拆分不同类型到不同的文件

protocol/model_stock_list.go

@@ -0,0 +1,62 @@
+package protocol
+
+import (
+	"errors"
+	"fmt"
+	"github.com/injoyai/conv"
+)
+
+type StockListResp struct {
+	Count uint16
+	List  []*Stock
+}
+
+type Stock struct {
+	Name         string  //股票名称
+	Code         string  //股票代码
+	VolUnit      uint16  //未知
+	DecimalPoint int8    //未知
+	PreClose     float64 //未知
+}
+
+func (this *Stock) String() string {
+	return fmt.Sprintf("%s(%s)", this.Code, this.Name)
+}
+
+type stockList struct{}
+
+func (stockList) Frame(exchange Exchange, starts ...uint16) *Frame {
+	start := conv.DefaultUint16(0, starts...)
+	return &Frame{
+		Control: Control01,
+		Type:    TypeStockList,
+		Data:    []byte{exchange.Uint8(), 0x0, uint8(start), uint8(start >> 8)},
+	}
+}
+
+func (stockList) Decode(bs []byte) (*StockListResp, error) {
+
+	if len(bs) < 2 {
+		return nil, errors.New("数据长度不足")
+	}
+
+	resp := &StockListResp{
+		Count: Uint16(bs[:2]),
+	}
+	bs = bs[2:]
+
+	for i := uint16(0); i < resp.Count; i++ {
+		sec := &Stock{
+			Code:         string(bs[:6]),
+			VolUnit:      Uint16(bs[6:8]),
+			Name:         string(UTF8ToGBK(bs[8:16])),
+			DecimalPoint: int8(bs[20]),
+			PreClose:     getVolume(Uint32(bs[21:25])),
+		}
+		bs = bs[29:]
+		resp.List = append(resp.List, sec)
+	}
+
+	return resp, nil
+
+}