public static FruitStore GetInstance()
{
//多线程下使用
//if (fsInstance==null)
//{
//lock (_lock)
//{
if (fsInstance == null)
{
fsInstance = new FruitStore();
}
//}
//}
return(fsInstance);
}
public void Execute()
{
FruitStore.GetInstance().ListOfFruits();
}