add test

hutool-poi/src/test/java/cn/hutool/poi/excel/IssueI53OSTTest.java

@@ -0,0 +1,35 @@
+package cn.hutool.poi.excel;
+
+import cn.hutool.core.lang.Console;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Sax方式读取合并单元格，只有第一个单元格有值，其余为null
+ */
+public class IssueI53OSTTest {
+
+	@Test
+	@Ignore
+	public void readTest(){
+		Map<String, Object> result = new HashMap<>();
+		List<Object> header = new ArrayList<>();
+
+		ExcelUtil.readBySax("d:/test/sax_merge.xlsx", -1, (sheetIndex, rowIndex, rowCells) -> {
+			if(rowIndex == 0){
+				header.addAll(rowCells);
+				return;
+			}
+			for (int i = 0; i < rowCells.size(); i++) {
+				result.put((String) header.get(i), rowCells.get(i));
+			}
+			Console.log(result);
+			result.clear();
+		});
+	}
+}