利用spring batch 读取数据库中的数据写入到txt文件中

写一个job，其配置文件为:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:batch="http://www.springframework.org/schema/batch"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
        http://www.springframework.org/schema/batch
        http://www.springframework.org/schema/batch/spring-batch-3.0.xsd"
    default-lazy-init="true">
    <!-- 将数据库中数据查询出来入到txt文件中 -->
    <batch:job id="batchCreateReconFileJob" job-repository="jobRepository">
        <!-- 从channel ftp获取对账文件到本地临时目录以供读取解析入库   -->
        <batch:step id="batchCreateReconFile0">
            <batch:tasklet>
                <batch:chunk reader="batchCreateReconFileReader" processor="batchCreateReconFileProcessor"
                             writer="batchCreateReconFileWriter" commit-interval="1000"/>
            </batch:tasklet>
        </batch:step>
    </batch:job>

    <bean id="batchCreateReconFileReader" parent="abstractCursorReader" scope="step">
        <property name="dataSource" ref="dataSource" />
        <property name="sql">
            <value>
                <![CDATA[
                SELECT
                    qp.pay_no AS payNo,
                    qp.channel_pay_no AS channelPayNo,
                    qp.bank_pay_no AS bankPayNo,
                    sign_no AS signNo
                FROM channel_qptrade qp WHERE create_time >= '#{jobParameters['startDate']}' and create_time<'#{jobParameters['endDate']}'
                
                ]]>
            </value>
        </property>
        <property name="rowMapper">
            <bean class="org.springframework.jdbc.core.BeanPropertyRowMapper">
                <property name="mappedClass" value="com.ninefbank.smallpay.clear.vo.ChannelQptradeVO"/>
            </bean>
        </property>
    </bean>


     <bean id="batchCreateReconFileWriter" class="org.springframework.batch.item.file.FlatFileItemWriter" scope="step">  
        <property name="resource" value="file:#{jobParameters['outputFilePath']}"></property>  
        <property name="lineAggregator">  
            <bean class="org.springframework.batch.item.file.transform.FormatterLineAggregator">  
                <property name="fieldExtractor">  
                    <bean class="org.springframework.batch.item.file.transform.BeanWrapperFieldExtractor">  
                        <property name="names" value="payNo,channelPayNo,bankPayNo,signNo"></property>  
                    </bean>  
                </property>  
                <property name="format" value="%s,%s,%s,%s"></property>  
            </bean>  
        </property>  
    </bean>  
      
</beans>

job-batch-create-recon-file.xml