Spring Batch\u793a\u4f8b<\/h3>\n
\u8ba9\u6211\u4eec\u8003\u8651\u4e00\u4e2a\u5173\u4e8eSpring Batch\u5b9e\u73b0\u7684\u5de5\u4f5c\u793a\u4f8b\u3002\u6211\u4eec\u5c06\u8003\u8651\u4ee5\u4e0b\u7684\u5b9e\u73b0\u573a\u666f\uff1a\u4e00\u4e2a\u5305\u542b\u6570\u636e\u7684CSV\u6587\u4ef6\u9700\u8981\u8f6c\u6362\u4e3aXML\uff0c\u5e76\u4e14\u6570\u636e\u548c\u6807\u7b7e\u5c06\u6839\u636e\u5217\u540d\u547d\u540d\u3002\u4ee5\u4e0b\u662f\u7528\u4e8eSpring Batch\u793a\u4f8b\u7684\u91cd\u8981\u5de5\u5177\u548c\u5e93\u3002<\/p>\n
- \n
- Apache Maven 3.5.0 – \u7528\u4e8e\u9879\u76ee\u6784\u5efa\u548c\u4f9d\u8d56\u7ba1\u7406\u3002<\/li>\n
- Eclipse Oxygen Release 4.7.0 – \u7528\u4e8e\u521b\u5efaSpring Batch Maven\u5e94\u7528\u7684IDE\u3002<\/li>\n
- Java 1.8<\/li>\n
- Spring Core 4.3.12.RELEASE<\/li>\n
- Spring OXM 4.3.12.RELEASE<\/li>\n
- Spring JDBC 4.3.12.RELEASE<\/li>\n
- Spring Batch 3.0.8.RELEASE<\/li>\n
- MySQL Java Driver 5.1.25 – \u6839\u636e\u4f60\u7684MySQL\u5b89\u88c5\u4f7f\u7528\u3002\u8fd9\u662fSpring Batch\u5143\u6570\u636e\u8868\u6240\u9700\u7684\u3002<\/li>\n<\/ul>\n
Spring Batch\u793a\u4f8b\u76ee\u5f55\u7ed3\u6784<\/h3>\n
\n\t![\"spring](\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/656480afa4b2f92e6c72e873\/8-0.png\" "\\"\\"")
\n<\/div>\nSpring Batch\u7684Maven\u4f9d\u8d56<\/h3>\n
\u8fd9\u662f\u6587\u7ae0\u300aSpring\u6279\u5904\u7406\u793a\u4f8b\u300b\u7684\u7b2c2\u90e8\u5206\uff08\u51716\u90e8\u5206\uff09\u3002<\/p>\n
\u4e0b\u9762\u662fpom.xml\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u5305\u542b\u4e86\u6211\u4eec\u7684Spring\u6279\u5904\u7406\u793a\u4f8b\u9879\u76ee\u6240\u9700\u7684\u6240\u6709\u4f9d\u8d56\u9879\u3002<\/p>\n
<project xmlns=\"https:\/\/maven.apache.org\/POM\/4.0.0\" xmlns:xsi=\"https:\/\/www.w3.org\/2001\/XMLSchema-instance\"\r\n\txsi:schemaLocation=\"https:\/\/maven.apache.org\/POM\/4.0.0 https:\/\/maven.apache.org\/xsd\/maven-4.0.0.xsd\">\r\n\t<modelVersion>4.0.0<\/modelVersion>\r\n\r\n\t<groupId>com.Olivia.spring<\/groupId>\r\n\t<artifactId>SpringBatchExample<\/artifactId>\r\n\t<version>0.0.1-SNAPSHOT<\/version>\r\n\t<packaging>jar<\/packaging>\r\n\r\n\t<name>SpringBatchDemo<\/name>\r\n\t<url>https:\/\/maven.apache.org<\/url>\r\n\r\n\t<properties>\r\n\t\t<jdk.version>1.8<\/jdk.version>\r\n\t\t<spring.version>4.3.12.RELEASE<\/spring.version>\r\n\t\t<spring.batch.version>3.0.8.RELEASE<\/spring.batch.version>\r\n\t\t<mysql.driver.version>5.1.25<\/mysql.driver.version>\r\n\t\t<junit.version>4.11<\/junit.version>\r\n\t<\/properties>\r\n\r\n\t<dependencies>\r\n\r\n\t\t<!-- Spring Core -->\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.springframework<\/groupId>\r\n\t\t\t<artifactId>spring-core<\/artifactId>\r\n\t\t\t<version>${spring.version}<\/version>\r\n\t\t<\/dependency>\r\n\r\n\t\t<!-- Spring jdbc, for database -->\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.springframework<\/groupId>\r\n\t\t\t<artifactId>spring-jdbc<\/artifactId>\r\n\t\t\t<version>${spring.version}<\/version>\r\n\t\t<\/dependency>\r\n\r\n\t\t<!-- Spring XML to\/back object -->\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.springframework<\/groupId>\r\n\t\t\t<artifactId>spring-oxm<\/artifactId>\r\n\t\t\t<version>${spring.version}<\/version>\r\n\t\t<\/dependency>\r\n\r\n\t\t<!-- MySQL database driver -->\r\n\t\t<dependency>\r\n\t\t\t<groupId>mysql<\/groupId>\r\n\t\t\t<artifactId>mysql-connector-java<\/artifactId>\r\n\t\t\t<version>${mysql.driver.version}<\/version>\r\n\t\t<\/dependency>\r\n\r\n\t\t<!-- Spring Batch dependencies -->\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.springframework.batch<\/groupId>\r\n\t\t\t<artifactId>spring-batch-core<\/artifactId>\r\n\t\t\t<version>${spring.batch.version}<\/version>\r\n\t\t<\/dependency>\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.springframework.batch<\/groupId>\r\n\t\t\t<artifactId>spring-batch-infrastructure<\/artifactId>\r\n\t\t\t<version>${spring.batch.version}<\/version>\r\n\t\t<\/dependency>\r\n\r\n\t\t<!-- Spring Batch unit test -->\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.springframework.batch<\/groupId>\r\n\t\t\t<artifactId>spring-batch-test<\/artifactId>\r\n\t\t\t<version>${spring.batch.version}<\/version>\r\n\t\t<\/dependency>\r\n\r\n\t\t<!-- Junit -->\r\n\t\t<dependency>\r\n\t\t\t<groupId>junit<\/groupId>\r\n\t\t\t<artifactId>junit<\/artifactId>\r\n\t\t\t<version>${junit.version}<\/version>\r\n\t\t\t<scope>test<\/scope>\r\n\t\t<\/dependency>\r\n\r\n\t\t<dependency>\r\n\t\t\t<groupId>com.thoughtworks.xstream<\/groupId>\r\n\t\t\t<artifactId>xstream<\/artifactId>\r\n\t\t\t<version>1.4.10<\/version>\r\n\t\t<\/dependency>\r\n\r\n\t<\/dependencies>\r\n\t<build>\r\n\t\t<finalName>spring-batch<\/finalName>\r\n\t\t<plugins>\r\n\t\t\t<plugin>\r\n\t\t\t\t<groupId>org.apache.maven.plugins<\/groupId>\r\n\t\t\t\t<artifactId>maven-eclipse-plugin<\/artifactId>\r\n\t\t\t\t<version>2.9<\/version>\r\n\t\t\t\t<configuration>\r\n\t\t\t\t\t<downloadSources>true<\/downloadSources>\r\n\t\t\t\t\t<downloadJavadocs>false<\/downloadJavadocs>\r\n\t\t\t\t<\/configuration>\r\n\t\t\t<\/plugin>\r\n\t\t\t<plugin>\r\n\t\t\t\t<groupId>org.apache.maven.plugins<\/groupId>\r\n\t\t\t\t<artifactId>maven-compiler-plugin<\/artifactId>\r\n\t\t\t\t<version>2.3.2<\/version>\r\n\t\t\t\t<configuration>\r\n\t\t\t\t\t<source>${jdk.version}<\/source>\r\n\t\t\t\t\t<target>${jdk.version}<\/target>\r\n\t\t\t\t<\/configuration>\r\n\t\t\t<\/plugin>\r\n\t\t<\/plugins>\r\n\t<\/build>\r\n<\/project>\r\n<\/code><\/pre>\n\u6279\u5904\u7406CSV\u8f93\u5165\u6587\u4ef6\u7684Spring\u6279\u5904\u7406\u4efb\u52a1<\/h3>\n
\u8fd9\u662f\u6211\u4eec\u7528\u4e8eSpring\u6279\u5904\u7406\u7684\u6837\u672cCSV\u6587\u4ef6\u7684\u5185\u5bb9\u3002<\/p>\n
1001,Tom,Moody, 29\/7\/2013\r\n1002,John,Parker, 30\/7\/2013\r\n1003,Henry,Williams, 31\/7\/2013\r\n<\/code><\/pre>\nSpring\u6279\u5904\u7406\u4f5c\u4e1a\u914d\u7f6e<\/h3>\n
\u6211\u4eec\u9700\u8981\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u5b9a\u4e49Spring Bean\u548cSpring Batch\u4f5c\u4e1a\u3002\u4ee5\u4e0b\u662fjob-batch-demo.xml\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u8fd9\u662fSpring Batch\u9879\u76ee\u6700\u91cd\u8981\u7684\u90e8\u5206\u3002<\/p>\n
<beans xmlns=\"https:\/\/www.springframework.org\/schema\/beans\"\r\n\txmlns:batch=\"https:\/\/www.springframework.org\/schema\/batch\" xmlns:xsi=\"https:\/\/www.w3.org\/2001\/XMLSchema-instance\"\r\n\txsi:schemaLocation=\"https:\/\/www.springframework.org\/schema\/batch\r\n\t\thttps:\/\/www.springframework.org\/schema\/batch\/spring-batch-3.0.xsd\r\n\t\thttps:\/\/www.springframework.org\/schema\/beans \r\n\t\thttps:\/\/www.springframework.org\/schema\/beans\/spring-beans-4.3.xsd\r\n\t\">\r\n\r\n\t<import resource=\"..\/config\/context.xml\" \/>\r\n\t<import resource=\"..\/config\/database.xml\" \/>\r\n\r\n\t<bean id=\"report\" class=\"com.Olivia.spring.model.Report\"\r\n\t\tscope=\"prototype\" \/>\r\n\t<bean id=\"itemProcessor\" class=\"com.Olivia.spring.CustomItemProcessor\" \/>\r\n\r\n\t<batch:job id=\"DemoJobXMLWriter\">\r\n\t\t<batch:step id=\"step1\">\r\n\t\t\t<batch:tasklet>\r\n\t\t\t\t<batch:chunk reader=\"csvFileItemReader\" writer=\"xmlItemWriter\"\r\n\t\t\t\t\tprocessor=\"itemProcessor\" commit-interval=\"10\">\r\n\t\t\t\t<\/batch:chunk>\r\n\t\t\t<\/batch:tasklet>\r\n\t\t<\/batch:step>\r\n\t<\/batch:job>\r\n\r\n\t<bean id=\"csvFileItemReader\" class=\"org.springframework.batch.item.file.FlatFileItemReader\">\r\n\r\n\t\t<property name=\"resource\" value=\"classpath:csv\/input\/report.csv\" \/>\r\n\r\n\t\t<property name=\"lineMapper\">\r\n\t\t\t<bean class=\"org.springframework.batch.item.file.mapping.DefaultLineMapper\">\r\n\t\t\t\t<property name=\"lineTokenizer\">\r\n\t\t\t\t\t<bean\r\n\t\t\t\t\t\tclass=\"org.springframework.batch.item.file.transform.DelimitedLineTokenizer\">\r\n\t\t\t\t\t\t<property name=\"names\" value=\"id,firstname,lastname,dob\" \/>\r\n\t\t\t\t\t<\/bean>\r\n\t\t\t\t<\/property>\r\n\t\t\t\t<property name=\"fieldSetMapper\">\r\n\t\t\t\t\t<bean class=\"com.Olivia.spring.ReportFieldSetMapper\" \/>\r\n\r\n\t\t\t\t\t<!-- if no data type conversion, use BeanWrapperFieldSetMapper to map \r\n\t\t\t\t\t\tby name <bean class=\"org.springframework.batch.item.file.mapping.BeanWrapperFieldSetMapper\"> \r\n\t\t\t\t\t\t<property name=\"prototypeBeanName\" value=\"report\" \/> <\/bean> -->\r\n\t\t\t\t<\/property>\r\n\t\t\t<\/bean>\r\n\t\t<\/property>\r\n\r\n\t<\/bean>\r\n\r\n\t<bean id=\"xmlItemWriter\" class=\"org.springframework.batch.item.xml.StaxEventItemWriter\">\r\n\t\t<property name=\"resource\" value=\"file:xml\/outputs\/report.xml\" \/>\r\n\t\t<property name=\"marshaller\" ref=\"reportMarshaller\" \/>\r\n\t\t<property name=\"rootTagName\" value=\"report\" \/>\r\n\t<\/bean>\r\n\r\n\t<bean id=\"reportMarshaller\" class=\"org.springframework.oxm.jaxb.Jaxb2Marshaller\">\r\n\t\t<property name=\"classesToBeBound\">\r\n\t\t\t<list>\r\n\t\t\t\t<value>com.Olivia.spring.model.Report<\/value>\r\n\t\t\t<\/list>\r\n\t\t<\/property>\r\n\t<\/bean>\r\n\r\n<\/beans>\r\n<\/code><\/pre>\n- \n
- \n
- \u6211\u4eec\u6b63\u5728\u4f7f\u7528FlatFileItemReader\u6765\u8bfb\u53d6CSV\u6587\u4ef6\uff0cCustomItemProcessor\u6765\u5904\u7406\u6570\u636e\uff0c\u5e76\u4f7f\u7528StaxEventItemWriter\u5c06\u6570\u636e\u5199\u5165XML\u6587\u4ef6\u3002<\/ol>\n<\/li>\n<\/ol>\n
- \n
- batch:job – \u6b64\u6807\u7b7e\u5b9a\u4e49\u6211\u4eec\u8981\u521b\u5efa\u7684\u4f5c\u4e1a\u3002Id\u5c5e\u6027\u6307\u5b9a\u4f5c\u4e1a\u7684ID\u3002\u6211\u4eec\u53ef\u4ee5\u5728\u5355\u4e2axml\u6587\u4ef6\u4e2d\u5b9a\u4e49\u591a\u4e2a\u4f5c\u4e1a\u3002<\/ol>\n<\/li>\n<\/ol>\n
- \n
- batch:step – \u6b64\u6807\u7b7e\u7528\u4e8e\u5b9a\u4e49Spring Batch\u4f5c\u4e1a\u7684\u4e0d\u540c\u6b65\u9aa4\u3002<\/ol>\n<\/li>\n<\/ol>\n
- \n
- Spring Batch\u6846\u67b6\u63d0\u4f9b\u4e86\u4e24\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u5904\u7406\u65b9\u5f0f\uff0c\u5206\u522b\u662f\u201cTaskletStep Oriented\u201d\u548c\u201cChunk Oriented\u201d\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u9009\u62e9\u4e86Chunk Oriented\u6837\u5f0f\uff0c\u5b83\u6307\u7684\u662f\u9010\u4e2a\u8bfb\u53d6\u6570\u636e\u5e76\u521b\u5efa\u5c06\u5728\u4e8b\u52a1\u8fb9\u754c\u5185\u5199\u51fa\u7684\u201c\u5757\u201d\u3002<\/ol>\n<\/li>\n<\/ol>\n
- \n
- reader: \u7528\u4e8e\u8bfb\u53d6\u6570\u636e\u7684Spring bean\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86csvFileItemReader bean\uff0c\u5b83\u662fFlatFileItemReader\u7684\u5b9e\u4f8b\u3002<\/ol>\n<\/li>\n<\/ol>\n
- \n
- processor: \u7528\u4e8e\u5904\u7406\u6570\u636e\u7684\u7c7b\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86CustomItemProcessor\u3002<\/ol>\n<\/li>\n<\/ol>\n
- \n
- writer: \u7528\u4e8e\u5c06\u6570\u636e\u5199\u5165XML\u6587\u4ef6\u7684bean\u3002<\/ol>\n<\/li>\n<\/ol>\n
- \n
- commit-interval: \u6b64\u5c5e\u6027\u5b9a\u4e49\u4e86\u4e00\u6b21\u5904\u7406\u5b8c\u6210\u540e\u5c06\u63d0\u4ea4\u7684\u5757\u7684\u5927\u5c0f\u3002\u57fa\u672c\u4e0a\uff0c\u5b83\u610f\u5473\u7740ItemReader\u5c06\u9010\u4e2a\u8bfb\u53d6\u6570\u636e\uff0cItemProcessor\u4e5f\u5c06\u4ee5\u76f8\u540c\u7684\u65b9\u5f0f\u5904\u7406\u6570\u636e\uff0c\u4f46\u53ea\u6709\u5728\u4e0ecommit-interval\u7684\u5927\u5c0f\u76f8\u7b49\u65f6\uff0cItemWriter\u624d\u4f1a\u5c06\u6570\u636e\u5199\u5165\u3002<\/ol>\n<\/li>\n<\/ol>\n
- jobRepository<\/strong> – JobRepository\u8d1f\u8d23\u5c06\u6bcf\u4e2aJava\u5bf9\u8c61\u5b58\u50a8\u5230Spring Batch\u7684\u6b63\u786e\u5143\u6570\u636e\u8868\u4e2d\u3002<\/li>\n
- transactionManager<\/strong> – \u5f53\u63d0\u4ea4\u95f4\u9694\u5927\u5c0f\u548c\u5904\u7406\u7684\u6570\u636e\u91cf\u76f8\u7b49\u65f6\uff0c\u5b83\u8d1f\u8d23\u63d0\u4ea4\u4e8b\u52a1\u3002<\/li>\n
- jobLauncher<\/strong> – \u8fd9\u662fSpring Batch\u7684\u6838\u5fc3\u3002\u8be5\u63a5\u53e3\u5305\u542b\u7528\u4e8e\u89e6\u53d1\u4f5c\u4e1a\u7684run\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n
<beans xmlns=\"https:\/\/www.springframework.org\/schema\/beans\"\r\n\txmlns:jdbc=\"https:\/\/www.springframework.org\/schema\/jdbc\" xmlns:xsi=\"https:\/\/www.w3.org\/2001\/XMLSchema-instance\"\r\n\txsi:schemaLocation=\"https:\/\/www.springframework.org\/schema\/beans \r\n\t\thttps:\/\/www.springframework.org\/schema\/beans\/spring-beans-4.3.xsd\r\n\t\thttps:\/\/www.springframework.org\/schema\/jdbc \r\n\t\thttps:\/\/www.springframework.org\/schema\/jdbc\/spring-jdbc-4.3.xsd\">\r\n\r\n\t<!-- \u8fde\u63a5\u5230\u6570\u636e\u5e93 -->\r\n\t<bean id=\"dataSource\"\r\n\t\tclass=\"org.springframework.jdbc.datasource.DriverManagerDataSource\">\r\n\t\t<property name=\"driverClassName\" value=\"com.mysql.jdbc.Driver\" \/>\r\n\t\t<property name=\"url\" value=\"jdbc:mysql:\/\/localhost:3306\/Test\" \/>\r\n\t\t<property name=\"username\" value=\"test\" \/>\r\n\t\t<property name=\"password\" value=\"test123\" \/>\r\n\t<\/bean>\r\n\r\n\t<bean id=\"transactionManager\"\r\n\t\tclass=\"org.springframework.batch.support.transaction.ResourcelessTransactionManager\" \/>\r\n\r\n\t<!-- \u81ea\u52a8\u521b\u5efa\u4f5c\u4e1a\u5143\u6570\u636e\u8868 -->\r\n\t<!-- <jdbc:initialize-database data-source=\"dataSource\"> <jdbc:script location=\"org\/springframework\/batch\/core\/schema-drop-mysql.sql\" \r\n\t\t\/> <jdbc:script location=\"org\/springframework\/batch\/core\/schema-mysql.sql\" \r\n\t\t\/> <\/jdbc:initialize-database> -->\r\n<\/beans>\r\n<\/code><\/pre>\nSpring Batch\u4f7f\u7528\u4e00\u4e9b\u5143\u6570\u636e\u8868\u6765\u5b58\u50a8\u6279\u5904\u7406\u4f5c\u4e1a\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u4eceSpring Batch\u914d\u7f6e\u4e2d\u521b\u5efa\u8fd9\u4e9b\u8868\uff0c\u4f46\u6700\u597d\u901a\u8fc7\u6267\u884cSQL\u6587\u4ef6\u624b\u52a8\u521b\u5efa\uff0c\u5c31\u50cf\u60a8\u5728\u4e0a\u9762\u7684\u6ce8\u91ca\u4ee3\u7801\u4e2d\u6240\u770b\u5230\u7684\u90a3\u6837\u3002\u4ece\u5b89\u5168\u89d2\u5ea6\u8003\u8651\uff0c\u6700\u597d\u4e0d\u8981\u7ed9Spring Batch\u6570\u636e\u5e93\u7528\u6237DDL\u6267\u884c\u6743\u9650\u3002<\/p>\n
Spring Batch\u8868<\/h3>\n
![\"spring](\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/656480afa4b2f92e6c72e873\/37-0.png\" "\\"\\"")
<\/div>\n- \n
- \n
- \u6279\u91cf\u4f5c\u4e1a\u5b9e\u4f8b\uff08Batch_job_instance\uff09<\/strong>\u8868\u4fdd\u5b58\u4e0e\u4f5c\u4e1a\u5b9e\u4f8b\uff08JobInstance\uff09\u76f8\u5173\u7684\u6240\u6709\u4fe1\u606f\u3002<\/ol>\n<\/li>\n<\/ol>\n
- \n
- \u6279\u91cf\u4f5c\u4e1a\u6267\u884c\u53c2\u6570\uff08Batch_job_execution_params\uff09<\/strong>\u8868\u4fdd\u5b58\u4e0e\u4f5c\u4e1a\u53c2\u6570\u5bf9\u8c61\uff08JobParameters\uff09\u76f8\u5173\u7684\u6240\u6709\u4fe1\u606f\u3002<\/ol>\n<\/li>\n<\/ol>\n
- \n
- \u6279\u91cf\u4f5c\u4e1a\u6267\u884c\uff08Batch_job_execution\uff09<\/strong>\u8868\u4fdd\u5b58\u4e0e\u4f5c\u4e1a\u6267\u884c\u5bf9\u8c61\uff08JobExecution\uff09\u76f8\u5173\u7684\u6570\u636e\u3002\u6bcf\u6b21\u8fd0\u884c\u4f5c\u4e1a\u65f6\u90fd\u4f1a\u6dfb\u52a0\u4e00\u884c\u65b0\u6570\u636e\u3002<\/ol>\n<\/li>\n<\/ol>\n
- \n
- \u6279\u91cf\u6b65\u9aa4\u6267\u884c\uff08Batch_step_execution\uff09<\/strong>\u8868\u4fdd\u5b58\u4e0e\u6b65\u9aa4\u6267\u884c\u5bf9\u8c61\uff08StepExecution\uff09\u76f8\u5173\u7684\u6240\u6709\u4fe1\u606f\u3002<\/ol>\n<\/li>\n<\/ol>\n
- \n
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- \n
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- \n
- \u6279\u91cf\u4f5c\u4e1a\u6267\u884c\u5e8f\u5217\uff08Batch_job_execution_seq\uff09<\/strong>\u8868\u4fdd\u5b58\u4f5c\u4e1a\u6267\u884c\u7684\u6570\u636e\u5e8f\u5217\u3002<\/ol>\n<\/li>\n<\/ol>\n
- \n
- \u6279\u91cf\u6b65\u9aa4\u6267\u884c\u5e8f\u5217\uff08Batch_step_execution_seq\uff09<\/strong>\u8868\u4fdd\u5b58\u6b65\u9aa4\u6267\u884c\u7684\u6570\u636e\u5e8f\u5217\u3002<\/ol>\n<\/li>\n<\/ol>\n
- \u6279\u91cf\u4f5c\u4e1a\u5e8f\u5217\uff08Batch_job_seq\uff09<\/strong>\u8868\u4fdd\u5b58\u4f5c\u4e1a\u7684\u5e8f\u5217\u6570\u636e\uff0c\u4ee5\u9632\u6211\u4eec\u6709\u591a\u4e2a\u4f5c\u4e1a\uff0c\u5c06\u83b7\u5f97\u591a\u884c\u6570\u636e\u3002<\/li>\n<\/ol>\n
Spring Batch\u6d4b\u8bd5\u7a0b\u5e8f<\/h3>\n
\u8fd9\u662f\u6587\u7ae0\u300aSpring Batch\u793a\u4f8b\u300b\u7684\u7b2c6\u90e8\u5206\uff08\u51716\u90e8\u5206\uff09\u3002<\/p>\n
\u5185\u5bb9\u7247\u6bb5\uff1a\u6211\u4eec\u7684Spring Batch\u793a\u4f8b\u9879\u76ee\u5df2\u7ecf\u51c6\u5907\u5c31\u7eea\uff0c\u6700\u540e\u4e00\u6b65\u662f\u7f16\u5199\u4e00\u4e2a\u6d4b\u8bd5\u7c7b\u5c06\u5176\u4f5c\u4e3aJava\u7a0b\u5e8f\u6267\u884c\u3002<\/p>\n
package com.Olivia.spring;\r\n\r\nimport org.springframework.batch.core.Job;\r\nimport org.springframework.batch.core.JobExecution;\r\nimport org.springframework.batch.core.JobParameters;\r\nimport org.springframework.batch.core.JobParametersBuilder;\r\nimport org.springframework.batch.core.launch.JobLauncher;\r\nimport org.springframework.context.support.ClassPathXmlApplicationContext;\r\n\r\npublic class App {\r\n\tpublic static void main(String[] args) {\r\n\r\n\t\tString[] springConfig = { \"spring\/batch\/jobs\/job-batch-demo.xml\" };\r\n\r\n\t\tClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(springConfig);\r\n\r\n\t\tJobLauncher jobLauncher = (JobLauncher) context.getBean(\"jobLauncher\");\r\n\t\tJob job = (Job) context.getBean(\"DemoJobXMLWriter\");\r\n\r\n\t\tJobParameters jobParameters = new JobParametersBuilder().addLong(\"time\", System.currentTimeMillis())\r\n\t\t\t\t.toJobParameters();\r\n\r\n\t\ttry {\r\n\r\n\t\t\tJobExecution execution = jobLauncher.run(job, jobParameters);\r\n\t\t\tSystem.out.println(\"Exit Status : \" + execution.getStatus());\r\n\r\n\t\t} catch (Exception e) {\r\n\t\t\te.printStackTrace();\r\n\t\t}\r\n\r\n\t\tSystem.out.println(\"Done\");\r\n\t\tcontext.close();\r\n\t}\r\n}\r\n<\/code><\/pre>\n\u53ea\u9700\u8fd0\u884c\u4ee5\u4e0a\u7a0b\u5e8f\uff0c\u60a8\u5c06\u83b7\u5f97\u4ee5\u4e0b\u7c7b\u4f3c\u7684\u8f93\u51faXML\u6587\u4ef6\u3002<\/p>\n
<?xml version=\"1.0\" encoding=\"UTF-8\"?><report><record id=\"1001\"><dob>2013-07-29T00:00:00+05:30<\/dob><firstname>TOM<\/firstname><lastname>MOODY<\/lastname><\/record><record id=\"1002\"><dob>2013-07-30T00:00:00+05:30<\/dob><firstname>JOHN<\/firstname><lastname>PARKER<\/lastname><\/record><record id=\"1003\"><dob>2013-07-31T00:00:00+05:30<\/dob><firstname>HENRY<\/firstname><lastname>WILLIAMS<\/lastname><\/record><\/report>\r\n<\/code><\/pre>\n\u8fd9\u5c31\u662f\u6240\u6709\u5173\u4e8eSpring Batch\u793a\u4f8b\u7684\u5185\u5bb9\uff0c\u60a8\u53ef\u4ee5\u4ece\u4e0b\u9762\u7684\u94fe\u63a5\u4e0b\u8f7d\u6700\u7ec8\u9879\u76ee\u3002<\/p>\n
\u4e0b\u8f7dSpring Batch\u793a\u4f8b\u9879\u76ee<\/p>\n
\u53c2\u8003\uff1a\u5b98\u65b9\u6307\u5357<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8fd9\u662f\u6587\u7ae0\u300aSpring Batch\u793a\u4f8b\u300b\u7684\u7b2c1\u90e8\u5206\uff08\u51716\u90e8\u5206\uff09\u3002 \u6b22\u8fce\u6765\u5230Spring Batch\u793a\u4f8b\u3002Spr […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[761,1989,1089,1991,1990],"class_list":["post-723","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-java","tag-spring-batch","tag-spring","tag-1991","tag-1990"],"yoast_head":"\n
Spring Batch\u6279\u5904\u7406\u6846\u67b6\u5b9e\u6218\u6559\u7a0b\u4e0e\u793a\u4f8b - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecdSpring Batch\u6279\u5904\u7406\u6846\u67b6\u7684\u6838\u5fc3\u6982\u5ff5\u3001\u914d\u7f6e\u65b9\u6cd5\u548c\u5b9e\u6218\u793a\u4f8b\u3002\u901a\u8fc7\u5b8c\u6574\u7684\u4ee3\u7801\u793a\u4f8b\u548c\u6b65\u9aa4\u89e3\u6790\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u5feb\u901f\u638c\u63e1Spring Batch\u7684\u4f7f\u7528\u6280\u5de7\uff0c\u6784\u5efa\u9ad8\u6548\u53ef\u9760\u7684\u4f01\u4e1a\u7ea7\u6279\u5904\u7406\u5e94\u7528\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u6625\u5b63\u6279\u5904\u7406\u793a\u4f8b\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Spring Batch\u6279\u5904\u7406\u6846\u67b6\u5b9e\u6218\u6559\u7a0b\u4e0e\u793a\u4f8b\" \/>\n<meta property=\"og:description\" content=\"\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecdSpring Batch\u6279\u5904\u7406\u6846\u67b6\u7684\u6838\u5fc3\u6982\u5ff5\u3001\u914d\u7f6e\u65b9\u6cd5\u548c\u5b9e\u6218\u793a\u4f8b\u3002\u901a\u8fc7\u5b8c\u6574\u7684\u4ee3\u7801\u793a\u4f8b\u548c\u6b65\u9aa4\u89e3\u6790\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u5feb\u901f\u638c\u63e1Spring Batch\u7684\u4f7f\u7528\u6280\u5de7\uff0c\u6784\u5efa\u9ad8\u6548\u53ef\u9760\u7684\u4f01\u4e1a\u7ea7\u6279\u5904\u7406\u5e94\u7528\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u6625\u5b63\u6279\u5904\u7406\u793a\u4f8b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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- \u6279\u91cf\u4f5c\u4e1a\u5e8f\u5217\uff08Batch_job_seq\uff09<\/strong>\u8868\u4fdd\u5b58\u4f5c\u4e1a\u7684\u5e8f\u5217\u6570\u636e\uff0c\u4ee5\u9632\u6211\u4eec\u6709\u591a\u4e2a\u4f5c\u4e1a\uff0c\u5c06\u83b7\u5f97\u591a\u884c\u6570\u636e\u3002<\/li>\n<\/ol>\n
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- transactionManager<\/strong> – \u5f53\u63d0\u4ea4\u95f4\u9694\u5927\u5c0f\u548c\u5904\u7406\u7684\u6570\u636e\u91cf\u76f8\u7b49\u65f6\uff0c\u5b83\u8d1f\u8d23\u63d0\u4ea4\u4e8b\u52a1\u3002<\/li>\n
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- \u4f5c\u4e3a\u6b64\u9879\u76ee\u7684\u4e00\u90e8\u5206\u4f7f\u7528\u7684\u4e09\u4e2a\u91cd\u8981\u63a5\u53e3\u662f\u6765\u81eaorg.springframework.batch.item\u5305\u7684ItemReader\u3001ItemProcessor\u548cItemWriter\u3002<\/ol>\n
\u6625\u5b63\u6279\u5904\u7406\u6a21\u578b\u7c7b<\/p>\n
\u8fd9\u662f\u6587\u7ae0\u300aSpring\u6279\u5904\u7406\u793a\u4f8b\u300b\u7684\u7b2c4\u90e8\u5206\uff08\u51716\u90e8\u5206\uff09<\/h2>\n
\u9996\u5148\uff0c\u6211\u4eec\u5c06CSV\u6587\u4ef6\u8bfb\u53d6\u4e3aJava\u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528JAXB\u5c06\u5176\u5199\u5165XML\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u6211\u4eec\u7684\u6a21\u578b\u7c7b\uff0c\u5176\u4e2d\u5305\u542b\u5fc5\u9700\u7684JAXB\u6ce8\u89e3\u3002<\/p>\n
package com.Olivia.spring.model;\r\n\r\nimport java.util.Date;\r\n\r\nimport javax.xml.bind.annotation.XmlAttribute;\r\nimport javax.xml.bind.annotation.XmlElement;\r\nimport javax.xml.bind.annotation.XmlRootElement;\r\n\r\n@XmlRootElement(name = \"record\")\r\npublic class Report {\r\n\r\n\tprivate int id;\r\n\tprivate String firstName;\r\n\tprivate String lastName;\r\n\tprivate Date dob;\r\n\r\n\t@XmlAttribute(name = \"id\")\r\n\tpublic int getId() {\r\n\t\treturn id;\r\n\t}\r\n\r\n\tpublic void setId(int id) {\r\n\t\tthis.id = id;\r\n\t}\r\n\r\n\t@XmlElement(name = \"firstname\")\r\n\tpublic String getFirstName() {\r\n\t\treturn firstName;\r\n\t}\r\n\r\n\tpublic void setFirstName(String firstName) {\r\n\t\tthis.firstName = firstName;\r\n\t}\r\n\r\n\t@XmlElement(name = \"lastname\")\r\n\tpublic String getLastName() {\r\n\t\treturn lastName;\r\n\t}\r\n\r\n\tpublic void setLastName(String lastName) {\r\n\t\tthis.lastName = lastName;\r\n\t}\r\n\r\n\t@XmlElement(name = \"dob\")\r\n\tpublic Date getDob() {\r\n\t\treturn dob;\r\n\t}\r\n\r\n\tpublic void setDob(Date dob) {\r\n\t\tthis.dob = dob;\r\n\t}\r\n\r\n\t@Override\r\n\tpublic String toString() {\r\n\t\treturn \"Report [id=\" + id + \", firstname=\" + firstName + \", lastName=\" + lastName + \", DateOfBirth=\" + dob\r\n\t\t\t\t+ \"]\";\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n\u8bf7\u6ce8\u610f\uff0c\u6a21\u578b\u7c7b\u5b57\u6bb5\u5e94\u4e0e\u5728Spring\u6279\u5904\u7406\u6620\u5c04\u914d\u7f6e\u4e2d\u5b9a\u4e49\u7684\u5b57\u6bb5\u76f8\u540c\uff0c\u4f8b\u5982\uff0c\u5728\u6211\u4eec\u7684\u60c5\u51b5\u4e0b\uff0c\u5c5e\u6027\u540d\u79f0\u4e3a”names”\u7684\u503c\u4e3a”id\uff0cfirstname\uff0clastname\uff0cdob”\u3002<\/p>\n
Spring\u6279\u5904\u7406\u7684FieldSetMapper<\/h3>\n
Spring\u6279\u5904\u7406\u9700\u8981\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684FieldSetMapper\u6765\u8f6c\u6362\u65e5\u671f\u3002\u5982\u679c\u4e0d\u9700\u8981\u6570\u636e\u7c7b\u578b\u8f6c\u6362\uff0c\u90a3\u4e48\u53ea\u9700\u8981\u4f7f\u7528BeanWrapperFieldSetMapper\u81ea\u52a8\u6309\u540d\u79f0\u6620\u5c04\u503c\u3002\u6269\u5c55FieldSetMapper\u7684Java\u7c7b\u662fReportFieldSetMapper\u3002<\/p>\n
package com.Olivia.spring;\r\n\r\nimport java.text.ParseException;\r\nimport java.text.SimpleDateFormat;\r\n\r\nimport org.springframework.batch.item.file.mapping.FieldSetMapper;\r\nimport org.springframework.batch.item.file.transform.FieldSet;\r\nimport org.springframework.validation.BindException;\r\n\r\nimport com.Olivia.spring.model.Report;\r\n\r\npublic class ReportFieldSetMapper implements FieldSetMapper<Report> {\r\n\r\n\tprivate SimpleDateFormat dateFormat = new SimpleDateFormat(\"dd\/MM\/yyyy\");\r\n\r\n\tpublic Report mapFieldSet(FieldSet fieldSet) throws BindException {\r\n\r\n\t\tReport report = new Report();\r\n\t\treport.setId(fieldSet.readInt(0));\r\n\t\treport.setFirstName(fieldSet.readString(1));\r\n\t\treport.setLastName(fieldSet.readString(2));\r\n\r\n\t\t\/\/ default format yyyy-MM-dd\r\n\t\t\/\/ fieldSet.readDate(4);\r\n\t\tString date = fieldSet.readString(3);\r\n\t\ttry {\r\n\t\t\treport.setDob(dateFormat.parse(date));\r\n\t\t} catch (ParseException e) {\r\n\t\t\te.printStackTrace();\r\n\t\t}\r\n\r\n\t\treturn report;\r\n\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\nSpring\u6279\u5904\u7406ItemProcessor<\/h3>\n
\u6839\u636e\u5de5\u4f5c\u914d\u7f6e\u7684\u5b9a\u4e49\uff0citemProcessor\u5c06\u5728itemWriter\u4e4b\u524d\u88ab\u89e6\u53d1\u3002\u6211\u4eec\u5df2\u7ecf\u4e3a\u6b64\u521b\u5efa\u4e86\u4e00\u4e2aCustomItemProcessor.java\u7c7b\u3002<\/p>\n
package com.Olivia.spring;\r\n\r\nimport org.springframework.batch.item.ItemProcessor;\r\n\r\nimport com.Olivia.spring.model.Report;\r\n\r\npublic class CustomItemProcessor implements ItemProcessor<Report, Report> {\r\n\r\n\tpublic Report process(Report item) throws Exception {\r\n\t\t\r\n\t\tSystem.out.println(\"Processing...\" + item);\r\n\t\tString fname = item.getFirstName();\r\n\t\tString lname = item.getLastName();\r\n\t\t\r\n\t\titem.setFirstName(fname.toUpperCase());\r\n\t\titem.setLastName(lname.toUpperCase());\r\n\t\treturn item;\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n\u6211\u4eec\u53ef\u4ee5\u5728ItemProcessor\u7684\u5b9e\u73b0\u4e2d\u64cd\u4f5c\u6570\u636e\uff0c\u6b63\u5982\u60a8\u6240\u770b\u5230\u7684\uff0c\u6211\u5c06\u540d\u5b57\u548c\u59d3\u6c0f\u7684\u503c\u8f6c\u6362\u4e3a\u5927\u5199\u3002<\/p>\n
Spring\u914d\u7f6e\u6587\u4ef6<\/h3>\n
\u8fd9\u662f\u6587\u7ae0\u300aSpring Batch\u793a\u4f8b\u300b\u7684\u7b2c5\u90e8\u5206\uff08\u51716\u90e8\u5206\uff09\u3002<\/p>\n
\u5728\u6211\u4eec\u7684Spring Batch\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u5bfc\u5165\u4e86\u4e24\u4e2a\u989d\u5916\u7684\u914d\u7f6e\u6587\u4ef6 – context.xml \u548c database.xml\u3002<\/p>\n
<beans xmlns=\"https:\/\/www.springframework.org\/schema\/beans\"\r\n\txmlns:xsi=\"https:\/\/www.w3.org\/2001\/XMLSchema-instance\"\r\n\txsi:schemaLocation=\"\r\n\t\thttps:\/\/www.springframework.org\/schema\/beans \r\n\t\thttps:\/\/www.springframework.org\/schema\/beans\/spring-beans-4.3.xsd\">\r\n\r\n\t<!-- \u5c06\u4f5c\u4e1a\u5143\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d -->\r\n\t<!-- \r\n\t<bean id=\"jobRepository\"\r\n\t\tclass=\"org.springframework.batch.core.repository.support.MapJobRepositoryFactoryBean\">\r\n\t\t<property name=\"transactionManager\" ref=\"transactionManager\" \/>\r\n\t<\/bean>\r\n \t -->\r\n \t \r\n \t <!-- \u5c06\u4f5c\u4e1a\u5143\u6570\u636e\u5b58\u50a8\u5728\u6570\u636e\u5e93\u4e2d -->\r\n\t<bean id=\"jobRepository\"\r\n\t\tclass=\"org.springframework.batch.core.repository.support.JobRepositoryFactoryBean\">\r\n\t\t<property name=\"dataSource\" ref=\"dataSource\" \/>\r\n\t\t<property name=\"transactionManager\" ref=\"transactionManager\" \/>\r\n\t\t<property name=\"databaseType\" value=\"mysql\" \/>\r\n\t<\/bean>\r\n\t\r\n\t<bean id=\"transactionManager\"\r\n\t\tclass=\"org.springframework.batch.support.transaction.ResourcelessTransactionManager\" \/>\r\n\t \r\n\t<bean id=\"jobLauncher\"\r\n\t\tclass=\"org.springframework.batch.core.launch.support.SimpleJobLauncher\">\r\n\t\t<property name=\"jobRepository\" ref=\"jobRepository\" \/>\r\n\t<\/bean>\r\n\r\n<\/beans>\r\n<\/code><\/pre>\n- \n
- jobRepository<\/strong> – JobRepository\u8d1f\u8d23\u5c06\u6bcf\u4e2aJava\u5bf9\u8c61\u5b58\u50a8\u5230Spring Batch\u7684\u6b63\u786e\u5143\u6570\u636e\u8868\u4e2d\u3002<\/li>\n
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