// 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 Default() *TurtleTradingSystem {
stocks, err := stock.GetAll()
if err != nil {
log.Fatal("获取股票列表时发生错误:", err)
return nil
}
codes := make([]string, 0)
for _, s := range stocks {
codes = append(codes, s.Code)
}
system := &TurtleTradingSystem{
Codes: codes,
StartAmount: 100000,
Commission: 7,
StartDate: "20060101",
EndDate: "20141231",
Start: TurtleTradingSystemParameter{
Holding: 2,
N: 2,
Enter: 2,
Exit: 2,
Stop: 2},
End: TurtleTradingSystemParameter{
Holding: 20,
N: 50,
Enter: 50,
Exit: 50,
Stop: 50},
Current: TurtleTradingSystemParameter{
Holding: 2,
N: 2,
Enter: 2,
Exit: 2,
Stop: 2},
CurrentProfit: 0,
CurrentProfitPercent: 0,
Best: TurtleTradingSystemParameter{
Holding: 2,
N: 2,
Enter: 2,
Exit: 2,
Stop: 2},
BestProfit: 0,
BestProfitPercent: 0,
CalculatedSeconds: 0,
RemainTips: "计算尚未开始",
}
system.CalculatingAmount = int64(len(system.Codes) *
(system.End.Holding - system.Start.Holding + 1) *
(system.End.N - system.Start.N + 1) *
(system.End.Enter - system.Start.Enter + 1) *
(system.End.Exit - system.Start.Exit + 1) *
(system.End.Stop - system.Start.Stop + 1))
return system
}
// 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
}