dev 4

go-client/libs/calc.go

@@ -1,6 +1,7 @@
 package libs
 
 import (
+	"math"
 	"math/rand"
 	"time"
 )
@@ -23,3 +24,15 @@ func TradingTime(t time.Time) bool {
 	return (second >= 9*3600+30*60 && second <= 11*3600+30*60) ||
 		(second >= 13*3600 && second <= 15*3600)
 }
+
+func CalcBuyVolume(price, buyValue float64) int {
+	if price <= 0 || buyValue <= 0 {
+		return 0
+	}
+	// 不足一手时仍按最低一手委托。
+	hands := int(math.Floor(buyValue / (price * 100)))
+	if hands == 0 {
+		hands = 1
+	}
+	return hands * 100
+}