人民币小写转大写算法

阳光穿透心脏的1/2处 2022-05-29 10:36 286阅读 0赞

import java.math.*;
    import java.util.*;
    public class a
    
    {
        static int Pw(double a)  //判断位数
        {
            int count=0;
            for(int i=1;;i*=10)
            if(a>i) count++;
            else break;
            return count;
        }
        static String anl(double a)
        {
            double xiaoshuh=a%1.0+0.001;
            String[] shul={
       "","壹","贰","叁","肆","伍","陸","柒","捌","玖"};
            String xiaos="";
            String[] zhengs={
       "","",""};
            int zhshubf=(int)a;
            int ws=Pw(a);
            if((int)(xiaoshuh*10)!=0)
                xiaos+=shul[(int)(xiaoshuh*10)]+"角";
            if((int)(xiaoshuh*100%10)!=0)
                xiaos+=shul[(int)(xiaoshuh*100%10)]+"分";
            for(int i=0;i<=ws/4;i++)
            {   
                int z;
                if(ws>=(i+1)*4)
                z=4;
                else z=ws%4;
                String[] dw={
       "","万","亿"};                           
                double chuls=(double)(zhshubf/(Math.pow(10000.0, i+1))%1.0+0.00001);
                    System.out.println("第"+(i+1)+"次 chuls="+chuls);
                switch(z)
                {
                    case 4: if((int)(chuls*10)!=0) zhengs[i]+=shul[(int)(chuls*10)]+"仟";
                    case 3: if((int)(chuls*100%10)!=0) zhengs[i]+=shul[(int)(chuls*100%10)]+"百";
                    case 2: if((int)(chuls*1000%10)!=0) zhengs[i]+=shul[(int)(chuls*1000%10)]+"拾";
                    case 1: if((int)(chuls*10000%10)!=0) zhengs[i]+=shul[(int)(chuls*10000%10)]+dw[i];              
                }
                System.out.println(zhengs[i]);
            }   
            if(a>0.0)   
                return zhengs[2]+zhengs[1]+zhengs[0]+"元"+xiaos;     
            else
                return xiaos;       
        }
        public static void main(String[] args)
        {
            double RMB;
            Scanner inn=new Scanner(System.in);
            System.out.print("请输入数字（小于十位）：");
            RMB=inn.nextDouble();   
            System.out.println("大写："+anl(RMB));         
        }
    }