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How does php crypt implement encryption of user registration passwords?
How does php crypt implement encryption of user registration passwords?
The example of this article shares the encryption of phpuser registration password for your reference. The specific content is as follows
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($_POST['user'])!= "" and trim($_POST['pwd'])!= ""){//判断输入是否为空
$pwd = crypt($_POST['pwd'],"key");//对输入的密码进行crypt加密
$sql = "insert into tb_user(username,password)values('".$_POST[user]."','". $pwd."')";//定义sql语句
$result = mysql_query($sql,$conn);//执行sql语句
if($result){
echo "<font color='red'>注册成功。</font>";//如果结果为真提示注册成功
}else{
echo "<font color='green'>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
}
?>二、 Running results
After successful registration, the database displays as follows:
The above is the detailed content of How does php crypt implement encryption of user registration passwords?. For more information, please follow other related articles on the PHP Chinese website!
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