修改excel解析，兼容公式类型

src/main/java/com/shkpr/service/alambizplugin/commtools/ExcelUtils.java

@@ -438,13 +438,21 @@ public class ExcelUtils {
                 case BOOLEAN:
                     value = String.valueOf(cell.getBooleanCellValue());
                     break;
-                case FORMULA:
-                    value = String.valueOf(cell.getNumericCellValue());
-                    break;
+                case FORMULA: {
+                    //根据结果类型设置值
+                    CellType cellType = cell.getCachedFormulaResultTypeEnum();
+                    if (cellType == CellType.NUMERIC) value = String.valueOf(cell.getNumericCellValue());
+                    else if (cellType == CellType.STRING) value = cell.getRichStringCellValue().toString();
+                    else value = cell.getCellFormula();
+                }
+                break;
                 default:
                     break;
             }
-        } catch (Exception ignored) {
+        } catch (Exception e) {
+            LogPrintMgr.getInstance().printLogMsg(LogLevelFlag.LOG_ERROR, mBizType, mStrClassName
+                    , String.format("excel单元格解释失败 error:%s", e)
+            );
         }
         return value == null ? "" : value.trim();
     }