utils

Documentation

Index

• Constants
• func IsEmptyTime(t time.Time) bool
• func Md5(str string) string
• func NewRandomBase64(strLen int) string
• func NewRandomHex(strLen int) string
• func SizeToHuman(space int64) string
• func StringToTime(str string) time.Time
• func TimeToString(t time.Time) string
• type JsonTime
  • func NewJsonTimeNow() JsonTime
  • func (j JsonTime) IsEmptyTime() bool
  • func (j JsonTime) MarshalJSON() ([]byte, error)
  • func (j JsonTime) String() string
  • func (j JsonTime) ToStdTime() time.Time
  • func (j *JsonTime) UnmarshalJSON(b []byte) error
• type Map
  • func (m *Map[K, V]) CompareAndDelete(key K, old V) (deleted bool)
  • func (m *Map[K, V]) CompareAndSwap(key K, old V, new V) (swapped bool)
  • func (m *Map[K, V]) Delete(key K)
  • func (m *Map[K, V]) Load(key K) (value V, ok bool)
  • func (m *Map[K, V]) LoadAndDelete(key K) (value V, loaded bool)
  • func (m *Map[K, V]) LoadOrStore(key K, value V) (actual V, loaded bool)
  • func (m *Map[K, V]) Range(f func(key K, value V) bool)
  • func (m *Map[K, V]) RangeAndCount(f func(key K, value V)) (cnt int)
  • func (m *Map[K, V]) Store(key K, value V)
  • func (m *Map[K, V]) Swap(key K, value V) (previous V, loaded bool)

Constants

const (
	DefaultTimeFmt = "2006-01-02 15:04:05"
	StdZeroTimeStr = "0001-01-01 00:00:00" // 标准库里time.Time{} jsonMashal以后的字符串
	ZeroTimeStr    = "1999-12-31 00:00:00" // 我们自己期望使用的时间 "0" 值字符串
)

Functions

func IsEmptyTime

func IsEmptyTime(t time.Time) bool

判断当前时间是不是"0"值

func Md5

func Md5(str string) string

func NewRandomBase64

func NewRandomBase64(strLen int) string

* @param dataLen: 数据长度，base64膨胀率1.33,返回的string长度是dataLen的1.33倍

func NewRandomHex

func NewRandomHex(strLen int) string

func SizeToHuman

func SizeToHuman(space int64) string

func StringToTime

func StringToTime(str string) time.Time

字符串转 time.Time

func TimeToString

func TimeToString(t time.Time) string

time.Time 转字符串

Types

type JsonTime

type JsonTime time.Time

func NewJsonTimeNow

func NewJsonTimeNow() JsonTime

func (JsonTime) IsEmptyTime

func (j JsonTime) IsEmptyTime() bool

判断当前时间是不是"0"值

func (JsonTime) MarshalJSON

func (j JsonTime) MarshalJSON() ([]byte, error)

重写 time.Time 的 MarshalJSON

func (JsonTime) String

func (j JsonTime) String() string

重写 time.Time 的 String

func (JsonTime) ToStdTime

func (j JsonTime) ToStdTime() time.Time

转换为标准库里time.Time类型

func (*JsonTime) UnmarshalJSON

func (j *JsonTime) UnmarshalJSON(b []byte) error

重写 time.Time 的 UnmarshalJSON

type Map

type Map[K comparable, V any] struct {
	// contains filtered or unexported fields
}

func (*Map[K, V]) CompareAndDelete

func (m *Map[K, V]) CompareAndDelete(key K, old V) (deleted bool)

func (*Map[K, V]) CompareAndSwap

func (m *Map[K, V]) CompareAndSwap(key K, old V, new V) (swapped bool)

func (*Map[K, V]) Delete

func (m *Map[K, V]) Delete(key K)

func (*Map[K, V]) Load

func (m *Map[K, V]) Load(key K) (value V, ok bool)

func (*Map[K, V]) LoadAndDelete

func (m *Map[K, V]) LoadAndDelete(key K) (value V, loaded bool)

func (*Map[K, V]) LoadOrStore

func (m *Map[K, V]) LoadOrStore(key K, value V) (actual V, loaded bool)

func (*Map[K, V]) Range

func (m *Map[K, V]) Range(f func(key K, value V) bool)

func (*Map[K, V]) RangeAndCount

func (m *Map[K, V]) RangeAndCount(f func(key K, value V)) (cnt int)

func (*Map[K, V]) Store

func (m *Map[K, V]) Store(key K, value V)

func (*Map[K, V]) Swap

func (m *Map[K, V]) Swap(key K, value V) (previous V, loaded bool)