php验证登录

<html>
<head>
<title></title>
<meta charset="utf-8">
</head>
<body>
<?php
if(@$_POST["submit"]){
$zh = $_POST["zh"];//获得输入框里的值
$mm = $_POST["mm"];//获得输入框里的值

$coon = mysql_connect("localhost","root","") or die("连接数据失败,请检查网络后重试!");
mysql_select_db("test");
mysql_query("set names 'utf8'");

$sql = "select count(*) from table where 'phones'='$zh' and 'mm'='$mm'";//查询用户输入的值 数据库是否有
$result = mysql_query($sql);
if($result[0]){
echo "欢迎您nolhnoihnjionhoiknhohno";
}else{
echo "该用户名不存在!返回<a href='zhuce.php'>注册</a>";
}

}

?>
</body>
</html>

原文地址:https://www.cnblogs.com/ZH1132672711/p/3726775.html