diff --git a/hutool-core/src/main/java/cn/hutool/core/convert/NumberChineseFormatter.java b/hutool-core/src/main/java/cn/hutool/core/convert/NumberChineseFormatter.java index 29c2405e1..d6da1d22b 100644 --- a/hutool-core/src/main/java/cn/hutool/core/convert/NumberChineseFormatter.java +++ b/hutool-core/src/main/java/cn/hutool/core/convert/NumberChineseFormatter.java @@ -2,6 +2,7 @@ package cn.hutool.core.convert; import cn.hutool.core.lang.Assert; import cn.hutool.core.util.ArrayUtil; +import cn.hutool.core.util.NumberUtil; import cn.hutool.core.util.StrUtil; /** @@ -153,6 +154,27 @@ public class NumberChineseFormatter { return chineseStr.toString(); } + /** + * 阿拉伯数字(支持正负整数)四舍五入后转换成中文节权位简洁计数单位,例如 -5_5555 =》 -5.56万 + * + * @param amount 数字 + * @return 中文 + */ + public static String formatSimple(long amount) { + if (amount < 1_0000 && amount > -1_0000) { + return String.valueOf(amount); + } + String res; + if (amount < 1_0000_0000 && amount > -1_0000_0000) { + res = NumberUtil.div(amount, 1_0000, 2) + "万"; + } else if (amount < 1_0000_0000_0000L && amount > -1_0000_0000_0000L) { + res = NumberUtil.div(amount, 1_0000_0000, 2) + "亿"; + } else { + res = NumberUtil.div(amount, 1_0000_0000_0000L, 2) + "万亿"; + } + return res; + } + /** * 格式化-999~999之间的数字
* 这个方法显示10~19以下的数字时使用"十一"而非"一十一"。 diff --git a/hutool-core/src/test/java/cn/hutool/core/convert/NumberChineseFormatterTest.java b/hutool-core/src/test/java/cn/hutool/core/convert/NumberChineseFormatterTest.java index f9bec8251..5dc83a714 100644 --- a/hutool-core/src/test/java/cn/hutool/core/convert/NumberChineseFormatterTest.java +++ b/hutool-core/src/test/java/cn/hutool/core/convert/NumberChineseFormatterTest.java @@ -175,6 +175,26 @@ public class NumberChineseFormatterTest { Assert.assertEquals("零点零伍", f1); } + @Test + public void formatSimpleTest() { + String f1 = NumberChineseFormatter.formatSimple(1_2345); + Assert.assertEquals("1.23万", f1); + f1 = NumberChineseFormatter.formatSimple(-5_5555); + Assert.assertEquals("-5.56万", f1); + f1 = NumberChineseFormatter.formatSimple(1_2345_6789); + Assert.assertEquals("1.23亿", f1); + f1 = NumberChineseFormatter.formatSimple(-5_5555_5555); + Assert.assertEquals("-5.56亿", f1); + f1 = NumberChineseFormatter.formatSimple(1_2345_6789_1011L); + Assert.assertEquals("1.23万亿", f1); + f1 = NumberChineseFormatter.formatSimple(-5_5555_5555_5555L); + Assert.assertEquals("-5.56万亿", f1); + f1 = NumberChineseFormatter.formatSimple(123); + Assert.assertEquals("123", f1); + f1 = NumberChineseFormatter.formatSimple(-123); + Assert.assertEquals("-123", f1); + } + @Test public void digitToChineseTest() { String digitToChinese = Convert.digitToChinese(12_4124_1241_2421.12);