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提交NumberChineseFormatter.formatSimple，用于将阿拉伯数字（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

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This commit is contained in:
VampireAchao 2022-02-10 21:09:26 +08:00
parent 7116177225
commit b5dfc8b639
2 changed files with 42 additions and 0 deletions
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22
hutool-core/src/main/java/cn/hutool/core/convert/NumberChineseFormatter.java
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@ -2,6 +2,7 @@ package cn.hutool.core.convert;
import cn.hutool.core.lang.Assert; import cn.hutool.core.lang.Assert;
import cn.hutool.core.util.ArrayUtil; import cn.hutool.core.util.ArrayUtil;
import cn.hutool.core.util.NumberUtil;
import cn.hutool.core.util.StrUtil; import cn.hutool.core.util.StrUtil;
/** /**
@ -153,6 +154,27 @@ public class NumberChineseFormatter {
return chineseStr.toString(); 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<br> * 格式化-999~999之间的数字<br>
* 这个方法显示10~19以下的数字时使用"十一"而非"一十一"。 * 这个方法显示10~19以下的数字时使用"十一"而非"一十一"。

20
hutool-core/src/test/java/cn/hutool/core/convert/NumberChineseFormatterTest.java
View File

@ -175,6 +175,26 @@ public class NumberChineseFormatterTest {
Assert.assertEquals("零点零伍", f1); 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 @Test
public void digitToChineseTest() { public void digitToChineseTest() {
String digitToChinese = Convert.digitToChinese(12_4124_1241_2421.12); String digitToChinese = Convert.digitToChinese(12_4124_1241_2421.12);