在Spring Boot中,可以使用Spring Data JPA和Hibernate来为实体类添加CreatedDate、LastModifiedDate、CreatedBy和LastModifiedBy字段,并支持UTC时区。
首先,需要在实体类中添加相应的字段,并使用注解进行配置。具体步骤如下:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
import org.springframework.data.annotation.CreatedDate;
import org.springframework.data.annotation.LastModifiedDate;
import org.springframework.data.annotation.CreatedBy;
import org.springframework.data.annotation.LastModifiedBy;
import javax.persistence.*;
@Entity
public class YourEntity {
// 其他字段...
@CreatedDate
@Column(nullable = false, updatable = false)
private LocalDateTime createdDate;
@LastModifiedDate
@Column(nullable = false)
private LocalDateTime lastModifiedDate;
@CreatedBy
@Column(nullable = false, updatable = false)
private String createdBy;
@LastModifiedBy
@Column(nullable = false)
private String lastModifiedBy;
// Getter和Setter方法...
}
spring.jpa.properties.hibernate.jdbc.time_zone=UTC
import org.springframework.data.domain.AuditorAware;
import java.util.Optional;
public class AuditorAwareImpl implements AuditorAware<String> {
@Override
public Optional<String> getCurrentAuditor() {
// 返回当前用户的用户名或ID
// 可以根据实际情况从认证信息中获取
return Optional.of("当前用户");
}
}
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.domain.AuditorAware;
import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
@Configuration
@EnableJpaAuditing(auditorAwareRef = "auditorAware")
public class JpaConfig {
@Bean
public AuditorAware<String> auditorAware() {
return new AuditorAwareImpl();
}
}
现在,你的实体类就已经添加了CreatedDate、LastModifiedDate、CreatedBy和LastModifiedBy字段,并支持UTC时区。当你保存实体时,这些字段将自动填充和更新。
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