chainapp.java

设计模式代码

//
public class ChainApp{
	public static void main(String []args){
		//
		Approver Colin=new Director("胡老师");
		Approver Colin=new Director("教研室主任");
		Approver Colin=new Director("系主任");
		
		//
		Colin.SetSuccessor(Xie);
		Xie.SetSuccessor(Wu);
		
		//
		PurchaseRequest rs=new PurchaseRequest(2034,350.00,"Supplies");
		Colin.ProcessRequest(rs);
		
		//
		PurchaseRequest rx=new PurchaseRequest(2035,32590.10,"Project X");
		Colin.ProcessRequest(rx);
		
		PurchaseRequest ry=new PurchaseRequest(2036,122100.00,"Project Y");
		Colin.ProcessRequest(ry);
	}
}