cache

Documentation

Index

• Constants
• func CheckFilepath(filename string) error
• func GetCache(fullCode string) *os.File
• func GetDayPath() string
• func GetInfoPath() string
• func GetKLineFilename(fullCode string) string
• func KLinePath(fc string) (string, string, int)
• type CacheType
• type DataFrame
  • func (this DataFrame) Offset(n int) (date []string, vOpen []float64, vClose []float64, vHigh []float64, ...)
• type FastCache
  • func Create(filename string, size int64) (*FastCache, error)
  • func Open(filename string) (*FastCache, error)
  • func (fc *FastCache) Close()

Constants

const (
	DAY_PATH  = "day"  // 日线路径
	INFO_PATH = "info" // 信息路径
	TICK_PATH = "tick" // tick路径
)

Functions

func CheckFilepath

func CheckFilepath(filename string) error

CheckFilepath

检查filename 文件路径, 如果不存在就创建

func GetCache

func GetCache(fullCode string) *os.File

func GetDayPath

func GetDayPath() string

GetDayPath 历史数据-日线缓存路径

func GetInfoPath

func GetInfoPath() string

GetInfoPath 证券信息路径

func GetKLineFilename

func GetKLineFilename(fullCode string) string

GetKLineFilename 获取缓存的文件名

func KLinePath

func KLinePath(fc string) (string, string, int)

Types

type CacheType

type CacheType int

const (
	CACHE_TARS CacheType = iota
	CACHE_CSV
)

var (
	// CACHE_ROOT_PATH cache路径
	CACHE_ROOT_PATH = category.DATA_ROOT_PATH
	CACHE_TYPE      CacheType
)

type DataFrame

type DataFrame struct {
	Length int       `json:"length"`
	Date   []string  `json:"date"`
	Open   []float64 `json:"open"`
	High   []float64 `json:"high"`
	Low    []float64 `json:"low"`
	Close  []float64 `json:"close"`
	Volume []int64   `json:"volume"`
}

DataFrame 数据帧

func (DataFrame) Offset

func (this DataFrame) Offset(n int) (date []string, vOpen []float64, vClose []float64, vHigh []float64, vLow []float64, vVolume []int64)

type FastCache

type FastCache struct {
	Data []byte
	// contains filtered or unexported fields
}

func Create

func Create(filename string, size int64) (*FastCache, error)

func Open

func Open(filename string) (*FastCache, error)

func (*FastCache) Close

func (fc *FastCache) Close()