php用户密码修改的代码

2. @session_start();
3. require_once("../inc/ring_admin.php");
4. require_once("../../inc/connect.php");
5. require_once("../../admin/inc/function.php");
6. ring_login();
7. $pwd = get_value('pwd','post');
8. $pwd2 = get_value('pwd2','post');
9. $pwd3 = get_value('pwd3','post');
10. $sql = "select * from gx_member where m_pwd='".md5($pwd)."' and m_name='".$_SESSION['uid']."'";
12. if( $pwd2!=$pwd3 || strlen( $pwd2)12 ){
13. alert('两次输入的新密码不正确,请重新输入!','');
14. }else{
15. if(mysql_num_rows( mysql_query($sql) ) ){
16. $sql="Update gx_member set m_pwd='".md5($pwd2)."' where m_name='".$_SESSION['uid']."'";
17. mysql_query($sql) or die(mysql_error());
18. alert('密码修改成功!','');
19. }else{
20. alert('旧密码不正确,请重新输入!','');
21. }
22. }
23. ?>

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