SpringBoot中還是提倡通過代碼配置而不是xml來配置
用@Configuration注解一個類，SpringBoot就會掃描到并且配置這個類。
你想要通過AOP實現(xiàn)事務(wù)可以看看我這個代碼:TransactionConfig

可以使用AOP方式

package ***;

import org.aspectj.lang.annotation.Aspect;
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.DefaultTransactionAttribute;
import org.springframework.transaction.interceptor.NameMatchTransactionAttributeSource;
import org.springframework.transaction.interceptor.TransactionInterceptor;

@Aspect
@Configuration
public class TransactionAdviceConfig {

    private static final String AOP_POINTCUT_EXPRESSION = "execution(* com.***.service..*.*(..))";

    @Autowired
    private PlatformTransactionManager transactionManager;

    @Bean
    public TransactionInterceptor txAdvice() {

        DefaultTransactionAttribute txAttr_REQUIRED = new DefaultTransactionAttribute();
        txAttr_REQUIRED.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);

        DefaultTransactionAttribute txAttr_REQUIRED_READONLY = new DefaultTransactionAttribute();
        txAttr_REQUIRED_READONLY.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);
        txAttr_REQUIRED_READONLY.setReadOnly(true);

        NameMatchTransactionAttributeSource source = new NameMatchTransactionAttributeSource();

        source.addTransactionalMethod("save*", txAttr_REQUIRED);
        source.addTransactionalMethod("delete*", txAttr_REQUIRED);
        source.addTransactionalMethod("update*", txAttr_REQUIRED);
        source.addTransactionalMethod("exec*", txAttr_REQUIRED);
        source.addTransactionalMethod("set*", txAttr_REQUIRED);
        source.addTransactionalMethod("get*", txAttr_REQUIRED_READONLY);
        source.addTransactionalMethod("query*", txAttr_REQUIRED_READONLY);
        source.addTransactionalMethod("find*", txAttr_REQUIRED_READONLY);
        source.addTransactionalMethod("list*", txAttr_REQUIRED_READONLY);
        source.addTransactionalMethod("count*", txAttr_REQUIRED_READONLY);
        source.addTransactionalMethod("is*", txAttr_REQUIRED_READONLY);

        return new TransactionInterceptor(transactionManager, source);
    }

    @Bean
    public Advisor txAdviceAdvisor() {
        AspectJExpressionPointcut pointcut = new AspectJExpressionPointcut();
        pointcut.setExpression(AOP_POINTCUT_EXPRESSION);
        return new DefaultPointcutAdvisor(pointcut, txAdvice());
    }
}