我為 spring batch 創(chuàng)建了一個(gè)小的 hello world 項(xiàng)目：構(gòu)建.gradle：buildscript {    repositories {        mavenCentral()    }    dependencies {        classpath("org.springframework.boot:spring-boot-gradle-plugin:2.1.6.RELEASE")    }}apply plugin: 'java'apply plugin: 'eclipse'apply plugin: 'idea'apply plugin: 'org.springframework.boot'apply plugin: 'io.spring.dependency-management'bootJar {    baseName = 'gs-batch-processing'    version = '0.1.0'}repositories {    mavenCentral()}sourceCompatibility = 1.8targetCompatibility = 1.8dependencies {    compile("org.springframework.boot:spring-boot-starter-batch")    compile("org.postgresql:postgresql")    compile("org.springframework.boot:spring-boot-starter-data-jpa")    //to fix exception on startup    //compile('org.hibernate:hibernate-core:5.4.2.Final')    testCompile("junit:junit")}配置：@Configuration@EnableBatchProcessingpublic class BatchConfiguration {    @Autowired    public JobBuilderFactory jobBuilderFactory;    @Autowired    public StepBuilderFactory stepBuilderFactory;    @Autowired    private DbPersonWriter dbPersonWriter;    @Autowired    private ToLowerCasePersonProcessor toLowerCasePersonProcessor;    @Value("${app.users-location}")    Resource csvResource;    @Bean    public Job job() {        return jobBuilderFactory.get("myJob")                .incrementer(new RunIdIncrementer())                .flow(csvToDataBaseStep())                .end()                .build();    }    private Step csvToDataBaseStep() {        return stepBuilderFactory.get("csvToDatabaseStep")                .<Person, Person>chunk(100)                .reader(csvPersonReader())                .processor(toLowerCasePersonProcessor)                .writer(dbPersonWriter)                .build();    }