public class NumberToRMB {
private final String[] hanArr = {"零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"};
private final String[] unitArr = {"仟", "", "十", "佰"};
private final String[] tag = {"元", "万", "亿"};
public String toHanStr(double num) {
String result = "";
long zheng = (long)num;
//long xiao = Math.round((num - zheng) * 100);//如果需要四舍五入，就用这个方法，但是小数点后
//两位依次为99时，第三位不能>=5,否则会报错
long xiao = (long)((num - zheng) * 100);//如果不需要四舍五入，就用这个方法
/*整数部分为0单独考虑*/
if(0 == zheng) {
int tempJiao = (int)(xiao / 10);
int tempFen = (int)(xiao % 10);
if(tempJiao != 0) {
result += hanArr[tempJiao] + "角";
}
if(tempFen != 0) {
result += hanArr[tempFen] + "分";
}
return result;
}
String zhengStr = String.valueOf(zheng);
int len = zhengStr.length();
int tempLen = 0;
/*处理整数部分*/
for(int i = 0; i < len; i++) {
int temp = zhengStr.charAt(i) - 48;
int part = (len - i - 1) / 4; //当前字符处于哪个段
int location = (len - i - 1) % 4; //当前字符处于该段的具体哪个位置
if(location != 0) { //不是该段的最后一个
if(temp != 0) { //当前字符不为0
result += hanArr[temp] + unitArr[(len - i) % 4]; continue;
} else { //当前字符为0
tempLen = result.length();
if(3 == location && result.charAt(tempLen - 1) != '零') { //当前字符为0且为该段第一个
result += "零"; continue;
} else {
tempLen = result.length();
if(result.charAt(tempLen - 1) == '零') {
continue;
} else {
result += "零"; continue;
}
}
}
} else { //是该段最后一个
if(temp != 0) {
result += hanArr[temp] + tag[part]; continue;
} else {
tempLen = result.length();
if(result.charAt(tempLen - 1) != '零') {
result += tag[part]; continue;
} else {
if(result.charAt(tempLen - 2) == '亿' || result.charAt(tempLen - 2) == '万') {
continue;
} else {
result = result.substring(0, tempLen - 1) + tag[part]; continue;
}
}
}
}
}
/*处理小数部分*/
int jiao = (int)(xiao / 10);
int fen = (int)(xiao % 10);
if(jiao != 0) {
result += hanArr[jiao] + "角";
}
if(fen != 0) {
result += hanArr[fen] + "分";
}
/*排除输入形式如60 0000 0000.00，输出为“陆十亿零”的情况*/
tempLen = result.length();
if(result.charAt(tempLen - 1) == '零') {
result = result.substring(0, tempLen - 1);
}
tempLen = result.length();
if(result.charAt(tempLen - 1) == '元') {
result += "整";
}
if(result.charAt(tempLen - 1) == '万' || result.charAt(tempLen - 1) == '亿') {
result += "元整";
}
return result;
}
public static void main(String[] args) {
NumberToRMB ntr = new NumberToRMB();
System.out.println(ntr.toHanStr(6000000000.0000));
System.out.println(ntr.toHanStr(600100.000));
System.out.println(ntr.toHanStr(1006.333));
System.out.println(ntr.toHanStr(10.111));
}
}
部分算法如下：
int len = zhengStr.length();//取整数部分字符串长度
for(i = 0; i < len; i++)//遍历整个整数字符串
int temp = zhengStr.charAt(i) - 48;//当前字符转为数值
int part = (len - i - 1) / 4;//当前字符位于那一段
int location = (len - i - 1) % 4;//当前字符处于段的那一个位置
if 当前字符不是本段最后一个
if 当前字符不为‘0’ result += 转换成的繁体字 + 单位; continue;
else 当前字符为‘0’
if 当前字符是该段第一个字符并且result串的最后一个字符!='零' result += '零';continue;
else
if result串的最后一个字符为'零' continue;
else result串的最后一个字符不为'零' result += '零';
else 当前字符是本段最后一个
if 当前字符不为‘0’ result += 转换成的繁体字 + 段单位; continue;
else 当前字符为'0'
if result串的最后一个字符 != '零' result += 段单位; continue;
else resutl串的最后一个字符 == '零'
if result串的倒数第二个字符为'亿'或者‘万’ continue;
else result串的倒数第二个字符不为'亿'或者'万' result+=result串去零+段单位;continue;