jasperreport 导出excel的时候出现数据缺失，求大神指导

[KevinZc007]

如name=张三555，导出报表只显示 张三 后面555消失了
附上 xx.jrxml 文件
<?xml version="1.0" encoding="UTF-8"?>
<jasperReport xmlns="http://jasperreports.sourceforge.net/jasperreports" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports http://jasperreports.sourceforge.net/xsd/jasperreport.xsd" name="dayHistoryReport1" language="groovy" pageWidth="595" pageHeight="842" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" isIgnorePagination="true" >
<property name="ireport.zoom" value="1.4641000000000006"/>
<property name="ireport.x" value="81"/>
<property name="ireport.y" value="0"/>
<field name="name" class="java.lang.String"/>
<background>
<band splitType="Stretch"/>
</background>
<columnHeader>
<band height="30" splitType="Stretch">
<staticText>
<reportElement x="20" y="5" width="70" height="20" />
<textElement textAlignment="Center" verticalAlignment="Middle"/>
<text><![CDATA[姓名]]></text>
</staticText>
</band>
</columnHeader>
<detail>
<band height="26" splitType="Stretch">
<textField>
<reportElement x="20" y="3" width="70" height="20" />
<textElement textAlignment="Center" verticalAlignment="Middle"/>
<textFieldExpression><![CDATA[$F{name}]]></textFieldExpression>
</textField>
</band>
</detail>
<summary>
<band height="42" splitType="Stretch"/>
</summary>
</jasperReport>

相关设置文件：
public class JasperRunManagerExt {
public static void runReportToXlsFile(String jasperPath,
OutputStream oStream, JRDataSource dataSource) throws JRException {

JasperPrint print = JasperFillManager.fillReport(jasperPath,
new HashMap<String, Object>(), dataSource);
JRXlsExporter exporter = new JRXlsExporter();
exporter.setParameter(JRXlsExporterParameter.JASPER_PRINT, print);
exporter.setParameter(JRXlsExporterParameter.OUTPUT_STREAM, oStream);
exporter.setParameter(JRXlsExporterParameter.IS_ONE_PAGE_PER_SHEET, false);
exporter.setParameter(JRXlsExporterParameter.IS_REMOVE_EMPTY_SPACE_BETWEEN_COLUMNS, true);
exporter.setParameter(JRXlsExporterParameter.IS_REMOVE_EMPTY_SPACE_BETWEEN_ROWS, true);
exporter.setParameter(JRXlsExporterParameter.IS_WHITE_PAGE_BACKGROUND, false);
exporter.setParameter(JRXlsExporterParameter.IS_DETECT_CELL_TYPE, true);
exporter.setParameter(JRXlsExporterParameter.MAXIMUM_ROWS_PER_SHEET, Integer.MAX_VALUE);
exporter.exportReport();
}
}