utils

package

v0.5.0 Latest Latest Go to latest Published: May 8, 2026 License: MIT Imports: 13 Imported by: 0

Documentation ¶

Index ¶

Constants
func CheckPath(path string) (exists bool, isDir bool, err error)
func DetectContentType(data []byte, ext string) string
func DirExists(dirPath string) bool
func ExpandTilde(path string) (string, error)
func FileExists(path string) bool
func Filename(path string, new ...string) string
func GenerateChainId(deviceId string) string
func GenerateDeviceId(isLong ...bool) string
func GenerateWNMCID() string
func IsFile(path string) bool
func IsGzipHeader(data []byte) bool
func IsMusicExt(ext string) bool
func IsUnique[T comparable](arr []T) bool
func MD5Hex(data []byte) (string, error)
func MkdirIfNotExist(path string, perm os.FileMode) error
func ParseBytes(input string) (int64, error)
func SplitSlice[T any](input []T, chunkSize int) ([][]T, error)
func Ternary[T any](condition bool, trueVal, falseVal T) T
func TimeUntilMidnight(timeZone string) (time.Duration, error)

Constants ¶

const (
	B int64 = 1 << (10 * iota)
	KB
	MB
	GB
	TB
	PB
)

Variables ¶

This section is empty.

Functions ¶

func DetectContentType ¶

func DetectContentType(data []byte, ext string) string

func ExpandTilde ¶ added in v0.1.3

func ExpandTilde(path string) (string, error)

ExpandTilde 扩展波浪号路径.

func Filename ¶ added in v0.0.4

func Filename(path string, new ...string) string

Filename 清理文件名中的非法字符.

func GenerateChainId ¶ added in v0.4.0

func GenerateChainId(deviceId string) string

GenerateChainId 生成ChainId 用于web login 规则: "{version}_{s_device_id}_{platform}_{action}_{timestamp}" .

func GenerateDeviceId ¶ added in v0.4.0

func GenerateDeviceId(isLong ...bool) string

GenerateDeviceId 生成设备ID 目前发现有两种格式设备id 格式1: 52位十六进制字符串 (大写) 例如: D82036205567D95288D26BCF3797FE22D8A7634320474768C7ED 格式2: 两个UUID拼接而成, 中间用|分隔, UUID格式为8-4-4-4-12的十六进制字符串 (大写) 例如: 7A8EB581-E60B-5230-BB5B-E6DAB1FBFA62|5FD718A3-0602-4389-B612-EBEFAA7F108B.

func GenerateWNMCID ¶ added in v0.4.0

func GenerateWNMCID() string

GenerateWNMCID 生成WNMCID 生成规则: 6位随机小写字母 + 当前时间戳（毫秒） + 默认抓取版本号 + 0 例如: "abcdef.1633557080686.01.0" 作用: 貌似是网易云音乐的抓取标识,或者用于爬虫标识等作用.

func IsFile ¶

func IsFile(path string) bool

IsFile 判断是否为文件.

func IsGzipHeader ¶ added in v0.1.0

func IsGzipHeader(data []byte) bool

IsGzipHeader 判断字节数据是否以 Gzip 文件头开头 Gzip 文件头特征：前 2 个字节为 0x1F 0x8B，第三个字节为压缩方法（通常 0x08 表示 DEFLATE）.

func IsMusicExt ¶

func IsMusicExt(ext string) bool

func IsUnique ¶

func IsUnique[T comparable](arr []T) bool

func MD5Hex ¶

func MD5Hex(data []byte) (string, error)

func MkdirIfNotExist ¶

func MkdirIfNotExist(path string, perm os.FileMode) error

func ParseBytes ¶

func ParseBytes(input string) (int64, error)

ParseBytes 将输入字符串转换为字节数.

func SplitSlice ¶

func SplitSlice[T any](input []T, chunkSize int) ([][]T, error)

func Ternary ¶

func Ternary[T any](condition bool, trueVal, falseVal T) T

Ternary is a generic function that mimics a ternary expression.

func TimeUntilMidnight ¶

func TimeUntilMidnight(timeZone string) (time.Duration, error)

TimeUntilMidnight 计算当前时间到明天零点的时间差.

Types ¶