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PHP method to implement crypt encryption of user registration password

墨辰丷Original: 2018-05-21 17:44:011753browse

This article mainly introduces php to implement crypt encryption of user registration passwords in detail. It has certain reference value. Interested friends can refer to it

1. Code

1, conn.php

<?php 
  $conn = mysql_connect("localhost", "root", "111") or die("连接数据库服务器失败！".mysql_error()); //连接MySQL服务器 
  mysql_select_db("db_database21",$conn);     //选择数据库db_database21 
  mysql_query("set names utf8");           //设置数据库编码格式utf8 
?>

2, index.php

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<title>用户注册</title> 
<style type="text/css"> 
<!-- 
body,td,th { 
  font-size: 12px; 
} 
--> 
</style></head> 
<body> 
<form id="form1" name="form1" method="post" action="index_ok.php"> 
 <fieldset style="width:500px"><legend style="font-size:16px">用户注册</legend><table width="300" border="0" align="center"> 
  <tr> 
   <td width="77" align="right">用户名：</td> 
   <td width="213"><input name="user" type="text" id="user" size="24" /></td> 
  </tr> 
  <tr> 
   <td align="right">密码：</td> 
   <td><input name="pwd" type="password" id="pwd" size="25" /></td> 
  </tr> 
  <tr> 
   <td> </td> 
   <td><input type="submit" name="sub" value="注册" /> 
     <input type="reset" name="res" value="重置" /></td> 
  </tr> 
 </table></fieldset> 
</form> 
</body> 
</html>

3. index_ok.php

<?php 
  header("content-type:text/html;charset=utf-8"); //加载头信息 
  include("conn/conn.php");//包含数据库连接文件 
  if(trim($_POST[&#39;user&#39;])!= "" and trim($_POST[&#39;pwd&#39;])!= ""){//判断输入是否为空 
    $pwd = crypt($_POST[&#39;pwd&#39;],"key");//对输入的密码进行crypt加密 
    $sql = "insert into tb_user(username,password)values(&#39;".$_POST[user]."&#39;,&#39;". $pwd."&#39;)";//定义sql语句 
    $result = mysql_query($sql,$conn);//执行sql语句 
    if($result){ 
      echo "<font color=&#39;red&#39;>注册成功。</font>";//如果结果为真提示注册成功 
    }else{ 
      echo "<font color=&#39;green&#39;>注册失败!</font>";//否则提示注册失败 
    } 
  }else{ 
    echo "请认真填写用户名和密码！";//提示输入用户名和密码 
  } 
?>

2. Running results

After successful registration, the database displays as follows:

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php password encryption example using crypt when registering

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