utils

Documentation

Index

• Constants
• Variables
• func BackupTable(tableName string, v interface{}, db *gorm.DB, savePath string, version string) error
• func DigitCaptchaGen() (string, string, error)
• func DigitCaptchaVerify(id string, answer string) bool
• func DumpDatabase(host, username, password, dbName, tableName, savePath, version string, ...) error
• func EnsureOpenFile(full string) (*os.File, error)
• func EnsurePath(path string) error
• func ErrPanic(err error)
• func Md5(data []byte) string
• func MemSet(p unsafe.Pointer, b byte, length uintptr)
• func RandInt(max int) int
• func RandIntScope(from, to int) int
• func RandNumAlphaString(length int) string
• func RandNumString(length int) string
• func RestoreTable(filefull string, v interface{}, db *gorm.DB) error
• func Sha1(data []byte) string
• func Sha256(data []byte) string
• func TarGz(src, dest string) error
• func UnTarGz(tarGz, dest string) error
• func UnZip(zipFile, destPath string) error
• func Unused(v ...interface{})
• func ValidPhoneCN(phone string) bool
• func ValidPhoneCNSimple(phone string) bool
• func Zip(fileOrDir, destFile string) error
• type Time
  • func (t Time) MarshalJSON() ([]byte, error)
  • func (t Time) String() string
  • func (t *Time) UnmarshalJSON(data []byte) error

Constants

const (
	TIME_FORMAT = "2006-01-02 15:04:05"
)

Variables

var (
	ErrPathIsNotAPath = errors.New("Not a path")
	ErrPathPerm       = errors.New("User has not perm to path")
)

var (
	CHAR_POOL = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
)

Functions

func BackupTable

func BackupTable(tableName string, v interface{}, db *gorm.DB, savePath string, version string) error

* Backup MySQL table rows into json file

@tableName: tableName, is not used for quering rows but as a part of json filename @v: slice pointer used for gorm resultset, this is where to implement generic type function @savePath: directory of where exported file located. @version: version of exporting. used as a part of the json filename

func DigitCaptchaGen

func DigitCaptchaGen() (string, string, error)

func DigitCaptchaVerify

func DigitCaptchaVerify(id string, answer string) bool

func DumpDatabase

func DumpDatabase(host, username, password, dbName, tableName, savePath, version string, port int) error

* Backup Database(or single table in it) using 'mysqldump' which must be pre-installed.

NOTICE: this function will block until done. You're able to delete 'cmd.Wait()' if you dont care the result and want a async execution, and mostly which is OKay.

func EnsureOpenFile

func EnsureOpenFile(full string) (*os.File, error)

func EnsurePath

func EnsurePath(path string) error

配置中的路径存在检查, 自动创建, 并执行权限检查

func ErrPanic

func ErrPanic(err error)

func Md5

func Md5(data []byte) string

func MemSet

func MemSet(p unsafe.Pointer, b byte, length uintptr)

func RandInt

func RandInt(max int) int

func RandIntScope

func RandIntScope(from, to int) int

func RandNumAlphaString

func RandNumAlphaString(length int) string

func RandNumString

func RandNumString(length int) string

func RestoreTable

func RestoreTable(filefull string, v interface{}, db *gorm.DB) error

TODO batch insertion

func Sha1

func Sha1(data []byte) string

func Sha256

func Sha256(data []byte) string

func TarGz

func TarGz(src, dest string) error

func UnTarGz

func UnTarGz(tarGz, dest string) error

func UnZip

func UnZip(zipFile, destPath string) error

func Unused

func Unused(v ...interface{})

func ValidPhoneCN

func ValidPhoneCN(phone string) bool

func ValidPhoneCNSimple

func ValidPhoneCNSimple(phone string) bool

func Zip

func Zip(fileOrDir, destFile string) error

Types

type Time

type Time time.Time

func (Time) MarshalJSON

func (t Time) MarshalJSON() ([]byte, error)

func (Time) String

func (t Time) String() string

func (*Time) UnmarshalJSON

func (t *Time) UnmarshalJSON(data []byte) error