public static   <T> List<T> simpleFind(String sql,ResultSetBeanMapping<T> mapping)
			throws SQLException{
		Connection con = null;
		Statement smt = null;
		try {
			con = DBManager.getConnection();
			smt = con.createStatement();
			ResultSet rs = smt.executeQuery(sql);
			List<T> list = new ArrayList<T>();
			while(rs.next()){
				T bean = mapping.createFormResultSet(rs);
				list.add(bean);
			}
			return list;
		} finally {
			if(smt != null){
				try {
					smt.close();
				} catch (SQLException ignore) {}
			}
			if(con != null){
				try {
					con.close();
				} catch (SQLException ignore) {}
			}
		}
	}