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Calculator兼容x字符作为乘号（issue#3787@Github）

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Looly
2024-11-15 11:29:51 +08:00
parent 4a860c77ff
commit 62d31e4656
3 changed files with 18 additions and 2 deletions
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4
hutool-core/src/main/java/cn/hutool/core/math/Calculator.java
View File

@@ -1,5 +1,6 @@
package cn.hutool.core.math;
import cn.hutool.core.util.CharUtil;
import cn.hutool.core.util.NumberUtil;
import cn.hutool.core.util.StrUtil;
@@ -192,6 +193,9 @@ public class Calculator {
arr[i] = '~';
}
}
} else if(CharUtil.equals(arr[i], 'x', true)){
// issue#3787 x转换为*
arr[i] = '*';
}
}
if (arr[0] == '~' && (arr.length > 1 && arr[1] == '(')) {

13
hutool-core/src/test/java/cn/hutool/core/math/CalculatorTest.java
View File

@@ -1,8 +1,9 @@
package cn.hutool.core.math;
import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class CalculatorTest {
@Test
@@ -55,4 +56,14 @@ public class CalculatorTest {
final double calcValue = Calculator.conversion("(11+2)12");
assertEquals(156D, calcValue, 0.001);
}
@Test
void issue3787Test() {
final Calculator calculator1 = new Calculator();
double result = calculator1.calculate("0+50/100x(1/0.5)");
assertEquals(1D, result);
result = calculator1.calculate("0+50/100X(1/0.5)");
assertEquals(1D, result);
}
}