// 更新区间极值指数
func UpdateAll() error {
log.Println("开始更新区间极值指标")
// 数据保存目录
dataDir, err := config.GetDataDir()
if err != nil {
return err
}
// 获取所有股票
stocks, err := stock.GetAll()
if err != nil {
return err
}
//log.Printf("共有股票%d只", len(stocks))
for _, stock := range stocks {
// 更新每只股票的指标
err = updateStock(stock.Code, dataDir)
if err != nil {
log.Fatal(err)
}
}
log.Println("区间极值指标更新完毕")
return err
}
func saveSystem() error {
dataDir, err := config.GetDataDir()
if err != nil {
return err
}
filePath := filepath.Join(dataDir, dataFileName)
// 打开文件
file, err := os.OpenFile(filePath, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0x777)
if err != nil {
return err
}
defer file.Close()
file.WriteString(fmt.Sprintf("Codes = %d %v\n", len(currentTurtleTradingSystem.Codes), currentTurtleTradingSystem.Codes))
file.WriteString(fmt.Sprintf("StartAmount = %f\n", currentTurtleTradingSystem.StartAmount))
file.WriteString(fmt.Sprintf("Commission = %f\n", currentTurtleTradingSystem.Commission))
file.WriteString(fmt.Sprintf("StartDate = %s\n", currentTurtleTradingSystem.StartDate))
file.WriteString(fmt.Sprintf("EndDate = %s\n", currentTurtleTradingSystem.EndDate))
file.WriteString(fmt.Sprintf("Start\t[Holding = %d N = %d Enter = %d Exit = %d Stop = %d]\n",
currentTurtleTradingSystem.Start.Holding,
currentTurtleTradingSystem.Start.N,
currentTurtleTradingSystem.Start.Enter,
currentTurtleTradingSystem.Start.Exit,
currentTurtleTradingSystem.Start.Stop))
file.WriteString(fmt.Sprintf("End\t[Holding = %d N = %d Enter = %d Exit = %d Stop = %d]\n",
currentTurtleTradingSystem.End.Holding,
currentTurtleTradingSystem.End.N,
currentTurtleTradingSystem.End.Enter,
currentTurtleTradingSystem.End.Exit,
currentTurtleTradingSystem.End.Stop))
file.WriteString(fmt.Sprintf("Current\t[Holding = %d N = %d Enter = %d Exit = %d Stop = %d]\n",
currentTurtleTradingSystem.Current.Holding,
currentTurtleTradingSystem.Current.N,
currentTurtleTradingSystem.Current.Enter,
currentTurtleTradingSystem.Current.Exit,
currentTurtleTradingSystem.Current.Stop))
file.WriteString(fmt.Sprintf("CurrentProfit = %.3f\n", currentTurtleTradingSystem.CurrentProfit))
file.WriteString(fmt.Sprintf("CurrentProfit = %.3f%%\n", currentTurtleTradingSystem.CurrentProfitPercent*100))
file.WriteString(fmt.Sprintf("Best\t[Holding = %d N = %d Enter = %d Exit = %d Stop = %d]\n",
currentTurtleTradingSystem.Best.Holding,
currentTurtleTradingSystem.Best.N,
currentTurtleTradingSystem.Best.Enter,
currentTurtleTradingSystem.Best.Exit,
currentTurtleTradingSystem.Best.Stop))
file.WriteString(fmt.Sprintf("BestProfit = %.3f\n", currentTurtleTradingSystem.BestProfit))
file.WriteString(fmt.Sprintf("BestProfit = %.3f%%\n", currentTurtleTradingSystem.BestProfitPercent*100))
file.WriteString(fmt.Sprintf("CalculatingAmount = %d\n", currentTurtleTradingSystem.CalculatingAmount))
file.WriteString(fmt.Sprintf("CalculatedAmount = %d\n", currentTurtleTradingSystem.CalculatedAmount))
file.WriteString(fmt.Sprintf("CalculatedSeconds = %d\n", currentTurtleTradingSystem.CalculatedSeconds))
file.WriteString(fmt.Sprintf("RemainTips = %s\n", currentTurtleTradingSystem.RemainTips))
return nil
}
// 更新股票历史
func UpdateAll() error {
log.Print("开始更新股票历史")
// 数据保存目录
dataDir, err := config.GetDataDir()
if err != nil {
return err
}
// 获取所有的股票
stocks, err := stock.GetAll()
if err != nil {
return err
}
chanSend := make(chan int, updateGoroutinesCount)
chanReceive := make(chan int)
// 并发获取股票历史
go func() {
for _, stock := range stocks {
go func(code string) {
// 更新每只股票的历史
err = updateStock(code, dataDir)
if err != nil {
log.Fatal(err)
}
<-chanSend
chanReceive <- 1
}(stock.Code)
chanSend <- 1
}
}()
// 阻塞，直到所有股票更新完历史
for _, _ = range stocks {
<-chanReceive
}
log.Print("股票历史更新成功")
return err
}
// 获取股票列表
func GetAll() ([]Stock, error) {
// 数据保存目录
dataDir, err := config.GetDataDir()
if err != nil {
return nil, err
}
// 股票列表文件路径
filePath := filepath.Join(dataDir, stocksFileName)
_, err = os.Stat(filePath)
if os.IsNotExist(err) {
// 如果股票列表文件不存在，则从纳斯达克下载
stocks, err := downloadFromNasdaq100()
if err != nil {
return nil, err
}
// 保存下载的股票
return stocks, save(stocks, filePath)
}
return load(filePath)
}