add test

hutool-poi/src/main/java/cn/hutool/poi/excel/ExcelWriter.java

@@ -1031,7 +1031,7 @@ public class ExcelWriter extends ExcelBase<ExcelWriter> {
 		} else if (rowBean instanceof Hyperlink) {
 			// Hyperlink当成一个值
 			return writeRow(CollUtil.newArrayList(rowBean), isWriteKeyAsHead);
-		} else if (BeanUtil.isBean(rowBean.getClass())) {
+		} else if (BeanUtil.isReadableBean(rowBean.getClass())) {
 			if (MapUtil.isEmpty(this.headerAlias)) {
 				rowMap = BeanUtil.beanToMap(rowBean, new LinkedHashMap<>(), false, false);
 			} else {

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

@@ -0,0 +1,29 @@
+package cn.hutool.poi.excel;
+
+import lombok.Getter;
+import org.junit.Ignore;
+import org.junit.Test;
+
+public class ExcelWriteBeanTest {
+
+	@Test
+	@Ignore
+	public void writeRowTest() {
+		MyBean bean = new MyBean("value1", "value2");
+
+		final ExcelWriter writer = ExcelUtil.getWriter("d:/test/writeRowTest.xlsx");
+		writer.writeRow(bean, true);
+		writer.close();
+	}
+
+	@Getter
+	static class MyBean {
+		private final String property1;
+		private final String property2;
+
+		public MyBean(String property1, String property2) {
+			this.property1 = property1;
+			this.property2 = property2;
+		}
+	}
+}