transactionmanager.java

通过这个例子

package test;

public class TransactionManager 
{
	public void begin()
	{
		System.out.println("事务开始");
	}
	public void end()
	{
		System.out.println("事务结束");
	}
	public void rollback()
	{
		System.out.println("事务回滚");
	}
}