spring基于xml的声明式事务控制

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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="
        http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop.xsd">
    <!--配置业务层-->
    <bean id="accountService" class="com.hope.service.impl.AccountServiceImpl">
        <property name="accountDao" ref="accountDao"></property>
    </bean>
    <!--配置持久层bean-->
    <bean id="accountDao" class="com.hope.dao.impl.AccountDaoImpl">
        <property name="dataSource" ref="dataSource"></property>
    </bean>

    <!--数据源-->
    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://localhost:3306/easy"/>
        <property name="username" value="root"/>
        <property name="password" value="123"/>
    </bean>

    <!--配置事务-->
    <!--配置事务管理器-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"></property>
    </bean>
    <!--配置通知-->
   <tx:advice id="txAdvice" transaction-manager="transactionManager">
       <tx:attributes>
           <tx:method name="*" read-only="false" propagation="REQUIRED"/>
           <tx:method name="find*" read-only="true" propagation="SUPPORTS"/>
       </tx:attributes>
   </tx:advice>
    <!--配置aop-->
    <aop:config>
        <!--配置切入点表达式-->
        <aop:pointcut id="pt" expression="execution(* com.hope.service.impl.*.*(..))"></aop:pointcut>
        <!--建立切入点表达式和通知之间的关联-->
        <aop:advisor advice-ref="txAdvice" pointcut-ref="pt"></aop:advisor>
    </aop:config>

</beans>

package com.hope.service.impl;

import com.hope.dao.IAccountDao;
import com.hope.domain.Account;
import com.hope.service.IAccountService;
import org.springframework.beans.factory.annotation.Autowired;

/**
 * @author newcityman
 * @date 2019/11/20 - 16:45
 */

public class AccountServiceImpl implements IAccountService {

    private IAccountDao accountDao;

    public void setAccountDao(IAccountDao accountDao) {

        this.accountDao = accountDao;
    }


    public Account findAccountById(Integer accountId) {
       return  accountDao.findAccountById(accountId);

    }

    public void transfer(String sourceName, String targetName, Float money) {
        Account source = accountDao.findAccountByName(sourceName);
        Account targe = accountDao.findAccountByName(targetName);
        source.setMoney(source.getMoney() - money);
        targe.setMoney(targe.getMoney() + money);
        accountDao.updateAccount(source);
        int i = 1 / 0;
        accountDao.updateAccount(targe);
    }

}

package com.hope.dao.impl;

import com.hope.dao.IAccountDao;
import com.hope.domain.Account;

import org.springframework.jdbc.core.BeanPropertyRowMapper;
import org.springframework.jdbc.core.support.JdbcDaoSupport;
import java.util.List;

/**
 * @author newcityman
 * @date 2019/11/23 - 23:38
 */

public class AccountDaoImpl extends JdbcDaoSupport implements IAccountDao{

    public Account findAccountById(int id) {
        List<Account> accounts =getJdbcTemplate().query("select * from account where id=?", new BeanPropertyRowMapper<Account>(Account.class),id);
        return (accounts==null)?null:accounts.get(0);

    }

    public Account findAccountByName(String username) {
        List<Account> accounts = getJdbcTemplate().query("select * from account where name=?", new BeanPropertyRowMapper<Account>(Account.class),username);
        if(accounts==null){
            return null;
        }
        if(accounts.size()>1){
            throw  new RuntimeException("结果不唯一，无法定位唯一的结果");
        }
        return accounts.get(0);
    }

    public void updateAccount(Account account) {
        getJdbcTemplate().update("update account set name=?,money=? where id=?",account.getName(),account.getMoney(),account.getId());

    }


}

spring基于xml的声明式事务控制

标签：pac   ntb   driver   framework   float   name   ntc   return   HERE   

原文地址：https://www.cnblogs.com/newcityboy/p/11926981.html