Java怎么实现人民币小写转换为大写

2024-10-26 百科资讯

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publicclassRMBChange{privatestaticString[]nums={"零","壹","贰","叁","肆","伍","陆","柒","捌","玖"};//单位还可以往上privatestaticString[]unit={"元","拾","佰","仟","万","拾","佰","仟","亿","拾","佰","仟","万"};//小数位如还有需求可以直接往这个数组里加，privatestaticString[]countNum={"角","分"};publicstaticStringchange(Stringmoney){//过滤空if(money==null||"".equals(money)){return"";}StringBuilderres=newStringBuilder();String[]splitStr=money.split("\.");if(splitStr.length>2){thrownewRuntimeException("输入的参数不是数字！");}Stringfront=splitStr[0];//用于判定0的显示booleanisZero=true;if(front.length()>unit.length){thrownewRuntimeException("输入的参数大于万亿！");}for(inti=0;i<front.length();i++){//整数位处理intdw=front.length()-i-1;//用ASCII码获得数字intindex=(front.charAt(i)-'0');if(index==0){isZero=true;if(dw==0||dw==4||dw==8){//元，万，亿需要拼接res.append(unit[dw]);}}else{if(isZero&&i!=0){//多个0只显示一个res.append(nums[0]);}isZero=false;res.append(nums[index]);res.append(unit[dw]);}}//判断是否有小数位if(splitStr.length>1){//小数位处理，如果不需要则直接删除这个if及内部所有内容isZero=true;Stringback=splitStr[1];if(back.length()>countNum.length){thrownewRuntimeException("小数位小于【"+countNum[countNum.length-1]+"】！");}for(inti=0;i<back.length();i++){intindex=(back.charAt(i)-'0');if(index==0){isZero=true;}else{if(isZero&&i!=0){res.append(nums[0]);}isZero=false;res.append(nums[index]);res.append(countNum[i]);}}}returnres.toString();}}

测试数据

publicstaticvoidmain(String[]args){System.out.println(change("9999999999999.99"));//玖万玖仟玖佰玖拾玖亿玖仟玖佰玖拾玖万玖仟玖佰玖拾玖元玖角玖分System.out.println(change("5020055606500.00"));//伍万零贰佰亿零伍仟伍佰陆拾万零陆仟伍佰元System.out.println(change("4001500050.16"));//肆拾亿零壹佰伍拾万零伍拾元壹角陆分System.out.println(change("7854416"));//柒佰捌拾伍万肆仟肆佰壹拾陆元System.out.println(change("9556"));//玖仟伍佰伍拾陆元System.out.println(change("10086.0"));//壹万零捌拾陆元System.out.println(change("263341.26"));//贰拾陆万叁仟叁佰肆拾壹元贰角陆分System.out.println(change("3651.06"));//叁仟陆佰伍拾壹元零陆分System.out.println(change("1.00"));//壹元System.out.println(change("300.00"));//叁佰元System.out.println(change("2007.01"));//贰仟零柒元零壹分}

输出结果