关于springdatajpa 注解@CreatedBy@LastModifiedBy@Version@LastModifiedDate的使用
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关于springdatajpa 注解@CreatedBy@LastModifiedBy@Version@LastModifiedDate的使用
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1.pom.xml的文件
<parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>1.2.7.RELEASE</version></parent> <dependencies><dependency><groupId>business-base</groupId><artifactId>li-common</artifactId></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>5.1.38</version></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-data-jpa</artifactId></dependency></dependencies>2.配置代碼
@Configuration @EnableJpaAuditing public class AuditingConfig {@Beanpublic AuditorAware<String> auditorProvider() {return new DefaultAuditorAwareImpl();}} public class DefaultAuditorAwareImpl implements AuditorAware<String> {@Overridepublic String getCurrentAuditor() {//此處應(yīng)該返回當(dāng)前登錄的用戶(hù)的名,可以使用 private static final ThreadLocal<AuthContext> contextHolder = new InheritableThreadLocal<AuthContext>();等線(xiàn)程方法 將登錄用戶(hù)存入//return null;}}3.抽象模型類(lèi)
@MappedSuperclass public abstract class AbstractModel extends AbstractPersistable<Long> {private static final long serialVersionUID = 7205853521241442700L;// TODO 需要實(shí)現(xiàn)集群化的ID生成機(jī)制 } @MappedSuperclass @EntityListeners(AuditingEntityListener.class) public abstract class AbstractAuditModel extends AbstractModel {private static final long serialVersionUID = -8388269103763562978L;@CreatedByprivate String createdBy;@Temporal(TemporalType.TIMESTAMP)@CreatedDateprivate Date createdDate;@LastModifiedByprivate String lastModifiedBy;@Temporal(TemporalType.TIMESTAMP)@LastModifiedDateprivate Date lastModifiedDate;@Versionprivate long version;public String getCreatedBy() {return this.createdBy;}public void setCreatedBy(final String createdBy) {this.createdBy = createdBy;}public Date getCreatedDate() {return this.createdDate;}public void setCreatedDate(final Date createdDate) {this.createdDate = createdDate;}public String getLastModifiedBy() {return this.lastModifiedBy;}public void setLastModifiedBy(final String lastModifiedBy) {this.lastModifiedBy = lastModifiedBy;}public Date getLastModifiedDate() {return this.lastModifiedDate;}public void setLastModifiedDate(final Date lastModifiedDate) {this.lastModifiedDate = lastModifiedDate;}public long getVersion() {return this.version;}public void setVersion(final long version) {this.version = version;} }總結(jié)
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