/** * 获取ResultSet集合查询出的字段名称 * @return */ public List<String> getColumnName(){ Connection conn = null; PreparedStatement ps = null; ResultSet rs = null; List<String> cols = new ArrayList<String>(); try { conn = DBHelper.getConn(); ps = conn.prepareStatement("select * from tableName"); rs = ps.executeQuery(); ResultSetMetaData rsmd = rs.getMetaData(); for (int i = 1; i < rsmd.getColumnCount() + 1; i++) { String columnName = rsmd.getColumnName(i).toLowerCase(); cols.add(columnName); } } catch (Exception e) { throw new WAFException(e); } finally { DBHelper.close(conn, ps, rs); } return cols; }
获取ResultSet集合查询出的字段名称
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