utils

package
v1.0.1 Latest Latest
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 Go to latest Published: Aug 31, 2023 License: Apache-2.0 Imports: 28 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	BYTE = 1 << (10 * iota)
	KILOBYTE
	MEGABYTE
	GIGABYTE
	TERABYTE
	PETABYTE
	EXABYTE
)
View Source 
const (
	TimeOffset = 8 * 3600  //8 hour offset
	HalfOffset = 12 * 3600 //Half-day hourly offset
)

Variables

View Source 
var ServerIP = ""

Functions

func AesDecrypt 

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

func AesEncrypt 

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

func Base64Decode 

func Base64Decode(data string) string

func Base64Encode 

func Base64Encode(data string) string

func Batch 

func Batch[T any, V any](fn func(T) V, ts []T) []V

func BothExist 

func BothExist[E comparable](es ...[]E) []E

BothExist 获取切片中共同存在的元素(交集)

func BothExistAny 

func BothExistAny[E any, K comparable](es [][]E, fn func(e E) K) []E

BothExistAny 获取切片中共同存在的元素(交集)

func ByteSize 

func ByteSize(bytes uint64) string

func Complete 

func Complete[E comparable](a []E, b []E) bool

Complete a和b去重后是否相等(忽略顺序)

func Contain 

func Contain[E comparable](e E, es ...E) bool

Contain 是否包含

func CopyStructFields 

func CopyStructFields(a interface{}, b interface{}, fields ...string) (err error)

copy a by b b->a

func Delete 

func Delete[E any](es []E, index ...int) []E

Delete 删除切片元素, 支持负数删除倒数第几个

func DeleteAt 

func DeleteAt[E any](es *[]E, index ...int) []E

DeleteAt 删除切片元素, 支持负数删除倒数第几个

func Difference 

func Difference(slice1, slice2 []int64) []int64

Get the diff of two slices

func DifferenceString 

func DifferenceString(slice1, slice2 []string) []string

Get the diff of two slices

func Distinct 

func Distinct[T comparable](ts []T) []T

Distinct 去重

func DistinctAny 

func DistinctAny[E any, K comparable](es []E, fn func(e E) K) []E

DistinctAny 去重

func DistinctAnyGetComparable 

func DistinctAnyGetComparable[E any, K comparable](es []E, fn func(e E) K) []K

func Duplicate 

func Duplicate[E comparable](es []E) bool

Duplicate 是否有重复的

func DuplicateAny 

func DuplicateAny[E any, K comparable](es []E, fn func(e E) K) bool

DuplicateAny 是否有重复的

func Equal 

func Equal[E comparable](a []E, b []E) bool

Equal 比较切片是否相对(包括元素顺序)

func Filter 

func Filter[E, T any](es []E, fn func(e E) (T, bool)) []T

func GenConversationIDForSingle 

func GenConversationIDForSingle(sendID, recvID string) string

func GenConversationUniqueKeyForGroup 

func GenConversationUniqueKeyForGroup(groupID string) string

func GenConversationUniqueKeyForSingle 

func GenConversationUniqueKeyForSingle(sendID, recvID string) string

func GenGroupConversationID 

func GenGroupConversationID(groupID string) string

func GenID 

func GenID() string

func GenIDs 

func GenIDs(count int) []string

func GenSmallImage 

func GenSmallImage(src, dst string) error

func GetCurDayHalfTimeFormat 

func GetCurDayHalfTimeFormat() string

Get the formatted time at 12 o'clock of the day, the format is "2006-01-02_12-00-00"

func GetCurDayHalfTimestamp 

func GetCurDayHalfTimestamp() int64

Get the timestamp at 12 o'clock on the day

func GetCurDayZeroTimeFormat 

func GetCurDayZeroTimeFormat() string

Get the formatted time at 0 o'clock of the day, the format is "2006-01-02_00-00-00"

func GetCurDayZeroTimestamp 

func GetCurDayZeroTimestamp() int64

Get the timestamp at 0 o'clock of the day

func GetCurrentTimestampByMill 

func GetCurrentTimestampByMill() int64

Get the current timestamp by Mill

func GetCurrentTimestampByNano 

func GetCurrentTimestampByNano() int64

Get the current timestamp by Nano

func GetCurrentTimestampBySecond 

func GetCurrentTimestampBySecond() int64

Get the current timestamp by Second

func GetFuncName 

func GetFuncName(skips ...int) string

func GetHashCode 

func GetHashCode(s string) uint32

func GetLocalIP 

func GetLocalIP() (string, error)

func GetMsgID 

func GetMsgID(sendID string) string

func GetNotificationConversationIDByConversationID 

func GetNotificationConversationIDByConversationID(conversationID string) string

func GetSelfFuncName 

func GetSelfFuncName() string

func GetSelfNotificationConversationID 

func GetSelfNotificationConversationID(userID string) string

func GetSeqsBeginEnd 

func GetSeqsBeginEnd(seqs []int64) (int64, int64)

func GetSwitchFromOptions 

func GetSwitchFromOptions(Options map[string]bool, key string) (result bool)

func GetTimeStampByFormat 

func GetTimeStampByFormat(datetime string) string

func HasKey 

func HasKey[K comparable, V any](m map[K]V, k K) bool

HasKey get whether the map contains key

func If 

func If[T any](isa bool, a, b T) T

If true -> a, false -> b

func IndexAny 

func IndexAny[E any, K comparable](e E, es []E, fn func(e E) K) int

IndexAny get the index of the element

func IndexOf 

func IndexOf[E comparable](e E, es ...E) int

IndexOf get the index of the element

func InitMap 

func InitMap[K comparable, V any](val *map[K]V)

func InitSlice 

func InitSlice[T any](val *[]T)

func Int32ToString 

func Int32ToString(i int32) string

func Int64ToString 

func Int64ToString(i int64) string

func IntToString 

func IntToString(i int) string

func InterfaceArrayToStringArray 

func InterfaceArrayToStringArray(data []interface{}) (i []string)

func Intersect 

func Intersect(slice1, slice2 []int64) []int64

Get the intersection of two slices

func IntersectString 

func IntersectString(slice1, slice2 []string) []string

Get the intersection of two slices

func IsContain 

func IsContain(target string, List []string) bool

judge a string whether in the string list

func IsContainInt 

func IsContainInt(target int, List []int) bool

func IsContainInt32 

func IsContainInt32(target int32, List []int32) bool

func IsDir 

func IsDir(path string) bool

Determine whether the given path is a folder

func IsDuplicateStringSlice 

func IsDuplicateStringSlice(arr []string) bool

func IsFile 

func IsFile(path string) bool

Determine whether the given path is a file

func JsonStringToMap 

func JsonStringToMap(str string) (tempMap map[string]int32)

func JsonStringToStruct 

func JsonStringToStruct(s string, args interface{}) error

The incoming parameter must be a pointer

func Keys 

func Keys[K comparable, V any](kv map[K]V) []K

Keys get map keys

func MapIntToJsonString 

func MapIntToJsonString(param map[string]int32) string

func MapToJsonString 

func MapToJsonString(param map[string]interface{}) string

func Max 

func Max[E Ordered](e ...E) E

Max get maximum value

func Md5 

func Md5(s string, salt ...string) string

func Min 

func Min[E Ordered](e ...E) E

Min get minimum value

func MkDir 

func MkDir(path string) error

Create a directory

func NotNilReplace 

func NotNilReplace[T any](old, new_ *T)

NotNilReplace 当new_不为空时, 将old设置为new_

func OperationIDGenerator 

func OperationIDGenerator() string

func Order 

func Order[E comparable, T any](es []E, ts []T, fn func(t T) E) []T

Order 将ts按es排序

func OrderPtr 

func OrderPtr[E comparable, T any](es []E, ts *[]T, fn func(t T) E) []T

func Paginate 

func Paginate[E any](es []E, pageNumber int, showNumber int) []E

func RemoveDuplicate 

func RemoveDuplicate[T comparable](arr []T) []T

func RemoveDuplicateElement 

func RemoveDuplicateElement(idList []string) []string

func SetSwitchFromOptions 

func SetSwitchFromOptions(options map[string]bool, key string, value bool)

func Single 

func Single[E comparable](a, b []E) []E

Single a中存在,b中不存在 或 b中存在,a中不存在

func Slice 

func Slice[E any, T any](es []E, fn func(e E) T) []T

Slice 批量转换切片类型

func SliceAnySub 

func SliceAnySub[E any, T comparable](a, b []E, fn func(t E) T) []E

SliceAnySub a中存在,b中不存在 (a-b) fn 返回的是uuid

func SliceSet 

func SliceSet[E comparable](es []E) map[E]struct{}

SliceSet slice to map[E]struct{}

func SliceSetAny 

func SliceSetAny[E any, K comparable](es []E, fn func(e E) K) map[K]struct{}

SliceSetAny slice to map[K]struct{}

func SliceSub 

func SliceSub[E comparable](a, b []E) []E

SliceSub a中存在,b中不存在 (a-b)

func SliceSubAny 

func SliceSubAny[E comparable, T any](a []E, b []T, fn func(t T) E) []E

SliceSubAny a中存在,b中不存在 (a-b)

func SliceToMap 

func SliceToMap[E any, K comparable](es []E, fn func(e E) K) map[K]E

SliceToMap slice to map

func SliceToMapAny 

func SliceToMapAny[E any, K comparable, V any](es []E, fn func(e E) (K, V)) map[K]V

SliceToMapAny slice to map (自定义类型)

func SliceToMapOkAny 

func SliceToMapOkAny[E any, K comparable, V any](es []E, fn func(e E) (K, V, bool)) map[K]V

SliceToMapOkAny slice to map (自定义类型, 筛选)

func Sort 

func Sort[E Ordered](es []E, asc bool) []E

Sort basic type sorting

func SortAny 

func SortAny[E any](es []E, fn func(a, b E) bool)

SortAny custom sort method

func StringToInt 

func StringToInt(i string) int

func StringToInt32 

func StringToInt32(i string) int32

func StringToInt64 

func StringToInt64(i string) int64

func StructToJsonBytes 

func StructToJsonBytes(param interface{}) []byte

func StructToJsonString 

func StructToJsonString(param interface{}) string

func TimeStringFormatTimeUnix 

func TimeStringFormatTimeUnix(timeFormat string, timeSrc string) int64

func TimeStringToTime 

func TimeStringToTime(timeString string) (time.Time, error)

func TimeToString 

func TimeToString(t time.Time) string

func ToPtr 

func ToPtr[T any](t T) *T

func Uint32ToString 

func Uint32ToString(i uint32) string

func UniqueJoin 

func UniqueJoin(s ...string) string

func UnixMillSecondToTime 

func UnixMillSecondToTime(millSecond int64) time.Time

func UnixNanoSecondToTime 

func UnixNanoSecondToTime(nanoSecond int64) time.Time

Convert nano timestamp to time.Time type

func UnixSecondToTime 

func UnixSecondToTime(second int64) time.Time

Convert timestamp to time.Time type

func Unwrap 

func Unwrap(err error) error

func Values 

func Values[K comparable, V any](kv map[K]V) []V

Values get map values

func WithMessage 

func WithMessage(err error, message string) error

func Wrap 

func Wrap(err error, message string) error

func Wrap1 

func Wrap1(err error) error

func Wrap2 

func Wrap2[T any](a T, err error) (T, error)

func Wrap3 

func Wrap3[T any, V any](a T, b V, err error) (T, V, error)

Types

type Map 

type Map struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

func (*Map) Del 

func (m *Map) Del(key interface{})

func (*Map) Get 

func (m *Map) Get(key interface{}) interface{}

func (*Map) Len 

func (m *Map) Len() int

func (*Map) LockRange 

func (m *Map) LockRange(f func(interface{}, interface{}))

func (*Map) RLockRange 

func (m *Map) RLockRange(f func(interface{}, interface{}))

func (*Map) Set 

func (m *Map) Set(key interface{}, value interface{})

func (*Map) TestAndSet 

func (m *Map) TestAndSet(key interface{}, value interface{}) interface{}

func (*Map) UnsafeDel 

func (m *Map) UnsafeDel(key interface{})

func (*Map) UnsafeGet 

func (m *Map) UnsafeGet(key interface{}) interface{}

func (*Map) UnsafeLen 

func (m *Map) UnsafeLen() int

func (*Map) UnsafeRange 

func (m *Map) UnsafeRange(f func(interface{}, interface{}))

func (*Map) UnsafeSet 

func (m *Map) UnsafeSet(key interface{}, value interface{})

type Ordered 

type Ordered interface {
	~int | ~int8 | ~int16 | ~int32 | ~int64 | ~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr | ~float32 | ~float64 | ~string
}

Ordered types that can be sorted

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