数字金额转换中文大写Java实现

package numToCh;
/** *//**
 * @author 毛朝志 华北电力大学 计算0401（请保留！）
 * 欢迎汇报错误和提出改进意见 QQ：406804063 Email：maochaozhi101@163.com
 * 
 */
public class numToChRMB ...{
    private static final String chs[] = ...{ "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖", "拾" };

    /** *//**
     * 
     * @param money 金额数字串
     * @return 金额中文大写
     * 将输入数字串money分割成4位数，将四位数转换成金额大写后再加上单位（"","万","亿"）
     */
    public static String numToRMB(String money) ...{
        StringBuilder chRMB = new StringBuilder();
        money=money.replaceAll("[,，]", "");//去除分隔符逗号
        
        try ...{
            double t = Double.parseDouble(money);
            if (t < 0) ...{
                System.out.println("金额不能是负的！");
                throw new IllegalArgumentException("金额不能是负的！");
                //return null;
            }
        } catch (NumberFormatException e) ...{
            System.out.println("输入数据有误，请检查！");
            throw new IllegalArgumentException("输入数据有误，请检查！");
            //return null;
        }
        int dotPos = money.indexOf('.');
        String strz;//截取整数部分
        if(dotPos==-1)...{
            strz=money;
        }
        else...{
            strz=money.substring(0, dotPos);//整数部分
        }
        StringBuilder sb=new StringBuilder(strz);
        while(sb.length()>=1&&sb.charAt(0)=='0')...{// 去掉数前面多余的零
            sb.deleteCharAt(0);
        }
        if(sb.length()==0)...{//输入为‘0...0’的情况
            return "零";
        }
        strz=sb.toString();
        String cur="";
        boolean zero=false;//记录是否应该加‘零’如 1，0000，0000，0001，读作 壹万亿零壹圆整
        String temp;
        String digits;//每次截取的最后四位数
        while(strz.length()>0)...{
            
            if(strz.length()>=4)...{
                digits=strz.substring(strz.length()-4);
                strz=strz.substring(0, strz.length()-4);
            }
            else...{
                digits=strz;
                strz="";

            }
                temp=fourMaxChange(digits);
                if(temp.equals("零"))...{
                    if(cur.equals("亿"))...{
                        chRMB.insert(0, "亿");
                    }
                    if (zero == true) ...{
                        if (!chRMB.substring(0, 1).equals("零"))
                            chRMB.insert(0, "零");
                        zero = false;
                    }
                }
                else ...{
                temp += cur;
                chRMB.insert(0, temp);
                if (digits.charAt(0) == '0')
                    if (chRMB.length() >=1
                            && !chRMB.substring(0, 1).equals("零"))
                        chRMB.insert(0, "零");
                zero = true;

            }
                if(cur.equals(""))...{//改变单位
                    cur="万";
                }
                else if(cur.equals("亿"))...{
                    cur="万";
                }
                else cur="亿";
                
            }
        String strx;
        if(dotPos!=-1)...{//有小数
        strx = money.substring(dotPos+1);
        if (strx.length() > 2) ...{
            System.out.println("金额只允许两位小数！");
            throw new IllegalArgumentException("金额只允许两位小数！");
            //return null;
        }
        int xiaoshu = Integer.parseInt(strx);//小数部分
        if(xiaoshu==0||strx.length()==0)...{
            chRMB.append("圆整");//整
        }
        else
        chRMB.append("圆");
        if(strx.length()==1)...{
            chRMB.append(chs[xiaoshu]).append("分");
        }
        else...{
            if(xiaoshu/10!=0)...{
                chRMB.append(chs[xiaoshu/10]).append("角");
            }
            else...{
                chRMB.append("零");
            }
            if(xiaoshu%10!=0)...{
                chRMB.append(chs[xiaoshu%10]).append("分");
            }
        }
        }
        else...{
            chRMB.append("圆整");
        }
        
        return chRMB.toString();
    }
    /** *//**
     * 
     * @param number 输入数字串
     * @return 转换后的大写金额
     * @throws NumberFormatException 不合法的数字
     * 将最多四位整数转换成大写金额
     */
    public static String fourMaxChange(String number)
            throws NumberFormatException ...{// 将最多四位整数转换成大写金额
        StringBuilder rs = new StringBuilder();
        int money;
        money = Integer.parseInt(number);
        boolean zero = false;
        if (money / 1000 != 0) ...{
            zero = true;
            rs.append(chs[money / 1000]).append("仟");
            money %= 1000;
        }

        if (money / 100 != 0) ...{
            zero = true;
            rs.append(chs[money / 100]).append("佰");
            money %= 100;
        } else if (zero == true) ...{
            rs.append(chs[0]);// 零
            money %= 100;
        }

        if (money / 10 != 0) ...{
            zero = true;
            rs.append(chs[money / 10]).append("拾");
            money %= 10;
        } else if (zero == true && !rs.substring(rs.length() - 1).equals("零")) ...{
            rs.append(chs[0]);// 零
            money %= 10;
        }
        if (money != 0) ...{
            zero = true;
            rs.append(chs[money]);
        } else if (zero == true && rs.substring(rs.length() - 1).equals("零")) ...{
            rs.delete(rs.length() - 1, rs.length());
        }
        if (zero == true)
            return rs.toString();
        else
            return chs[0];//零
    }
    public static void main(String[] args) ...{
        System.out.println(numToRMB("12,0000,0000,0403,0012,0000.02"));
    }
}