fix 导出excel

zhongzheng-common/src/main/java/com/zhongzheng/common/utils/poi/ExcelUtil.java

@@ -349,8 +349,8 @@ public class ExcelUtil<T>
    //     Workbook workbook = null;
         try
         {
-            Workbook workbook = ExcelExportUtil.exportExcel(sheetsList, ExcelType.XSSF);
-            String filename = encodingFilename(sheetName);
+            Workbook workbook = ExcelExportUtil.exportExcel(sheetsList, ExcelType.HSSF);
+            String filename = encodingXLSFilename(sheetName);
             out = new FileOutputStream(getAbsoluteFile(filename));
             workbook.write(out);
             return AjaxResult.success(filename);
@@ -930,6 +930,12 @@ public class ExcelUtil<T>
     /**
      * 编码文件名
      */
+    public String encodingXLSFilename(String filename)
+    {
+        filename = UUID.randomUUID().toString() + "_" + filename + ".xls";
+        return filename;
+    }
+
     public String encodingFilename(String filename)
     {
         filename = UUID.randomUUID().toString() + "_" + filename + ".xlsx";