util

package

v0.9.7 Latest Latest Go to latest Published: Dec 28, 2023 License: MIT Imports: 38 Imported by: 0

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Repository

github.com/yumenaka/comi

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func CheckPort(port int) bool
func ChickIsDir(path string) bool
func Compare(a, b string) bool
func Decode(in []byte, charset string) ([]byte, error)
func DecodeFileName(headerName string, ZipFilenameEncoding string) string
func DeleteFileIfExist(filePath string) error
func DetectUTF8(s string) (valid, require bool)
func FileExists(path string) bool
func GbkToUtf8(unknowString string) (string, error)
func GetAbsPath(path string) string
func GetAuthor(input string) (string, bool)
func GetContentTypeByFileName(fileName string) (contentType string)
func GetEncoding(charset string) (encoding.Encoding, bool)
func GetFreePort() (int, error)
func GetIPList() (IPList []string, err error)
func GetImageDataBlurHash(loadedImage []byte, components int) string
func GetImageDataBlurHashImage(loadedImage []byte, components int) []byte
func GetMainName(filename string) string
func GetOutboundIP() net.IP
func GuessText(unknowString string) (string, error)
func ImageAutoCrop(loadedImage []byte, energyThreshold float32) []byte
func ImageGray(loadedImage []byte) []byte
func ImageResize(loadedImage []byte, width int, height int) []byte
func ImageResizeByHeight(loadedImage []byte, height int) []byte
func ImageResizeByMaxHeight(loadedImage []byte, maxHeight int) ([]byte, error)
func ImageResizeByMaxWidth(loadedImage []byte, maxWidth int) ([]byte, error)
func ImageResizeByWidth(loadedImage []byte, width int) []byte
func ImageThumbnail(loadedImage []byte, width int, height int) []byte
func IsAbsPath(aPath string) bool
func IsDir(path string) bool
func IsExist(path string) bool
func IsFile(path string) bool
func IsImageFile(path string) bool
func IsZipFile(filepath string) bool
func MD5file(fName string) string
func MimeType(path string) (mime string)
func OpenBrowser(uri string)
func PathExists(path string) bool
func PrintAllReaderURL(Port int, OpenBrowserFlag bool, PrintAllPossibleQRCode bool, ServerHost string, ...)
func PrintQRCode(text string)
func ReaderMimeType(r io.Reader) (mime string)
func ShiftjisToUtf8(unknowString string) (string, error)
func Sort(l []string)
func ToGBK(str string) (string, error)
func ToShiftJIS(str string) (string, error)
type SystemStatus
- func GetSystemStatus() SystemStatus

Constants ¶

View Source

const (
	// MimeSniffLen sniff Length, use for detect file mime type
	MimeSniffLen = 512
)

ReaderMimeType get the io.Reader mimeType

Usage:

file, err := os.Open(filepath)
if err != nil {
	return
}
mime := ReaderMimeType(file)

Variables ¶

View Source

var (
	DefaultDirPerm   os.FileMode = 0775
	DefaultFilePerm  os.FileMode = 0665
	OnlyReadFilePerm os.FileMode = 0444
)

perm for create dir or file

View Source

var (
	// DefaultFileFlags for create and write
	DefaultFileFlags = os.O_CREATE | os.O_WRONLY | os.O_APPEND
	// OnlyReadFileFlags open file for read
	OnlyReadFileFlags = os.O_RDONLY
)

View Source

var (
	DirExist  = IsDir
	FileExist = IsFile
	PathExist = PathExists
)

alias methods

View Source

var ImageMimeTypes = map[string]string{
	"bmp": "image/bmp",
	"gif": "image/gif",
	"ief": "image/ief",
	"jpg": "image/jpeg",

	"jpeg": "image/jpeg",
	"png":  "image/png",
	"svg":  "image/svg+xml",
	"ico":  "image/x-icon",
	"webp": "image/webp",
}

ImageMimeTypes refer net/http package

Functions ¶

func CheckPort ¶

func CheckPort(port int) bool

CheckPort 检测端口是否可用

func ChickIsDir ¶

func ChickIsDir(path string) bool

ChickIsDir 判断所给路径是否为文件夹

func Compare ¶

func Compare(a, b string) bool

Compare returns true if the first string precedes the second one according to natural order

func Decode ¶

func Decode(in []byte, charset string) ([]byte, error)

func DecodeFileName ¶

func DecodeFileName(headerName string, ZipFilenameEncoding string) string

func DeleteFileIfExist ¶

func DeleteFileIfExist(filePath string) error

删除文件

func DetectUTF8 ¶

func DetectUTF8(s string) (valid, require bool)

DetectUTF8 检测 s 是否为有效的 UTF-8 字符串，以及该字符串是否必须被视为 UTF-8 编码（即，不兼容CP-437、ASCII 或任何其他常见编码）。来自： go\src\archive\zip\reader.go

func FileExists ¶

func FileExists(path string) bool

FileExists reports whether the named file or directory exists.

func GbkToUtf8 ¶

func GbkToUtf8(unknowString string) (string, error)

func GetAbsPath ¶

func GetAbsPath(path string) string

GetAbsPath 获取绝对路径

func GetAuthor ¶

func GetAuthor(input string) (string, bool)

func GetContentTypeByFileName ¶

func GetContentTypeByFileName(fileName string) (contentType string)

GetContentTypeByFileName https://developer.mozilla.org/zh-CN/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Common_types

func GetEncoding ¶

func GetEncoding(charset string) (encoding.Encoding, bool)

func GetFreePort ¶

func GetFreePort() (int, error)

GetFreePort 获取一个空闲可用的端口号

func GetIPList ¶

func GetIPList() (IPList []string, err error)

GetIPList 获取本机IP列表

func GetImageDataBlurHash ¶

func GetImageDataBlurHash(loadedImage []byte, components int) string

GetImageDataBlurHash 获取图片的BlurHash

func GetImageDataBlurHashImage ¶

func GetImageDataBlurHashImage(loadedImage []byte, components int) []byte

GetImageDataBlurHashImage 获取图片的BlurHash图

func GetMainName ¶

func GetMainName(filename string) string

GetMainName 取得无后缀的文件名

func GetOutboundIP ¶

func GetOutboundIP() net.IP

GetOutboundIP 获取本机的首选出站IP Get preferred outbound ip of this machine

func GuessText ¶

func GuessText(unknowString string) (string, error)

func ImageAutoCrop ¶

func ImageAutoCrop(loadedImage []byte, energyThreshold float32) []byte

ImageAutoCrop 自动裁白边

func ImageGray ¶

func ImageGray(loadedImage []byte) []byte

ImageGray 转换为黑白图片

func ImageResize ¶

func ImageResize(loadedImage []byte, width int, height int) []byte

ImageResize 重设图片分辨率

func ImageResizeByHeight ¶

func ImageResizeByHeight(loadedImage []byte, height int) []byte

ImageResizeByHeight 根据一个固定 Height 缩放图片

func ImageResizeByMaxHeight ¶

func ImageResizeByMaxHeight(loadedImage []byte, maxHeight int) ([]byte, error)

ImageResizeByMaxHeight 设定一个图片高度上限，大于这个高度就缩放

func ImageResizeByMaxWidth ¶

func ImageResizeByMaxWidth(loadedImage []byte, maxWidth int) ([]byte, error)

ImageResizeByMaxWidth 设定一个图片宽度上限，大于这个宽度就缩放

func ImageResizeByWidth ¶

func ImageResizeByWidth(loadedImage []byte, width int) []byte

ImageResizeByWidth 根据一个固定宽度缩放图片

func ImageThumbnail ¶

func ImageThumbnail(loadedImage []byte, width int, height int) []byte

ImageThumbnail 根据设定的图片大小,剪裁图片

func IsAbsPath ¶

func IsAbsPath(aPath string) bool

IsAbsPath is abs path.

func IsDir ¶

func IsDir(path string) bool

IsDir reports whether the named directory exists.

func IsExist ¶

func IsExist(path string) bool

IsExist 判断文件夹或文件是否存在

func IsFile ¶

func IsFile(path string) bool

IsFile reports whether the named file or directory exists.

func IsImageFile ¶

func IsImageFile(path string) bool

IsImageFile check file is image file.

func IsZipFile ¶

func IsZipFile(filepath string) bool

IsZipFile check is zip file. from https://blog.csdn.net/wangshubo1989/article/details/71743374

func MD5file ¶

func MD5file(fName string) string

MD5file 计算字符串MD5

func MimeType ¶

func MimeType(path string) (mime string)

MimeType get File Mime Type name. eg "image/png"

func OpenBrowser ¶

func OpenBrowser(uri string)

func PathExists ¶

func PathExists(path string) bool

PathExists reports whether the named file or directory exists.

func PrintAllReaderURL ¶

func PrintAllReaderURL(Port int, OpenBrowserFlag bool, PrintAllPossibleQRCode bool, ServerHost string, DisableLAN bool, enableTls bool, etcStr string)

PrintAllReaderURL 打印阅读链接

func PrintQRCode ¶

func PrintQRCode(text string)

func ReaderMimeType ¶

func ReaderMimeType(r io.Reader) (mime string)

func ShiftjisToUtf8 ¶

func ShiftjisToUtf8(unknowString string) (string, error)

func Sort ¶

func Sort(l []string)

Sort sorts a list of strings in a natural order

func ToGBK ¶

func ToGBK(str string) (string, error)

ToGBK Convert a string encoding from UTF-8 to ShiftJIS

func ToShiftJIS ¶

func ToShiftJIS(str string) (string, error)

ToShiftJIS Convert a string encoding from UTF-8 to ShiftJIS

Types ¶

type SystemStatus ¶

type SystemStatus struct {
	//CPU相关
	CPUNumLogical  int     `json:"cpu_num_logical_total"`
	CPUNumPhysical int     `json:"cpu_num_physical"`
	CPUUsedPercent float64 `json:"cpu_used_percent"`
	//内存相关
	MemoryTotal       uint64  `json:"memory_total"`
	MemoryFree        uint64  `json:"memory_free"`
	MemoryUsedPercent float64 `json:"memory_used_percent"`
	//设备描述
	Description string `json:"description"`
}

SystemStatus Documentation: https://pkg.go.dev/github.com/shirou/gopsutil 获取服务器当前状况

func GetSystemStatus ¶

func GetSystemStatus() SystemStatus

Source Files ¶

View all Source files

Directories ¶

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