Login.php
Código 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>Documento sin título</title>
<link href="estilos.css" type="text/css" rel="stylesheet" />
<script type="text/javascript" language="javascript" src="funciones.js"></script>
</head>
<body>
<h1>Comprobar el Registro</h1>
<center>
<form method="post" action="" name="form">
<table border="0">
<tr>
<th colspan="2">Registrado?</th>
</tr>
<tr>
<td width="100" height="50">Usuario</td><td width="165"><input type="text" name="user" /></td>
</tr>
<tr>
<td width="100" height="50">Password</td><td><input type="password" name="pass" /></td>
</tr>
<tr>
<td width="50" colspan="2">¿Olvidaste tu contraseña?
<input type="submit" name="login" value="Log-in" style="float:right;" onclick="validar()"/></td>
</tr>
</table>
</form>
<?php
require_once('class.php');
$Bd= new Bd('sm','root','');
if(isset($_POST["login"]) && $_POST["login"]=="Log-in"){
$log= new Login();
$log->registrado($_POST["user"],$_POST["pass"]);
}
?>
</center>
</body>
</html>
-----------------------
estilos.css
Código :
/*** Estilos de login.php ***/
body{
background:#C96;
padding:7px;
font: bold 15px "Palatino Linotype", "Book Antiqua", Palatino, serif;
}
table{
background:#96F;
border-radius:7px;
}
td{
text-align:center;
}
---------------------------
funciones.js
Código Javascript :
function validar(){
var form = document.form;
if(form.user.value==0){
alert("ingrese su nombre");
form.user.value="";
form.user.focus();
return false;
}
if(form.pass.value==0){
alert("ingrese su password");
form.pass.value="";
form.pass.focus();
return false;
}
form.submit();
}
-------------------------------------
class.php
Código PHP :
<?php
class Bd{
private $bd;
private $bduser;
private $bdpass;
public function __construct($nombrebd,$bdusuario,$bdpassword){
$this->bdpass=$bdpassword;
$this->bduser=$bdusuario;
$this->bd=$nombrebd;
mysql_connect('localhost',$bdusuario,$bdpassword)or die('No te conectaste :(');
mysql_select_db($nombrebd)or die('no existe la base de datos');
}
}
class Login{
private $user;
private $pass;
public function registrado($usuario,$password){
$this->user=$usuario;
$this->pass=$password;
$sql="SELECT *
FROM lista
WHERE user='".$usuario."'
AND pass='".$password."'";
$query=mysql_query($sql);
$con="0";
while($filas=mysql_fetch_array($query)){
$con++;
}
if($con=="0"){
echo "Usuario no Registrado<br>";
echo "<a href='registro.php'>Registrarme!!!</a>";
}else{
echo "Aquél Usuario está Registrado!!";
}
}
}
?>
Código MySQL :
CREATE DATABASE sm; USE sm; CREATE TABLE `lista` ( `id` int(11) NOT NULL AUTO_INCREMENT, `user` varchar(50) CHARACTER SET utf8 COLLATE utf8_spanish_ci NOT NULL, `pass` varchar(50) COLLATE utf8_unicode_ci NOT NULL, `email` varchar(50) CHARACTER SET utf8 COLLATE utf8_spanish_ci NOT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci; INSERT INTO `lista` VALUES (1,'Juan','hola','[email protected]'); INSERT INTO `lista` VALUES (2,'fito','1234','[email protected]');
Haber si me dicen que puedo mejorar, aunque no crean me esforcé
