util

Documentation

Index

• Constants
• Variables
• func AbsInt64(n int64) int64
• func BeginningOfMonth(t time.Time) time.Time
• func CalcCurrentTimeGap(d string) (time.Time, error)
• func CheckFileExist(filePath string) (exist bool)
• func CheckPathExist(path string) bool
• func ConcatBytes(arr ...[]byte) []byte
• func ConcatStrings(arr ...[]string) []string
• func CreateDirPath(dirPath string) error
• func CreateFilePath(filePath string) error
• func CurrentMilliseconds() int64
• func CurrentTime() string
• func Decrypt(raw string, hashPassword string) int
• func Encrypt(key string) string
• func EncryptWithSalt(key string, salt string) string
• func EndOfMonth(t time.Time) time.Time
• func GBK2UTF8(s []byte) (string, error)
• func GenUUID() string
• func GetEnvInt(key string) int
• func GetEnvString(key string) string
• func GetInternalIPAddress() (string, error)
• func IndexOfInt32(s []int32, d int32) int
• func IndexOfString(s []string, substr string) int
• func InitLog(debug bool, logFile string) *zap.Logger
• func InitRotateLog(debug bool, logFile string) *zap.Logger
• func InitStructFromEnv(i interface{}) reflect.Value
• func MD5(s string) string
• func MD5Byte(b []byte) string
• func Max(x, y int64) int64
• func MaxInt(x, y int) int
• func MaxInt32(x, y int32) int32
• func Min(x, y int64) int64
• func MinInt(x, y int) int
• func MinInt32(x, y int32) int32
• func PrintEnvKey(i interface{})
• func RandString(n int) string
• func ToDateTimeString(i interface{}, s string) string
• func UTF82GBK(s string) ([]byte, error)

Constants

const NanoGap = 1000 * 1000

NanoGap export

Variables

var ErrorCannotSet = errors.New("can not set")

Functions

func AbsInt64

func AbsInt64(n int64) int64

AbsInt64 for int64

func BeginningOfMonth

func BeginningOfMonth(t time.Time) time.Time

BeginningOfMonth export

func CalcCurrentTimeGap

func CalcCurrentTimeGap(d string) (time.Time, error)

CalcCurrentTimeGap d = duration string

func CheckFileExist

func CheckFileExist(filePath string) (exist bool)

CheckFileExist for file

func CheckPathExist

func CheckPathExist(path string) bool

CheckPathExist check path exist

func ConcatBytes

func ConcatBytes(arr ...[]byte) []byte

ConcatBytes TL;DR

func ConcatStrings

func ConcatStrings(arr ...[]string) []string

ConcatStrings from string array

func CreateDirPath

func CreateDirPath(dirPath string) error

CreateDirPath make -p

func CreateFilePath

func CreateFilePath(filePath string) error

CreateFilePath make dir by file

func CurrentMilliseconds

func CurrentMilliseconds() int64

CurrentMilliseconds TL;DR

func CurrentTime

func CurrentTime() string

CurrentTime export

func Decrypt

func Decrypt(raw string, hashPassword string) int

Decrypt check hash string with salt return 0 equal, < less, > great

func Encrypt

func Encrypt(key string) string

Encrypt key with random salt return [salt]$[hash]

func EncryptWithSalt

func EncryptWithSalt(key string, salt string) string

EncryptWithSalt key with salt return [salt]$[hash]

func EndOfMonth

func EndOfMonth(t time.Time) time.Time

EndOfMonth export

func GBK2UTF8

func GBK2UTF8(s []byte) (string, error)

GBK2UTF8 : transform GBK byte array into UTF8 string

func GenUUID

func GenUUID() string

GenUUID in md5 hash

func GetEnvInt

func GetEnvInt(key string) int

GetEnvInt TL;DR

func GetEnvString

func GetEnvString(key string) string

GetEnvString TL;DR

func GetInternalIPAddress

func GetInternalIPAddress() (string, error)

GetInternalIPAddress TL;DR

func IndexOfInt32

func IndexOfInt32(s []int32, d int32) int

IndexOfInt32 export

func IndexOfString

func IndexOfString(s []string, substr string) int

IndexOfString for slice string find substr

func InitLog

func InitLog(debug bool, logFile string) *zap.Logger

InitLog in global

func InitRotateLog

func InitRotateLog(debug bool, logFile string) *zap.Logger

InitRotateLog export

func InitStructFromEnv

func InitStructFromEnv(i interface{}) reflect.Value

InitStructFromEnv by reflect i interface{} = struct instance support Kind: String Int Bool Float32 Float64 Slice of string

func MD5

func MD5(s string) string

MD5 sting

func MD5Byte

func MD5Byte(b []byte) string

MD5Byte bytes

func Max

func Max(x, y int64) int64

Max for int64

func MaxInt

func MaxInt(x, y int) int

MaxInt for int

func MaxInt32

func MaxInt32(x, y int32) int32

MaxInt32 for int32

func Min

func Min(x, y int64) int64

Min for int64

func MinInt

func MinInt(x, y int) int

MinInt for int

func MinInt32

func MinInt32(x, y int32) int32

MinInt32 for int32

func PrintEnvKey

func PrintEnvKey(i interface{})

PrintEnvKey show struct field from env key

func RandString

func RandString(n int) string

RandString to get random length string code

func ToDateTimeString

func ToDateTimeString(i interface{}, s string) string

ToDateTimeString TL;DR

func UTF82GBK

func UTF82GBK(s string) ([]byte, error)

UTF82GBK : transform UTF8 rune into GBK byte array