Spring 声明式事务管理----基于AspectJ的XML方式

2019-04-14 17:06发布生成海报

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使用案例代码:
#数据模型层

package com.sunline.entity;

/**
 * Account entity. @author MyEclipse Persistence Tools
 */

public class Account  implements java.io.Serializable {


    // Fields    

     private Integer id;
     private String name;
     private Double money;


    // Constructors

    /** default constructor */
    public Account() {
    }

	/** minimal constructor */
    public Account(String name) {
        this.name = name;
    }
    
    /** full constructor */
    public Account(String name, Double money) {
        this.name = name;
        this.money = money;
    }

   
    // Property accessors

    public Integer getId() {
        return this.id;
    }
    
    public void setId(Integer id) {
        this.id = id;
    }

    public String getName() {
        return this.name;
    }
    
    public void setName(String name) {
        this.name = name;
    }

    public Double getMoney() {
        return this.money;
    }
    
    public void setMoney(Double money) {
        this.money = money;
    }
   
}

#配置文件 applicationContext.xml



    
    

    
    
    
    
	
		
		
		
		
		
		
	
	
		
			
		
		
			
				
					org.hibernate.dialect.MySQLDialect
				
				
				    org.hibernate.dialect.MySQLDialect
				
                true
                true 
			
		
		
			
				com/sunline/entity/Account.hbm.xml

#数据访问层 AccountDao.java

package com.sunline.dao;

import javax.annotation.Resource;

import org.hibernate.SessionFactory;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import org.springframework.stereotype.Repository;
@Repository(value="accountDao")
public class AccountDao extends HibernateDaoSupport {
	/*
	 * 使用注解必须添加以下方式
	 */
    @Resource  
    public void setSessionFacotry(SessionFactory sessionFacotry) {  
        super.setSessionFactory(sessionFacotry);  
    }  
    
	/*
	 *  @param out	 :转出账号
	 *  @param money :转账金额
	 */
	public void outMoney(String out, double money){
		String hsql ="update Account set money = money-? where name = ?";
		System.out.println("成功转出金额!");
		this.getHibernateTemplate().bulkUpdate(hsql, new Object[]{money,out});
	}
	
	/*
	 * @param in	:转入账号
	 * @param money	:转账金额
	 */
	public void inMoney(String in, Double money) {
		String hsql = "update Account set money = money+? where name = ?";
		System.out.println("成功转入金额!");
		this.getHibernateTemplate().bulkUpdate(hsql, new Object[]{money,in});
	}
}

#业务逻辑层 AccountBiz3.java

package com.sunline.biz;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Service;

import com.sunline.dao.AccountDao;

@Service(value="accountBizThree")
public class AccountBiz3 {
	/*
	 * 转账
	 */
	@Autowired
	@Qualifier("accountDao")            //使用@Qualifier注解来说明使用哪一个实现类
    AccountDao accountDao;
	/*
	 * @param out	:转出账号
	 * @param in	:转入账号
	 * @param money	:转账金额
	 */
	public void transfer(String out, String in, Double money) {
		accountDao.outMoney(out, money);
		int i = 1/0;
		accountDao.inMoney(in, money);
	}
}

#测试类

package com.sunline.test;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.sunline.biz.AccountBiz3;

public class TestThree {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
	    ApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext.xml");	    
	    AccountBiz3 accountBiz3 = (AccountBiz3) ctx.getBean("accountBizThree");
	    accountBiz3.transfer("海哥", "杨旭", 200d);
	}

}

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