增加历史分时图

protocol/model_history_minute.go

@@ -0,0 +1,64 @@
+package protocol
+
+import (
+	"errors"
+	"github.com/injoyai/conv"
+	"time"
+)
+
+type historyMinute struct{}
+
+func (this historyMinute) Frame(date, code string) (*Frame, error) {
+	exchange, number, err := DecodeCode(code)
+	if err != nil {
+		return nil, err
+	}
+	dataBs := Bytes(conv.Uint32(date))
+	dataBs = append(dataBs, exchange.Uint8())
+	dataBs = append(dataBs, []byte(number)...)
+	return &Frame{
+		Control: Control01,
+		Type:    TypeHistoryMinute,
+		Data:    dataBs,
+	}, nil
+}
+
+func (this historyMinute) Decode(bs []byte) (*MinuteResp, error) {
+
+	if len(bs) < 6 {
+		return nil, errors.New("数据长度不足")
+	}
+
+	resp := &MinuteResp{
+		Count: Uint16(bs[:2]),
+	}
+
+	multiple := Price(1)
+	if bs[5] > 0x40 {
+		multiple = 10
+	}
+
+	//2-4字节是啥?
+	bs = bs[6:]
+
+	lastPrice := Price(0)
+	t := time.Date(0, 0, 0, 9, 30, 0, 0, time.Local)
+	for i := uint16(0); i < resp.Count; i++ {
+		var price Price
+		bs, price = GetPrice(bs)
+		bs, _ = GetPrice(bs) //这个是什么
+		lastPrice += price
+		var number int
+		bs, number = CutInt(bs)
+
+		if i == 120 {
+			t = t.Add(time.Minute * 90)
+		}
+		resp.List = append(resp.List, PriceNumber{
+			Time:   t.Add(time.Minute * time.Duration(i+1)).Format("15:04"),
+			Price:  lastPrice * multiple,
+			Number: number,
+		})
+	}
+	return resp, nil
+}