Merge pull request #2234 from goldpumpkin/v5-dev

读取 excel 抛 NPE 错误

hutool-poi/src/test/java/cn/hutool/poi/excel/ExcelReadTest.java

@@ -244,4 +244,11 @@ public class ExcelReadTest {
 		Assert.assertEquals("李四", objects.get(1));
 		Assert.assertEquals("", objects.get(2));
 	}
+
+	@Test(expected = NullPointerException.class)
+	@Ignore
+	public void readColumnNPETest() {
+		ExcelReader reader = ExcelUtil.getReader(ResourceUtil.getStream("read_row_npe.xlsx"));
+		reader.readColumn(0, 1);
+	}
 }