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php+mysql实现用户注册登陆的方法

PHPzOriginal: 2016-05-31 13:18:323155browse

本文实例讲述了php+mysql实现用户注册登陆的方法。分享给大家供大家参考。具体分析如下：

这是一款利用php与mysql数据库实现的用户注册与登录代码,功能也是比较简单实用的用户注册程序,同时也加了用户登录时验证码程序,这样做就安全了很多,代码如下:

<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd"> 
<html xmlns="http://www.bitsCN.com/1999/xhtml"> 
<head> 
<meta http-equiv="content-type" content="text/html; charset=gb2312" /> 
<title>在后台增加用户</title> 
</head> 
 
<body> 
 
<?php  
 require_once("config.php"); 
   if(isset($_post["submit2"])){ 
   mysql_select_db(&#39;a0807000225&#39;); //这个是数据库表 
   $author=$_session["user_name"]; 
   define(all_ps,"jinquan"); 
   echo $username=$_post["username"]; 
   echo $password=md5($password=$_post["password"].all_ps); 
   echo "</br>"; 
   if($username){ 
   if($password){ 
      $str = "insert into `dx_user_list` ( `uid` , `m_id` , `username` , `password` ) values (ascii( null ) , &#39;1&#39;, &#39;$username&#39;, &#39;$password&#39;);"; 
   $rs=mysql_query($str,$conn); 
   mysql_close($conn); 
  }
  if($rs){ 
    echo"<script>alert(&#39;新增成功&#39;);location.href=&#39;yonghuzc.php&#39;</script>"; 
    }else{ 
    echo"<script>alert(&#39;新增失败&#39;);location.href=&#39;&#39;yonghuzc.php&#39;</script>"; 
    } 
  } 
 } 
?>

希望本文所述对大家的php程序设计有所帮助,更多php编程入门请关注php中文网。

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