file

Documentation

Index

• func CopyFile(old, new string) error
• func CopyN(writer io.Writer, src io.Reader, size int64) (int64, error)
• func DirEmpty(path string) bool
• func IsDir(f string) int
• func IsExist(f string) bool
• func IsFile(f string) bool
• func Open(filename string) (*os.File, int64, error)
• func Read(f io.Reader, size int) ([]byte, error)
• func ReadFile(f *os.File) ([]byte, error)
• func Write(filename string, src io.Reader, perm os.FileMode) error
• type Base
• type Chunk
• type ChunkResult
• type Name
• type Path
• type Result
• type Results
• type Stream
  • func (sm *Stream) Seek(offset int64, whence int) (int64, error)

Functions

func CopyFile

func CopyFile(old, new string) error

CopyFile is used to copy a file

func CopyN

func CopyN(writer io.Writer, src io.Reader, size int64) (int64, error)

func DirEmpty

func DirEmpty(path string) bool

DirEmpty 目录是否为空

func IsDir

func IsDir(f string) int

func IsExist

func IsExist(f string) bool

IsExist 文件或目录

func IsFile

func IsFile(f string) bool

func Open

func Open(filename string) (*os.File, int64, error)

func Read

func Read(f io.Reader, size int) ([]byte, error)

func ReadFile

func ReadFile(f *os.File) ([]byte, error)

func Write

func Write(filename string, src io.Reader, perm os.FileMode) error

Types

type Base

type Base struct {
	Dir    string
	Key    string
	Bucket string
}

type Chunk

type Chunk struct {
	Number int   `json:"number"` // Chunk number
	Offset int64 `json:"offset"` // Chunk offset
	Size   int64 `json:"size"`   // Chunk size.
}

type ChunkResult

type ChunkResult struct {
	Key    string  `json:"key,omitempty"`
	Chunks []Chunk `json:"chunks"`
}

type Name

type Name struct {
	Base
	Name string
}

Name 文件名

type Path

type Path struct {
	Id        string `json:"id"`      //作品ID: vid-nums, 其它id
	Product   string `json:"product"` //产品名
	Biz       string `json:"biz"`     //业务名
	Type      string `json:"type"`    //类型
	Name      string `json:"name"`    //原始文件名
	Ext       string `json:"ext"`
	Md5       string `json:"md5"`
	SaveType  int32  `json:"saveType"`
	ProductId int64  `json:"productId"` //产品
	BizId     int64  `json:"bizId"`     //业务
	Source    int32  `json:"source"`    //`来源
	Size      int64  `json:"size"`
}

type Result

type Result struct {
	TaskId   string      `json:"taskId,omitempty"`
	Id       string      `json:"id,omitempty"` //断点续传=UploadId
	Key      string      `json:"key"`
	Url      string      `json:"url"`
	Name     string      `json:"name"`
	Path     string      `json:"-"` //本地文件路径
	SaveType int32       `json:"saveType"`
	Duration int64       `json:"duration"`           //豪秒
	Business interface{} `json:"business,omitempty"` //业务定义数据
}

type Results

type Results struct {
	Results []Result `json:"results"`
}

type Stream

type Stream struct {
	Base
	Seeker io.Seeker
	Reader io.Reader
	Size   int64
}

Stream 文件流

func (*Stream) Seek

func (sm *Stream) Seek(offset int64, whence int) (int64, error)