输入d时候如果输入数字不为浮点数则提示“sorry！请重新输入：”如果输入的数为浮点数则提示“再见”用以下代码补全 package t7; import java.text.DecimalFormat;//导入外面的包 import java.util.Scanner; import t2.WeekDemo; public class ZhiChuDemo { double zhichu[]=new double[7];//定义一个数组存放7个支出数据 String titles[]={"衣","食","住","行","交际","爱好","其他"}; public static void main(String[] args){ WeekDemo temp1=new WeekDemo();//创建对象 //打印 2023-3-28 星期二 System.out.println("今天是："+temp1.getTodayStr());//周日是1 ...周六是7 ZhiChuDemo temp=new ZhiChuDemo(); temp.input(); temp.printPer(); temp.printArc(); } public void input(){//从键盘上接收数字并赋值 Scanner s=new Scanner(System.in); try{ for(int i=0;i<zhichu.length;i++){ System.out.println("请输入这个月--"+titles[i]+"---这项的支出"); String str=s.next();//从键盘上接收一个字符串 //判断str是不是合法的float数 如果不是，重新输入 zhichu[i]=Float.parseFloat(str); } }catch(Exception ex){ System.out.print(ex.getMessage()); } } public double countSum(){//计算总支出 double all=0; for(int i=0;i<zhichu.length;i++){ all=all+zhichu[i];//累加 } return all; } public void printPer(){//打印百分比 double money=countSum(); // DecimalFormat df3 = new DecimalFormat("0.00"); System.out.println("总支出额:"+(int)money); for(int i=0;i<zhichu.length;i++){ System.out.println("---"+titles[i]+"---占总支出的百分比:"+((zhichu[i]/money)*100)+'%'); } } public void printArc(){//打印弧度值 double money=countSum(); for(int i=0;i<zhichu.length;i++){ System.out.println("---"+titles[i]+"---在图饼中占"+((int)((zhichu[i]/money)*360))+"度"); } } }

package t7;
import java.text.DecimalFormat;
import java.util.Scanner;
import t2.WeekDemo;

public class ZhiChuDemo {
    double zhichu[]=new double[7];
    String titles[]={"衣","食","住","行","交际","爱好","其他"};

    public static void main(String[] args){
        WeekDemo temp1=new WeekDemo();
        System.out.println("今天是："+temp1.getTodayStr());
        ZhiChuDemo temp=new ZhiChuDemo();
        temp.input();
        temp.printPer();
        temp.printArc();
    }

    public void input(){
        Scanner s=new Scanner(System.in);
        for(int i=0;i<zhichu.length;i++){
            System.out.println("请输入这个月--"+titles[i]+"---这项的支出");
            String str=s.next();
            while(true){
                try{
                    Float.parseFloat(str);
                    zhichu[i]=Float.parseFloat(str);
                    System.out.println("再见");
                    break;
                }catch(Exception ex){
                    System.out.println("sorry！请重新输入：");
                    str=s.next();
                }
            }
        }
    }

    public double countSum(){
        double all=0;
        for(int i=0;i<zhichu.length;i++){
            all=all+zhichu[i];
        }
        return all;
    }

    public void printPer(){
        double money=countSum();
        DecimalFormat df3 = new DecimalFormat("0.00");
        System.out.println("总支出额:"+(int)money);
        for(int i=0;i<zhichu.length;i++){
            System.out.println("---"+titles[i]+"---占总支出的百分比:"+((zhichu[i]/money)*100)+'%');
        }
    }

    public void printArc(){
        double money=countSum();
        for(int i=0;i<zhichu.length;i++){
            System.out.println("---"+titles[i]+"---在图饼中占"+((int)((zhichu[i]/money)*360))+"度");
        }
    }
}