如何在欢迎页面中显示登录用户？ [英] how to display the logged in User in my welcome page?
本文介绍了如何在欢迎页面中显示登录用户？的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
这是我的index.php文件
this is my index.php file
<?php
//Start session
session_start();
//Unset the variables stored in session
unset($_SESSION['SESS_MEMBER_ID']);
unset($_SESSION['SESS_FIRST_NAME']);
unset($_SESSION['SESS_LAST_NAME']);
?>
<html>
<body>
<form name="loginform" action="login_exec.php" method="post">
<table width="309" border="0" align="center" cellpadding="2" cellspacing="5">
<tr>
<td colspan="2">
<!--the code bellow is used to display the message of the input validation-->
<?php
if( isset($_SESSION['ERRMSG_ARR']) && is_array($_SESSION['ERRMSG_ARR']) && count($_SESSION['ERRMSG_ARR']) >0 ) {
echo '<ul class="err">';
foreach($_SESSION['ERRMSG_ARR'] as $msg) {
echo '<li>',$msg,'</li>';
}
echo '</ul>';
unset($_SESSION['ERRMSG_ARR']);
}
?>
</td>
</tr>
<tr>
<td width="116"><div align="right">Username</div></td>
<td width="177"><input name="username" type="text" /></td>
</tr>
<tr>
<td><div align="right">Password</div></td>
<td><input name="password" type="text" /></td>
</tr>
<tr>
<td><div align="right"></div></td>
<td><input name="" type="submit" value="login" /></td>
</tr>
</table>
</form>
</body>
</html>
这是我的connection.php文件
this is my connection.php file
<?php
$mysql_hostname = "localhost";
$mysql_user = "root";
$mysql_password = "passward";
$mysql_database = "simple_login";
$prefix = "";
$bd = mysql_connect($mysql_hostname, $mysql_user, $mysql_password) or die("Could not connect database");
mysql_select_db($mysql_database, $bd) or die("Could not select database");
?>
这是我的身份证明.php文件要authonticate
this is my auth.php file to authonticate
<?php
//Start session
session_start();
//Check whether the session variable SESS_MEMBER_ID is present or not
if(!isset($_SESSION['SESS_MEMBER_ID']) || (trim($_SESSION['SESS_MEMBER_ID']) == '')) {
header("location: index.php");
exit();
}
echo 'Welcome, '.$_SESSION['username'];
?>
这是我的login_exec.php文件
this is my login_exec.php file
<?php
//Start session
session_start();
//Include database connection details
require_once('connection.php');
//Array to store validation errors
$errmsg_arr = array();
//Validation error flag
$errflag = false;
//Function to sanitize values received from the form. Prevents SQL injection
function clean($str) {
$str = @trim($str);
if(get_magic_quotes_gpc()) {
$str = stripslashes($str);
}
return mysql_real_escape_string($str);
}
//Sanitize the POST values
$username = clean($_POST['username']);
$password = clean($_POST['password']);
//Input Validations
if($username == '') {
$errmsg_arr[] = 'Username missing';
$errflag = true;
}
if($password == '') {
$errmsg_arr[] = 'Password missing';
$errflag = true;
}
//If there are input validations, redirect back to the login form
if($errflag) {
$_SESSION['ERRMSG_ARR'] = $errmsg_arr;
session_write_close();
header("location: index.php");
exit();
}
//Create query
$qry="SELECT * FROM member WHERE username='$username' AND password='$password'";
$result=mysql_query($qry);
//Check whether the query was successful or not
if($result) {
if(mysql_num_rows($result) > 0) {
//Login Successful
session_regenerate_id();
$member = mysql_fetch_assoc($result);
$_SESSION['SESS_MEMBER_ID'] = $member['mem_id'];
$_SESSION['SESS_FIRST_NAME'] = $member['username'];
$_SESSION['SESS_LAST_NAME'] = $member['password'];
session_write_close();
header("location: home.php");
exit();
}else {
//Login failed
$errmsg_arr[] = 'user name and password not found';
$errflag = true;
if($errflag) {
$_SESSION['ERRMSG_ARR'] = $errmsg_arr;
session_write_close();
header("location: index.php");
exit();
}
}
}else {
die("Query failed");
}
?>
这是我的家.php文件我想添加显示登录用户在这里我怎么做我请帮助我
this is my home.php file i want to add display logged in user here how i do i please help me
<?php
require_once('auth.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=iso-8859-1" />
<title>Untitled Document</title>
<style type="text/css">
<!--
.style1 {
font-size: 36px;
font-weight: bold;
}
-->
</style>
</head>
<body>
<p align="center" class="style1">Login successfully </p>
<p align="center">Hi welcome to home page</p>
<p align="center"><a href="index.php">logout</a></p>
</body>
</html>
推荐答案
_SESSION ['SESS_MEMBER_ID']）;
未设置（
_SESSION['SESS_MEMBER_ID']); unset(
_SESSION ['SESS_FIRST_NAME']）;
未设置（
_SESSION['SESS_FIRST_NAME']); unset(
_SESSION ['SESS_LAST_NAME']）;
？>
< html>
< body>
< form name =loginformaction =login_exec.phpmethod =post>
< table width =309border =0align =centercellpadding =2cellspacing =5>
< tr>
< td colspan =2>
<！ - 下面的代码用于显示输入验证的消息 - >
<？php
if（isset（
_SESSION['SESS_LAST_NAME']); ?> <html> <body> <form name="loginform" action="login_exec.php" method="post"> <table width="309" border="0" align="center" cellpadding="2" cellspacing="5"> <tr> <td colspan="2"> <!--the code bellow is used to display the message of the input validation--> <?php if( isset(
这篇关于如何在欢迎页面中显示登录用户？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
查看全文
