Google提供了一个 PHP 客户端库,用于与它提供的各种服务进行交互。联系人就是其中之一。
联系人服务的示例代码使用了 json 编码和解码结果的技巧:
require_once '../../src/apiClient.php';
session_start();
$client = new apiClient();
$client->setApplicationName('Google Contacts PHP Sample');
$client->setScopes("http://www.google.com/m8/feeds/");
// Documentation: http://code.google.com/apis/gdata/docs/2.0/basics.html
// Visit https://code.google.com/apis/console?api=contacts to generate your
// oauth2_client_id, oauth2_client_secret, and register your oauth2_redirect_uri.
// $client->setClientId('insert_your_oauth2_client_id');
// $client->setClientSecret('insert_your_oauth2_client_secret');
// $client->setRedirectUri('insert_your_redirect_uri');
// $client->setDeveloperKey('insert_your_developer_key');
if (isset($_GET['code'])) {
$client->authenticate();
$_SESSION['token'] = $client->getAccessToken();
$redirect = 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'];
header('Location: ' . filter_var($redirect, FILTER_SANITIZE_URL));
}
if (isset($_SESSION['token'])) {
$client->setAccessToken($_SESSION['token']);
}
if (isset($_REQUEST['logout'])) {
unset($_SESSION['token']);
$client->revokeToken();
}
if ($client->getAccessToken()) {
$req = new apiHttpRequest("https://www.google.com/m8/feeds/contacts/default/full");
$val = $client->getIo()->authenticatedRequest($req);
// The contacts api only returns XML responses.
$response = json_encode(simplexml_load_string($val->getResponseBody()));
print "<pre>" . print_r(json_decode($response, true), true) . "</pre>";
// The access token may have been updated lazily.
$_SESSION['token'] = $client->getAccessToken();
} else {
$auth = $client->createAuthUrl();
}
if (isset($auth)) {
print "<a class=login href='$auth'>Connect Me!</a>";
} else {
print "<a class=logout href='?logout'>Logout</a>";
}