add test

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

@@ -7,6 +7,7 @@ import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.io.IORuntimeException;
 import cn.hutool.core.io.IoUtil;
 import cn.hutool.core.lang.Assert;
+import cn.hutool.core.lang.Console;
 import cn.hutool.core.map.MapUtil;
 import cn.hutool.core.map.SafeConcurrentHashMap;
 import cn.hutool.core.map.TableMap;
@@ -1022,6 +1023,7 @@ public class ExcelWriter extends ExcelBase<ExcelWriter> {
 		} else if (BeanUtil.isBean(rowBean.getClass())) {
 			if (MapUtil.isEmpty(this.headerAlias)) {
 				rowMap = BeanUtil.beanToMap(rowBean, new LinkedHashMap<>(), false, false);
+				Console.log(rowMap);
 			} else {
 				// 别名存在情况下按照别名的添加顺序排序Bean数据
 				rowMap = BeanUtil.beanToMap(rowBean, new TreeMap<>(getCachedAliasComparator()), false, false);

hutool-poi/src/test/java/cn/hutool/poi/excel/Issue2899Test.java

@@ -0,0 +1,40 @@
+package cn.hutool.poi.excel;
+
+import cn.hutool.core.annotation.Alias;
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.io.FileUtil;
+import lombok.Data;
+import org.junit.Ignore;
+import org.junit.Test;
+
+public class Issue2899Test {
+
+	@Test
+	@Ignore
+	public void aliasWriteTest() {
+		// Bean中设置@Alias时，setOnlyAlias是无效的，这个参数只和addHeaderAlias配合使用，原因是注解是Bean内部的操作，而addHeaderAlias是Writer的操作，不互通。
+		final TestBean testBean1 = new TestBean();
+		testBean1.setName("张三");
+		testBean1.setScore(12);
+
+		final TestBean testBean2 = new TestBean();
+		testBean2.setName("李四");
+		testBean2.setScore(23);
+
+		FileUtil.del("d:/test/aliasTest.xlsx");
+		final ExcelWriter writer = ExcelUtil.getWriter("d:/test/aliasTest.xlsx");
+
+		writer.addHeaderAlias("姓名", "姓名");
+		writer.setOnlyAlias(true);
+		writer.merge(2, "成绩单");
+		writer.write(CollUtil.newArrayList(testBean1, testBean2), true);
+		writer.close();
+	}
+
+	@Data
+	static class TestBean{
+		@Alias("姓名")
+		private String name;
+		private double score;
+	}
+}