java 數字國字互轉－a0973378273的部落格

   //將字串所有的國字小數轉阿拉伯小數(需搭配判斷function 在另一篇文章)
   private String chPointToPoint(String pointString) {
       while (isPointNumeric(pointString)) {//有小數點
           String chpoint = getChPointMath(pointString);//找出第一組小數點
           String[] chpointArray = chpoint.split("點");//用點拆成兩個數字
           chpointArray[0] = StrToInt(chpointArray[0])+"";//轉成數字
           chpointArray[1] = StrToInt(chpointArray[1])+"";//轉成數字
           String newString = chpointArray[0]+"."+chpointArray[1];//組合成新的小數點數字
           pointString = pointString.replace(chpoint, newString);//取代掉原本的國字小數
       }
       return pointString;
   }

//找出字串中第一組阿拉伯數字(對應intToStr方法使用)
   private String getMath(String value) {
       String math = "0123456789";
       String str = "";
       for(int index = 0 ; index < value.length() ; index++) {
           if(math.contains(value.substring(index,index+1))) {
               str+=value.substring(index,index+1);
           }else if(str.length()>0) {
               return str;
           }
       }
       return str;
   }
   //找出字串中第一組國字數字(對應StrToInt方法使用)
   private String getChMath(String value) {
       String ch = "零一二三四五六七八九兩十百千萬億兆";
       String str = "";
       for(int index = 0 ; index < value.length() ; index++) {
           if(ch.contains(value.substring(index,index+1))) {
               str+=value.substring(index,index+1);
           }else if(str.length()>0) {
               return str;
           }
       }
       //單純只有單位的話不算一組國字數字
       if(str.equalsIgnoreCase("十")||str.equalsIgnoreCase("百")||str.equalsIgnoreCase("千")||
               str.equalsIgnoreCase("萬")||str.equalsIgnoreCase("億")||str.equalsIgnoreCase("兆"))
           return "";
       return str;
   }

// 找出字串中第一組國字小數數字
   private String getChPointMath(String value) {
       String ch = "零一二兩三四五六七八九兩十百千萬億兆點";
       String str = "";
       for (int index = 0; index < value.length(); index++) {
           if (ch.contains(value.substring(index, index + 1))) {
               str += value.substring(index, index + 1);
           } else if (str.length() > 0) {
               return str;
           }
       }
       // 單純只有單位的話不算一組國字數字
       if (str.equalsIgnoreCase("十") || str.equalsIgnoreCase("百") || str.equalsIgnoreCase("千")
               || str.equalsIgnoreCase("萬") || str.equalsIgnoreCase("億") || str.equalsIgnoreCase("兆"))
           return "";
       if(!str.contains("點")||str.substring(str.length()-1,str.length()).equalsIgnoreCase("點")||str.substring(0,1).equalsIgnoreCase("點"))
           return "";
       return str;
   }

//國字轉數字
   private static long StrToInt(String value1) {
       int unitPosition1 = value1.indexOf("萬");
       int unitPosition2 = value1.indexOf("億");
       int unitPosition3 = value1.indexOf("兆");
       long mathValueTotal = 0;
       ArrayList<String> unitMath = new ArrayList();//X X萬X億X兆
       unitMath.add(value1);
       //複製if else可擴充單位unitPosition....
       if(unitPosition3>0) {
           String[] unitStr = unitMath.get(0).split("兆");
           unitMath.set(0, unitStr[1]);//將value刪除兆
           unitMath.add(1, unitStr[0]);//兆前面的數字往後塞
       }else {
           unitMath.add(1, "零");//沒有兆則塞零
       }
       if(unitPosition2>0) {
           String[] unitStr = unitMath.get(0).split("億");
           unitMath.set(0, unitStr[1]);//將value刪除億
           unitMath.add(1, unitStr[0]);//億前面的數字往後塞
       }else {
           unitMath.add(1, "零");//沒有億則塞零
       }
       if(unitPosition1>0) {
           String[] unitStr = unitMath.get(0).split("萬");
           unitMath.set(0, unitStr[1]);//將value刪除萬
           unitMath.add(1, unitStr[0]);//萬前面的數字往後塞
       }else {
           unitMath.add(1, "零");//沒有萬則塞零
       }


       for(int unitIndex = 0 ; unitIndex < unitMath.size();unitIndex++) {
           String value = unitMath.get(unitIndex);
       String ch = "零一二三四五六七八九";
       int TenPosition = value.indexOf("十");
       int HunPosition = value.indexOf("百");
       int thoPosition = value.indexOf("千");
       long mathValue = 0;
       if(thoPosition>0) {
           String Ch = value.substring(thoPosition-1,thoPosition);//取得千位的數字
           int Ma = ch.indexOf(Ch);//千位數字轉國字
           if(Ma==-1)
               Ma = 2;//兩
           mathValue+= Ma*1000;
       }
       if(HunPosition>0) {
           String Ch = value.substring(HunPosition-1,HunPosition);//取得百位的數字
           int Ma = ch.indexOf(Ch);//百位數字轉國字
           if(Ma==-1)
               Ma = 2;//兩
           mathValue+= Ma*100;
       }
       if(TenPosition>0) {
           String Ch = value.substring(TenPosition-1,TenPosition);//取得十位的數字
           int Ma = ch.indexOf(Ch);//十位數字轉國字
           if(Ma==-1)
               Ma = 2;//兩
           mathValue+= Ma*10;
       }
       if(TenPosition==value.length()-1||HunPosition==value.length()-1||thoPosition==value.length()-1) {

       }else {//十百千都不在最後一位則有個位數
           String Ch = value.substring(value.length()-1,value.length());//取得個位的數字
           int Ma = ch.indexOf(Ch);//個位數字轉國字
           mathValue+= Ma*1;
       }
       mathValueTotal += mathValue*Math.pow(10000,unitIndex);//依照位置為萬單位
       }
       // 沒有單位的轉換
       String ch = "零一二三四五六七八九";
       long mathValueTotal1 = 0;
       int powIndex = 0;
       for (int index = value1.length(); index > 0; index--) {
           int position = ch.indexOf(value1.substring(index - 1, index));
           if (position >= 0) {
               mathValueTotal1 += position * Math.pow(10, powIndex++);
           } else if(value1.substring(index - 1, index).equalsIgnoreCase("兩")) {// 兩
               mathValueTotal1 += 2 * Math.pow(10, powIndex++);
           }
       }
       if (mathValueTotal1 > mathValueTotal)
           return mathValueTotal1;
       else
           return mathValueTotal;
   }

//數字轉國字(不包含單位..十百千萬億兆)
   private static String DateintToStr(long value) {//數字需要去除零零
       String[] ch = {"零","一","二","三","四","五","六","七","八","九"};
       int One = (int)(value%10);
       int Ten = (int)(value%100/10);
       int Hun = (int)(value%1000/100);
       int tho = (int)(value%10000/1000);
       int pos = 0;
       String chStr = "";
       if(tho>0) {//千位
           chStr= ch[tho]+ch[Hun]+ch[Ten]+ch[One];
       }else if(Hun>0) {//百位
           chStr=ch[Hun]+ch[Ten]+ch[One];
       }else if(Ten>0) {//十位
           chStr=ch[Ten]+ch[One];
       }else {
           chStr=ch[One];
       }
       if(value>=10000) {
           chStr = DateintToStr(value/10000)+chStr;
       }
       return chStr;
   }
   //數字轉國字(包含單位..十百千萬億兆)
   private static String intToStr(long value,int unitInit) {//數字需要去除
       String[] ch = {"零","一","二","三","四","五","六","七","八","九"};
       String[] unit = {"","萬","億","兆"};
       int One = (int)(value%10);
       int Ten = (int)(value%100/10);
       int Hun = (int)(value%1000/100);
       int tho = (int)(value%10000/1000);
       int pos = 0;
       String chStr = ch[tho]+"千"+ch[Hun]+"百"+ch[Ten]+"十"+ch[One];
       while(chStr.subSequence(0, 1).equals("零")&& chStr.length()>1) {//去頭"零"
           chStr = chStr.substring(2, chStr.length());
       }
       if(chStr.subSequence(chStr.length()-1, chStr.length()).equals("零")&& chStr.length()>1) {
           chStr = chStr.substring(0, chStr.length()-1);
       }
       while(chStr.length()>1 && chStr.subSequence(chStr.length()-2, chStr.length()-1).equals("零")) {//去尾"零"
           chStr = chStr.substring(0, chStr.length()-2);
       }
       if(chStr.length()>1 &&chStr.subSequence(0,2).equals("一十")) {
           chStr =chStr.substring(1, chStr.length());
       }
       chStr = chStr.replace("零千", "零");
       chStr = chStr.replace("零百", "零");
       chStr = chStr.replace("零十", "零");
       chStr = chStr.replace("零零", "零");
       chStr = chStr.replace("二百", "兩百");
       chStr = chStr.replace("二千", "兩千");
       if(value>=10000) {
           chStr = intToStr(value/10000,++unitInit)+unit[unitInit]+chStr;
       }
       return chStr;
   }