static void Main(string[] args)
{
Param param = new Param()
{
Table = "Person",
Column = "Name",
Key = "Id"
};
DataBase db = new MyDataBase();
LogDecorator logDecorator = new LogDecorator(db);
ExceptionDecorator exceptionDecorator =
new ExceptionDecorator(logDecorator);
logDecorator.Query(param);
try
{
exceptionDecorator.Query(param);
}
catch (DataBaseException e)
{
Console.WriteLine("Error: " + e.Message);
}
}
static void Main(string[] args)
{
//首先实现一个具体的猫
Animal duck = new Duck
{
FootNum = 2,
HaveTail = true,
Name = "鸭子"
};
//再装饰一个日志
duck = new LogDecorator(duck);
//装饰一个时间戳
duck = new TimeStampDecorator(duck);
duck.Sound();
Console.Read();
}
