spring batch 读取多个文件数据导入数据库

项目的目录结构

需要读取文件的的数据格式

applicatonContext.xml的配置

<?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:p="http://www.springframework.org/schema/p"
    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
    http://www.springframework.org/schema/aop
    http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-3.0.xsd"
    default-autowire="byName">
    <context:component-scan base-package="com.aliyun.springbatch" />

    <bean id="jobLauncher" class="org.springframework.batch.core.launch.support.SimpleJobLauncher">
        <property name="jobRepository" ref="jobRepository"/>
    </bean>
    <bean id="jobRepository" class="org.springframework.batch.core.repository.support.MapJobRepositoryFactoryBean">
        <property name="transactionManager" ref="transactionManager"></property>
    </bean>
    <bean id="transactionManager"
        class="org.springframework.batch.support.transaction.ResourcelessTransactionManager">
    </bean>
     <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
         <property name="dataSource" ref="dataSource"></property>
     </bean>

      <!-- 引入外部数据源配置信息 -->
    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <value>classpath:com/aliyun/springbatch/sample/db/jdbc.properties</value>
        </property>
    </bean>
     <!-- 配置数据源 -->
    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="${jdbc.driver}"></property>
        <property name="url" value="${jdbc.url}"></property>
        <property name="username" value="${jdbc.username}"></property>
        <property name="password" value="${jdbc.password}"></property>
    </bean>
</beans>

batch.xml的配置

<?xml version="1.0" encoding="UTF-8"?>
<bean:beans xmlns="http://www.springframework.org/schema/batch"
    xmlns:bean="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
    xmlns:util="http://www.springframework.org/schema/util"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/batch
http://www.springframework.org/schema/batch/spring-batch-3.0.xsd
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd">

    <!-- <bean:import resource="dataSource.xml" /> -->
    <bean:import resource="applicationContext.xml" />
    <!-- Job的配置信息 -->
    <!-- commit-interval="1" 表示每处理完1条数据提交一次事务 -->
    <job id="dbJob">
        <step id="dbReadAndWriterStep" >
            <tasklet>
                <chunk reader="userReader" writer="jdbcItemWriter"
                    commit-interval="1">
                </chunk>
            </tasklet>
        </step>
    </job>

    <!-- <bean:bean id="jdbcItemReader" class="org.springframework.batch.item.database.JdbcCursorItemReader"
        scope="step"> <bean:property name="dataSource" ref="dataSource" /> <bean:property
        name="sql" value="select id,name,age,score from t_user" /> <bean:property
        name="rowMapper"> <bean:bean class="org.springframework.jdbc.core.BeanPropertyRowMapper">
        <bean:property name="mappedClass" value="com.aliyun.springbatch.sample.db.User"
        /> </bean:bean> </bean:property> </bean:bean> -->
    <!-- 读文件 多文件上传-->
    <bean:bean id="userReader" class="org.springframework.batch.item.file.MultiResourceItemReader"
        scope="step">
<!-- 单个文件读取 -->
        <!-- <property name="resource" value="file:./sample.csv" /> -->
<!-- 多个文件读取  读取文件的位置 -->
        <bean:property name="resources" value="file:#{jobParameters['inputFile']}" />
    <!-- 引入单个文件的读取对象 -->
        <bean:property name="delegate" ref="flatFileItemReader" />
    </bean:bean>
    <!-- 单个文件的读取对象 -->
    <bean:bean id="flatFileItemReader"
        class="org.springframework.batch.item.file.FlatFileItemReader">
    <!-- 跳过读取文件的第一行 因为第一行是列名-->
    <bean:property name="linesToSkip" value="1"/>
    <!-- 文件的行映射 -->
    <bean:property name="lineMapper">
      <bean:bean class="org.springframework.batch.item.file.mapping.DefaultLineMapper">
        <!-- 行的字段映射 -->
        <bean:property name="lineTokenizer">
            <!-- 映射的字段以下面names属性，以，隔开 -->
            <bean:bean
                    class="org.springframework.batch.item.file.transform.DelimitedLineTokenizer">
                <bean:property name="names" value="id,name,age,score" />
            </bean:bean>
        </bean:property>
        <!-- 设置 读取的字段映射给实体对象 -->
        <bean:property name="fieldSetMapper">
            <bean:bean
            class="org.springframework.batch.item.file.mapping.BeanWrapperFieldSetMapper">
                <bean:property name="prototypeBeanName" value="user" />
            </bean:bean>
        </bean:property>
      </bean:bean>
    </bean:property>
  </bean:bean>

  <bean:bean id="user" class="com.aliyun.springbatch.sample.db.User"></bean:bean>
    <!-- db数据的写 -->
    <!-- <bean:bean id="jdbcItemWriter"
        class="org.springframework.batch.item.database.JdbcBatchItemWriter">
        <bean:property name="dataSource" ref="dataSource" />
        <bean:property name="sql"
            value="insert into T_DESTUSER (ID,USERID,USERNAME,PASSWORD,UPDATETIME,UPDATEUSER)
                   values
                  (:id,:userId,:userName,:password,:updateDate,:updateUser)" />
        <bean:property name="itemSqlParameterSourceProvider">
            <bean:bean
                class="org.springframework.batch.item.database.BeanPropertyItemSqlParameterSourceProvider" />
        </bean:property>
    </bean:bean> -->

    <!-- 这是自定义的实现ItemWriter接口的ItemWriter的实现类 -->
<bean:bean id="jdbcItemWriter" class="com.aliyun.springbatch.sample.db.JdbcItemWriter">
</bean:bean>
</bean:beans>

jdbc.properties  mysql数据源配置文件

#Oracle
#hibernate.dialect=org.hibernate.dialect.OracleDialect
#validationQuery.sqlserver=SELECT 1 FROM DUAL
#jdbc.driver=oracle.jdbc.driver.OracleDriver
#jdbc.url=jdbc:oracle:thin:@localhost:1521:orcl
#jdbc.username=activitproject
#jdbc.password=activitproject
#Mysql
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/spring_batch_demo
jdbc.username=root
jdbc.password=root

封装数据的实体类就自己写吧

测试主方法：

 public static void main(String[] args) {
        ApplicationContext context = new ClassPathXmlApplicationContext(
                "com/aliyun/springbatch/sample/db/batch.xml");
        JobLauncher launcher = (JobLauncher) context.getBean("jobLauncher");
        Job job = (Job) context.getBean("dbJob");

        try {

            // JOB执行，设置参数添加读取文件的路径
            JobExecution result = launcher.run(
                    job,
                    //添加job参数时，将读取的文件目录加入到job的参数中
                    new JobParametersBuilder()
                            .addString("inputFile",
                                    "src/main/java/com/aliyun/springbatch/sample/db/inputFile*.csv")
                            .toJobParameters());
            // 运行结果输出
            System.out.println(result.toString());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

over::