修复读取的时候用string接收数字 可能四舍五入不一致的bug

pom.xml

@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.alibaba</groupId>
     <artifactId>easyexcel</artifactId>
-    <version>2.2.8</version>
+    <version>2.2.9</version>
     <packaging>jar</packaging>
     <name>easyexcel</name>
 

src/main/java/com/alibaba/excel/converters/string/StringNumberConverter.java

@@ -47,7 +47,7 @@ public class StringNumberConverter implements Converter<String> {
         }
         // Excel defines formatting
         if (cellData.getDataFormat() != null && !StringUtils.isEmpty(cellData.getDataFormatString())) {
-            return NumberDataFormatterUtils.format(cellData.getNumberValue().doubleValue(), cellData.getDataFormat(),
+            return NumberDataFormatterUtils.format(cellData.getNumberValue(), cellData.getDataFormat(),
                 cellData.getDataFormatString(), globalConfiguration);
         }
         // Default conversion number

src/main/java/com/alibaba/excel/metadata/format/DataFormatter.java

@@ -630,8 +630,8 @@ public class DataFormatter {
      * @param dataFormatString
      * @return a formatted number string
      */
-    private String getFormattedNumberString(Double data, Integer dataFormat, String dataFormatString) {
-        Format numberFormat = getFormat(data, dataFormat, dataFormatString);
+    private String getFormattedNumberString(BigDecimal data, Integer dataFormat, String dataFormatString) {
+        Format numberFormat = getFormat(data.doubleValue(), dataFormat, dataFormatString);
         String formatted = numberFormat.format(data);
         return formatted.replaceFirst("E(\\d)", "E+$1"); // to match Excel's E-notation
     }
@@ -644,9 +644,9 @@ public class DataFormatter {
      * @param dataFormatString
      * @return
      */
-    public String format(Double data, Integer dataFormat, String dataFormatString) {
+    public String format(BigDecimal data, Integer dataFormat, String dataFormatString) {
         if (DateUtils.isADateFormat(dataFormat, dataFormatString)) {
-            return getFormattedDateString(data, dataFormat, dataFormatString);
+            return getFormattedDateString(data.doubleValue(), dataFormat, dataFormatString);
         }
         return getFormattedNumberString(data, dataFormat, dataFormatString);
     }

src/main/java/com/alibaba/excel/util/NumberDataFormatterUtils.java

 package com.alibaba.excel.util;
 
+import java.math.BigDecimal;
+
 import com.alibaba.excel.metadata.format.DataFormatter;
 import com.alibaba.excel.metadata.GlobalConfiguration;
 
@@ -24,7 +26,7 @@ public class NumberDataFormatterUtils {
      * @param globalConfiguration
      * @return
      */
-    public static String format(Double data, Integer dataFormat, String dataFormatString,
+    public static String format(BigDecimal data, Integer dataFormat, String dataFormatString,
         GlobalConfiguration globalConfiguration) {
         DataFormatter dataFormatter = DATA_FORMATTER_THREAD_LOCAL.get();
         if (dataFormatter == null) {

src/test/java/com/alibaba/easyexcel/test/core/encrypt/EncryptDataTest.java

@@ -3,21 +3,23 @@ package com.alibaba.easyexcel.test.core.encrypt;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.text.DecimalFormat;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.junit.BeforeClass;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.runners.MethodSorters;
-
 import com.alibaba.easyexcel.test.core.simple.SimpleData;
 import com.alibaba.easyexcel.test.util.TestFileUtil;
 import com.alibaba.excel.EasyExcel;
 import com.alibaba.excel.support.ExcelTypeEnum;
 
+import org.junit.BeforeClass;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
 /**
- *
  * @author Jiaju Zhuang
  */
 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
@@ -28,6 +30,15 @@ public class EncryptDataTest {
     private static File file07OutputStream;
     private static File file03OutputStream;
 
+    @Test
+    public void testformat() {
+        DecimalFormat decimalFormat = new DecimalFormat("0.00");
+        decimalFormat.setRoundingMode(RoundingMode.HALF_UP);
+        BigDecimal bigDecimal = new BigDecimal("0.105");
+
+        System.out.println(decimalFormat.format(bigDecimal));
+    }
+
     @BeforeClass
     public static void init() {
         file07 = TestFileUtil.createNewFile("encrypt07.xlsx");

src/test/java/com/alibaba/easyexcel/test/temp/Lock2Test.java

@@ -34,7 +34,7 @@ public class Lock2Test {
     @Test
     public void test() throws Exception {
 //        File file = TestFileUtil.readUserHomeFile("test/test6.xls");
-        File file = new File("D:\\test\\T85_税金入库表202010.xlsx");
+        File file = new File("/Users/zhuangjiaju/Downloads/签到金模板-0507-v3.xlsx");
 
         List<Object> list = EasyExcel.read(file).sheet(0).headRowNumber(0).doReadSync();
         LOGGER.info("数据：{}", list.size());

update.md

+# 2.2.9
+* 修复读取的时候用string接收数字 可能四舍五入不一致的bug
+
 # 2.2.8
 * 兼容07在特殊的excel的情况下，读取数据异常