优化代码

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

@@ -374,7 +374,11 @@ public class ExcelUtil<T>
             Map<String, Integer> cellMap = new HashMap<String, Integer>();
             // 获取表头
             Row heard = sheet.getRow(titleNum);
-            for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++)
+            if (heard == null)
+            {
+                throw new UtilException("文件标题行为空，请检查Excel文件格式");
+            }
+            for (int i = 0; i < heard.getLastCellNum(); i++)
             {
                 Cell cell = heard.getCell(i);
                 if (StringUtils.isNotNull(cell))
@@ -382,10 +386,6 @@ public class ExcelUtil<T>
                     String value = this.getCellValue(heard, i).toString();
                     cellMap.put(value, i);
                 }
-                else
-                {
-                    cellMap.put(null, i);
-                }
             }
             // 有数据时才处理 得到类的所有field.
             List<Object[]> fields = this.getFields();
@@ -710,7 +710,7 @@ public class ExcelUtil<T>
             }
             if (Type.EXPORT.equals(type))
             {
-                fillExcelData(index, row);
+                fillExcelData(index);
                 addStatisticsRow();
             }
         }
@@ -723,7 +723,7 @@ public class ExcelUtil<T>
      * @param row 单元格行
      */
     @SuppressWarnings("unchecked")
-    public void fillExcelData(int index, Row row)
+    public void fillExcelData(int index)
     {
         int startNo = index * sheetSize;
         int endNo = Math.min(startNo + sheetSize, list.size());
@@ -731,7 +731,7 @@ public class ExcelUtil<T>
 
         for (int i = startNo; i < endNo; i++)
         {
-            row = sheet.createRow(currentRowNum);
+            Row row = sheet.createRow(currentRowNum);
             T vo = (T) list.get(i);
             int column = 0;
             int maxSubListSize = getCurrentMaxSubListSize(vo);