io

Documentation

Index

• func Closes[E io.Closer](cs []E) error
• func CopyFile(src, dst string, false_in_exist bool) error
• func Create(name string, perm os.FileMode) (*os.File, error)
• func FileSystemCopy(fs embed.FS, name string, copyto string) (int64, error)
• func IsCharDevice(pathname string) bool
• func IsDevice(pathname string) bool
• func IsDir(pathname string) bool
• func IsFIFO(pathname string) bool
• func IsFile(pathname string) bool
• func IsLink(pathname string) bool
• func IsPipe(pathname string) bool
• func IsSocket(pathname string) bool
• func OpenFile(name string, flag int, perm os.FileMode) (*os.File, error)
• func PathCanCreate(pathname string) string
• func PathExists(pathname string) bool
• func WriteJson(fn string, m map[string]interface{}) error
• func Writes[E io.Writer](ws []E, p []byte) (int, error)
• type Closers
  • func (x Closers) Close() error
• type RingStream
  • func NewRingStream(size int) *RingStream
  • func (b *RingStream) Len() int
  • func (b *RingStream) Read(buf []byte) (int, error)
  • func (b *RingStream) ReadBytes(n int, cb func([]byte)) (int, error)
  • func (b *RingStream) TryReadBytes(n int, cb func([]byte)) int
  • func (b *RingStream) TryWrite(p []byte) (int, error)
  • func (b *RingStream) Write(p []byte) (int, error)
• type WriteClosers
  • func (x WriteClosers) Close() error
  • func (x WriteClosers) Write(p []byte) (int, error)
  • func (x WriteClosers) WriteByte(c byte) error
  • func (x WriteClosers) WriteString(s string) (int, error)
• type Writers
  • func (x Writers) Write(p []byte) (int, error)

Functions

func Closes

func Closes[E io.Closer](cs []E) error

func CopyFile

func CopyFile(src, dst string, false_in_exist bool) error

复制文件 src:源文件 dst:目标文件或复制到的目录 false_in_exist:true表示存在就返回失败，false表示存在存在则替换 return os.PathError

func Create

func Create(name string, perm os.FileMode) (*os.File, error)

func FileSystemCopy

func FileSystemCopy(fs embed.FS, name string, copyto string) (int64, error)

func IsCharDevice

func IsCharDevice(pathname string) bool

func IsDevice

func IsDevice(pathname string) bool

func IsDir

func IsDir(pathname string) bool

func IsFIFO

func IsFIFO(pathname string) bool

func IsFile

func IsFile(pathname string) bool

func IsLink

func IsLink(pathname string) bool

func IsPipe

func IsPipe(pathname string) bool

func IsSocket

func IsSocket(pathname string) bool

func OpenFile

func OpenFile(name string, flag int, perm os.FileMode) (*os.File, error)

func PathCanCreate

func PathCanCreate(pathname string) string

func PathExists

func PathExists(pathname string) bool

func WriteJson

func WriteJson(fn string, m map[string]interface{}) error

func Writes

func Writes[E io.Writer](ws []E, p []byte) (int, error)

Types

type Closers

type Closers []io.Closer

func (Closers) Close

func (x Closers) Close() error

type RingStream

type RingStream struct {
	msync.Closer
	// contains filtered or unexported fields
}

func NewRingStream

func NewRingStream(size int) *RingStream

func (*RingStream) Len

func (b *RingStream) Len() int

func (*RingStream) Read

func (b *RingStream) Read(buf []byte) (int, error)

func (*RingStream) ReadBytes

func (b *RingStream) ReadBytes(n int, cb func([]byte)) (int, error)

如果n<=0,全部读取

func (*RingStream) TryReadBytes

func (b *RingStream) TryReadBytes(n int, cb func([]byte)) int

如果n<=0,全部读取

func (*RingStream) TryWrite

func (b *RingStream) TryWrite(p []byte) (int, error)

func (*RingStream) Write

func (b *RingStream) Write(p []byte) (int, error)

type WriteClosers

type WriteClosers []io.WriteCloser

func (WriteClosers) Close

func (x WriteClosers) Close() error

func (WriteClosers) Write

func (x WriteClosers) Write(p []byte) (int, error)

func (WriteClosers) WriteByte

func (x WriteClosers) WriteByte(c byte) error

func (WriteClosers) WriteString

func (x WriteClosers) WriteString(s string) (int, error)

type Writers

type Writers []io.Writer

func (Writers) Write

func (x Writers) Write(p []byte) (int, error)