String s="select * from huo";
        PreparedStatement st = null;
         st = db.getCoon().prepareStatement(s);
         ResultSet rs = st.executeQuery();
        while(rs.next())
        {
            String name = rs.getString(1);
            out.println("<tr><td>"+rs.getString(1)+"</td>");
            out.println("<td>"+rs.getString(2)+"</td>");
            out.println("<td>"+rs.getString(3)+"</td>");
            out.println("<td><a href='update1.jsp?name="+name+"'>更新</a>&nbsp;<a href='del1?name="+name+"'>删除</a></td></tr>");
        }
        rs.close();