登陆

<?php
session_start();
if (isset($_COOKIN["name"])) {
header("Location:../index.php");
}
else{

?>
<!DOCTYPE html>


<html lang="zh-cn">
<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<meta name="renderer" content="webkit">
<title>登录</title>
<link rel="stylesheet" href="../css/pintuer.css">
<link rel="stylesheet" href="../css/admin.css">
<script src="../js/jquery.js"></script>
<script src="../js/pintuer.js"></script>
<!-- <script type="text/javascript">
$(document).ready(function(){
$("#but").click(function(){
var name=$("#name").val();
var password=$("#password").val();
$.post("../conn/denglu.php",{'name':name,'password':password},function(data){
if (data==200) {alert(data);
window.location.href="../index.html";
}
else{
alert(data)
}

});
});
});
</script> -->

</head>
<body>
<div class="bg"></div>
<div class="container">
<div class="line bouncein">
<div class="xs6 xm4 xs3-move xm4-move">
<div style="height:150px;"></div>
<div class="media media-y margin-big-bottom">
</div>
<form action="../conn/denglu.php" method="post">
<div class="panel loginbox">
<div class="text-center margin-big padding-big-top"><h1>后台管理中心</h1></div>
<div class="panel-body" style="padding:30px; padding-bottom:10px; padding-top:10px;">
<div class="form-group">
<div class="field field-icon-right">
<input type="text" class="input input-big" name="name" id="name" placeholder="登录账号" data-validate="required:请填写账号" />
<span class="icon icon-user margin-small"></span>
</div>
</div>
<div class="form-group">
<div class="field field-icon-right">
<input type="password" class="input input-big" name="password" id="password" placeholder="登录密码" data-validate="required:请填写密码" />
<span class="icon icon-key margin-small"></span>
</div>


<div class="form-group" style="margin-top: 20px;">
<div class="field">
<input type="text" class="input input-big" name="code" placeholder="填写右侧的验证码" data-validate="required:请填写右侧的验证码" id="yan" />
<img src="../conn/yan.php" alt="" width="100" height="32" class="passcode" style="height:43px;cursor:pointer;" onclick="this.src=this.src+'?'">

</div>

</div>
<span><div><input type="checkbox" value="3600" name="z" >自动登录</div> </span>
</div>
<div style="padding:15px;margin-top: -15px;"> <a href="demo.php"><input type="submit" class="button button-block bg-main text-big input-big" value="注册" id="but"></a></div>
<div style="padding:15px;margin-top: -15px;"><input type="submit" class="button button-block bg-main text-big input-big" value="登录" id="but"></div>
</div>
</form>
</div>
</div>
</div>

</body>
</html>
<?php
}
?>

删除cookie

<?php
session_start();session_start();
unset($_SESSION["name"]);
session_destroy();
setcookie("name","",time()-1,"/");
setcookie("password","",time()-1,"/");
header("Location:../pages/login.php");//跳转页面
?>

匹配数据库中的数据进行登陆

 

<?php
session_start();
include_once("conn.php");
$name=$_POST["name"];
$password=$_POST["password"];
$time=$_POST["z"];
if (isset($_POST['time'])) {
$time==$_POST["time"];
}
$sql="SELECT * FROM user where name='$name' and password='$password'";
$r=mysqli_query($link,$sql);
$n=mysqli_num_rows($r);

if ($_POST["code"]==$_SESSION['authcode']) {
if ($n>0) {
$_SESSION["name"]=$name;
setcookie("name",$name,time()+$time,"/");
setcookie("password",$password,time()+$time,"/");
header("Location:../index.php");
}

else{
echo 201;
}
}
else{
echo "<script>alert('错误');window.location.href='../pages/login.php'</script>";
}
?>

posted @ 2017-12-25 11:21  彬斌宾  阅读(145)  评论(0)    收藏  举报