imageStore

type ImageCmp struct{}

type ImageInfo struct {
	ID     []byte `json:"id"`
	Name   string `json:"name"`
	Type   string `json:"type"`
	Src    string `json:"src"`
	Small  []byte `json:"small,omitempty"`
	Width  int    `json:"width"`
	Height int    `json:"height"`
}

type ImageStore interface {
	Release()
	GetImageByID(id []byte) *ImageInfo
	GetImageByName(name []byte) []byte
	GetAllImageInfo(webAddr string, s, e int64) [][]byte
	//SaveImage, if id is nil, use a random id
	SaveImage(data io.Reader, name string, id []byte) ([]byte, error)
	RemoveImage(id []byte) error
}