From 13956040933ffda6aa9e0415097881327a9379f8 Mon Sep 17 00:00:00 2001
From: Jiaju Zhuang <zhuangjiaju@qq.com>
Date: Fri, 30 Aug 2019 13:38:16 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E7=A9=BA=E5=AD=97=E7=AC=A6?=
 =?UTF-8?q?=E4=B8=B2=E8=AF=BB=E5=8F=96=E5=8F=AF=E8=83=BD=E8=AF=BB=E5=8F=96?=
 =?UTF-8?q?=E4=B8=8A=E4=B8=AA=E5=AD=97=E6=AE=B5=E7=9A=84=E6=95=B0=E6=8D=AE?=
 =?UTF-8?q?=E7=9A=84bug?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 .../excel/analysis/v03/XlsSaxAnalyser.java    |  1 +
 .../v07/handlers/DefaultCellHandler.java      |  2 ++
 .../com/alibaba/excel/metadata/CellData.java  | 25 +++++++++++++++++++
 3 files changed, 28 insertions(+)

diff --git a/src/main/java/com/alibaba/excel/analysis/v03/XlsSaxAnalyser.java b/src/main/java/com/alibaba/excel/analysis/v03/XlsSaxAnalyser.java
index 2b67b43..a5072a1 100644
--- a/src/main/java/com/alibaba/excel/analysis/v03/XlsSaxAnalyser.java
+++ b/src/main/java/com/alibaba/excel/analysis/v03/XlsSaxAnalyser.java
@@ -131,6 +131,7 @@ public class XlsSaxAnalyser implements HSSFListener, ExcelExecutor {
                 thisColumn = handler.getColumn();
                 cellData = handler.getCellData();
                 if (cellData != null) {
+                    cellData.checkEmpty();
                     records.put(thisColumn, cellData);
                 }
                 break;
diff --git a/src/main/java/com/alibaba/excel/analysis/v07/handlers/DefaultCellHandler.java b/src/main/java/com/alibaba/excel/analysis/v07/handlers/DefaultCellHandler.java
index 671693b..0ee8ab3 100644
--- a/src/main/java/com/alibaba/excel/analysis/v07/handlers/DefaultCellHandler.java
+++ b/src/main/java/com/alibaba/excel/analysis/v07/handlers/DefaultCellHandler.java
@@ -120,6 +120,7 @@ public class DefaultCellHandler implements XlsxCellHandler, XlsxRowResultHolder
             } else if (currentCellData.getType() == CellDataTypeEnum.DIRECT_STRING) {
                 currentCellData.setType(CellDataTypeEnum.STRING);
             }
+            currentCellData.checkEmpty();
             curRowContent.put(curCol, currentCellData);
         }
         // This is a special form of string
@@ -130,6 +131,7 @@ public class DefaultCellHandler implements XlsxCellHandler, XlsxRowResultHolder
                 stringValue = stringValue.trim();
             }
             currentCellData.setStringValue(stringValue);
+            currentCellData.checkEmpty();
             curRowContent.put(curCol, currentCellData);
         }
     }
diff --git a/src/main/java/com/alibaba/excel/metadata/CellData.java b/src/main/java/com/alibaba/excel/metadata/CellData.java
index db73ce8..adfb091 100644
--- a/src/main/java/com/alibaba/excel/metadata/CellData.java
+++ b/src/main/java/com/alibaba/excel/metadata/CellData.java
@@ -168,6 +168,31 @@ public class CellData {
         this.dataFormatString = dataFormatString;
     }
 
+    /**
+     * Ensure that the object does not appear null
+     */
+    public void checkEmpty() {
+        switch (type) {
+            case STRING:
+            case ERROR:
+                if (stringValue == null) {
+                    type = CellDataTypeEnum.EMPTY;
+                }
+                return;
+            case NUMBER:
+                if (doubleValue == null) {
+                    type = CellDataTypeEnum.EMPTY;
+                }
+                return;
+            case BOOLEAN:
+                if (booleanValue == null) {
+                    type = CellDataTypeEnum.EMPTY;
+                }
+                return;
+            default:
+        }
+    }
+
     @Override
     public String toString() {
         switch (type) {