static void Main(string[] args)
{
try
{
{
//new 一个对象 站着一些资源 但是干别的事儿去了
ISubject subject = new RealSubject(); // new 数据库连接
Console.WriteLine("do something else"); // 准备一些参数， 做一些判断
Console.WriteLine("do something else"); // new command 拼装 SQL
Console.WriteLine("do something else");
subject.GetSomethingLong();
subject.DoSomethingLong();
}
{
ISubject subject = new ProxySubject();
subject.GetSomethingLong();
subject.DoSomethingLong();
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
