php php重定向到带有消息的页面
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php redirect to page with message
提问by user1386906
i want to redirect to a page and then display a message:
我想重定向到一个页面，然后显示一条消息：
what i have is:
我所拥有的是：
if (mysqli_affected_rows($link) == 1)
{
//succes
$message = 'succes';
redirect_to('index.php');
}
on the index page i have:
在索引页上我有：
if (!empty($message)) {
echo '<p class="message"> '.$message.'</p>';
}
The redirect function is working fine:
重定向功能工作正常：
function redirect_to( $location = NULL ) {
if ($location != NULL) {
header("Location: {$location}");
exit;
}
}
But it won't display my message. Its empty.
但它不会显示我的消息。它是空的。
回答by Andreas Wong
By the time the redirect happens and the PHP script depicted by $locationis executed, $messagevariable would have been long gone.
到重定向发生并$location执行所描述的 PHP 脚本时，$message变量早就消失了。
To tackle this, you need to pass your message in your location header, using GETvariable:
要解决此问题，您需要使用GET变量在位置标头中传递消息：
header("Location: $location?message=success");
header("Location: $location?message=success");
And
和
if(!empty($_GET['message'])) {
$message = $_GET['message'];
// rest of your code
You could also have a look into sessions
您还可以查看会话
session_start();
$_SESSION['message'] = 'success';
header("Location: $location");
then in the destination script:
然后在目标脚本中：
session_start();
if(!empty($_SESSION['message'])) {
$message = $_SESSION['message'];
// rest of your code
回答by deceze
回答by Mihai Iorga
you can use sessions
你可以使用会话
if (mysqli_affected_rows($link) == 1)
{
//succes
$_SESSION['message'] = 'succes';
redirect_to('index.php');
}
and on index
并在索引上
if (!empty($_SESSION['message'])) {
echo '<p class="message"> '.$_SESSION['message'].'</p>';
unset($_SESSION['message']);
}
回答by Jocelyn
Since you are running header("Location: {$location}");the value of $location(set in the first file) is lost when index.php is loaded.
由于您正在运行（在第一个文件中设置）header("Location: {$location}");的值，因此$location在加载 index.php 时会丢失。
回答by Anoop
use the following code....
使用以下代码....
header("Location: index.php?message=success");
in index.php
在 index.php 中
$msg=$_GET['message'];
echo $msg;
回答by Snake Plissken
you can avoid redirect function and use this code in the page
您可以避免重定向功能并在页面中使用此代码
header("Location: $locationpage?message=success")
index.php
索引.php
if(!empty($_GET['message'])) {
$message = $_GET['message'];
echo '<p class="message"> '.$message.'</p>';
}
