责任链模式(简单版)


package com.yf.chainModel;

public abstract class LeaveHandler {
	protected LeaveHandler successor;
	public void setSuccessor(LeaveHandler successor){
		this.successor=successor;
	}
	public abstract void disposeLeave(int day);

}
package com.yf.chainModel;

public class Lead extends LeaveHandler{
	@Override
	public void disposeLeave(int day) {
		if(day<=1){
			System.out.print("i can handle"+day);
		}else{
			successor.disposeLeave(day);
		}
		
	}

}

package com.yf.chainModel;

public class HrBoss extends LeaveHandler{
	@Override
	public void disposeLeave(int day) {
		if(day<=5){
			System.out.print("i can handle"+day);
		}else{
			successor.disposeLeave(day);
		}
		
	}

}

package com.yf.chainModel;

public class CTO extends LeaveHandler{
	@Override
	public void disposeLeave(int day) {
		if(day<=3){
			System.out.print("i can handle"+day);
		}else{
			successor.disposeLeave(day);
		}
		
	}

}

package com.yf.chainModel;

public class CEO extends LeaveHandler{
	@Override
	public void disposeLeave(int day) {
		System.out.print("i can handle"+day);
	}

}

package com.yf.chainModel;

public class LeaveHandlerFactory {
	public static LeaveHandler createHandler(){
		LeaveHandler lead=new Lead();
		LeaveHandler cto=new CTO();
		LeaveHandler hrBoss=new HrBoss();
		LeaveHandler ceo=new CEO();
		lead.setSuccessor(cto);
		cto.setSuccessor(hrBoss);
		hrBoss.setSuccessor(ceo);
		return lead;
	}
}

package com.yf.chainModel;

public class testMain {
	
	public static void main(String[] args){
		 LeaveHandler handler=LeaveHandlerFactory.createHandler();
		 handler.disposeLeave(10);
	}

}


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转载自blog.csdn.net/weixin_40839342/article/details/80751564