public class MvelTest {
@Test
public void testNullDivision() {
String expression = "2 / null";
Serializable compiledExpression = MVEL.compileExpression(expression, new ParserContext());
Object value = MVEL.executeExpression(compiledExpression);
System.out.print(value); // false!
}
}
除以 null 在 MVEL 中返回 false。但为什么?mvel2-2.1.3.Final