修改逻辑写法

@@ -22,6 +22,9 @@ import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
 
+import static org.apache.poi.ss.usermodel.CellType.BLANK;
+import static org.apache.poi.ss.usermodel.CellType.STRING;
+
 /**
  * shenhailong
  * 2020/4/27/14:29
@@ -147,7 +150,7 @@ public class ExcelUtils {
                         } else {
                            // System.out.println(hssfCell.getCellType());
 
-                            if(0==hssfCell.getCellType()){
+                            if(BLANK==hssfCell.getCellType()){
                                 if(DateUtil.isCellDateFormatted(hssfCell)){
                                     //用于转化为日期格式
                                     Date d = hssfCell.getDateCellValue();
@@ -155,7 +158,7 @@ public class ExcelUtils {
                                     rowList.add(formater.format(d));
                                 }
                             }
-                            hssfCell.setCellType(Cell.CELL_TYPE_STRING);
+                            hssfCell.setCellType(STRING);
                             rowList.add(String.valueOf(hssfCell.getStringCellValue()));
                         }
                     }