你应该将报告的属性打印订单（ printOrder ）值设置为 水平 ，并将报告的属性设置为列（ columnCount ）值为 2 。

You should set report's property Print order (printOrder) value as Horizontal and the report's property Columns (columnCount) value as 2.

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="report39" language="groovy" columnCount="2" printOrder="Horizontal" pageWidth="595" pageHeight="842" columnWidth="277" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" uuid="8ea55a1a-7e67-4906-b7be-7314b7bfa03d">
    <queryString>
        <![CDATA[SELECT id, name FROM PRODUCT]]>
    </queryString>
    <field name="ID" class="java.lang.Integer"/>
    <field name="NAME" class="java.lang.String"/>
    <detail>
        <band height="61" splitType="Stretch">
            <textField>
                <reportElement uuid="ea1c8668-6d75-42da-9293-6cfd81297c03" x="0" y="0" width="24" height="61"/>
                <textElement/>
                <textFieldExpression><![CDATA[$F{ID}]]></textFieldExpression>
            </textField>
            <textField>
                <reportElement uuid="652cf497-5bc2-4b62-b47a-23ec135cbfdf" x="24" y="0" width="176" height="61"/>
                <textElement/>
                <textFieldExpression><![CDATA[$F{NAME}]]></textFieldExpression>
            </textField>
        </band>
    </detail>
</jasperReport>

报告的设计（在 iReport 中）：

结果将是（通过 iReport 预览）：

The result will be (via preview in iReport):