common

package
v2.0.2 Latest Latest
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 Go to latest Published: Mar 5, 2020 License: GPL-3.0 Imports: 12 Imported by: 57

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func BigIntToDecimals 

func BigIntToDecimals(amount *big.Int, decimals int32) decimal.Decimal

func BoolToUInt 

func BoolToUInt(b bool) uint64

func Bytes2Hex 

func Bytes2Hex(d []byte) string

Bytes2Hex returns the hexadecimal encoding of d.

func Contain 

func Contain(obj interface{}, target interface{}) bool

Contain 判断obj是否在target中，target支持的类型arrary,slice,map

func CopyBytes 

func CopyBytes(b []byte) (copiedBytes []byte)

CopyBytes returns an exact copy of the provided bytes.

func FormatStruct 

func FormatStruct(v interface{}) string

func FromHex 

func FromHex(s string) []byte

FromHex returns the bytes represented by the hexadecimal string s. s may be prefixed with "0x".

func Hex2Bytes 

func Hex2Bytes(str string) []byte

Hex2Bytes returns the bytes represented by the hexadecimal string str.

func Hex2BytesFixed 

func Hex2BytesFixed(str string, flen int) []byte

Hex2BytesFixed returns bytes of a specified fixed length flen.

func IntToDecimals 

func IntToDecimals(amount int64, decimals int32) decimal.Decimal

func IsChinaMobile 

func IsChinaMobile(b []byte) bool

检验是否为合法的中国手机号, 不是那么太精细 只要是 13,14,15,18 开头的 11 位数字就认为是中国手机号

func IsChinaMobileString 

func IsChinaMobileString(str string) bool

同 func IsChinaMobile(b []byte) bool

func IsMail 

func IsMail(b []byte) bool

检验是否为合法的电子邮箱, 考虑到各个网站的 mail 要求不一样, 这里匹配比较宽松 邮箱用户名可以包含 0-9, A-Z, a-z, -, _, . 开头字母不能是 -, _, . 结尾字母不能是 -, _, . -, _, . 这三个连接字母任意两个不能连续, 如不能出现 --, __, .., -_, -., _. 邮箱的域名可以包含 0-9, A-Z, a-z, - 连接字符 - 只能出现在中间, 不能连续, 如不能 -- 支持多级域名, x@y.z, x@y.z.w, x@x.y.z.w.e

func IsMailString 

func IsMailString(str string) bool

同 func IsMail(b []byte) bool

func IsNickname 

func IsNickname(b []byte) bool

检验是否为合法的昵称, 合法的字符有 0-9, A-Z, a-z, _, 汉字 字符 '_' 只能出现在中间且不能重复, 如 "__"

func IsNicknameString 

func IsNicknameString(str string) bool

同 func IsNickname(b []byte) bool

func IsNumber 

func IsNumber(b []byte) bool

IsNumber 是否整数值

func IsNumberString 

func IsNumberString(str string) bool

同 func IsNumber(b []byte) bool

func IsRealNumber 

func IsRealNumber(b []byte) bool

IsRealNumber 是否实数值

func IsRealNumberString 

func IsRealNumberString(str string) bool

同 func IsRealNumber(b []byte) bool

func IsUserName 

func IsUserName(b []byte) bool

检验是否为合法的用户名, 合法的字符有 0-9, A-Z, a-z, _ 第一个字母不能为 _, 0-9 最后一个字母不能为 _, 且 _ 不能连续

func IsUserNameString 

func IsUserNameString(str string) bool

同 func IsName(b []byte) bool

func LeftPadBytes 

func LeftPadBytes(slice []byte, l int) []byte

LeftPadBytes zero-pads slice to the left up to length l.

func RightPadBytes 

func RightPadBytes(slice []byte, l int) []byte

RightPadBytes zero-pads slice to the right up to length l.

func StringNumToBigIntWithExp 

func StringNumToBigIntWithExp(amount string, exp int32) *big.Int

func StringValueToBigInt 

func StringValueToBigInt(value string, base int) (*big.Int, error)

func Substr 

func Substr(str string, start int, end int) string

func TimeFormat 

func TimeFormat(format string, t ...time.Time) string

timeFormat 格式化时间 @param format 在go中，为2006-01-02 15:04:05

func ToHex deprecated 

func ToHex(b []byte) string

ToHex returns the hex representation of b, prefixed with '0x'. For empty slices, the return value is "0x0".

Deprecated: use hexutil.Encode instead.

func ToHexArray 

func ToHexArray(b [][]byte) []string

ToHexArray creates a array of hex-string based on []byte

func ToISO8601 

func ToISO8601(t ...time.Time) string

func UIntToBool 

func UIntToBool(u uint64) bool

Types

type FloatProtocal 

type FloatProtocal interface {
	Float32(def ...float32) float32
	Float64(def ...float64) float64
}

FloatProtocal 强化float的扩展方法

type Int 

type Int int

Int 强化int类型

func (Int) String 

func (v Int) String() string

ToString int转为string类型

type IntProtocal 

type IntProtocal interface {
	Int(def ...int) int
	Int8(def ...int8) int8
	Int16(def ...int16) int16
	Int32(def ...int32) int32
	Int64(def ...int64) int64
}

IntProtocal 强化int的扩展方法

type String 

type String string

String AT的字符串库 

const (
	// NilString 定义空串的关键字
	NilString String = "<nil>"
)

func NewString 

func NewString(value interface{}, def ...String) String

NewString 初始化字符串，自动转型

func NewStringByBool 

func NewStringByBool(v bool) String

NewStringByBool 通过bool初始化字符串

func NewStringByFloat 

func NewStringByFloat(v float64) String

NewStringByFloat 通过float初始化字符串

func NewStringByInt 

func NewStringByInt(v int64) String

NewStringByInt 通过int初始化字符串

func NewStringByUInt 

func NewStringByUInt(v uint64) String

NewStringByUInt 通过int初始化字符串

func (String) AES 

func (s String) AES(key string) (string, error)

AES AES加密 key 密钥key hex字符串 return 密文

func (String) Bool 

func (s String) Bool(def ...bool) bool

Bool string转布尔型

func (String) Float32 

func (s String) Float32(def ...float32) float32

Float32 String转为float32

func (String) Float64 

func (s String) Float64(def ...float64) float64

Float64 String转为float64

func (String) HmacMD5 

func (s String) HmacMD5(secret string) string

HmacMD5 字符串转为HmacMD5后的hash md5

func (String) HmacSHA1 

func (s String) HmacSHA1(secret string) string

HmacSHA1 字符串转为HmacSHA1后的hash hex

func (String) Int 

func (s String) Int(def ...int) int

Int String类型转为int类型

func (String) Int16 

func (s String) Int16(def ...int) int16

Int16 String类型转为int32类型

func (String) Int32 

func (s String) Int32(def ...int) int32

Int32 String类型转为int32类型

func (String) Int64 

func (s String) Int64(def ...int) int64

Int64 String类型转为int64类型

func (String) Int8 

func (s String) Int8(def ...int) int8

Int8 String类型转为int8类型

func (String) IsEmpty 

func (s String) IsEmpty() bool

IsEmpty 是否空值

func (String) IsNil 

func (s String) IsNil() bool

IsNil 判断是否空指针

func (String) Length 

func (s String) Length() int

Length 字符串长度，支持中文字等等的计算

func (String) MD5 

func (s String) MD5() string

MD5 字符串转为MD5后的hash hex

func (String) SHA1 

func (s String) SHA1() string

SHA1 字符串转为SHA1后的hash hex

func (String) SHA256 

func (s String) SHA256() string

SHA256 字符串转为SHA256后的hash hex

func (String) String 

func (s String) String() string

String 转string

func (String) UInt16 

func (s String) UInt16(def ...int) uint16

UInt16 String类型转为uint32类型

func (String) UInt32 

func (s String) UInt32(def ...int) uint32

UInt32 String类型转为uint32类型

func (String) UInt64 

func (s String) UInt64(def ...int) uint64

UInt64 String类型转为uint64类型

func (String) UInt8 

func (s String) UInt8(def ...int) uint8

UInt8 String类型转为uint8类型

func (*String) UnAES 

func (s *String) UnAES(aesBase64string string, key string) error

UnAES 通过base64编码的aes密文初始化一个字符串 aesBase64string base64编码的aes密文 key 密钥字符串 return 明文

type StringProtocal 

type StringProtocal interface {
	String() string
	Length() int
	IsNil() bool
	IsEmpty() bool
}

StringProtocal 强化String的扩展方法

Source Files

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Directories

Path Synopsis
Package file provides simple utility functions to be used with files
 Package file provides simple utility functions to be used with files

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