struct {
	// true:升序,false:降序
	AscFlag bool `json:"ascFlag"`
	// 排序字段
	FieldName string `json:"fieldName"`
}

SortFilter 页面过滤器

func NewSortFilter 

func NewSortFilter(name string, ascFlag bool) *SortFilter

func (*SortFilter) AscSort 

func (s *SortFilter) AscSort() bool

func (*SortFilter) Name 

func (s *SortFilter) Name() string

Name return name

type SortHelper 

type SortHelper struct {
	// contains filtered or unexported fields
}

SortHelper sortHelper

func NewSortHelper 

func NewSortHelper(objList []interface{}, sorter ObjectSorter) *SortHelper

NewSortHelper new SortHelper

func (SortHelper) Len 

func (s SortHelper) Len() int

func (SortHelper) Less 

func (s SortHelper) Less(i, j int) bool

func (SortHelper) Swap 

func (s SortHelper) Swap(i, j int)

type StringSet 

type StringSet []string

func (StringSet) Add 

func (s StringSet) Add(val string) StringSet

func (StringSet) Empty 

func (s StringSet) Empty() bool

func (StringSet) Remove 

func (s StringSet) Remove(val string) StringSet

type Validator 

type Validator interface {
	Validate(value interface{}) error
}

func NewFormValidator 

func NewFormValidator() Validator

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