static void Main12()
{
Console.WriteLine("Hello Chain of Responsibility Pattern!");
Approver wjzhang, gyang, jguo, meeting;
wjzhang = new Director("Wuji Zhang");
gyang = new VicePresident("Guo Yang");
jguo = new President("Jing Guo");
meeting = new Congress("Board");
wjzhang.SetNextApprover(gyang);
gyang.SetNextApprover(jguo);
jguo.SetNextApprover(meeting);
PurchaseRequest pr1 = new PurchaseRequest(45000, 10001, "Purchase Yi Tian Jian");
PurchaseRequest pr2 = new PurchaseRequest(60000, 10002, "Purchase <<Muxplay>>");
PurchaseRequest pr3 = new PurchaseRequest(160000, 10003, "Purchase <<Diamond Sutra>>");
PurchaseRequest pr4 = new PurchaseRequest(800000, 10004, "Purchase Peach Land");
wjzhang.ProcessRequest(pr1);
wjzhang.ProcessRequest(pr2);
wjzhang.ProcessRequest(pr3);
wjzhang.ProcessRequest(pr4);
Console.ReadLine();
}