public void TravelPlan(Weather weather)
{
TravelStrategy travelPlan = null;
switch (weather)
{
case Weather.Rain:
Console.WriteLine("天气糟糕");
travelPlan = new BackupTravel();
break;
case Weather.Sunny:
Console.WriteLine("天气晴好");
travelPlan = new GuangxiTravel()
{
Budget = 3000
};
break;
}
travelPlan.TravelPlan();
}
public void SetStrategy(TravelStrategy t)
{
_strategy = t;
}