cHelper

Documentation

Index

• func AlignStringMappingArrayFields(data []map[string]string) []map[string]string
• func ChannelAsyncPush[T any](ch chan T, data T)
• func Chunk[T any](data []T, size uint) (result [][]T)
• func Cmd(c CmdOption) (result []byte, err error)
• func CopyStringMapping(data map[string]string) (result map[string]string)
• func CopyStringMappingArray(data []map[string]string) (result []map[string]string)
• func EmbeddingCos(vector1, vector2 []float64) float64
• func EnvToBool(name string, value bool) bool
• func EnvToInt(name string, value int) int
• func EnvToString(name string, value string) string
• func GetFieldValue(field string, data interface{}) interface{}
• func GetFieldValues(field string, data interface{}) []interface{}
• func GroupBy[T any](data []T, key func(item T) (string, bool)) (result map[string][]T)
• func InArray[T comparable](array []T, data T) (result bool)
• func InArrayFloat64(data float64, array []float64) bool
• func InArrayInt(data int, array []int) bool
• func InArrayString(data string, array []string) bool
• func IsBool(value interface{}) bool
• func IsDir(f string) bool
• func IsEmpty(value interface{}) bool
• func IsExistsPath(f string) bool
• func IsFloat(value interface{}) bool
• func IsInt(value interface{}) bool
• func IsMap(value interface{}) bool
• func IsNil(value interface{}, traceSource ...bool) bool
• func IsNumber(s string) bool
• func IsSlice(value interface{}) bool
• func IsString(value interface{}) bool
• func IsStruct(value interface{}) bool
• func IsUint(value interface{}) bool
• func KeyBy[T any](data []T, key func(item T) (string, bool)) (result map[string]T)
• func Md5(data []byte) string
• func MkDirAll(f string, perm os.FileMode) (err error)
• func OrderBy[T any](data []T, compare func(first, second T) (result int))
• func PrintMemory(ctx context.Context, interval int64, ...)
• func RandomInt(min, max int) int
• func RandomStr(length int, randomType RandomType) string
• func ReplaceAll(src string, old []string, new string) string
• func SHA1(data string) string
• func ToBool(s string) bool
• func ToFloat32(s string) float32
• func ToFloat64(s string) float64
• func ToInt(s string) int
• func ToInt32(s string) int32
• func ToInt64(s string) int64
• func ToInt8(s string) int8
• func ToString(num interface{}) string
• func ToUint(s string) uint
• func ToUint32(s string) uint32
• func ToUint64(s string) uint64
• func ToUint8(s string) uint8
• func Ucfirst(s string) string
• func UniqueInt64(array []int64) []int64
• func Zip(src string, dest string, ignores ...string) error
• type CmdOption
• type MemoryStatus
• type NumberType
• type RandomType

Functions

func AlignStringMappingArrayFields

func AlignStringMappingArrayFields(data []map[string]string) []map[string]string

func ChannelAsyncPush

func ChannelAsyncPush[T any](ch chan T, data T)

func Chunk

func Chunk[T any](data []T, size uint) (result [][]T)

Chunk 数组分片

func Cmd

func Cmd(c CmdOption) (result []byte, err error)

func CopyStringMapping

func CopyStringMapping(data map[string]string) (result map[string]string)

func CopyStringMappingArray

func CopyStringMappingArray(data []map[string]string) (result []map[string]string)

func EmbeddingCos

func EmbeddingCos(vector1, vector2 []float64) float64

EmbeddingCos 使用cosine计算向量相似度

func EnvToBool

func EnvToBool(name string, value bool) bool

func EnvToInt

func EnvToInt(name string, value int) int

func EnvToString

func EnvToString(name string, value string) string

func GetFieldValue

func GetFieldValue(field string, data interface{}) interface{}

func GetFieldValues

func GetFieldValues(field string, data interface{}) []interface{}

func GroupBy

func GroupBy[T any](data []T, key func(item T) (string, bool)) (result map[string][]T)

func InArray

func InArray[T comparable](array []T, data T) (result bool)

InArray 数组是否存在该值

func InArrayFloat64

func InArrayFloat64(data float64, array []float64) bool

InArrayFloat64 判断是否在数组中，float64

func InArrayInt

func InArrayInt(data int, array []int) bool

InArrayInt 判断是否在数组中，int

func InArrayString

func InArrayString(data string, array []string) bool

InArrayString 判断是否在数组中，string

func IsBool

func IsBool(value interface{}) bool

IsBool 字符串是否为布尔值

func IsDir

func IsDir(f string) bool

IsDir 判断目录

func IsEmpty

func IsEmpty(value interface{}) bool

func IsExistsPath

func IsExistsPath(f string) bool

IsExistsPath 判断文件是否存在

func IsFloat

func IsFloat(value interface{}) bool

IsFloat checks whether `value` is type of float.

func IsInt

func IsInt(value interface{}) bool

IsInt checks whether `value` is type of int.

func IsMap

func IsMap(value interface{}) bool

IsMap checks whether `value` is type of map.

func IsNil

func IsNil(value interface{}, traceSource ...bool) bool

func IsNumber

func IsNumber(s string) bool

IsNumber 字符串是否为数字

func IsSlice

func IsSlice(value interface{}) bool

IsSlice checks whether `value` is type of slice.

func IsString

func IsString(value interface{}) bool

IsString 字符串是否为字符串

func IsStruct

func IsStruct(value interface{}) bool

IsStruct checks whether `value` is type of struct.

func IsUint

func IsUint(value interface{}) bool

IsUint checks whether `value` is type of uint.

func KeyBy

func KeyBy[T any](data []T, key func(item T) (string, bool)) (result map[string]T)

func Md5

func Md5(data []byte) string

func MkDirAll

func MkDirAll(f string, perm os.FileMode) (err error)

func OrderBy

func OrderBy[T any](data []T, compare func(first, second T) (result int))

func PrintMemory

func PrintMemory(ctx context.Context, interval int64, handle func(ctx context.Context, mem *MemoryStatus))

func RandomInt

func RandomInt(min, max int) int

RandomInt 生成随机整数

func RandomStr

func RandomStr(length int, randomType RandomType) string

func ReplaceAll

func ReplaceAll(src string, old []string, new string) string

ReplaceAll 多个字符串同时替换为同一个

func SHA1

func SHA1(data string) string

func ToBool

func ToBool(s string) bool

ToBool 字符串转布尔值

func ToFloat32

func ToFloat32(s string) float32

ToFloat32 字符串转32位浮点数

func ToFloat64

func ToFloat64(s string) float64

ToFloat64 字符串转64位浮点数

func ToInt

func ToInt(s string) int

ToInt 字符串转int

func ToInt32

func ToInt32(s string) int32

ToInt32 字符串转int32

func ToInt64

func ToInt64(s string) int64

ToInt64 字符串转int64

func ToInt8

func ToInt8(s string) int8

ToInt8 字符串转int8

func ToString

func ToString(num interface{}) string

ToString 所有类型转字符串

func ToUint

func ToUint(s string) uint

ToUint 字符串转uint

func ToUint32

func ToUint32(s string) uint32

ToUint32 字符串转uint32

func ToUint64

func ToUint64(s string) uint64

ToUint64 字符串转uint64

func ToUint8

func ToUint8(s string) uint8

ToUint8 字符串转uint8

func Ucfirst

func Ucfirst(s string) string

Ucfirst 首字母大写

func UniqueInt64

func UniqueInt64(array []int64) []int64

func Zip

func Zip(src string, dest string, ignores ...string) error

Types

type CmdOption

type CmdOption struct {
	Command string
	Dir     string
}

type MemoryStatus

type MemoryStatus struct {
	Pid  int
	Used int
	G    string
	M    string
	K    string
	Err  error
}

type NumberType

type NumberType uint8

const (
	UInt NumberType = iota
	Int
	UFloat
	Float
	Positive
	Negative
	All
)

type RandomType

type RandomType uint8

const (
	RandomType_All RandomType = iota
	RandomType_Number
	RandomType_Char
	RandomType_LowerChar
	RandomType_UpperChar
	RandomType_Symbol
	RandomType_NumberAndSymbol
	RandomType_CharAndSymbol
)