Spring Data JPA实现审计功能过程详解

<dependency>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>

package com.xxkfz.simplememory.config;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.domain.AuditorAware;
import java.util.Optional;
/**
 * @version 1.0.0
 * @ClassName SpringSecurityAuditorAware.java
 * @Description 通过实现AuditorAware<T>接口自定义获取用户信息
 */
@Configuration
public class SpringSecurityAuditorAware implements AuditorAware<String> {
    @Override
    public Optional<String> getCurrentAuditor() {
        return Optional.of("xxkfz");
    }
}

package com.xxkfz.simplememory.entity;
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;
/**
 * @ClassName SysUser.java
 * @Description TODO
 */
@Data
@EntityListeners({AuditingEntityListener.class})
@Entity
@Table(name = "t_user")
public class SysUser {
    @Id
    @Column(name = "id")
    private String id;
    @Column(name = "username")
    private String username;
    @Column(name = "password")
    private String password;
    @CreatedBy
    @Column(name = "created_by")
    private String createdBy;
    @LastModifiedBy
    @Column(name = "last_modified_by")
    private String lastModifiedBy;
    @CreatedDate
    @Column(name = "created_date")
    private Date createdDate;
    @LastModifiedDate
    @Column(name = "last_modified_date")
    private Date lastModifiedDate;
    @Column(name = "real_name")
    private String realName;
}

package com.xxkfz.simplememory.repository;
import com.xxkfz.simplememory.entity.SysUser;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
/**
 * @ClassName UserRepository.java
 * @Description JPA Repository接口实现，用于对数据库的访问
 */
@Repository
public interface UserRepository extends JpaRepository<SysUser, String> {
}

package com.xxkfz.simplememory;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
@EnableJpaAuditing
@SpringBootApplication
public class SimpleMemoryApplication {
    public static void main(String[] args) {
        SpringApplication.run(SimpleMemoryApplication.class, args);
    }
}

package com.xxkfz.simplememory.controller.system;
import cn.hutool.core.lang.UUID;
import com.xxkfz.simplememory.entity.SysUser;
import com.xxkfz.simplememory.mapper.SysOrderMapper;
import com.xxkfz.simplememory.repository.UserRepository;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
/**
 * @ClassName SysUserController.java
 * @Description TODO
 */
@RestController
@RequestMapping("/sys_user")
@Slf4j
public class SysUserController {
    @Autowired
    UserRepository userRepository;
    @GetMapping("save")
    public void save() {
        SysUser user = new SysUser();
        user.setId(UUID.fastUUID().toString());
        user.setUsername("公众号【SimpleMemory】");
        SysUser sysUser = userRepository.save(user);
        log.info("sysUser === {}", sysUser);
    }
    @GetMapping("update")
    public void update() {
        SysUser sysUser = userRepository.getById("1");
        sysUser.setUsername("admin");
        SysUser updateSysUser = userRepository.save(sysUser);
        log.info("updateSysUser === {}", updateSysUser);
    }
}