将php变量从this.php传递到that.php
所以我需要将一个变量从一个php传递到另一个php页面,但我不知道怎么做。我得到了这段代码$realname=$row['name'];它存储用户的真实姓名,以便在他们成功登录后在另一个页面中显示,但当我尝试在另一个页面中使用$realname变量时,它不会显示它。我怎样才能做到这一点???提前谢谢 第一页login.php将php变量从this.php传递到that.php,php,html,web-services,variables,Php,Html,Web Services,Variables,所以我需要将一个变量从一个php传递到另一个php页面,但我不知道怎么做。我得到了这段代码$realname=$row['name'];它存储用户的真实姓名,以便在他们成功登录后在另一个页面中显示,但当我尝试在另一个页面中使用$realname变量时,它不会显示它。我怎样才能做到这一点???提前谢谢 第一页login.php <!DOCTYPE html> <html> <head> <link rel="stylesheet" type="text/c
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<?php
include 'functions.php';
if(loggedin())
{
header("Location: userarea.php");
exit();
}
if(isset($_POST['login']))
{
//get data
$username = $_POST['username'];
$password = $_POST['password'];
$rememberme = $_POST['rememberme'];
//validate
if($username&&$password)
{
$login = mysql_query("SELECT * FROM users WHERE username='$username'");
if(mysql_num_rows($login) == 1)
{
while($row = mysql_fetch_assoc($login))
{
$db_password = $row['password'];
if($password == $db_password)
$loginok= TRUE;
else
$loginok = FALSE;
if($loginok==TRUE)
{
$realname= $row['name'];
if($rememberme == "on")
setcookie("username", $username, time() + 7200);
else if ($rememberme == "")
$_SESSION['username'] = $username;
header("Location: userarea.php");
exit();
}
else
die("Incorrect username or password. Please try again or contact your local admin.");
}
}die("Incorrect username or password. Please try again or contact your local admin.gdfgdfgdfg");
}
else
die("Please enter a username and password.");
}
?>
<h>Welcome!</h>
<form action="login.php" method="POST">
Username:<br />
<input type="text" name="username"><p />
Password:<br />
<input type="password" name="password"><p / >
<input type="checkbox" name="rememberme"> Remember me<br />
<input type="submit" name="login" value="Log in">
</form>
</body>
</html>
<?php session_start(); ?>
<!DOCTYPE html>
<html>
...
$_SESSION['realname'] = $row['name'];
第2页userarea.php您可以看到,我声明了$realname变量,但我不能使用它
<html>
<body>
<?php
include 'functions.php';
if(!loggedin())
{
header("Location: login.php");
exit();
}
echo "Hello $realname";
?>
<h>Access Granted! Yeiy! </h>
<a href="logout.php"> Log out </a>
</body>
</html>
这正是我们的目的:
会话是一种根据唯一的会话ID为单个用户存储数据的简单方法。这可用于在页面请求之间保存状态信息。会话ID通常通过会话cookie发送到浏览器,该ID用于检索现有会话数据
第一页login.php
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<?php
include 'functions.php';
if(loggedin())
{
header("Location: userarea.php");
exit();
}
if(isset($_POST['login']))
{
//get data
$username = $_POST['username'];
$password = $_POST['password'];
$rememberme = $_POST['rememberme'];
//validate
if($username&&$password)
{
$login = mysql_query("SELECT * FROM users WHERE username='$username'");
if(mysql_num_rows($login) == 1)
{
while($row = mysql_fetch_assoc($login))
{
$db_password = $row['password'];
if($password == $db_password)
$loginok= TRUE;
else
$loginok = FALSE;
if($loginok==TRUE)
{
$realname= $row['name'];
if($rememberme == "on")
setcookie("username", $username, time() + 7200);
else if ($rememberme == "")
$_SESSION['username'] = $username;
header("Location: userarea.php");
exit();
}
else
die("Incorrect username or password. Please try again or contact your local admin.");
}
}die("Incorrect username or password. Please try again or contact your local admin.gdfgdfgdfg");
}
else
die("Please enter a username and password.");
}
?>
<h>Welcome!</h>
<form action="login.php" method="POST">
Username:<br />
<input type="text" name="username"><p />
Password:<br />
<input type="password" name="password"><p / >
<input type="checkbox" name="rememberme"> Remember me<br />
<input type="submit" name="login" value="Log in">
</form>
</body>
</html>
<?php session_start(); ?>
<!DOCTYPE html>
<html>
...
$_SESSION['realname'] = $row['name'];
第2页userarea.php
<?php session_start(); ?>
<!DOCTYPE html>
<html>
...
echo "Hello $_SESSION['realname']";
首次通过$_会话['var_name'];在登录页面上,然后
启动会话\在userarea页面顶部启动并回显会话变量
echo $_SESSION['var_name'];
您需要更多地阅读php文档,这里有会话来完成这项工作