我编写了一个基于 Zend Framework(版本 1.11.11)的 Web 应用程序,我想使用相同的后端代码来编码该应用程序的移动版本(Android)。为了实现这个目标,我想要获取 XML 和 JSON 格式的控制器中每个操作的响应- 适用于基于移动设备的应用程序。
但我面临的问题是:
我的控制器中的每个操作都会返回一个视图变量,然后该变量将由视图脚本进行解释。但我希望每个操作在移动应用程序中返回一个 JSON 数组,在基于浏览器的 Web 应用程序中返回常规/常用的内容(查看变量)。
你们中的任何人都可以给我一个例子来说明如何实现这一目标吗?loginAction()
in UsersController
.
URL 看起来像:
http://{servername}/service/login
为此,我需要一些关于如何以最有效和正确的方式做到这一点的见解和建议。我在谷歌上搜索答案,但没有找到任何关于如何实现这一目标的好的代码示例或实现示例。我感谢任何帮助和指导。
我这样做的方法是:拥有一个使用参数调用的 API,该参数将解析调用,然后将其卸载到控制器。但编码失败。
到目前为止我拥有的代码:
A UserController
with loginAction()
(对于登录的用户):
根据我的说法,我应该使用与 UsersController 中的 loginAction 相同的逻辑或更确切地说相同的函数(对于基于网络和基于移动的应用程序),如下所示:
public function loginAction()
{
// Already logged in
if( Engine_Api::_()->user()->getViewer()->getIdentity() ) {
$this->view->status = false;
$this->view->error = Zend_Registry::get('Zend_Translate')->_('You are already signed in.');
if( null === $this->_helper->contextSwitch->getCurrentContext() ) {
$this->_helper->redirector->gotoRoute(array(), 'default', true);
}
return;
}
// Make form
$this->view->form = $form = new User_Form_Login();
$form->setAction($this->view->url(array('return_url' => null)));
$form->populate(array(
'return_url' => $this->_getParam('return_url'),
));
// Render
$this->_helper->content
//->setNoRender()
->setEnabled()
;
// Not a post
if( !$this->getRequest()->isPost() ) {
$this->view->status = false;
$this->view->error = Zend_Registry::get('Zend_Translate')->_('No action taken');
return;
}
// Form not valid
if( !$form->isValid($this->getRequest()->getPost()) ) {
$this->view->status = false;
$this->view->error = Zend_Registry::get('Zend_Translate')->_('Invalid data');
return;
}
// Check login creds
extract($form->getValues()); // $email, $password, $remember
$user_table = Engine_Api::_()->getDbtable('users', 'user');
$user_select = $user_table->select()
->where('email = ?', $email); // If post exists
$user = $user_table->fetchRow($user_select);
// Get ip address
$db = Engine_Db_Table::getDefaultAdapter();
$ipObj = new Engine_IP();
$ipExpr = new Zend_Db_Expr($db->quoteInto('UNHEX(?)', bin2hex($ipObj->toBinary())));
// Check if user exists
if( empty($user) ) {
$this->view->status = false;
$this->view->error = Zend_Registry::get('Zend_Translate')->_('No record of a member with that email was found.');
$form->addError(Zend_Registry::get('Zend_Translate')->_('No record of a member with that email was found.'));
// Code
return;
}
// Check if user is verified and enabled
if( !$user->enabled ) {
if( !$user->verified ) {
// Code here.
// End Version 3 authentication
} else {
$form->addError('There appears to be a problem logging in. Please reset your password with the Forgot Password link.');
// Code
return;
}
} else { // Normal authentication
$authResult = Engine_Api::_()->user()->authenticate($email, $password);
$authCode = $authResult->getCode();
Engine_Api::_()->user()->setViewer();
if( $authCode != Zend_Auth_Result::SUCCESS ) {
$this->view->status = false;
$this->view->error = Zend_Registry::get('Zend_Translate')->_('Invalid credentials');
$form->addError(Zend_Registry::get('Zend_Translate')->_('Invalid credentials supplied'));
//Code
return;
}
}
// -- Success! --
// Register login
$loginTable = Engine_Api::_()->getDbtable('logins', 'user');
$loginTable->insert(array(
'user_id' => $user->getIdentity(),
'email' => $email,
'ip' => $ipExpr,
'timestamp' => new Zend_Db_Expr('NOW()'),
'state' => 'success',
'active' => true,
));
$_SESSION['login_id'] = $login_id = $loginTable->getAdapter()->lastInsertId();
$_SESSION['user_id'] = $user->getIdentity();
// Some code.
// Do redirection only if normal context
if( null === $this->_helper->contextSwitch->getCurrentContext() ) {
// Redirect by form
$uri = $form->getValue('return_url');
if( $uri ) {
if( substr($uri, 0, 3) == '64-' ) {
$uri = base64_decode(substr($uri, 3));
}
if($viewer->is_vendor) {
return $this->_helper->redirector->gotoRoute(array('module' => 'user' ,'controller' => 'vendors', 'action' => 'mydeals'), 'vendor_mydeals', true);
} else {
return $this->_helper->redirector->gotoRoute(array('action' => 'index'), 'user_searchquery', true);
}
//return $this->_redirect($uri, array('prependBase' => false));
}
return $this->_helper->redirector->gotoRoute(array('action' => 'index'), 'user_searchquery', true);
}
}
所以我想用上面的loginAction()
即使对于基于移动的应用程序也是如此。
接下来,我有一个名为 Service_Api 的类,具有多种功能。下面是我现在根据 id 获取用户的函数。
private function getUser(array $params)
{
$userData = array();
$usersTable = Engine_Api::_()->getDbtable('users', 'user');
$select = $usersTable->select()->where('user_id = ?', $params['user']);
$user = $usersTable->findOne($params['user']);
if($user) {
$userData = $user->exportToArray();
}
return Zend_Json_Encoder::encode($userData);
}
同样,我想要一个用于登录的loginAction。loginAction()
看看我如何仅获取移动应用程序的 JSON 值(例如来自数据库的用户值以及登录成功/失败的成功/失败)。
我想要一个 RESTful URL。
所以我的网址看起来像:
http://{servername}/service/login
http://{servername}/service/groups/list etc.
我有一个名为 ServiceController 的控制器,其登录操作如下:
public function loginAction()
{
$this->_helper->viewRenderer->setNoRender();
$this->_helper->layout->disableLayout(true);
/*
* Fetch Parameters and Parameter Keys
* We don't need the controller or action!
*/
$params = $this->_getAllParams();
unset($params['controller']);
unset($params['action']);
unset($params['module']);
unset($params['rewrite']);
$paramKeys = array_keys($params);
/*
* Whitelist filter the Parameters
*/
Zend_Loader::loadClass('Zend_Filter_Input');
$filterParams = new Zend_Filter_Input($params);
/*
* Build a request array, with method name to call
* on handler class for REST server indexed with
* 'method' key.
*
* Method name is constructed based on valid parameters.
*/
$paramKeysUc = array();
foreach($paramKeys as $key)
{
$paramKeysUc[] = ucfirst($key);
}
$methodName = 'getBy' . implode('', $paramKeysUc);
$request = array(
'method'=>$methodName
);
/*
* Filter parameters as needed and add them all to the
* $request array if valid.
*/
foreach($paramKeys as $key)
{
switch($key)
{
case'tag':
$request[$key] = $filterParams->testAlnum($key);
break;
default:
$request[$key] = $params[$key];
}
if(!$request[$key])
{
// need better handling of filter errors for a real webservice…
throw new Exception($request[$key] . ' contained invalid data');
}
}
/*
* Setup Zend_Rest_Server
*/
require_once 'Zend/Rest/Server.php';
$server = new Zend_Rest_Server;
$server->setClass('Service_API');
echo $server->handle($request);
}
但这是使用单独的控制器操作。
任何帮助表示赞赏。
谢谢。
阿比拉什