public int getTotleCount() {?? ??? ?conn = getConnection();?? ??? ?String sql ="select count(*) from tb_message where mstate =0";?? ??? ?try {?? ??? ??? ?pstmt = conn.prepareStatement(sql);?? ??? ??? ?rs = executeQuery(pstmt, null);?? ??? ??? ?if(rs.next()){?? ??? ??? ??? ?return rs.getInt(1);?? ??? ??? ?}?? ??? ?} catch (SQLException e) {?? ??? ??? ?// TODO Auto-generated catch block?? ??? ??? ?e.printStackTrace();?? ??? ?}finally{?? ??? ??? ?closeAll(conn, stmt, pstmt, rs);?? ??? ?}?? ??? ?return 0;?? ?}
我用加粗和下劃線標(biāo)注的兩行代碼是什么意思?。?、
一抹笑清風(fēng)
2016-06-10 16:20:32
