public static int count(String txyl_table) {// 获取用户数量 int i = 0;// Store_Information Connection con = DB.getConnnection(); try { Statement stmt = con.createStatement(); ResultSet rset = stmt.executeQuery("select count(*)as totalCount from "+ txyl_table); if(rset.next()) { i=rset .getInt("totalCount"); } } catch (Exception e) { System.err.println("你确定你没有输错表明么???"); e.printStackTrace(); } finally { DB.closeConn(con); } System.out.println(i); return i; }