php根据问题取回密码功能的实现代码

第二步：

9. require_once ('conn.php');
11. $sql = "select * from member where username='$_POST[username]'";
12. $result =mysql_query($sql,$conn);
13. if ($rs =mysql_fetch_array($result)){
15. ?>
17. }else{
18. echo ""; //用javascript脚本提示用户;
19. }
20. ?>

第三步

9. require_once ('conn.php');
10. $sql = "select * from member where id=$_POST[id]";
11. $result =mysql_query($sql,$conn);
12. $rs =mysql_fetch_array($result);
13. ?>
14. 
    
15. 恭喜您,您的密码以找回,请您紧记,切勿忘记!