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;

}