tools

package module

Go to main page

Versions in this module

v0

v0.0.5

Sep 17, 2026

Changes in this version

+ func MaskCerNo(raw string) (result string)

+ func MaskPhone(raw string) (result string)

v0.0.4

Sep 10, 2026

Changes in this version

+ const DatetimeFormat

+ func CreateDate(year, month, day int) *time.Time

+ func CreateTime(year, month, day, hour, min, sec int) *time.Time

+ func DaysAfter(base *time.Time, n int) *time.Time

+ func DaysAgo(base *time.Time, n int) *time.Time

+ func ExportToUTCMills(localMillSec int64) (millSec int64)

+ func ExtractDate(value *time.Time) *time.Time

+ func FormatMilliSecondsToDateStr(millSec int64) string

+ func FormatMilliSecondsToStr(millSec int64, fmt string) string

+ func FormatMilliSecondsToTimeStr(millSec int64) string

+ func GeoDistance(lng1, lat1, lng2, lat2 float64) float64

+ func GetCurrentDate() *time.Time

+ func GetCurrentMillSeconds() int64

+ func GetCurrentSeconds() int64

+ func GetDateCompactString(time *time.Time) string

+ func GetLocalTime() *time.Time

+ func GetMilliSeconds(t *time.Time) (millSec int64)

+ func GetTimeString(format string, time *time.Time) string

+ func GetTimeWithMilliSeconds(millSec int64) *time.Time

+ func GetTodayCompactString() string

+ func GetWeekEndDate(now *time.Time) *time.Time

+ func GetWeekStartDate(now *time.Time) *time.Time

+ func ImportFromUTCMills(utcMillSec int64) (localMillSec int64)

+ func IndentJson(value any, prefix, indent string) string

+ func MonthDays(t *time.Time) (days int)

+ func MonthsAgo(base *time.Time, n int) *time.Time

+ func NumberToFixedPrice(number int) string

+ func NumberToShortPrice(number int) (price string)

+ func ParseMilliSecondsFromStr(timeStr string) (millSec int64)

+ func ParseTimeFromStr(timeStr string) (*time.Time, error)

+ func ParseTimeInLocation(timeStr, timeFmt string) (*time.Time, error)

+ func PriceToNumber(price string) int

+ func SymDiff[T comparable](a, b []T) (da, db []T)

+ func ToAnySliceE[T, S any](a []S) (results []T, ok bool)

+ func ToAnySlice[T, S any](a []S) []T

+ func ToNumber(numStr string) int

+ func TransJson(json *types.Json, result any)

+ func TransMinuteToSec(timeStr string) (sec int)

+ func TransSecondStrToSec(timeStr string) (sec int)

+ func TransTimeSec(timeStr string) (sec int)

+ func Trunc(value float64, precision int) float64

+ func ValidJson(v *types.Json) bool

+ func ValidNumberList(v *types.Json) bool

+ func ValidStringList(v *types.Json) bool

+ type ID int64

+ func GenerateID() ID

+ func (i ID) Base36() string

+ func (i ID) Int64() int64

+ func (i ID) String() string

v0.0.3

Dec 9, 2025

Changes in this version

+ const SignatureAlgorithmHMACSHA256

+ const SignatureAlgorithmMD5

+ func ComputeAge(birthStr string, baseDate *time.Time) (age int)

+ func Copy(src any, dest any) error

+ func DecodeJson5(filePath string, output any) error

+ func DoGet(rawUrl, uri, token string, params *url.Values, result any) (code int, err error)

+ func DoPost(rawUrl, uri string, token string, params *url.Values, body any, result any) (code int, err error)

+ func DoRequest(method, rawUrl, uri string, params *url.Values, header *http.Header, ...) (resp *http.Response, err error)

+ func ExtractCerInfo(cerNo string) (province, city, district, birthStr string, birth int64, age int, isMale int8)

+ func GetToken(method, rawUrl, uri, user, password string) (token string, err error)

+ func IsType[T any](a any) bool

+ func IsValidCardNo18(CardNo18 *[]byte) bool

+ func LocalIP() (ip string)

+ func ParseResponse(resp *http.Response, result any) (code int, err error)

+ func RandomAlphaNum(length int) string

+ func RandomNumChar(length int) string

+ func ReadFile(filename string, preRead int) (<-chan string, context.CancelFunc, error)

+ func Sign(raw []byte, algo string) (signature []byte)

+ func ToAnyE[T any](a any) (T, bool)

+ func ToAny[T any](a any) T

v0.0.2

Oct 18, 2022

Changes in this version

+ func CurrentDataCompactStr() string

+ func CurrentDateStr() string

+ func CurrentDateTimeStr() string

+ func CurrentTimeCompactStr() string

v0.0.1

Dec 8, 2021

Changes in this version

+ const AlgMd5

+ const AlgSha1

+ const AlgSha256

+ const BoxSizeRateMin

+ const ImageQueryBoxSizeRateMin

+ var Reader io.Reader

+ var UUIDRegexp = regexp.MustCompile(...)

+ func CheckSum(data []byte) uint32

+ func CreateDir(path string, mode os.FileMode) error

+ func CreateDirIfNotExists(path string, mode os.FileMode) error

+ func CurrentDateInSeconds() int64

+ func CurrentTimeStr() string

+ func DaysBefore(days int) int64

+ func Decode(jsonStr string, v interface{})

+ func DecodeBytes(jsonBytes []byte, v interface{}) error

+ func DecodeFile(file string, v interface{}) error

+ func DeleteFile(path string) bool

+ func DeleteFiles(path string) bool

+ func Encode(v interface{}) string

+ func EncodeBytes(v interface{}) []byte

+ func EncodeObj(v interface{}, file string) error

+ func FileCheckSum(file string) uint32

+ func FileExists(path string) bool

+ func Float32Round(f float32, pOffset int64) float32

+ func GetTimeInSeconds(timeString string) int64

+ func HashUUID(bs []byte) string

+ func ImagEmpty(a []uint8) float32

+ func ImageColorId(im image.Image) uint64

+ func ImageHashContentRate(a uint64) float32

+ func ImageHashDiff(a, b uint64) float32

+ func ImageHashId(im image.Image, bs []byte) (image.Image, image.Image, uint64, error)

+ func ImageHashNull(a uint64) uint8

+ func ImageMaskAllow(masks [][]float32, x, y int, w, h int) bool

+ func ImagePixGray(im image.Image, x, y int) uint8

+ func ImageSimilarity(a, b []uint8) float32

+ func ImageTag(m image.Image, tagSpace int) []uint8

+ func ImgBytesDecode(bs []byte) (image.Image, error)

+ func ImgShmBytes(file string) ([]byte, error)

+ func IsValidUUID(UUID string) bool

+ func NewEmailSender(user, password, server string) (*email, error)

+ func RandUUID() string

+ func SplitSeconds(seconds int64) (int64, int64)

+ func TimeRingFromDaysAgo(days int) *ring.Ring

+ func TransTimeFormat(timeString string) string

+ type EmailOption func(email *email)

+ func Bcc(bcc string) EmailOption

+ func Cc(cc string) EmailOption

+ func ReplyTo(replyTo string) EmailOption

+ func ReturnPath(returnPath string) EmailOption

+ func Subject(subject string) EmailOption

+ func UserName(name string) EmailOption

+ type Message struct

+ func AttachmentMessage(name, filePath, contentId string) *Message

+ func HtmlMessage(format string, args ...interface{}) *Message

+ func TextMessage(format string, args ...interface{}) *Message

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL