//没有合适的方法来重新，难道是因为签名有问题吗？？？？
public void Add(string serialNumber, double price, Builder_Enum builder, string model, Type_Enum type,
Wood_Enum backWood, Wood_Enum topWood, Style_Enum style)
{
PianoSpec pianoSpec = new PianoSpec(builder, model, type, backWood, topWood, style);
Piano piano = new Piano(serialNumber, price, pianoSpec);
pianos.Add(piano);
}
public Piano GetPiano(string serialNumber)
{
for (int i = 0; i < pianos.Count; i++)
{
Piano piano = pianos[i];
if (piano.SerialNumber.Equals(serialNumber))
{
return(piano);
}
}
return(null);
}
public List <Piano> Search(PianoSpec searchSpec)
{
List <Piano> matchGuitar = new List <Piano>();
for (int i = 0; i < pianos.Count; i++)
{
Piano piano = pianos[i];
Builder_Enum builder = searchSpec.Builder;
if (builder != piano.InstrumentSpec.Builder)
{
continue;
}
string model = searchSpec.Model.ToLower();
if ((model != null) && (!model.Equals("")) &&
(!model.Equals(piano.InstrumentSpec.Model.ToLower())))
{
continue;
}
Type_Enum type = searchSpec.Type;
if (type != piano.InstrumentSpec.Type)
{
continue;
}
Wood_Enum backWood = searchSpec.BackWood;
if (backWood != piano.InstrumentSpec.BackWood)
{
continue;
}
Wood_Enum topWood = searchSpec.TopWood;
if (topWood != piano.InstrumentSpec.Top_Wood)
{
continue;
}
Style_Enum style = searchSpec.Style;
if (style != piano.InstrumentSpec.Style)
{
continue;
}
matchGuitar.Add(piano);
}
return(matchGuitar);
}