使用JPA 2.1，您应该能够做到。
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Index;
import javax.persistence.Table;
@Entity
@Table(name = "region",
indexes = {@Index(name = "my_index_name", columnList="iso_code", unique = true),
@Index(name = "my_index_name2", columnList="name", unique = false)})
public class Region{
@Column(name = "iso_code", nullable = false)
private String isoCode;
@Column(name = "name", nullable = false)
private String name;
}
：如果您需要使用两个或更多列创建和索引，则可以使用逗号。例如：
@Entity
@Table(name = "company__activity",
indexes = {@Index(name = "i_company_activity", columnList = "activity_id,company_id")})
public class CompanyActivity{
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