......
if (rs.next())
{    
    String logname = rs.getString("logname");
    String sex = rs.getString("sex"); 
    String age = rs.getString("age");
    String email =rs.getString("email");
    out.println("<tr>");
    out.println("<td align=center>"+logname+"</td>");
    out.println("<td align=center>"+sex+"</td>");
    out.println("<td align=center>"+age+"</td>");
    out.println("<td align=center>"+email+"</td>");
    out.println("<td align=\"center\">添加好友</td>");
    out.println("</tr>");
} 
......