add method

hutool-poi/src/test/java/cn/hutool/poi/excel/Issue2221Test.java

@@ -0,0 +1,28 @@
+package cn.hutool.poi.excel;
+
+import cn.hutool.core.collection.ListUtil;
+import cn.hutool.core.map.MapUtil;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.util.List;
+import java.util.Map;
+
+public class Issue2221Test {
+
+	@Test
+	@Ignore
+	public void writeDuplicateHeaderAliasTest(){
+		final ExcelWriter writer = ExcelUtil.getWriter();
+		// 设置别名
+		writer.addHeaderAlias("androidLc", "安卓");
+		writer.addHeaderAlias("androidAc", "安卓");
+		writer.setOnlyAlias(true);
+
+		// 写入数据
+		List<Map<Object, Object>> data = ListUtil.of(
+				MapUtil.ofEntries(MapUtil.entry("androidLc", "1次"), MapUtil.entry("androidAc", "3人")),
+				MapUtil.ofEntries(MapUtil.entry("androidLc", "1次"), MapUtil.entry("androidAc", "3人"))
+		);
+	}
+}