package java第4章;

import java.util.Scanner;

public class GouWu {

	public static void main(String[] args) {
		// 综合运用嵌套if选择结构、switch选择结构、多重if选择结构进行实现商品换购功能
		Scanner input = new Scanner(System.in);
		System.out.print("请输入消费金额:");
		double yuan =input.nextDouble();
		System.out.println("是否参加优惠换购活动:");
		System.out.print("请选择:");
		double qian =input.nextDouble();
		switch ((int)qian){
		       case 1:
		    	   if(yuan>=50){
		             System.out.println("本次消费金额"+(yuan+2)); 
		             System.out.println("成功兑换:可乐一瓶"); 
		    	   }
		       case 2:
		    	   if(yuan>=100){
		    		  System.out.println("本次消费金额"+(yuan+3)); 
			          System.out.println("成功兑换:500ml可乐一瓶"); 
		    	   }
		       case 3:	   
		    	   if(yuan>=100){
		    		   System.out.println("本次消费金额"+(yuan+10)); 
				       System.out.println("成功兑换:5公斤面粉"); 
		    	   }
		       case 4:  
		    	   if(yuan>=200){
		    		   System.out.println("本次消费金额"+(yuan+10)); 
				       System.out.println("成功兑换:1个炒锅"); 
		    	   }
		       case 5:  
		    	   if(yuan>=200){
		    		   System.out.println("本次消费金额"+(yuan+20)); 
				       System.out.println("成功兑换:爽肤水1瓶");
		    	   }
		       case 0 :  
		    	   {System.out.println("不换购");
		    		   
		    	   }
		    	   
		    	   
		    	   
		}
		
		
		
		
	}

}