减少方法名称长度,去掉固定前缀Stock

protocol/model_minute_trade.go

@@ -0,0 +1,125 @@
+package protocol
+
+import (
+	"errors"
+	"fmt"
+)
+
+type MinuteTradeReq struct {
+	Exchange Exchange
+	Code     string
+	Start    uint16
+	Count    uint16
+}
+
+func (req MinuteTradeReq) Check() error {
+	if len(req.Code) != 6 {
+		return errors.New("股票代码长度错误")
+	}
+	if req.Count > 1800 {
+		return errors.New("数量不能超过1800")
+	}
+	return nil
+}
+
+type MinuteTradeResp struct {
+	Count uint16
+	List  []*MinuteTrade
+}
+
+// MinuteTrade 分时成交，todo 时间没有到秒，客户端上也没有,东方客户端能显示秒
+type MinuteTrade struct {
+	Time   string //时间
+	Price  Price  //价格
+	Volume int    //成交量
+	Number int    //单数,历史数据改字段无效
+	Status int    //0是买，1是卖，2无效（汇总出现）
+}
+
+func (this *MinuteTrade) String() string {
+	return fmt.Sprintf("%s \t%-6s \t%-6s \t%-6d(手) \t%-4d(单) \t%-4s",
+		this.Time, this.Price, this.Amount(), this.Volume, this.Number, this.StatusString())
+}
+
+// Amount 成交额
+func (this *MinuteTrade) Amount() Price {
+	return this.Price * Price(this.Volume) * 100
+}
+
+func (this *MinuteTrade) StatusString() string {
+	switch this.Status {
+	case 0:
+		return "买入"
+	case 1:
+		return "卖出"
+	default:
+		return ""
+	}
+}
+
+// AvgVolume 平均每单成交量
+func (this *MinuteTrade) AvgVolume() float64 {
+	return float64(this.Volume) / float64(this.Number)
+}
+
+// AvgPrice 平均每单成交金额
+func (this *MinuteTrade) AvgPrice() Price {
+	return Price(this.AvgVolume() * float64(this.Price) * 100)
+}
+
+// IsBuy 是否是买单
+func (this *MinuteTrade) IsBuy() bool {
+	return this.Status == 0
+}
+
+// IsSell 是否是卖单
+func (this *MinuteTrade) IsSell() bool {
+	return this.Status == 1
+}
+
+type minuteTrade struct{}
+
+func (minuteTrade) Frame(req MinuteTradeReq) (*Frame, error) {
+	if err := req.Check(); err != nil {
+		return nil, err
+	}
+	codeBs := []byte(req.Code)
+	codeBs = append(codeBs, Bytes(req.Start)...)
+	codeBs = append(codeBs, Bytes(req.Count)...)
+	return &Frame{
+		Control: Control01,
+		Type:    TypeMinuteTrade,
+		Data:    append([]byte{req.Exchange.Uint8(), 0x0}, codeBs...),
+	}, nil
+}
+
+func (minuteTrade) Decode(bs []byte, code string) (*MinuteTradeResp, error) {
+
+	if len(bs) < 2 {
+		return nil, errors.New("数据长度不足")
+	}
+
+	resp := &MinuteTradeResp{
+		Count: Uint16(bs[:2]),
+	}
+
+	bs = bs[2:]
+
+	lastPrice := Price(0)
+	for i := uint16(0); i < resp.Count; i++ {
+		mt := &MinuteTrade{
+			Time: GetHourMinute([2]byte(bs[:2])),
+		}
+		var sub Price
+		bs, sub = GetPrice(bs[2:])
+		lastPrice += sub
+		mt.Price = lastPrice / basePrice(code)
+		bs, mt.Volume = CutInt(bs)
+		bs, mt.Number = CutInt(bs)
+		bs, mt.Status = CutInt(bs)
+		bs, _ = CutInt(bs) //这个得到的是0，不知道是啥
+		resp.List = append(resp.List, mt)
+	}
+
+	return resp, nil
+}