php - PHP / ORACLE 获取当前登录用户的用户名
问题描述
我正在尝试获取当前登录用户的用户名，以便我可以做一些事情，例如在欢迎屏幕上显示用户名。我正在使用 php 将用户连接到 oracle11g 数据库。我收到错误 *注意：未定义变量：第 88 行 C:\xampp\htdocs\CamtelWork\eBusiness\index.php 中的 dbuser
注意：未定义的索引：在第 88 行的 C:\xampp\htdocs\CamtelWork\eBusiness\index.php* 我已经定义了我的变量，但我不知道应该如何解决这个问题/问题。
这是我的代码
登录.php
header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
// always modified
header ("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
header ("Pragma: no-cache"); // HTTP/1.0
session_start();
$uri = $_SERVER['PHP_SELF'] . "?" . SID;
if( isset($_POST['dbuser']) ) {
$dbuser = $_POST['dbuser'];
}
if( isset($_POST['pass']) ) {
$pass = $_POST['pass'];
}
?>
<title>Oracle in php database user login page</title>
<?php
// have username and password been passed from a form?
if ( isset($dbuser) && isset($pass) ) {
// try to connect to Oracle with user and password supplied
$conn = oci_connect($dbuser, $pass, 'localhost/orcl');
if (!$conn) {
$e = oci_error();
echo htmlentities($e['message'], ENT_QUOTES);
unset($dbuser); unset($pass);
}
}
// username and password will be unset if they weren't passed,
// or if they were wrong
if( !isset($dbuser) || !isset($pass) ) {
// just print form asking for account details
echo "
<body>
<div class=login-wrap>
<div class=login-html>
<input id=tab-1 type=radio name=tab class=sign-in checked><label for=tab-1 class=tab>Connection</label>
<input id=tab-2 type=radio name=tabclass=sign-up><label for=tab-2 class=tab></label>
<div class=login-form>
";
echo "<form action=\"$uri\" method=post style='max-width:500px;margin:auto; background-color:#c8c8c8;'>\n";
echo "<div style='display: -ms-flexbox; /* IE10 */
display: flex;
width: 100%;
margin-bottom: 15px;'>";
echo "</div>";
echo "</div>";
echo "<input type=text name=dbuser class=input placeholder=Utilisateur style='width: 70%;
padding: 10px;
outline: none;
border: 2px solid dodgerblue; position:absolute; top:200px; margin-left:-05px;'>\n";
echo "<div style='display: -ms-flexbox; /* IE10 */
display: flex;
width: 100%;
margin-bottom: 15px;'>";
/* style for username and pass IE10 */
echo "<h4 style=' position:absolute; top:150px; margin-left:px;'>Utilisateur</h4>
";
echo "<h4 style='position:absolute; top:250px; margin-left:px;'>Password:";
echo "</div>";
echo "<div>";
echo " <h4 style=''><input type=password name=pass placeholder=Mot_de_Pass style='width: 70%;
padding: 10px;
outline: none;
border: 2px solid dodgerblue; position:absolute; top:300px; margin-left:-05px;'>\n";
echo "</div>";
echo "<br><input type=submit name=login value=Login style=' background-color: dodgerblue;
color: white;
padding: 15px 20px;
border: none;
cursor: pointer;
width: 80%;
opacity: 0.9; position:absolute; top:400px;'>\n";
echo "</form>\n";
exit;
}
欢迎页面
<?php
header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
// always modified
header ("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
header ("Pragma: no-cache");
session_start();
$uri = $_SERVER['PHP_SELF'] . "?" . SID;
if( isset($_POST['dbuser']) ) {
$dbuser = $_POST['dbuser'];
}
if( isset($_POST['pass']) ) {
$pass = $_POST['pass'];
}
?>
<title>Oracle in PHP test page</title>
<?php
// have username and password been passed from a form?
if ( isset($dbuser) && isset($pass) ) {
// try to connect to Oracle with user and password supplied
$conn = oci_connect($dbuser, $pass, 'localhost/orcl');
if (!$conn) {
$e = oci_error();
echo htmlentities($e['dbuser'], ENT_QUOTES);
unset($dbuser); unset($pass);
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta content="width=device-width, initial-scale=1.0" name="viewport">
<title>Welcome Page - Index</title>
<meta content="" name="descriptison">
<meta content="" name="keywords">
<!-- Favicons -->
<link href="assets/img/favicon.png" rel="icon">
<link href="assets/img/apple-touch-icon.png" rel="apple-touch-icon">
<!-- Google Fonts -->
<link href="https://fonts.googleapis.com/css?family=Open+Sans:300,400,400i,600,700|Raleway:300,400,400i,500,500i,700,800,900" rel="stylesheet">
<!-- Vendor CSS Files -->
<link href="assets/vendor/bootstrap/css/bootstrap.min.css" rel="stylesheet">
<link href="assets/vendor/icofont/icofont.min.css" rel="stylesheet">
<link href="assets/vendor/animate.css/animate.min.css" rel="stylesheet">
<link href="assets/vendor/font-awesome/css/font-awesome.min.css" rel="stylesheet">
<link href="assets/vendor/nivo-slider/css/nivo-slider.css" rel="stylesheet">
<link href="assets/vendor/owl.carousel/assets/owl.carousel.min.css" rel="stylesheet">
<link href="assets/vendor/venobox/venobox.css" rel="stylesheet">
<!-- Template Main CSS File -->
<link href="assets/css/style.css" rel="stylesheet">
<!-- =======================================================
* Template Name: eBusiness - v2.0.0
* Template URL: https://bootstrapmade.com/ebusiness-bootstrap-corporate-template/
* Author: BootstrapMade.com
* License: https://bootstrapmade.com/license/
======================================================== -->
</head>
<body data-spy="scroll" data-target="#navbar-example">
<!-- ======= Header ======= -->
<header id="header" class="fixed-top">
<div class="container d-flex">
<div class="logo mr-auto">
<h1 class="text-light"><a href="index.html"><span>Welcome </span> <?php echo htmlentities($_GET["$dbuser"])."<br/>";?></a></h1>
<!-- Uncomment below if you prefer to use an image logo -->
<!-- <a href="index.html"><img src="assets/img/logo.png" alt="" class="img-fluid"></a>-->
</div>
请问我该如何解决这个问题或者我应该如何编写我的代码？提前致谢！