基于SpringData的AuditorAware审计功能的示例代码

Spring Data提供支持审计功能：即由谁在什么时候创建或修改实体。Spring Data提供了在实体类的属性上增加@CreatedBy，@LastModifiedBy，@CreatedDate，@LastModifiedDate注解，并配置相应的配置项，即可实现审计功能，有系统自动记录 createdBy CreatedDate lastModifiedBy lastModifiedDate 四个属性的值，下面为具体的配置项。

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示例

创建一个实体类

package com.hfcsbc.infrastructureservice.domain;

import com.hfcsbc.repository.support.domain.AbstractAuditingEntity;
import lombok.Data;
import org.springframework.data.annotation.CreatedBy;
import org.springframework.data.annotation.CreatedDate;
import org.springframework.data.annotation.LastModifiedBy;
import org.springframework.data.annotation.LastModifiedDate;
import org.springframework.data.jpa.domain.support.AuditingEntityListener;

import javax.persistence.*;
import java.util.Date;

/**
 * Create by pengchao on 2018/3/7
 */
@Entity
@Data
@EntityListeners({AuditingEntityListener.class})
public class Person {
  @Id
  @GeneratedValue
  private Long id;

  private String name;

  private Integer age;
  @CreatedBy
  @Column(
      name = "created_by",
      nullable = false,
      length = 50,
      updatable = false
  )
  private String createdBy;
  @CreatedDate
  @Column(
      name = "created_date",
      nullable = false,
      updatable = false
  )
  private Date createdDate = new Date();
  @LastModifiedBy
  @Column(
      name = "last_modified_by",
      length = 50
  )
  private String lastModifiedBy;
  @LastModifiedDate
  @Column(
      name = "last_modified_date"
  )
  private Date lastModifiedDate = new Date();
}

创建相应的Repository

package com.hfcsbc.repository;

import com.hfcsbc.domain.Person;
import org.springframework.data.jpa.repository.JpaRepository;

/**
 * Create by pengchao on 2018/3/7
 */
public interface PersonRepository extends JpaRepository {
}

配置获取用户信息的bean

package com.hfcsbc.infrastructureservice.config;

import org.springframework.data.domain.AuditorAware;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Component;

import java.util.Optional;

/**
 * Create by pengchao on 2018/3/7
 */
@Component("auditorAware")
public class AuditorAwareImpl implements AuditorAware {

  @Override
  public Optional getCurrentAuditor() {
    Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
    return Optional.of(authentication.getPrincipal().toString());
  }
}

在Spring Boot入口类开启审计功能

package com.hfcsbc.infrastructureservice;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
import org.springframework.scheduling.annotation.EnableAsync;

@SpringBootApplication
@EnableJpaAuditing(auditorAwareRef = "auditorAware")
@EnableAsync
public class PersonApplication {

  
  public static void main(String[] args) {
    SpringApplication.run(PersonApplication.class, args);
  }
}

即完成配置，在使用 repository 保存对象时， createdBy CreatedDate lastModifiedBy lastModifiedDate 有审计功能自动插入

注：在异步方法中如何获取用户信息

由于在异步方法中使用repository保存对象，获取不到用户用户信息，需增加如下配置项，即可在Authentication获取用户的信息

package com.hfcsbc.config;

import org.springframework.beans.factory.config.MethodInvokingFactoryBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.core.context.SecurityContextHolder;

/**
 * Create by pengchao on 2018/3/7
 */
@Configuration
public class AuditorAwareConfig {
  @Bean
  public MethodInvokingFactoryBean methodInvokingFactoryBean() {
    MethodInvokingFactoryBean methodInvokingFactoryBean = new MethodInvokingFactoryBean();
    methodInvokingFactoryBean.setTargetClass(SecurityContextHolder.class);
    methodInvokingFactoryBean.setTargetMethod("setStrategyName");
    methodInvokingFactoryBean.setArguments(new String[]{SecurityContextHolder.MODE_INHERITABLETHREADLOCAL});
    return methodInvokingFactoryBean;
  }
}

SecurityContextHolder的主要功能是将当前执行的进程和SecurityContext关联起来。

SecurityContextHolder.MODE_INHERITABLETHREADLOCAL ：用于线程有父子关系的情景中，子线程集成父线程的SecurityContextHolder；

SecurityContextHolder.MODE_INHERITABLETHREADLOCAL ：全局共用SecurityContextHolder。

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持创新互联。

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基于SpringData的AuditorAware审计功能的示例代码

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