人民币大小写转换

笔试题

• 将人民币转换成大写

    public static void printGe(int number) {
        switch (number){
            case 1:
                System.out.print("一");
                break;
            case 2:
                System.out.print("二");
                break;
            case 3:
                System.out.print("三");
                break;
            case 4:
                System.out.print("四");
                break;
            case 5:
                System.out.print("五");
                break;
            case 6:
                System.out.print("六");
                break;
            case 7:
                System.out.print("七");
                break;
            case 8:
                System.out.print("八");
                break;
            case 9:
                System.out.print("九");
                break;
        }
    }
    public  static void printShi(int number){
        int shi = number / 10;
        int ge = number % 10;
        if(number >= 10){
            printGe(shi);
            System.out.print("十");
            printGe(ge);
        }else if(number < 10 && number > 0){//printBai会调用这个if 几百零几
            System.out.print("零");
            printGe(ge);
        }else{
            printGe(ge);
        }
    }
    public static  void printBai(int number){
        int bai = number / 100;
        int shi = number % 100;
        //正常 111
        if(number >= 100){
            printGe(bai);
            System.out.print("百");
            printShi(shi);
        }else if(number < 100 && number > 10){//printQian的1010会走这个if
            System.out.print("零");
            printShi(shi);
        }else{
            printShi(shi);
        }
    }
    public static void printQian(int number){
        int qian = number / 1000;
        int bai = number % 1000;
        if(number >= 1000){
            printGe(qian);
            System.out.print("千");
            printBai(bai);
        }else if (number < 1000 && number > 100){
            System.out.print("零");
            printBai(bai);
        }else{
            printBai(bai);
        }
    }
    public static void printWan(int number){
        int wan = number / 10000;
        int qian = number % 10000;
        if(number >= 10000){
            if(wan < 10 && wan > 0){//几万
                printGe(wan);
            }
            else if(wan >= 10 && wan< 100){
                printShi(wan);//几十万
            }else if(wan >= 100 && wan < 1000){
                printBai(wan);//几百万
            }else if(wan >= 1000 && wan < 10000){
                printQian(wan);//几千万
            }
            System.out.print("万");
            printQian(qian);
        }else if(number < 10000 && number > 1000){
            System.out.print("零");
            printQian(qian);
        }else{
            printQian(qian);
        }
    }
    public static void printYi(int number){
        int yi = number / 100000000;
        int wan = number % 100000000;
        if(yi > 0 && yi < 10){
            printGe(yi);//几亿
        }else if (yi >= 10 && yi <100){
            printShi(yi);//几十亿
        }else if (yi >= 100 && yi < 1000){
            printBai(yi);//几百亿
        }
        System.out.print("亿");
        printWan(wan);
    }
    public static void print(int number){
        if(number > 0 && number < 10) printGe(number);
        else if(number >= 10 && number < 100) printShi(number);
        else if(number >= 100 && number < 1000)printBai(number);
        else if(number >= 1000 && number < 10000) printQian(number);
        else if(number >= 10000 && number < 100000000)printWan(number);
        else  printYi(number);
    }
    public static void main(String[] args) {
        print(1234567890);
    }