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·¢²¼Ê±¼ä:2017-12-05 09:03:58À´Ô´:ºìÁª×÷Õß:baihuo
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New Baseline

Spring Batch 3 »ùÓÚ Spring Framework 4 £¬Spring Batch 4 ÖØÐÂÉóÊÓÁËËüµÄÒÀÀµ¹ØÏµÊ÷£¬½«ËüÓë¼´½«µ½À´µÄ Spring Boot 2 ÒÀÀµ¹ØÏµÊ÷½øÐÐÁ˸üУ¬°üÀ¨½« Spring Framework 5 ºÍ Java 8 ×÷Ϊ»ùÏßÒªÇó¡£

¸Ä½øµÄ Java ÅäÖÃ

ÈçǰËùÊö£¬Spring Batch 4 ÊÇ Spring Boot ·¢²¼ÒÔÀ´µÄµÚÒ»¸öÖ÷Òª°æ±¾¡£ÔÚÕâ¸ö°æ±¾ÖУ¬¸ÄÉÆÁËÈÃÓû§µÄ Java ÅäÖÃÌåÑé¡£ËùÓÐ ItemReader ºÍ ItemWriter ʵÏÖÏÖÔÚ¶¼¿ÉÒÔʹÓù¹½¨Æ÷¡£Ê¹Óà Spring Batch 3 µÄ Java ÅäÖù¦ÄÜ£¬½«ÐèÒªÈçÏÂËùʾ£º[code]@Bean
public FlatFileItemReader reader(Resource resource)
throws Exception {

FlatFileItemReader reader = new FlatFileItemReader<>();

reader.setName(¡°fooReader¡±);
reader.setResource(resource);

BeanWrapperFieldSetMapper fieldSetMapper =
new BeanWrapperFieldSetMapper<>();
fieldSetMapper.setTargetType(Foo.class);
fieldSetMapper.afterPropertiesSet();

DelimitedLineTokenizer tokenizer = new DelimitedLineTokenizer();
tokenizer.setNames(new String[] {¡°first¡±, ¡°second¡±, ¡°third¡±});
tokenizer.afterPropertiesSet();

DefaultLineMapper lineMapper = new DefaultLineMapper();
lineMapper.setLineTokenizer(tokenizer);
lineMapper.setFieldSetMapper(fieldSetMapper);

reader.setLineMapper(lineMapper);

return reader;
}[/code]ʹÓà Spring Batch 4£¬ÅäÖüò»¯ÈçÏ£º[code]@Bean
public FlatFileItemReader reader(Resource resource) {
return new FlatFileItemReaderBuilder()
.name(¡°fooReader¡±)
.resource(resource)
.delimited()
.names(new String[]{¡°first¡±, ¡°second¡±, ¡°third¡±})
.targetType(Foo.class)
.build();
}[/code]ÐÂÎĵµ

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Èí¼þÏêÇ飺https://spring.io/blog/2017/12/04/spring-batch-4-0-0-release-is-now-available

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