从数据库中获取值

//调用Basedao方法从数据库中获取值
private User findUserByUserName(String uname) {
User user = null;
//准备SQL语句
String sql = “SELECT * from ubb_user where userName = ?”;
//使用集合
List params = new ArrayList();
//
params.add(uname);
//调用方法查询值
user = (User) BaseDao.queryRow(sql, params, User.class) ;

	return user;
}