diff --git a/java/ExcelUtil.java b/java/ExcelUtil.java
new file mode 100644
index 0000000000000000000000000000000000000000..aeb7a34eb6acefdaf9fbf01b3690cd3e37c6d88a
--- /dev/null
+++ b/java/ExcelUtil.java
@@ -0,0 +1,57 @@
+/**
+     * 锁表 
+     * @param workbook 
+     * @param sheetIndex 
+     * @param plusClass 
+     * @throws Exception 
+     */
+    public static void lockSheet(Workbook workbook, int sheetIndex, Class<? extends ExcelPlus> plusClass,String password) throws Exception {
+
+        // final short STRING_FORMAT = (short) BuiltinFormats.getBuiltinFormat("TEXT");
+        // final Sheet sheet0 = workbook.getSheetAt(sheetIndex);
+        // sheet0.protectSheet(password);
+        // final CellStyle lockCellStyle = workbook.createCellStyle();
+        // lockCellStyle.setAlignment(HorizontalAlignment.CENTER);
+        // lockCellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
+        // lockCellStyle.setDataFormat(STRING_FORMAT);
+        // lockCellStyle.setLocked(true);
+        // final CellStyle unlockCellStyle = workbook.createCellStyle();
+        // unlockCellStyle.setAlignment(HorizontalAlignment.CENTER);
+        // unlockCellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
+        // unlockCellStyle.setDataFormat(STRING_FORMAT);
+        // unlockCellStyle.setLocked(false);
+
+
+        // final Field[] fields = plusClass.getDeclaredFields();
+        // ExportParams entity = new ExportParams();
+        // List<PlusExcelExportEntity> excelParams = new ArrayList<PlusExcelExportEntity>();
+        // PlusExportCommonService plusExportCommonService = new PlusExportCommonService();
+        // ExcelTarget etarget = plusClass.getAnnotation(ExcelTarget.class);
+        // String targetId = etarget == null ? null : etarget.value();
+        // plusExportCommonService.getAllExcelFieldPlus(entity.getExclusions(), targetId, fields, excelParams, plusClass,
+        //         null, null);
+        // //排序
+        // plusExportCommonService.sortAllParamsPlus(excelParams);
+        // final int lastRowNum = sheet0.getLastRowNum()+1;
+        // final ExcelPlus excelPlus = plusClass.newInstance();
+        // final int dataStartRowIndex = (Integer)plusClass.getMethod("dataStartRowIndex").invoke(excelPlus);
+        // for (int i = 0; i < excelParams.size(); i++) {
+
+        //     if(excelParams.get(i).isLock()){
+
+        //         for (int i1 = dataStartRowIndex; i1 < lastRowNum; i1++) {
+                    // final CellStyle cellStyle = sheet0.getRow(i1).getCell(i).getCellStyle();
+                    // cellStyle.setLocked(true);
+                    
+                    //坑爹的api，得到原本的cellStyle直接setLocked无效，必须得重新setCellStyle
+                    sheet0.getRow(i1).getCell(i).setCellStyle(lockCellStyle);
+        //         }
+        //     }else{
+        //         for (int i1 = dataStartRowIndex; i1 < lastRowNum; i1++) {
+                    //final CellStyle cellStyle = sheet0.getRow(i1).getCell(i).getCellStyle();
+                    // cellStyle.setLocked(false);
+                    sheet0.getRow(i1).getCell(i).setCellStyle(unlockCellStyle);
+        //         }
+        //     }
+        // }
+    }
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