Java后端实现将金额转换成对应的大写金额
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Java将金额转换成大写金额,可直接复制MoneyToCNFormat工具类使用。
public class MoneyToCNFormat {
private static final String[] CN_NUMBERS = { "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖" };
private static final String[] CN_MONETETARY_UNIT = { "分", "角", "元", "拾", "佰", "仟", "万", "拾", "佰", "仟", "亿", "拾","佰", "仟", "兆", "拾", "佰", "仟" };
private static final String CN_FULL = "整";
private static final String CN_NEGATIVE = "负";
private static final String CN_ZERO = "零角零分";
private static final long MAX_NUMBER = 10000000000000000l;// 最大16位整数
private static final String INVALID_AMOUNT = "金额超出最大金额千兆亿(16位整数)";
public static String formatToCN(double amount) {
if (Math.abs(amount) >= MAX_NUMBER)
return INVALID_AMOUNT;
StringBuilder result = new StringBuilder();
long value = Math.abs(Math.round(amount * 100));
int i = 0;
while (true) {
int temp = (int) (value % 10);
result.insert(0, CN_MONETETARY_UNIT[i]);
result.insert(0, CN_NUMBERS[temp]);
value = value / 10;
if (value < 1)
break;
i++;
}
// "零角零分" 转换成 "整"
int index = result.indexOf(CN_ZERO);
if (index > -1) {
result.replace(index, index + 4, CN_FULL);
}
// 负数
if (amount < 0) {
result.insert(0, CN_NEGATIVE);
}
return result.toString();
}
}
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