Springboot通过Aop配置事务，支持PROPAGATION_REQUIRES_NEW

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.springframework.aop.Advisor;
import org.springframework.aop.aspectj.AspectJExpressionPointcut;
import org.springframework.aop.support.DefaultPointcutAdvisor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.interceptor.NameMatchTransactionAttributeSource;
import org.springframework.transaction.interceptor.RollbackRuleAttribute;
import org.springframework.transaction.interceptor.RuleBasedTransactionAttribute;
import org.springframework.transaction.interceptor.TransactionAttribute;
import org.springframework.transaction.interceptor.TransactionInterceptor;

/**
 *置全局事务，拦截service包下面所有方法
 * AOP术语：通知（Advice）、连接点（Joinpoint）、切入点（Pointcut)、切面（Aspect）、目标(Target)、代理(Proxy)、织入（Weaving）
 */
@Configuration
public class TransactionManagerConfig {
    /*定义切点变量：拦截test.spring包下所有类的所有方法,返回值类型任意的方法*/
    private static final String AOP_POINTCUT_EXPRESSION="execution (* com.spring.service..*(..))";
    @Autowired
    private PlatformTransactionManager transactionManager;
    
    /**
     * @description springBoot事务配置
     */
    @Bean
    public TransactionInterceptor TxAdvice(){
        /*事务管理规则，声明具备事务管理的方法名*/
        NameMatchTransactionAttributeSource source=new NameMatchTransactionAttributeSource();
        /*只读事物、不做更新删除等*/
        /*当前存在事务就用当前的事务，当前不存在事务就创建一个新的事务*/
        RuleBasedTransactionAttribute readOnlyRule=new RuleBasedTransactionAttribute();
        /*设置当前事务是否为只读事务，true为只读*/
        readOnlyRule.setReadOnly(true);
        /* transactiondefinition 定义事务的隔离级别；
         * PROPAGATION_NOT_SUPPORTED事务传播级别5，以非事务运行，如果当前存在事务，则把当前事务挂起*/
        readOnlyRule.setPropagationBehavior(TransactionDefinition.PROPAGATION_NOT_SUPPORTED);
        
        RuleBasedTransactionAttribute requireRule=new RuleBasedTransactionAttribute();
        /*抛出异常后执行切点回滚*/
        requireRule.setRollbackRules(Collections.singletonList(new RollbackRuleAttribute(Exception.class)));
        /*PROPAGATION_REQUIRED:事务隔离性为1，若当前存在事务，则加入该事务；如果当前没有事务，则创建一个新的事务。这是默认值。 */
        requireRule.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);

//当前存在事务挂起当前事务，创建一个新的事务

RuleBasedTransactionAttribute requiredNewTx = new RuleBasedTransactionAttribute(); requiredNewTx.setRollbackRules( Collections.singletonList(new RollbackRuleAttribute(Exception.class))); requiredNewTx.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);

        Map txMap=new HashMap<>();
        
        txMap.put("add*",requireRule);
        txMap.put("save*", requireRule);
        txMap.put("insert*",requireRule);
        txMap.put("update*",requireRule);
        txMap.put("delete*",requireRule);
        txMap.put("remove*",requireRule);
        
        txMap.put("get*",readOnlyRule);
        txMap.put("query*", readOnlyRule);
        txMap.put("find*", readOnlyRule);
        txMap.put("select*",readOnlyRule);

        txMap.put("newInsert*",requiredNewTx);
        source.setNameMap(txMap);
        TransactionInterceptor txAdvice=new TransactionInterceptor(transactionManager, source);
        return txAdvice;
    }
    
    /**
     * 
     * @description 利用AspectJExpressionPointcut设置切面=切点+通知（写成内部bean的方式）
     * 
     */
    @Bean
    public Advisor txAdviceAdvisor(){
        AspectJExpressionPointcut pointcut=new AspectJExpressionPointcut();
        /*声明和设置需要拦截的方法,用切点语言描写*/
        pointcut.setExpression(AOP_POINTCUT_EXPRESSION);
        /*设置切面=切点pointcut+通知TxAdvice*/
        return new DefaultPointcutAdvisor(pointcut, TxAdvice());
    }
}

1、对应事务回滚，记录日志的，需要重开事务，需要用到PROPAGATION_REQUIRES_NEW

使用方法：将日志写在B中，服务A中调用服务B的newInsert开头的方法。

详细信息可了解：https://www.cnblogs.com/kaleidoscope/p/9467192.html