修改换行数据无法读取的bug

src/main/java/com/alibaba/excel/analysis/v07/SharedStringsTableHandler.java

@@ -16,11 +16,11 @@ public class SharedStringsTableHandler extends DefaultHandler {
     /**
      * The final piece of data
      */
-    private String currentData;
+    private StringBuilder currentData;
     /**
      * Current element data
      */
-    private String currentElementData;
+    private StringBuilder currentElementData;
 
     private ReadCache readCache;
 
@@ -40,20 +40,26 @@ public class SharedStringsTableHandler extends DefaultHandler {
     @Override
     public void endElement(String uri, String localName, String name) {
         if (T_TAG.equals(name)) {
-            if (currentData == null) {
-                currentData = currentElementData;
-            } else {
             if (currentElementData != null) {
-                    currentData += currentElementData;
+                if (currentData == null) {
+                    currentData = new StringBuilder();
                 }
+                currentData.append(currentElementData);
             }
         } else if (SI_TAG.equals(name)) {
-            readCache.put(currentData);
+            if (currentData == null) {
+                readCache.put(null);
+            } else {
+                readCache.put(currentData.toString());
+            }
         }
     }
 
     @Override
     public void characters(char[] ch, int start, int length) {
-        currentElementData = new String(ch, start, length);
+        if (currentElementData == null) {
+            currentElementData = new StringBuilder();
+        }
+        currentElementData.append(new String(ch, start, length));
     }
 }

src/main/java/com/alibaba/excel/metadata/property/ExcelHeadProperty.java

@@ -137,8 +137,8 @@ public class ExcelHeadProperty {
                 continue;
             }
             if (customFiledMap.containsKey(excelProperty.index())) {
-                throw new ExcelGenerateException("The index of " + customFiledMap.get(excelProperty.index()).getName()
+                throw new ExcelGenerateException("The index of '" + customFiledMap.get(excelProperty.index()).getName()
-                    + " and " + field.getName() + " must be inconsistent");
+                    + "' and '" + field.getName() + "' must be inconsistent");
             }
             customFiledMap.put(excelProperty.index(), field);
         }

src/test/java/com/alibaba/easyexcel/test/temp/simple/HgTest.java

@@ -0,0 +1,42 @@
+package com.alibaba.easyexcel.test.temp.simple;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.poi.xssf.streaming.SXSSFRow;
+import org.apache.poi.xssf.streaming.SXSSFSheet;
+import org.apache.poi.xssf.streaming.SXSSFWorkbook;
+import org.apache.poi.xssf.usermodel.XSSFRow;
+import org.apache.poi.xssf.usermodel.XSSFSheet;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.alibaba.easyexcel.test.temp.poi.PoiTest;
+import com.alibaba.easyexcel.test.util.TestFileUtil;
+import com.alibaba.excel.EasyExcel;
+import com.alibaba.fastjson.JSON;
+
+/**
+ * 测试poi
+ *
+ * @author Jiaju Zhuang
+ **/
+@Ignore
+public class HgTest {
+    private static final Logger LOGGER = LoggerFactory.getLogger(HgTest.class);
+
+    @Test
+    public void hh() throws IOException {
+        List<Object> list =
+            EasyExcel.read(new FileInputStream("D:\\test\\hg2.xlsx")).sheet().headRowNumber(0).doReadSync();
+        for (Object data : list) {
+            LOGGER.info("返回数据：{}", JSON.toJSONString(data));
+        }
+    }
+
+}

update.md

@@ -1,6 +1,7 @@
 # 2.0.0-beta2
 * 加速gc回收 [Issue #511](https://github.com/alibaba/easyexcel/issues/511)
 * 修改空字符串读取可能读取上个字段的数据的bug
+* 修改换行数据无法读取的bug
 
 # 2.0.0-beta1
 * 优化读写逻辑