utils

Documentation

Index

• Constants
• Variables
• func BoolPointer(b bool) *bool
• func BoolToFloat64(a bool) float64
• func BoolToString(a bool) string
• func CheckStructFieldsEmpty(obj any) error
• func ConvertBytes(bytes float64) string
• func CopyFileByLine(dest, src string) (lineCount int64, err error)
• func DayStartTime(t time.Time) time.Time
• func EnsurePathExists(dirname string) error
• func FormatMysqlDumpTime(t *time.Time) string
• func GeneratePassword() string
• func JoinFlagName(prefix, key string) string
• func MakePassword(input string) (string, error)
• func NextDayStartTime(t time.Time) time.Time
• func RandomRune(n int, kind string) []rune
• func RoundTo(n float64, decimals uint32) float64
• func StrOrDef(s string, def string) string
• func TimeZeroToNull(t *time.Time) *time.Time
• func ToUint(id string) uint
• func UintToStr(i *uint) string
• func ValidPassword(input string) error
• func ValidatePassword(password string, hashedPassword string) error
• func WaitGroupWithTimeout(wg *sync.WaitGroup, timeout time.Duration) bool
• type DesEncryptor
  • func (e *DesEncryptor) DecryptBase64(input string) (string, error)
  • func (e *DesEncryptor) EncryptBase64(input string) (string, error)
  • func (e *DesEncryptor) Padding(cipherText []byte, blockSize int) []byte
  • func (e *DesEncryptor) UnPadding(data []byte) []byte

Constants

const (
	RuneKindNum   = "num"
	RuneKindLower = "lower"
	RuneKindUpper = "upper"
	RuneKindChar  = "char"
)

const (
	BYTE = 1 << (10 * iota)
	KILOBYTE
	MEGABYTE
	GIGABYTE
	TERABYTE
	PETABYTE
	EXABYTE
)

Variables

var (
	TimeForever               = time.Date(9893, time.December, 26, 0, 0, 0, 0, time.UTC) // 伟人8000年诞辰
	MaxDuration time.Duration = 1<<63 - 1
)

Functions

func BoolPointer

func BoolPointer(b bool) *bool

BoolPointer converts bool to *bool

func BoolToFloat64

func BoolToFloat64(a bool) float64

func BoolToString

func BoolToString(a bool) string

func CheckStructFieldsEmpty

func CheckStructFieldsEmpty(obj any) error

CheckStructFieldsEmpty check all struct fileds not empty. Now only check string and int.

func ConvertBytes

func ConvertBytes(bytes float64) string

ConvertBytes 保留两位小数

func CopyFileByLine

func CopyFileByLine(dest, src string) (lineCount int64, err error)

func DayStartTime

func DayStartTime(t time.Time) time.Time

DayStartTime 返回当天0点

func EnsurePathExists

func EnsurePathExists(dirname string) error

func FormatMysqlDumpTime

func FormatMysqlDumpTime(t *time.Time) string

func GeneratePassword

func GeneratePassword() string

func JoinFlagName

func JoinFlagName(prefix, key string) string

func MakePassword

func MakePassword(input string) (string, error)

func NextDayStartTime

func NextDayStartTime(t time.Time) time.Time

func RandomRune

func RandomRune(n int, kind string) []rune

func RoundTo

func RoundTo(n float64, decimals uint32) float64

保留n位小数

func StrOrDef

func StrOrDef(s string, def string) string

func TimeZeroToNull

func TimeZeroToNull(t *time.Time) *time.Time

func ToUint

func ToUint(id string) uint

func UintToStr

func UintToStr(i *uint) string

func ValidPassword

func ValidPassword(input string) error

func ValidatePassword

func ValidatePassword(password string, hashedPassword string) error

func WaitGroupWithTimeout

func WaitGroupWithTimeout(wg *sync.WaitGroup, timeout time.Duration) bool

WaitGroupWithTimeout waits for the waitgroup for the specified max timeout. Returns true if waiting timed out.

Types

type DesEncryptor

type DesEncryptor struct {
	Key []byte
}

func (*DesEncryptor) DecryptBase64

func (e *DesEncryptor) DecryptBase64(input string) (string, error)

func (*DesEncryptor) EncryptBase64

func (e *DesEncryptor) EncryptBase64(input string) (string, error)

func (*DesEncryptor) Padding

func (e *DesEncryptor) Padding(cipherText []byte, blockSize int) []byte

func (*DesEncryptor) UnPadding

func (e *DesEncryptor) UnPadding(data []byte) []byte