import org.junit.Test;

public class NumberFormat {private static String[][] cnum={{"零","一","二","三","四","五","六","七","八","九","元","角","分"},?????? ??{"零","壹","貳","叁","肆","伍","陸","柒","捌","玖","圓","角","分"}};private static String[][] dw={{"十","百","千","萬","十","百","千","億"},???????? {"拾","佰","仟","萬","拾","佰","仟","億"}};@Testpublic void test(){?String s="1234567890123456789.01";?Long time=System.nanoTime();?System.out.println(s+"/n"+this.toChinese(s,false));?System.out.println(System.nanoTime()-time);}/***?* ?* @param String numberstr需要轉換的數字串?* @param flag boolean 簡繁體?* @return?*/public String toChinese(String numberstr,boolean flag){?int cnum_flag=flag==true?1:0;?//小數點的索引?int index_point=numberstr.indexOf(".");?if(index_point<0)??index_point=0;?StringBuffer sb=new StringBuffer();?String zhengshu=null;//整數位?String fenshu=null;//分數位???zhengshu=numberstr.substring(0,index_point);??int strLen=zhengshu.length();??for(int j=1;j<=strLen;j++){???char num=zhengshu.charAt(j-1);???toNum(sb,num,cnum_flag);????int i=strLen-j-1;????if(i!=-1){?????sb.append(dw[cnum_flag][i%8]);????}??}????if(index_point>0){???fenshu=numberstr.substring(index_point+1);???sb.append(cnum[cnum_flag][10]);???for(int j=1;j<=fenshu.length();j++){????char num=fenshu.charAt(j-1);????toNum(sb,num,cnum_flag);????switch(j){?????case 2:??????sb.append(cnum[cnum_flag][12]);??????break;?????case 1:??????sb.append(cnum[cnum_flag][11]);??????break;????}???}??}?return sb.toString();}private void toNum(StringBuffer sb,char ch,int cnum_flag){?switch(ch){?case '0':??sb.append(cnum[cnum_flag][0]);??break;?case '1':??sb.append(cnum[cnum_flag][1]);??break;?case '2':??sb.append(cnum[cnum_flag][2]);??break;?case '3':??sb.append(cnum[cnum_flag][3]);??break;?case '4':??sb.append(cnum[cnum_flag][4]);??break;?case '5':??sb.append(cnum[cnum_flag][5]);??break;?case '6':??sb.append(cnum[cnum_flag][6]);??break;?case '7':??sb.append(cnum[cnum_flag][7]);??break;?case '8':??sb.append(cnum[cnum_flag][8]);??break;?case '9':??sb.append(cnum[cnum_flag][9]);??break;?}}}

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