1
作爲Spring Batch的新手，我想從簡單的事情開始....讀取一個csv文件並將相同的對象（記錄）寫入另一個對象。簡單，不是嗎？但我無法找到工作示例。經過一段時間的研究，我發現了一些幾乎可行的東西....我想寫的文件是空的。是因爲我使用了ressourcelesstransactionmanager嗎？我是否需要在某處聲明一些可選屬性以刷新硬盤驅動器上的內容？順便說一下，我發現這個主題的文檔非常簡單和混亂，適合初學者。也許這是因爲你必須獲得春季批次... 這是邪惡但非常簡單的代碼，這讓我瘋狂。 TIA。文件歸檔基礎知識
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:batch="http://www.springframework.org/schema/batch"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/batch
http://www.springframework.org/schema/batch/spring-batch-2.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-2.1.xsd">
<bean id="jobRepository"
class="org.springframework.batch.core.repository.support.SimpleJobRepository">
<constructor-arg>
<bean
class="org.springframework.batch.core.repository.dao.MapJobInstanceDao"/>
</constructor-arg>
<constructor-arg>
<bean
class="org.springframework.batch.core.repository.dao.MapJobExecutionDao"/>
</constructor-arg>
<constructor-arg>
<bean
class="org.springframework.batch.core.repository.dao.MapStepExecutionDao"/>
</constructor-arg>
<constructor-arg>
<bean
class="org.springframework.batch.core.repository.dao.MapExecutionContextDao"/>
</constructor-arg>
</bean>
<bean id="jobRepository-transactionManager"
class="org.springframework.batch.support.transaction.ResourcelessTransactionManager"/>
<bean id="jobLauncher"
class="org.springframework.batch.core.launch.support.SimpleJobLauncher"
p:jobRepository-ref="jobRepository"/>
<!-- Les bean projet -->
<bean id="csvReader"
class="org.springframework.batch.item.file.FlatFileItemReader"
p:resource="file:c:\AppPerso\csvManager\client.csv">
<property name="lineMapper">
<bean
class="org.springframework.batch.item.file.mapping.DefaultLineMapper">
<property name="lineTokenizer">
<bean
class="org.springframework.batch.item.file.transform.DelimitedLineTokenizer"
p:delimiter=";"
p:names="client_id;client_status;client_name;client_surname;client_dnais;client_addr1;client_addr2;client_addr3;client_addr4"/>
</property>
<property name="fieldSetMapper">
<bean
class="org.springframework.batch.item.file.mapping.BeanWrapperFieldSetMapper"
p:targetType="com.bigmac.spring.batch.csv.Client"/>
</property>
</bean>
</property>
</bean>
<bean id="csvWriter"
class="org.springframework.batch.item.file.FlatFileItemWriter">
<property name="resource" value="file:c:\AppPerso\csvManager\client-reformat.csv"/>
<property name="shouldDeleteIfExists" value="true"/>
<property name="lineAggregator">
<bean class="org.springframework.batch.item.file.transform.DelimitedLineAggregator">
<property name="delimiter" value=";"/>
<property name="fieldExtractor">
<bean class="org.springframework.batch.item.file.transform.BeanWrapperFieldExtractor">
<property name="names" value="client_id;client_status;client_name;client_surname;client_dnais;client_addr1;client_addr2;client_addr3;client_addr4"/>
</bean>
</property>
</bean>
</property>
</bean>
<batch:job id="CSVManager" job-repository="jobRepository">
<batch:step id="step1">
<batch:tasklet
transaction-manager="jobRepository-transactionManager">
<batch:chunk
reader="csvReader"
writer="csvWriter"
commit-interval="10"/>
</batch:tasklet>
</batch:step>
</batch:job>
</beans>