php實現登陸與註冊的案例-php教程-PHP中文網

首頁

後端開發

php教程

php實現登陸與註冊的案例

黄舟

Oct 26, 2017 am 09:27 AM

php案例註冊

註冊介面

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="conduct.php" method="post">
    <input type="text" name="name" placeholder="用户名">
    <input type="password" name="dw" placeholder="密码">
    <input type="submit" value="提交">
</form>
</body>
</html>

註冊處理介面

<?php

$name = $_POST[&#39;name&#39;];
$dw = md5($_POST[&#39;dw&#39;]);
require_once "../ZY/YIN.class.php";
$db = new YIN();
$obj = "select count(*) from zc WHERE uname = &#39;{$name}&#39;";
$data = $db->StrQuery($obj);
//var_dump($data);
if ($data!=&#39;0&#39;){
    exit("用户名重复");
}else{
    $sql = "insert into zc VALUES (NULL,&#39;{$name}&#39;,&#39;{$dw}&#39;,&#39;&#39;)";
    $data = $db->Query($sql,0);
    echo "注册成功";
}

登陸介面

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form method="post" action="dlcl.php">
    <input type="text" name="uname" placeholder="用户名">
    <input type="password" name="m" placeholder="密码">
    <input type="submit" value="登陆">
</form>

</body>
</html>

登陸處理

<?php
$name = $_POST[&#39;uname&#39;];
$m = $_POST[&#39;m&#39;];//var_dump($_POST);require_once "YIN.class.php";$db = new YIN();
$obj = "select count(*) from zc WHERE uname = &#39;{$name}&#39;";
$data = $db->StrQuery($obj,1);
//var_dump($data);
if ($data != "0" ){//    
echo "成功";
$obj_m = "select count(*) from zc WHERE pad = &#39;{$m}&#39;";
$data_m = $db->StrQuery($obj_m,1);
if ($data_m!="0"){//    var_dump($data_m);
    echo "登陆成功";
}else{    header("location:denglu.php");
}
}else{    header("location:denglu.php");
}?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

</body>
</html>

以上是php實現登陸與註冊的案例的詳細內容。更多資訊請關注PHP中文網其他相關文章！

陳述

本文內容由網友自願投稿，版權歸原作者所有。本站不承擔相應的法律責任。如發現涉嫌抄襲或侵權的內容，請聯絡admin@php.cn

PHP如何識別用戶的會話？May 01, 2025 am 12:23 AM

phpIdentifiesauser'ssessionSessionSessionCookiesAndSessionId.1）whiwsession_start（）被稱為，phpgeneratesainiquesesesessionIdStoredInacookInAcookInAcienamedInAcienamedphpsessIdontheuser'sbrowser'sbrowser.2）thisIdallowSphptpptpptpptpptpptpptpptoretoreteretrieetrieetrieetrieetrieetrieetreetrieetrieetrieetrieetremthafromtheserver。

確保PHP會議的一些最佳實踐是什麼？May 01, 2025 am 12:22 AM

PHP會話的安全可以通過以下措施實現：1.使用session_regenerate_id()在用戶登錄或重要操作時重新生成會話ID。 2.通過HTTPS協議加密傳輸會話ID。 3.使用session_save_path()指定安全目錄存儲會話數據，並正確設置權限。

PHP會話文件默認存儲在哪裡？May 01, 2025 am 12:15 AM

phpsessionFilesArestoredIntheDirectorySpecifiedBysession.save_path，通常是/tmponunix-likesystemsorc：\ windows \ windows \ temponwindows.tocustomizethis：tocustomizEthis：1）useession_save_save_save_path_path（）

您如何從PHP會話中檢索數據？May 01, 2025 am 12:11 AM

ToretrievedatafromaPHPsession,startthesessionwithsession_start()andaccessvariablesinthe$_SESSIONarray.Forexample:1)Startthesession:session_start().2)Retrievedata:$username=$_SESSION['username'];echo"Welcome,".$username;.Sessionsareserver-si