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qsdk/tushare/cal.go

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2026-05-03 18:53:48 +08:00
package tushare
import (
"time"
"git.apinb.com/quant/qsdk/conv"
)
/*
TradeCal 获取交易日历
exchange: 交易所代码SSE 上交所SZSE 深交所BSE 北交所空字符串代表所有
start_date: 开始日期格式:YYYYMMDD
end_date: 结束日期格式:YYYYMMDD
is_open: 是否开盘'0'休市'1'交易空字符串代表所有
*/
func (cli *TushareClient) TradeCal(exchange, start_date, end_date, is_open string) (*TushareRespData, error) {
params := map[string]any{}
if exchange != "" {
params["exchange"] = exchange
}
if start_date != "" {
params["start_date"] = start_date
}
if end_date != "" {
params["end_date"] = end_date
}
if is_open != "" {
params["is_open"] = is_open
}
req := TushareReq{
APIName: "trade_cal",
Params: params,
}
fields := []map[string]string{
{"exchange": "交易所代码"},
{"cal_date": "日历日期"},
{"is_open": "是否开盘"},
{"pretrade_date": "上一交易日"},
}
return cli.Do(req, fields)
}
func (cli *TushareClient) LastTradeDay() string {
result, err := cli.TradeCal("SSE", time.Now().AddDate(0, 0, -15).Format("20060102"), time.Now().Format("20060102"), "1")
if err != nil {
return ""
}
cal := result.Map()
if len(cal) == 0 {
return ""
}
return conv.AnyToString(cal[0]["cal_date"])
}
func (cli *TushareClient) LimitTradeDay(limit int) []string {
if limit <= 0 {
return []string{}
}
if limit > 100 {
limit = 100
}
result, err := cli.TradeCal("SSE", time.Now().AddDate(0, 0, -100).Format("20060102"), time.Now().Format("20060102"), "1")
if err != nil {
return []string{}
}
cal := result.Map()
days := []string{}
for i := 0; i < limit; i++ {
item := cal[i]
days = append(days, conv.AnyToString(item["cal_date"]))
}
return days
}