将ResultSet 转换成Map

private static Map<String, String> getResultMap(ResultSet rs)
			throws SQLException {
		Map<String, String> hm = new HashMap<String, String>();
		ResultSetMetaData rsmd = rs.getMetaData();
		int count = rsmd.getColumnCount();
		for (int i = 1; i <= count; i++) {
			String key = rsmd.getColumnLabel(i);
			String value = rs.getString(i);
			hm.put(key, value);
		}
		return hm;
}