Java 如何在SpringBatch中从多个XML文件中提取数据并将其放在一个XML文件中?
我已经生成了与xml文件对应的java类(通过jaxb工具) 然后我编写了配置文件,如下所示:Java 如何在SpringBatch中从多个XML文件中提取数据并将其放在一个XML文件中?,java,xml,spring-batch,Java,Xml,Spring Batch,我已经生成了与xml文件对应的java类(通过jaxb工具) 然后我编写了配置文件,如下所示: <batch:job id="bghJob" parent="simpleJob"> <batch:step id="step1"> <batch:tasklet> <batch:chunk reader="multiResourceReader" writer="xmlItemWriter"
<batch:job id="bghJob" parent="simpleJob">
<batch:step id="step1">
<batch:tasklet>
<batch:chunk reader="multiResourceReader" writer="xmlItemWriter"
commit-interval="1" />
</batch:tasklet>
</batch:step>
</batch:job>
<!-- MULTI Reader -->
<bean id="multiResourceReader"
class=" org.springframework.batch.item.file.MultiResourceItemReader">
<property name="resources" value="classpath:xmls/*.xml" />
<property name="delegate" ref="xmlItemReader" />
</bean>
<!-- Reader -->
<bean id="xmlItemReader" class="org.springframework.batch.item.xml.StaxEventItemReader">
<property name="fragmentRootElementName" value="T_Document" />
<property name="unmarshaller" ref="invoiceUnMarshaller" />
</bean>
<!-- Unmarshaller -->
<bean id="invoiceUnMarshaller" class="org.springframework.oxm.jaxb.Jaxb2Marshaller">
<property name="contextPath" value="com.xxx.model.inputJaxB" />
</bean>
<!-- Writer -->
<bean id="xmlItemWriter" class="org.springframework.batch.item.xml.StaxEventItemWriter">
<property name="resource" value="file:xml/outputs/Facture.xml" />
<property name="marshaller" ref="invoiceMarshaller" />
<property name="rootTagName" value="Facture" />
</bean>
<!-- Marshaller -->
<bean id="invoiceMarshaller" class="org.springframework.oxm.jaxb.Jaxb2Marshaller">
<property name="classesToBeBound">
<list>
<value>com.xxx.model.output.Facture</value>
</list>
</property>
</bean>
}
我的问题是创建的xml输出文件几乎为空。这是:
<?xml version="1.0" encoding="UTF-8"?>
<Facture></Facture>
@XmlAccessorType(XmlAccessType.FIELD)
公共级制作{
@XmlAttribute(name = "Sender", required = true)
private String sender;
@XmlAttribute(name = "Id", required = true)
private String id;
@XmlAttribute(name = "BAId", required = true)
private String baId;
public String getSender() {
return sender;
}
public void setSender(String value) {
this.sender = value;
}
public String getId() {
return id;
}
public void setId(String value) {
this.id = value;
}
public String getBAId() {
return baId;
}
public void setBAId(String value) {
this.baId = value;
}
}您确定classpath:xmls/*.xml返回的文件列表不是空的吗?是的,我确定。有7个xml文件there@LucaBassoRicci还有别的想法吗?没有,对不起。此时,尝试将SB的日志级别设置为DEBUG和watch@LucaBassoRicci我认为它可能是用于输出的java类。。也许有什么不对劲。。。
@XmlRootElement(name = "T_Document")
@XmlAttribute(name = "Sender", required = true)
private String sender;
@XmlAttribute(name = "Id", required = true)
private String id;
@XmlAttribute(name = "BAId", required = true)
private String baId;
public String getSender() {
return sender;
}
public void setSender(String value) {
this.sender = value;
}
public String getId() {
return id;
}
public void setId(String value) {
this.id = value;
}
public String getBAId() {
return baId;
}
public void setBAId(String value) {
this.baId = value;
}