Home > Article > php教程 > php用户登录实例教程代码

php用户登录实例教程代码

WBOYOriginal: 2016-05-25 16:42:38848browse

这是一款非常简单的php mysql用户登录代码,适合初学者,希望本文章对各位同学会带来帮助,代码如下:

<?php
error_reporting(0);
$mysql_servername = "localhost";
$mysql_username = "root";
$mysql_password = "";
$mysql_database = "peng";
mysql_connect($mysql_servername, $mysql_username, $mysql_password);
mysql_select_db($mysql_database);
$name = $_post[&#39;name&#39;];
$passowrd = $_post[&#39;password&#39;];
if ($name && $passowrd) {
    $sql = "select * from liuyanban where name = &#39;$name&#39; and password=&#39;$passowrd&#39;";
    $res = mysql_query($sql);
    $rows = mysql_num_rows($res);
    if ($rows) {
        header("refresh:0;url=a.htm");
        exit;
    }
    echo "<script language=javascript>alert(&#39;用户名密码错误&#39;);history.back();</script>";
} else {
    echo "<script language=javascript>alert(&#39;用户名密码不能为空&#39;);history.back();</script>";
}
?>
//以下login.htm内容 
 
<html> 
<body> 
<form name="login" action="login.php" method=post> 
用户名<input type=text name="name"> 
<p>密码<input type=password name="password"> 
<p> 
<input name="log" type=submit value="登录"> 
</form> 
</body> 
</html>

文章地址:

转载随意^^请带上本文地址!

Statement：

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Previous article：php导出数据到csv文件 Next article：php 缓存技术

See more

php用户登录实例教程代码

Related articles