给定数字生成中文数字
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public class T{
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public static void main(String[] args) {
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int i=123456789;
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Solution s=new Solution();
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System.out.println(s.intToroman(1234567890));
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System.out.println(s.intToroman(150001));
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System.out.println(s.intToroman(30150000));
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}
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}
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class Solution{
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String[] metadata=newString[]{"零","一","二","三","四","五","六","七","八","九"};
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String[] bit=newString[]{"","十","百","千","","万","亿"};
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public String intToroman(int i){
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String result="";
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int r=0;
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while(i>0){
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int cur=i%10000;
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i=i/10000;
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boolean flag=cur<1000&&i>0; //计算前面需要补零的情况
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int index=0;
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String s="";
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while(cur>0){
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s= metadata[cur%10]+ (cur%10==0?"":bit[index]) +s;
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cur=cur/10;
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index++;
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}
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//每四位,加单位,补零
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result=(flag?"零":"")+s+bit[4+r]+result;
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r++;
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}
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//如果有多个位都是零,则保留一个.各位的零抹去
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return result.replaceAll("零+","零").replaceAll("零$","");
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}
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}
结果:
一十二亿三千四百五十六万七千八百九十
一十五万零一
三千零一十五万
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