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Last active Jan 2, 2016
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require_once 'google/appengine/api/users/UserService.php';
use google\appengine\api\users\User;
use google\appengine\api\users\UserService;
$user = UserService::getCurrentUser(); // 如果使用者已經登入,此處的$user不為null
if ($user===null) {
header('Location: ' . // 如果未登入,將使用者導向登入頁面,
UserService::createLoginURL($_SERVER['REQUEST_URI'])); // 當登入成功後再導回來現在這個頁面($_SERVER['REQUEST_URI'])
// 如果已經登入,顯示使用者的暱稱以及以下內容
<link type="text/css" rel="stylesheet" href="/stylesheets/main.css" />
echo 'Hello, [' . htmlspecialchars($user->getNickname()) ."] ";
echo 'Not you? <a href=' . UserService::createLogoutURL($_SERVER['REQUEST_URI']).">Sing Out</a>"."<BR>";
// 一個簡單的form, 儲存POST過來的資料
if (array_key_exists('content', $_POST)) {
echo "You wrote:<pre>\n";
echo htmlspecialchars($_POST['content']); // htmlspecialchars讓所有特殊符號以html編碼方式呈現
echo "\n</pre>";
<form action="/sign" method="post">
<div><textarea name="content" rows="3" cols="60"></textarea></div>
<div><input type="submit" value="Sign Guestbook"></div>
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