rollback.java

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package com.yourcompany.struts;
import java.sql.SQLException;

import com.yourcompany.struts.UserManger;
public class RollBack {
	private UserManger usermanger=new UserManger();
	public void RollBackaddUser(String userName){
		String user;
		user = userName;
		usermanger.delUser(user);
	}
	public void RollBackdelUser(String userName,String password){
		String user;
		String pwd;
		user=userName;
		pwd=password;
		usermanger.addUser(user, pwd);		
	}
	public void RollBackUpdate(String preuserName,String prepassword,String preroke){
		String userName,password,roke;
		userName=preuserName;
		password=prepassword;
		roke=preroke;
		usermanger.updateUser(userName, password, roke);
	}	
}