第二次作业+105032014030

package test;
 
import java.util.Scanner;;
 
public class com {
    public static float commission(int headphone,int shell,int protector){
        float sum=headphone*80+shell*10+protector*8;
        float com=0;
        if(sum>=0&&sum<=1000){
            com=(float) (sum*0.1);
        }else if(sum<=1800){
            com=(float) (100+(sum-1000)*0.15);
        }else{
            sum=(float) (220+(sum-1800)*0.2);
        }
        return com;
    }
    public static void main(String[] args) {
        boolean b=true;
        int headphone,shell,protector;
        while(b){
            System.out.println("请分别输入三种手机配件的销售情况：\n");
            Scanner scanner = new Scanner(System.in);
            try{
            headphone=scanner.nextInt();
            shell=scanner.nextInt();
            protector=scanner.nextInt();
            if(headphone<0 || shell<0 || protector<0){
                if(headphone==-1){
                    System.out.println("退出");
                    break;
                }else{
                    System.out.println("输入数量不满足条件");
                }
            }else{
                float com=0;
                com=commission(headphone,shell,protector);
                System.out.println("佣金额为:"+com);
            }}catch(java.util.InputMismatchException e){
                System.out.println("输入的不是整数，请再次输入");
                b = true;
            }
        }
         
    }
 
}