php 用户登录代码

WBOY원래의: 2016-05-25 16:42:45967검색

<?php
error_reporting(0);
if (isset($_post[&#39;post&#39;]) && $_post[&#39;post&#39;] == "1") {
    $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>";
    }
} else {
?>
<html> 
<body> 
<form name="login" action="login.php" method=post> 
<input type=hidden name="post" value=1> 
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>   
<?php
}
?>

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이전 기사：php 数字型转换成字符型方法 다음 기사：网页登录中实现记住用户名和密码的功能

php 用户登录代码

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