excel xlsx后缀的生成对象判断

gic-enterprise-download/src/main/java/com/gic/download/utils/DownloadUtils.java

@@ -22,6 +22,7 @@ import org.apache.logging.log4j.Logger;
 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
 import org.apache.poi.ss.usermodel.Sheet;
 import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 
 public class DownloadUtils {
     private static final Logger LOGGER = LogManager.getLogger(DownloadUtils.class);
@@ -122,7 +123,12 @@ public class DownloadUtils {
             String extension = ExcelExtensionEnum.getExtensionByCode(excelExtensionCode);
             // 如果是excel的后缀
             if (ExcelExtensionEnum.EXCEL_2003.getExtension().equalsIgnoreCase(extension) || ExcelExtensionEnum.EXCEL_2007.getExtension().equalsIgnoreCase(extension)) {
-                Workbook workbook = new HSSFWorkbook();
+                Workbook workbook;
+                if (ExcelExtensionEnum.EXCEL_2003.getExtension().equalsIgnoreCase(extension)) {
+                    workbook = new HSSFWorkbook();
+                } else {
+                    workbook = new XSSFWorkbook();
+                }
                 Sheet sheet = workbook.createSheet("sheet1");
                 final List<Collection<String>> rows = new ArrayList<>();
                 writer = new Writer() {