add test

hutool-poi/src/test/java/cn/hutool/poi/excel/Issue2706Test.java

@@ -0,0 +1,35 @@
+package cn.hutool.poi.excel;
+
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+public class Issue2706Test {
+
+	@Test
+	@Ignore
+	public void writeTest() {
+		String path = "d:/test/issue2706.xlsx";
+		BigExcelWriter writer = ExcelUtil.getBigWriter(path, "表格名称");
+
+		Set<String> headSet1 = new HashSet<>(Arrays.asList("A", "B", "C", "D", "E"));
+
+		List<Map<String, String>> datas = new ArrayList<>();
+		for (int i = 0; i < 10; i++) {
+			Map<String, String> map = new HashMap<>();
+			for (String s : headSet1) {
+				map.put(s, "h" + i);
+			}
+			datas.add(map);
+		}
+		writer.write(datas);
+		writer.close();
+	}
+}